solved Task 3.1

This commit is contained in:
Schrom01
2022-09-30 08:35:44 +02:00
parent bbad8751ee
commit 63e84bd4ec
66 changed files with 17409 additions and 4 deletions
@@ -0,0 +1,100 @@
;* ------------------------------------------------------------------
;* -- _____ ______ _____ -
;* -- |_ _| | ____|/ ____| -
;* -- | | _ __ | |__ | (___ Institute of Embedded Systems -
;* -- | | | '_ \| __| \___ \ Zurich University of -
;* -- _| |_| | | | |____ ____) | Applied Sciences -
;* -- |_____|_| |_|______|_____/ 8401 Winterthur, Switzerland -
;* ------------------------------------------------------------------
;* --
;* -- Project : CT Board - Cortex M4
;* -- Description : Data Segment initialisation.
;* --
;* -- $Id$
;* ------------------------------------------------------------------
; -------------------------------------------------------------------
; -- __Main
; -------------------------------------------------------------------
AREA |.text|, CODE, READONLY
IMPORT main
EXPORT __main
__main PROC
; initialize RW and ZI data - this includes heap and stack for the -ro=... -rw=... -entry=... linking cmd args...
IMPORT |Image$$RO$$Limit| [WEAK]
IMPORT |Image$$RW$$Base| [WEAK]
IMPORT |Image$$ZI$$Base| [WEAK]
IMPORT |Image$$ZI$$Limit| [WEAK]
; ...or from auto generated scatter file. Needs linker option: --diag_suppress 6314
IMPORT |Image$$ER_IROM1$$Limit| [WEAK]
IMPORT |Image$$RW_IRAM1$$Base| [WEAK]
IMPORT |Image$$RW_IRAM1$$ZI$$Base| [WEAK]
IMPORT |Image$$RW_IRAM1$$ZI$$Limit| [WEAK]
; import stack parameter
IMPORT Stack_Size [WEAK]
IMPORT Stack_Mem [WEAK]
; switch between command line generated regions and auto scatter file generated regions
LDR R1, =|Image$$RO$$Limit|
CMP R1,#0
BEQ ScatterFileSymbols
CommandLineSymbols
LDR R2, =|Image$$RW$$Base| ; start of the RW data in RAM
LDR R3, =|Image$$ZI$$Base| ; end of the RW data in RAM
MOV R5, R3 ; start of zero initialized data
LDR R6, =|Image$$ZI$$Limit| ; end of zero initialized data
B CondRWLoop
ScatterFileSymbols
LDR R1, =|Image$$ER_IROM1$$Limit| ; start of flashed initial RW data
LDR R2, =|Image$$RW_IRAM1$$Base| ; start of the RW data in RAM
LDR R3, =|Image$$RW_IRAM1$$ZI$$Base| ; end of the RW data in RAM
MOV R5, R3 ; start of zero initialized data
LDR R6, =|Image$$RW_IRAM1$$ZI$$Limit| ; end of zero initialized data
B CondRWLoop
; init non-zero data
LoopRWCopy LDR R4, [R1]
STR R4, [R2]
ADDS R1, R1, #4
ADDS R2, R2, #4
CondRWLoop CMP R2, R3
BNE LoopRWCopy
; init zero-initialized data
MOV R2, R5
MOV R3, R6
MOVS R4, #0
B CondZILoop
LoopZICopy STR R4, [R2]
ADDS R2, R2, #4
CondZILoop CMP R2, R3
BNE LoopZICopy
; fingerprint stack section
LDR R0, =Stack_Mem
LDR R1, =Stack_Size
LDR R2, =0xEFBEADDE ; stack fingerprint (little endian!)
LoopStack STR R2, [R0]
ADDS R0, R0, #4
SUBS R1, #4
BNE LoopStack
; go to the user main function
LDR R0, =main
BX R0
ENDP
; -------------------------------------------------------------------
; -- End of file
; -------------------------------------------------------------------
ALIGN
END
@@ -0,0 +1,439 @@
;******************** (C) COPYRIGHT 2013 STMicroelectronics ********************
;* File Name : startup_stm32f429_439xx.s
;* Author : MCD Application Team
;* Version : V1.3.0
;* Date : 08-November-2013
;* Description : STM32F429xx/439xx devices vector table for MDK-ARM toolchain.
;* This module performs:
;* - Set the initial SP
;* - Set the initial PC == Reset_Handler
;* - Set the vector table entries with the exceptions ISR address
;* - Configure the system clock and the external SRAM/SDRAM mounted
;* on STM324x9I-EVAL boards to be used as data memory
;* (optional, to be enabled by user)
;* - Branches to __main in the C library (which eventually
;* calls main()).
;* After Reset the CortexM4 processor is in Thread mode,
;* priority is Privileged, and the Stack is set to Main.
;* <<< Use Configuration Wizard in Context Menu >>>
;*******************************************************************************
;
; Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
; You may not use this file except in compliance with the License.
; You may obtain a copy of the License at:
;
; http://www.st.com/software_license_agreement_liberty_v2
;
; Unless required by applicable law or agreed to in writing, software
; distributed under the License is distributed on an "AS IS" BASIS,
; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
; See the License for the specific language governing permissions and
; limitations under the License.
;
;*******************************************************************************
; Amount of memory (in bytes) allocated for Stack
; Tailor this value to your application needs
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x00002000
AREA STACK, NOINIT, READWRITE, ALIGN=3
EXPORT Stack_Size
EXPORT Stack_Mem
Stack_Mem SPACE Stack_Size
__initial_sp
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x00000800
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
; Vector Table Mapped to Address 0 at Reset
AREA RESET, DATA, READONLY
EXPORT __Vectors
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
DCD MemManage_Handler ; MPU Fault Handler
DCD BusFault_Handler ; Bus Fault Handler
DCD UsageFault_Handler ; Usage Fault Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD SVC_Handler ; SVCall Handler
DCD DebugMon_Handler ; Debug Monitor Handler
DCD 0 ; Reserved
DCD PendSV_Handler ; PendSV Handler
DCD SysTick_Handler ; SysTick Handler
; External Interrupts
DCD WWDG_IRQHandler ; Window WatchDog
DCD PVD_IRQHandler ; PVD through EXTI Line detection
DCD TAMP_STAMP_IRQHandler ; Tamper and TimeStamps through the EXTI line
DCD RTC_WKUP_IRQHandler ; RTC Wakeup through the EXTI line
DCD FLASH_IRQHandler ; FLASH
DCD RCC_IRQHandler ; RCC
DCD EXTI0_IRQHandler ; EXTI Line0
DCD EXTI1_IRQHandler ; EXTI Line1
DCD EXTI2_IRQHandler ; EXTI Line2
DCD EXTI3_IRQHandler ; EXTI Line3
DCD EXTI4_IRQHandler ; EXTI Line4
DCD DMA1_Stream0_IRQHandler ; DMA1 Stream 0
DCD DMA1_Stream1_IRQHandler ; DMA1 Stream 1
DCD DMA1_Stream2_IRQHandler ; DMA1 Stream 2
DCD DMA1_Stream3_IRQHandler ; DMA1 Stream 3
DCD DMA1_Stream4_IRQHandler ; DMA1 Stream 4
DCD DMA1_Stream5_IRQHandler ; DMA1 Stream 5
DCD DMA1_Stream6_IRQHandler ; DMA1 Stream 6
DCD ADC_IRQHandler ; ADC1, ADC2 and ADC3s
DCD CAN1_TX_IRQHandler ; CAN1 TX
DCD CAN1_RX0_IRQHandler ; CAN1 RX0
DCD CAN1_RX1_IRQHandler ; CAN1 RX1
DCD CAN1_SCE_IRQHandler ; CAN1 SCE
DCD EXTI9_5_IRQHandler ; External Line[9:5]s
DCD TIM1_BRK_TIM9_IRQHandler ; TIM1 Break and TIM9
DCD TIM1_UP_TIM10_IRQHandler ; TIM1 Update and TIM10
DCD TIM1_TRG_COM_TIM11_IRQHandler ; TIM1 Trigger and Commutation and TIM11
DCD TIM1_CC_IRQHandler ; TIM1 Capture Compare
DCD TIM2_IRQHandler ; TIM2
DCD TIM3_IRQHandler ; TIM3
DCD TIM4_IRQHandler ; TIM4
DCD I2C1_EV_IRQHandler ; I2C1 Event
DCD I2C1_ER_IRQHandler ; I2C1 Error
DCD I2C2_EV_IRQHandler ; I2C2 Event
DCD I2C2_ER_IRQHandler ; I2C2 Error
DCD SPI1_IRQHandler ; SPI1
DCD SPI2_IRQHandler ; SPI2
DCD USART1_IRQHandler ; USART1
DCD USART2_IRQHandler ; USART2
DCD USART3_IRQHandler ; USART3
DCD EXTI15_10_IRQHandler ; External Line[15:10]s
DCD RTC_Alarm_IRQHandler ; RTC Alarm (A and B) through EXTI Line
DCD OTG_FS_WKUP_IRQHandler ; USB OTG FS Wakeup through EXTI line
DCD TIM8_BRK_TIM12_IRQHandler ; TIM8 Break and TIM12
DCD TIM8_UP_TIM13_IRQHandler ; TIM8 Update and TIM13
DCD TIM8_TRG_COM_TIM14_IRQHandler ; TIM8 Trigger and Commutation and TIM14
DCD TIM8_CC_IRQHandler ; TIM8 Capture Compare
DCD DMA1_Stream7_IRQHandler ; DMA1 Stream7
DCD FMC_IRQHandler ; FMC
DCD SDIO_IRQHandler ; SDIO
DCD TIM5_IRQHandler ; TIM5
DCD SPI3_IRQHandler ; SPI3
DCD UART4_IRQHandler ; UART4
DCD UART5_IRQHandler ; UART5
DCD TIM6_DAC_IRQHandler ; TIM6 and DAC1&2 underrun errors
DCD TIM7_IRQHandler ; TIM7
DCD DMA2_Stream0_IRQHandler ; DMA2 Stream 0
DCD DMA2_Stream1_IRQHandler ; DMA2 Stream 1
DCD DMA2_Stream2_IRQHandler ; DMA2 Stream 2
DCD DMA2_Stream3_IRQHandler ; DMA2 Stream 3
DCD DMA2_Stream4_IRQHandler ; DMA2 Stream 4
DCD ETH_IRQHandler ; Ethernet
DCD ETH_WKUP_IRQHandler ; Ethernet Wakeup through EXTI line
DCD CAN2_TX_IRQHandler ; CAN2 TX
DCD CAN2_RX0_IRQHandler ; CAN2 RX0
DCD CAN2_RX1_IRQHandler ; CAN2 RX1
DCD CAN2_SCE_IRQHandler ; CAN2 SCE
DCD OTG_FS_IRQHandler ; USB OTG FS
DCD DMA2_Stream5_IRQHandler ; DMA2 Stream 5
DCD DMA2_Stream6_IRQHandler ; DMA2 Stream 6
DCD DMA2_Stream7_IRQHandler ; DMA2 Stream 7
DCD USART6_IRQHandler ; USART6
DCD I2C3_EV_IRQHandler ; I2C3 event
DCD I2C3_ER_IRQHandler ; I2C3 error
DCD OTG_HS_EP1_OUT_IRQHandler ; USB OTG HS End Point 1 Out
DCD OTG_HS_EP1_IN_IRQHandler ; USB OTG HS End Point 1 In
DCD OTG_HS_WKUP_IRQHandler ; USB OTG HS Wakeup through EXTI
DCD OTG_HS_IRQHandler ; USB OTG HS
DCD DCMI_IRQHandler ; DCMI
DCD CRYP_IRQHandler ; CRYP crypto
DCD HASH_RNG_IRQHandler ; Hash and Rng
DCD FPU_IRQHandler ; FPU
DCD UART7_IRQHandler ; UART7
DCD UART8_IRQHandler ; UART8
DCD SPI4_IRQHandler ; SPI4
DCD SPI5_IRQHandler ; SPI5
DCD SPI6_IRQHandler ; SPI6
DCD SAI1_IRQHandler ; SAI1
DCD LTDC_IRQHandler ; LTDC
DCD LTDC_ER_IRQHandler ; LTDC error
DCD DMA2D_IRQHandler ; DMA2D
__Vectors_End
__Vectors_Size EQU __Vectors_End - __Vectors
AREA |.text|, CODE, READONLY
; Reset handler
Reset_Handler PROC
EXPORT Reset_Handler [WEAK]
IMPORT __system
IMPORT __main
ENTRY
LDR R0, =__system
BLX R0
LDR R0, =__main
BX R0
ENDP
; Dummy Exception Handlers (infinite loops which can be modified)
NMI_Handler PROC
EXPORT NMI_Handler [WEAK]
B .
ENDP
HardFault_Handler\
PROC
EXPORT HardFault_Handler [WEAK]
B .
ENDP
MemManage_Handler\
PROC
EXPORT MemManage_Handler [WEAK]
B .
ENDP
BusFault_Handler\
PROC
EXPORT BusFault_Handler [WEAK]
B .
ENDP
UsageFault_Handler\
PROC
EXPORT UsageFault_Handler [WEAK]
B .
ENDP
SVC_Handler PROC
EXPORT SVC_Handler [WEAK]
B .
ENDP
DebugMon_Handler\
PROC
EXPORT DebugMon_Handler [WEAK]
B .
ENDP
PendSV_Handler PROC
EXPORT PendSV_Handler [WEAK]
B .
ENDP
SysTick_Handler PROC
EXPORT SysTick_Handler [WEAK]
B .
ENDP
Default_Handler PROC
EXPORT WWDG_IRQHandler [WEAK]
EXPORT PVD_IRQHandler [WEAK]
EXPORT TAMP_STAMP_IRQHandler [WEAK]
EXPORT RTC_WKUP_IRQHandler [WEAK]
EXPORT FLASH_IRQHandler [WEAK]
EXPORT RCC_IRQHandler [WEAK]
EXPORT EXTI0_IRQHandler [WEAK]
EXPORT EXTI1_IRQHandler [WEAK]
EXPORT EXTI2_IRQHandler [WEAK]
EXPORT EXTI3_IRQHandler [WEAK]
EXPORT EXTI4_IRQHandler [WEAK]
EXPORT DMA1_Stream0_IRQHandler [WEAK]
EXPORT DMA1_Stream1_IRQHandler [WEAK]
EXPORT DMA1_Stream2_IRQHandler [WEAK]
EXPORT DMA1_Stream3_IRQHandler [WEAK]
EXPORT DMA1_Stream4_IRQHandler [WEAK]
EXPORT DMA1_Stream5_IRQHandler [WEAK]
EXPORT DMA1_Stream6_IRQHandler [WEAK]
EXPORT ADC_IRQHandler [WEAK]
EXPORT CAN1_TX_IRQHandler [WEAK]
EXPORT CAN1_RX0_IRQHandler [WEAK]
EXPORT CAN1_RX1_IRQHandler [WEAK]
EXPORT CAN1_SCE_IRQHandler [WEAK]
EXPORT EXTI9_5_IRQHandler [WEAK]
EXPORT TIM1_BRK_TIM9_IRQHandler [WEAK]
EXPORT TIM1_UP_TIM10_IRQHandler [WEAK]
EXPORT TIM1_TRG_COM_TIM11_IRQHandler [WEAK]
EXPORT TIM1_CC_IRQHandler [WEAK]
EXPORT TIM2_IRQHandler [WEAK]
EXPORT TIM3_IRQHandler [WEAK]
EXPORT TIM4_IRQHandler [WEAK]
EXPORT I2C1_EV_IRQHandler [WEAK]
EXPORT I2C1_ER_IRQHandler [WEAK]
EXPORT I2C2_EV_IRQHandler [WEAK]
EXPORT I2C2_ER_IRQHandler [WEAK]
EXPORT SPI1_IRQHandler [WEAK]
EXPORT SPI2_IRQHandler [WEAK]
EXPORT USART1_IRQHandler [WEAK]
EXPORT USART2_IRQHandler [WEAK]
EXPORT USART3_IRQHandler [WEAK]
EXPORT EXTI15_10_IRQHandler [WEAK]
EXPORT RTC_Alarm_IRQHandler [WEAK]
EXPORT OTG_FS_WKUP_IRQHandler [WEAK]
EXPORT TIM8_BRK_TIM12_IRQHandler [WEAK]
EXPORT TIM8_UP_TIM13_IRQHandler [WEAK]
EXPORT TIM8_TRG_COM_TIM14_IRQHandler [WEAK]
EXPORT TIM8_CC_IRQHandler [WEAK]
EXPORT DMA1_Stream7_IRQHandler [WEAK]
EXPORT FMC_IRQHandler [WEAK]
EXPORT SDIO_IRQHandler [WEAK]
EXPORT TIM5_IRQHandler [WEAK]
EXPORT SPI3_IRQHandler [WEAK]
EXPORT UART4_IRQHandler [WEAK]
EXPORT UART5_IRQHandler [WEAK]
EXPORT TIM6_DAC_IRQHandler [WEAK]
EXPORT TIM7_IRQHandler [WEAK]
EXPORT DMA2_Stream0_IRQHandler [WEAK]
EXPORT DMA2_Stream1_IRQHandler [WEAK]
EXPORT DMA2_Stream2_IRQHandler [WEAK]
EXPORT DMA2_Stream3_IRQHandler [WEAK]
EXPORT DMA2_Stream4_IRQHandler [WEAK]
EXPORT ETH_IRQHandler [WEAK]
EXPORT ETH_WKUP_IRQHandler [WEAK]
EXPORT CAN2_TX_IRQHandler [WEAK]
EXPORT CAN2_RX0_IRQHandler [WEAK]
EXPORT CAN2_RX1_IRQHandler [WEAK]
EXPORT CAN2_SCE_IRQHandler [WEAK]
EXPORT OTG_FS_IRQHandler [WEAK]
EXPORT DMA2_Stream5_IRQHandler [WEAK]
EXPORT DMA2_Stream6_IRQHandler [WEAK]
EXPORT DMA2_Stream7_IRQHandler [WEAK]
EXPORT USART6_IRQHandler [WEAK]
EXPORT I2C3_EV_IRQHandler [WEAK]
EXPORT I2C3_ER_IRQHandler [WEAK]
EXPORT OTG_HS_EP1_OUT_IRQHandler [WEAK]
EXPORT OTG_HS_EP1_IN_IRQHandler [WEAK]
EXPORT OTG_HS_WKUP_IRQHandler [WEAK]
EXPORT OTG_HS_IRQHandler [WEAK]
EXPORT DCMI_IRQHandler [WEAK]
EXPORT CRYP_IRQHandler [WEAK]
EXPORT HASH_RNG_IRQHandler [WEAK]
EXPORT FPU_IRQHandler [WEAK]
EXPORT UART7_IRQHandler [WEAK]
EXPORT UART8_IRQHandler [WEAK]
EXPORT SPI4_IRQHandler [WEAK]
EXPORT SPI5_IRQHandler [WEAK]
EXPORT SPI6_IRQHandler [WEAK]
EXPORT SAI1_IRQHandler [WEAK]
EXPORT LTDC_IRQHandler [WEAK]
EXPORT LTDC_ER_IRQHandler [WEAK]
EXPORT DMA2D_IRQHandler [WEAK]
WWDG_IRQHandler
PVD_IRQHandler
TAMP_STAMP_IRQHandler
RTC_WKUP_IRQHandler
FLASH_IRQHandler
RCC_IRQHandler
EXTI0_IRQHandler
EXTI1_IRQHandler
EXTI2_IRQHandler
EXTI3_IRQHandler
EXTI4_IRQHandler
DMA1_Stream0_IRQHandler
DMA1_Stream1_IRQHandler
DMA1_Stream2_IRQHandler
DMA1_Stream3_IRQHandler
DMA1_Stream4_IRQHandler
DMA1_Stream5_IRQHandler
DMA1_Stream6_IRQHandler
ADC_IRQHandler
CAN1_TX_IRQHandler
CAN1_RX0_IRQHandler
CAN1_RX1_IRQHandler
CAN1_SCE_IRQHandler
EXTI9_5_IRQHandler
TIM1_BRK_TIM9_IRQHandler
TIM1_UP_TIM10_IRQHandler
TIM1_TRG_COM_TIM11_IRQHandler
TIM1_CC_IRQHandler
TIM2_IRQHandler
TIM3_IRQHandler
TIM4_IRQHandler
I2C1_EV_IRQHandler
I2C1_ER_IRQHandler
I2C2_EV_IRQHandler
I2C2_ER_IRQHandler
SPI1_IRQHandler
SPI2_IRQHandler
USART1_IRQHandler
USART2_IRQHandler
USART3_IRQHandler
EXTI15_10_IRQHandler
RTC_Alarm_IRQHandler
OTG_FS_WKUP_IRQHandler
TIM8_BRK_TIM12_IRQHandler
TIM8_UP_TIM13_IRQHandler
TIM8_TRG_COM_TIM14_IRQHandler
TIM8_CC_IRQHandler
DMA1_Stream7_IRQHandler
FMC_IRQHandler
SDIO_IRQHandler
TIM5_IRQHandler
SPI3_IRQHandler
UART4_IRQHandler
UART5_IRQHandler
TIM6_DAC_IRQHandler
TIM7_IRQHandler
DMA2_Stream0_IRQHandler
DMA2_Stream1_IRQHandler
DMA2_Stream2_IRQHandler
DMA2_Stream3_IRQHandler
DMA2_Stream4_IRQHandler
ETH_IRQHandler
ETH_WKUP_IRQHandler
CAN2_TX_IRQHandler
CAN2_RX0_IRQHandler
CAN2_RX1_IRQHandler
CAN2_SCE_IRQHandler
OTG_FS_IRQHandler
DMA2_Stream5_IRQHandler
DMA2_Stream6_IRQHandler
DMA2_Stream7_IRQHandler
USART6_IRQHandler
I2C3_EV_IRQHandler
I2C3_ER_IRQHandler
OTG_HS_EP1_OUT_IRQHandler
OTG_HS_EP1_IN_IRQHandler
OTG_HS_WKUP_IRQHandler
OTG_HS_IRQHandler
DCMI_IRQHandler
CRYP_IRQHandler
HASH_RNG_IRQHandler
FPU_IRQHandler
UART7_IRQHandler
UART8_IRQHandler
SPI4_IRQHandler
SPI5_IRQHandler
SPI6_IRQHandler
SAI1_IRQHandler
LTDC_IRQHandler
LTDC_ER_IRQHandler
DMA2D_IRQHandler
B .
ENDP
ALIGN
END
;************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE*****
@@ -0,0 +1,290 @@
/* ----------------------------------------------------------------------------
* -- _____ ______ _____ -
* -- |_ _| | ____|/ ____| -
* -- | | _ __ | |__ | (___ Institute of Embedded Systems -
* -- | | | '_ \| __| \___ \ Zurich University of -
* -- _| |_| | | | |____ ____) | Applied Sciences -
* -- |_____|_| |_|______|_____/ 8401 Winterthur, Switzerland -
* ------------------------------------------------------------------------- */
/**
* \brief Interface of module system_ctboard.
* Description : Basic system configuration.
* * initialize system clock
* * initialize FMC (SRAM & GPIO)
*
* GPIO FMC pin assignment:
*
* PD0 > FMC_D2 | PE0 > FMC_NBL0 | PF0 > FMC_A0 | PG0 > FMC_A10
* PD1 > FMC_D3 | PE1 > FMC_NBL1 | PF1 > FMC_A1 | PG1 > FMC_A11
* PD3 > FMC_CLK | PE2 > FMC_A23 | PF2 > FMC_A2 | PG2 > FMC_A12
* PD4 > FMC_NOE | PE3 > FMC_A19 | PF3 > FMC_A3 | PG3 > FMC_A13
* PD5 > FMC_NWE | PE4 > FMC_A20 | PF4 > FMC_A4 | PG4 > FMC_A14
* PD6 > FMC_WAIT | PE5 > FMC_A21 | PF5 > FMC_A5 | PG5 > FMC_A15
* PD7 > FMC_NE1 | PE6 > FMC_A22 | PF12 > FMC_A6 | PG9 > FMC_NE2
* PD8 > FMC_D13 | PE7 > FMC_D4 | PF13 > FMC_A7 | PG10 > FMC_NE3
* PD9 > FMC_D14 | PE8 > FMC_D5 | PF14 > FMC_A8 | PG12 > FMC_NE4
* PD10 > FMC_A15 | PE9 > FMC_D6 | PF15 > FMC_A9 | PG13 > FMC_A24
* PD11 > FMC_A16 | PE10 > FMC_D7 | |
* PD12 > FMC_A17 | PE11 > FMC_D8 | |
* PD13 > FMC_A18 | PE12 > FMC_D9 | |
* PD14 > FMC_D0 | PE13 > FMC_D10 | |
* PD15 > FMC_D1 | PE14 > FMC_D11 | |
* | PE15 > FMC_D12 | |
*
* $Id$
* ------------------------------------------------------------------------- */
/* Standard includes */
#include <stdint.h>
/* User includes */
#include "system_ctboard.h"
#include "reg_stm32f4xx.h"
#include "reg_ctboard.h"
/* -- Macros (LCD)
* ------------------------------------------------------------------------- */
#define LCD_WAIT 0x1fff
/* -- Macros (FMC)
* ------------------------------------------------------------------------- */
#define FMC_PORTD_PINMASK 0xfffb
#define FMC_PORTE_PINMASK 0xffff
#define FMC_PORTF_PINMASK 0xf03f
#define FMC_PORTG_PINMASK 0x363f
/* -- Local function declarations
* ------------------------------------------------------------------------- */
static void init_SystemClock(void);
static void init_FPU(void);
static void init_FMC_SRAM(void);
static void init_LCD(void);
/* -- Public function definitions
* ------------------------------------------------------------------------- */
/**
* \brief Entry point used in startup.
*/
void __system(void)
{
system_enter_run();
}
/*
* See header files
*/
void system_enter_run(void)
{
/* Initialize RCC / system clock */
init_SystemClock();
/* Iitialize FPU */
init_FPU();
/* Initialize SRAM interface */
init_FMC_SRAM();
/* Initialize LCD on CT-Board */
init_LCD();
}
/*
* See header file
*/
void system_enter_sleep(hal_pwr_lp_entry_t entry)
{
/** \note Implement this function if needed. */
}
/*
* See header file
*/
void system_enter_stop(hal_pwr_regulator_t regulator, hal_pwr_lp_entry_t entry)
{
/** \note Implement this function if needed. */
}
/*
* See header file
*/
void system_enter_standby(void)
{
/** \note Implement this function if needed. */
}
/* -- Local function definitions
* ------------------------------------------------------------------------- */
/**
* \brief Configures the System clock source, PLL Multiplier and Divider
* factors, AHB/APBx prescalers and Flash settings.
*/
static void init_SystemClock(void)
{
hal_rcc_pll_init_t pll_init;
hal_rcc_clk_init_t clk_init;
/* Enable used periphery */
PWR_ENABLE();
/* Reset */
hal_rcc_reset();
PWR_RESET();
/* Enable HSE oscillator and proceed if ok */
if (hal_rcc_set_osc(HAL_RCC_OSC_HSE, ENABLE)) {
/* Select regulator voltage output Scale 1 mode */
RCC->APB1ENR |= 0x00000000;
PWR->CR |= 0x0000c000;
/* Configure PLL */
pll_init.source = HAL_RCC_OSC_HSE;
pll_init.m_divider = 4u;
pll_init.n_factor = 168u;
pll_init.p_divider = 2u;
pll_init.q_divider = 7u;
hal_rcc_setup_pll(HAL_RCC_OSC_PLL, pll_init);
/* Enable PLL */
hal_rcc_set_osc(HAL_RCC_OSC_PLL, ENABLE);
/* Enable overdrive to allow system clock >= 168 MHz */
hal_pwr_set_overdrive(ENABLE);
/* Configure Flash prefetch, Instruction cache, Data cache
* and wait state */
FLASH->ACR = 0x00000705;
/* Setup system clock */
clk_init.osc = HAL_RCC_OSC_PLL;
clk_init.hpre = HAL_RCC_HPRE_2; // -> AHB clock : 84 MHz
clk_init.ppre1 = HAL_RCC_PPRE_2; // -> APB1 clock : 48 MHz
clk_init.ppre2 = HAL_RCC_PPRE_2; // -> APB2 clock : 48 MHz
hal_rcc_setup_clock(clk_init);
} else {
/* If HSE fails to start-up, the application will have wrong clock con-
figuration. User can add here some code to deal with this error */
}
}
/**
* \brief Initialize the floating point unit in M4 mode.
*/
static void init_FPU(void)
{
#ifdef PLATFORM_M4
/* No documentation about this, even the registers... */
/* set CP10 and CP11 Full Access */
FPU->CPACR |= ((3u << 20u)|(3u << 22u));
#endif
}
/**
* \brief Setup the flexible memory controller. This function configures the SRAM
* interface for accessing the periphery on the CT Board.
*/
static void init_FMC_SRAM(void)
{
#ifndef NO_FMC
hal_gpio_output_t gpio_init;
hal_fmc_sram_init_t sram_init;
hal_fmc_sram_timing_t sram_timing;
/* Enable used peripherals */
GPIOD_ENABLE();
GPIOE_ENABLE();
GPIOF_ENABLE();
GPIOG_ENABLE();
FMC_ENABLE();
/* Configure the involved GPIO pins to AF12 (FMC) */
gpio_init.pupd = HAL_GPIO_PUPD_NOPULL;
gpio_init.out_speed = HAL_GPIO_OUT_SPEED_50MHZ;
gpio_init.out_type = HAL_GPIO_OUT_TYPE_PP;
/* GPIOD configuration (pins: 0,1,3-15) */
gpio_init.pins = FMC_PORTD_PINMASK;
hal_gpio_init_alternate(GPIOD, HAL_GPIO_AF_FMC, gpio_init);
/* GPIOE configuration (pins: 0-15) */
gpio_init.pins = FMC_PORTE_PINMASK;
hal_gpio_init_alternate(GPIOE, HAL_GPIO_AF_FMC, gpio_init);
/* GPIOF configuration (pins: 0-5,12-15) */
gpio_init.pins = FMC_PORTF_PINMASK;
hal_gpio_init_alternate(GPIOF, HAL_GPIO_AF_FMC, gpio_init);
/* GPIOG configuration (pins: 1-5, 9, 10, 12, 13) */
gpio_init.pins = FMC_PORTG_PINMASK;
hal_gpio_init_alternate(GPIOG, HAL_GPIO_AF_FMC, gpio_init);
/* Initialize the synchronous PSRAM on bank 1 */
sram_init.address_mux = DISABLE;
sram_init.type = HAL_FMC_TYPE_PSRAM;
sram_init.width = HAL_FMC_WIDTH_16B;
sram_init.read_burst = ENABLE;
sram_init.write_enable = ENABLE;
sram_init.write_burst = ENABLE;
sram_init.continous_clock = ENABLE;
sram_timing.bus_turnaround = 1u;
sram_timing.clk_divider = 15u;
sram_timing.data_latency = 2u;
hal_fmc_init_sram(HAL_FMC_SRAM_BANK1, sram_init, sram_timing);
/* Initialize the asynchronous SRAM on bank 2 */
sram_init.address_mux = DISABLE;
sram_init.type = HAL_FMC_TYPE_SRAM;
sram_init.width = HAL_FMC_WIDTH_16B;
sram_init.read_burst = DISABLE;
sram_init.write_enable = DISABLE;
sram_init.write_burst = DISABLE;
sram_init.continous_clock = DISABLE;
sram_timing.bus_turnaround = 1u;
sram_timing.address_setup = 11u;
sram_timing.address_hold = 5u;
sram_timing.data_setup = 11u;
sram_timing.mode = HAL_FMC_ACCESS_MODE_A;
hal_fmc_init_sram(HAL_FMC_SRAM_BANK2, sram_init, sram_timing);
#endif
}
/**
* \brief Wait for the LCD controller on the CT Board to be initialized.
* \TODO Possibly adjust LCD controller on CPLD to set status bit
* and wait for it in this function.
*/
static void init_LCD(void)
{
#ifndef NO_FMC
uint32_t wait_for_lcd = LCD_WAIT;
for(; wait_for_lcd > 0; wait_for_lcd--);
#endif
}
@@ -0,0 +1,100 @@
;* ------------------------------------------------------------------
;* -- _____ ______ _____ -
;* -- |_ _| | ____|/ ____| -
;* -- | | _ __ | |__ | (___ Institute of Embedded Systems -
;* -- | | | '_ \| __| \___ \ Zurich University of -
;* -- _| |_| | | | |____ ____) | Applied Sciences -
;* -- |_____|_| |_|______|_____/ 8401 Winterthur, Switzerland -
;* ------------------------------------------------------------------
;* --
;* -- Project : CT Board - Cortex M4
;* -- Description : Data Segment initialisation.
;* --
;* -- $Id$
;* ------------------------------------------------------------------
; -------------------------------------------------------------------
; -- __Main
; -------------------------------------------------------------------
AREA |.text|, CODE, READONLY
IMPORT main
EXPORT __main
__main PROC
; initialize RW and ZI data - this includes heap and stack for the -ro=... -rw=... -entry=... linking cmd args...
IMPORT |Image$$RO$$Limit| [WEAK]
IMPORT |Image$$RW$$Base| [WEAK]
IMPORT |Image$$ZI$$Base| [WEAK]
IMPORT |Image$$ZI$$Limit| [WEAK]
; ...or from auto generated scatter file. Needs linker option: --diag_suppress 6314
IMPORT |Image$$ER_IROM1$$Limit| [WEAK]
IMPORT |Image$$RW_IRAM1$$Base| [WEAK]
IMPORT |Image$$RW_IRAM1$$ZI$$Base| [WEAK]
IMPORT |Image$$RW_IRAM1$$ZI$$Limit| [WEAK]
; import stack parameter
IMPORT Stack_Size [WEAK]
IMPORT Stack_Mem [WEAK]
; switch between command line generated regions and auto scatter file generated regions
LDR R1, =|Image$$RO$$Limit|
CMP R1,#0
BEQ ScatterFileSymbols
CommandLineSymbols
LDR R2, =|Image$$RW$$Base| ; start of the RW data in RAM
LDR R3, =|Image$$ZI$$Base| ; end of the RW data in RAM
MOV R5, R3 ; start of zero initialized data
LDR R6, =|Image$$ZI$$Limit| ; end of zero initialized data
B CondRWLoop
ScatterFileSymbols
LDR R1, =|Image$$ER_IROM1$$Limit| ; start of flashed initial RW data
LDR R2, =|Image$$RW_IRAM1$$Base| ; start of the RW data in RAM
LDR R3, =|Image$$RW_IRAM1$$ZI$$Base| ; end of the RW data in RAM
MOV R5, R3 ; start of zero initialized data
LDR R6, =|Image$$RW_IRAM1$$ZI$$Limit| ; end of zero initialized data
B CondRWLoop
; init non-zero data
LoopRWCopy LDR R4, [R1]
STR R4, [R2]
ADDS R1, R1, #4
ADDS R2, R2, #4
CondRWLoop CMP R2, R3
BNE LoopRWCopy
; init zero-initialized data
MOV R2, R5
MOV R3, R6
MOVS R4, #0
B CondZILoop
LoopZICopy STR R4, [R2]
ADDS R2, R2, #4
CondZILoop CMP R2, R3
BNE LoopZICopy
; fingerprint stack section
LDR R0, =Stack_Mem
LDR R1, =Stack_Size
LDR R2, =0xEFBEADDE ; stack fingerprint (little endian!)
LoopStack STR R2, [R0]
ADDS R0, R0, #4
SUBS R1, #4
BNE LoopStack
; go to the user main function
LDR R0, =main
BX R0
ENDP
; -------------------------------------------------------------------
; -- End of file
; -------------------------------------------------------------------
ALIGN
END
@@ -0,0 +1,439 @@
;******************** (C) COPYRIGHT 2013 STMicroelectronics ********************
;* File Name : startup_stm32f429_439xx.s
;* Author : MCD Application Team
;* Version : V1.3.0
;* Date : 08-November-2013
;* Description : STM32F429xx/439xx devices vector table for MDK-ARM toolchain.
;* This module performs:
;* - Set the initial SP
;* - Set the initial PC == Reset_Handler
;* - Set the vector table entries with the exceptions ISR address
;* - Configure the system clock and the external SRAM/SDRAM mounted
;* on STM324x9I-EVAL boards to be used as data memory
;* (optional, to be enabled by user)
;* - Branches to __main in the C library (which eventually
;* calls main()).
;* After Reset the CortexM4 processor is in Thread mode,
;* priority is Privileged, and the Stack is set to Main.
;* <<< Use Configuration Wizard in Context Menu >>>
;*******************************************************************************
;
; Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
; You may not use this file except in compliance with the License.
; You may obtain a copy of the License at:
;
; http://www.st.com/software_license_agreement_liberty_v2
;
; Unless required by applicable law or agreed to in writing, software
; distributed under the License is distributed on an "AS IS" BASIS,
; WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
; See the License for the specific language governing permissions and
; limitations under the License.
;
;*******************************************************************************
; Amount of memory (in bytes) allocated for Stack
; Tailor this value to your application needs
; <h> Stack Configuration
; <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Stack_Size EQU 0x00002000
AREA STACK, NOINIT, READWRITE, ALIGN=3
EXPORT Stack_Size
EXPORT Stack_Mem
Stack_Mem SPACE Stack_Size
__initial_sp
; <h> Heap Configuration
; <o> Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
; </h>
Heap_Size EQU 0x00000800
AREA HEAP, NOINIT, READWRITE, ALIGN=3
__heap_base
Heap_Mem SPACE Heap_Size
__heap_limit
PRESERVE8
THUMB
; Vector Table Mapped to Address 0 at Reset
AREA RESET, DATA, READONLY
EXPORT __Vectors
EXPORT __Vectors_End
EXPORT __Vectors_Size
__Vectors DCD __initial_sp ; Top of Stack
DCD Reset_Handler ; Reset Handler
DCD NMI_Handler ; NMI Handler
DCD HardFault_Handler ; Hard Fault Handler
DCD MemManage_Handler ; MPU Fault Handler
DCD BusFault_Handler ; Bus Fault Handler
DCD UsageFault_Handler ; Usage Fault Handler
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD 0 ; Reserved
DCD SVC_Handler ; SVCall Handler
DCD DebugMon_Handler ; Debug Monitor Handler
DCD 0 ; Reserved
DCD PendSV_Handler ; PendSV Handler
DCD SysTick_Handler ; SysTick Handler
; External Interrupts
DCD WWDG_IRQHandler ; Window WatchDog
DCD PVD_IRQHandler ; PVD through EXTI Line detection
DCD TAMP_STAMP_IRQHandler ; Tamper and TimeStamps through the EXTI line
DCD RTC_WKUP_IRQHandler ; RTC Wakeup through the EXTI line
DCD FLASH_IRQHandler ; FLASH
DCD RCC_IRQHandler ; RCC
DCD EXTI0_IRQHandler ; EXTI Line0
DCD EXTI1_IRQHandler ; EXTI Line1
DCD EXTI2_IRQHandler ; EXTI Line2
DCD EXTI3_IRQHandler ; EXTI Line3
DCD EXTI4_IRQHandler ; EXTI Line4
DCD DMA1_Stream0_IRQHandler ; DMA1 Stream 0
DCD DMA1_Stream1_IRQHandler ; DMA1 Stream 1
DCD DMA1_Stream2_IRQHandler ; DMA1 Stream 2
DCD DMA1_Stream3_IRQHandler ; DMA1 Stream 3
DCD DMA1_Stream4_IRQHandler ; DMA1 Stream 4
DCD DMA1_Stream5_IRQHandler ; DMA1 Stream 5
DCD DMA1_Stream6_IRQHandler ; DMA1 Stream 6
DCD ADC_IRQHandler ; ADC1, ADC2 and ADC3s
DCD CAN1_TX_IRQHandler ; CAN1 TX
DCD CAN1_RX0_IRQHandler ; CAN1 RX0
DCD CAN1_RX1_IRQHandler ; CAN1 RX1
DCD CAN1_SCE_IRQHandler ; CAN1 SCE
DCD EXTI9_5_IRQHandler ; External Line[9:5]s
DCD TIM1_BRK_TIM9_IRQHandler ; TIM1 Break and TIM9
DCD TIM1_UP_TIM10_IRQHandler ; TIM1 Update and TIM10
DCD TIM1_TRG_COM_TIM11_IRQHandler ; TIM1 Trigger and Commutation and TIM11
DCD TIM1_CC_IRQHandler ; TIM1 Capture Compare
DCD TIM2_IRQHandler ; TIM2
DCD TIM3_IRQHandler ; TIM3
DCD TIM4_IRQHandler ; TIM4
DCD I2C1_EV_IRQHandler ; I2C1 Event
DCD I2C1_ER_IRQHandler ; I2C1 Error
DCD I2C2_EV_IRQHandler ; I2C2 Event
DCD I2C2_ER_IRQHandler ; I2C2 Error
DCD SPI1_IRQHandler ; SPI1
DCD SPI2_IRQHandler ; SPI2
DCD USART1_IRQHandler ; USART1
DCD USART2_IRQHandler ; USART2
DCD USART3_IRQHandler ; USART3
DCD EXTI15_10_IRQHandler ; External Line[15:10]s
DCD RTC_Alarm_IRQHandler ; RTC Alarm (A and B) through EXTI Line
DCD OTG_FS_WKUP_IRQHandler ; USB OTG FS Wakeup through EXTI line
DCD TIM8_BRK_TIM12_IRQHandler ; TIM8 Break and TIM12
DCD TIM8_UP_TIM13_IRQHandler ; TIM8 Update and TIM13
DCD TIM8_TRG_COM_TIM14_IRQHandler ; TIM8 Trigger and Commutation and TIM14
DCD TIM8_CC_IRQHandler ; TIM8 Capture Compare
DCD DMA1_Stream7_IRQHandler ; DMA1 Stream7
DCD FMC_IRQHandler ; FMC
DCD SDIO_IRQHandler ; SDIO
DCD TIM5_IRQHandler ; TIM5
DCD SPI3_IRQHandler ; SPI3
DCD UART4_IRQHandler ; UART4
DCD UART5_IRQHandler ; UART5
DCD TIM6_DAC_IRQHandler ; TIM6 and DAC1&2 underrun errors
DCD TIM7_IRQHandler ; TIM7
DCD DMA2_Stream0_IRQHandler ; DMA2 Stream 0
DCD DMA2_Stream1_IRQHandler ; DMA2 Stream 1
DCD DMA2_Stream2_IRQHandler ; DMA2 Stream 2
DCD DMA2_Stream3_IRQHandler ; DMA2 Stream 3
DCD DMA2_Stream4_IRQHandler ; DMA2 Stream 4
DCD ETH_IRQHandler ; Ethernet
DCD ETH_WKUP_IRQHandler ; Ethernet Wakeup through EXTI line
DCD CAN2_TX_IRQHandler ; CAN2 TX
DCD CAN2_RX0_IRQHandler ; CAN2 RX0
DCD CAN2_RX1_IRQHandler ; CAN2 RX1
DCD CAN2_SCE_IRQHandler ; CAN2 SCE
DCD OTG_FS_IRQHandler ; USB OTG FS
DCD DMA2_Stream5_IRQHandler ; DMA2 Stream 5
DCD DMA2_Stream6_IRQHandler ; DMA2 Stream 6
DCD DMA2_Stream7_IRQHandler ; DMA2 Stream 7
DCD USART6_IRQHandler ; USART6
DCD I2C3_EV_IRQHandler ; I2C3 event
DCD I2C3_ER_IRQHandler ; I2C3 error
DCD OTG_HS_EP1_OUT_IRQHandler ; USB OTG HS End Point 1 Out
DCD OTG_HS_EP1_IN_IRQHandler ; USB OTG HS End Point 1 In
DCD OTG_HS_WKUP_IRQHandler ; USB OTG HS Wakeup through EXTI
DCD OTG_HS_IRQHandler ; USB OTG HS
DCD DCMI_IRQHandler ; DCMI
DCD CRYP_IRQHandler ; CRYP crypto
DCD HASH_RNG_IRQHandler ; Hash and Rng
DCD FPU_IRQHandler ; FPU
DCD UART7_IRQHandler ; UART7
DCD UART8_IRQHandler ; UART8
DCD SPI4_IRQHandler ; SPI4
DCD SPI5_IRQHandler ; SPI5
DCD SPI6_IRQHandler ; SPI6
DCD SAI1_IRQHandler ; SAI1
DCD LTDC_IRQHandler ; LTDC
DCD LTDC_ER_IRQHandler ; LTDC error
DCD DMA2D_IRQHandler ; DMA2D
__Vectors_End
__Vectors_Size EQU __Vectors_End - __Vectors
AREA |.text|, CODE, READONLY
; Reset handler
Reset_Handler PROC
EXPORT Reset_Handler [WEAK]
IMPORT __system
IMPORT __main
ENTRY
LDR R0, =__system
BLX R0
LDR R0, =__main
BX R0
ENDP
; Dummy Exception Handlers (infinite loops which can be modified)
NMI_Handler PROC
EXPORT NMI_Handler [WEAK]
B .
ENDP
HardFault_Handler\
PROC
EXPORT HardFault_Handler [WEAK]
B .
ENDP
MemManage_Handler\
PROC
EXPORT MemManage_Handler [WEAK]
B .
ENDP
BusFault_Handler\
PROC
EXPORT BusFault_Handler [WEAK]
B .
ENDP
UsageFault_Handler\
PROC
EXPORT UsageFault_Handler [WEAK]
B .
ENDP
SVC_Handler PROC
EXPORT SVC_Handler [WEAK]
B .
ENDP
DebugMon_Handler\
PROC
EXPORT DebugMon_Handler [WEAK]
B .
ENDP
PendSV_Handler PROC
EXPORT PendSV_Handler [WEAK]
B .
ENDP
SysTick_Handler PROC
EXPORT SysTick_Handler [WEAK]
B .
ENDP
Default_Handler PROC
EXPORT WWDG_IRQHandler [WEAK]
EXPORT PVD_IRQHandler [WEAK]
EXPORT TAMP_STAMP_IRQHandler [WEAK]
EXPORT RTC_WKUP_IRQHandler [WEAK]
EXPORT FLASH_IRQHandler [WEAK]
EXPORT RCC_IRQHandler [WEAK]
EXPORT EXTI0_IRQHandler [WEAK]
EXPORT EXTI1_IRQHandler [WEAK]
EXPORT EXTI2_IRQHandler [WEAK]
EXPORT EXTI3_IRQHandler [WEAK]
EXPORT EXTI4_IRQHandler [WEAK]
EXPORT DMA1_Stream0_IRQHandler [WEAK]
EXPORT DMA1_Stream1_IRQHandler [WEAK]
EXPORT DMA1_Stream2_IRQHandler [WEAK]
EXPORT DMA1_Stream3_IRQHandler [WEAK]
EXPORT DMA1_Stream4_IRQHandler [WEAK]
EXPORT DMA1_Stream5_IRQHandler [WEAK]
EXPORT DMA1_Stream6_IRQHandler [WEAK]
EXPORT ADC_IRQHandler [WEAK]
EXPORT CAN1_TX_IRQHandler [WEAK]
EXPORT CAN1_RX0_IRQHandler [WEAK]
EXPORT CAN1_RX1_IRQHandler [WEAK]
EXPORT CAN1_SCE_IRQHandler [WEAK]
EXPORT EXTI9_5_IRQHandler [WEAK]
EXPORT TIM1_BRK_TIM9_IRQHandler [WEAK]
EXPORT TIM1_UP_TIM10_IRQHandler [WEAK]
EXPORT TIM1_TRG_COM_TIM11_IRQHandler [WEAK]
EXPORT TIM1_CC_IRQHandler [WEAK]
EXPORT TIM2_IRQHandler [WEAK]
EXPORT TIM3_IRQHandler [WEAK]
EXPORT TIM4_IRQHandler [WEAK]
EXPORT I2C1_EV_IRQHandler [WEAK]
EXPORT I2C1_ER_IRQHandler [WEAK]
EXPORT I2C2_EV_IRQHandler [WEAK]
EXPORT I2C2_ER_IRQHandler [WEAK]
EXPORT SPI1_IRQHandler [WEAK]
EXPORT SPI2_IRQHandler [WEAK]
EXPORT USART1_IRQHandler [WEAK]
EXPORT USART2_IRQHandler [WEAK]
EXPORT USART3_IRQHandler [WEAK]
EXPORT EXTI15_10_IRQHandler [WEAK]
EXPORT RTC_Alarm_IRQHandler [WEAK]
EXPORT OTG_FS_WKUP_IRQHandler [WEAK]
EXPORT TIM8_BRK_TIM12_IRQHandler [WEAK]
EXPORT TIM8_UP_TIM13_IRQHandler [WEAK]
EXPORT TIM8_TRG_COM_TIM14_IRQHandler [WEAK]
EXPORT TIM8_CC_IRQHandler [WEAK]
EXPORT DMA1_Stream7_IRQHandler [WEAK]
EXPORT FMC_IRQHandler [WEAK]
EXPORT SDIO_IRQHandler [WEAK]
EXPORT TIM5_IRQHandler [WEAK]
EXPORT SPI3_IRQHandler [WEAK]
EXPORT UART4_IRQHandler [WEAK]
EXPORT UART5_IRQHandler [WEAK]
EXPORT TIM6_DAC_IRQHandler [WEAK]
EXPORT TIM7_IRQHandler [WEAK]
EXPORT DMA2_Stream0_IRQHandler [WEAK]
EXPORT DMA2_Stream1_IRQHandler [WEAK]
EXPORT DMA2_Stream2_IRQHandler [WEAK]
EXPORT DMA2_Stream3_IRQHandler [WEAK]
EXPORT DMA2_Stream4_IRQHandler [WEAK]
EXPORT ETH_IRQHandler [WEAK]
EXPORT ETH_WKUP_IRQHandler [WEAK]
EXPORT CAN2_TX_IRQHandler [WEAK]
EXPORT CAN2_RX0_IRQHandler [WEAK]
EXPORT CAN2_RX1_IRQHandler [WEAK]
EXPORT CAN2_SCE_IRQHandler [WEAK]
EXPORT OTG_FS_IRQHandler [WEAK]
EXPORT DMA2_Stream5_IRQHandler [WEAK]
EXPORT DMA2_Stream6_IRQHandler [WEAK]
EXPORT DMA2_Stream7_IRQHandler [WEAK]
EXPORT USART6_IRQHandler [WEAK]
EXPORT I2C3_EV_IRQHandler [WEAK]
EXPORT I2C3_ER_IRQHandler [WEAK]
EXPORT OTG_HS_EP1_OUT_IRQHandler [WEAK]
EXPORT OTG_HS_EP1_IN_IRQHandler [WEAK]
EXPORT OTG_HS_WKUP_IRQHandler [WEAK]
EXPORT OTG_HS_IRQHandler [WEAK]
EXPORT DCMI_IRQHandler [WEAK]
EXPORT CRYP_IRQHandler [WEAK]
EXPORT HASH_RNG_IRQHandler [WEAK]
EXPORT FPU_IRQHandler [WEAK]
EXPORT UART7_IRQHandler [WEAK]
EXPORT UART8_IRQHandler [WEAK]
EXPORT SPI4_IRQHandler [WEAK]
EXPORT SPI5_IRQHandler [WEAK]
EXPORT SPI6_IRQHandler [WEAK]
EXPORT SAI1_IRQHandler [WEAK]
EXPORT LTDC_IRQHandler [WEAK]
EXPORT LTDC_ER_IRQHandler [WEAK]
EXPORT DMA2D_IRQHandler [WEAK]
WWDG_IRQHandler
PVD_IRQHandler
TAMP_STAMP_IRQHandler
RTC_WKUP_IRQHandler
FLASH_IRQHandler
RCC_IRQHandler
EXTI0_IRQHandler
EXTI1_IRQHandler
EXTI2_IRQHandler
EXTI3_IRQHandler
EXTI4_IRQHandler
DMA1_Stream0_IRQHandler
DMA1_Stream1_IRQHandler
DMA1_Stream2_IRQHandler
DMA1_Stream3_IRQHandler
DMA1_Stream4_IRQHandler
DMA1_Stream5_IRQHandler
DMA1_Stream6_IRQHandler
ADC_IRQHandler
CAN1_TX_IRQHandler
CAN1_RX0_IRQHandler
CAN1_RX1_IRQHandler
CAN1_SCE_IRQHandler
EXTI9_5_IRQHandler
TIM1_BRK_TIM9_IRQHandler
TIM1_UP_TIM10_IRQHandler
TIM1_TRG_COM_TIM11_IRQHandler
TIM1_CC_IRQHandler
TIM2_IRQHandler
TIM3_IRQHandler
TIM4_IRQHandler
I2C1_EV_IRQHandler
I2C1_ER_IRQHandler
I2C2_EV_IRQHandler
I2C2_ER_IRQHandler
SPI1_IRQHandler
SPI2_IRQHandler
USART1_IRQHandler
USART2_IRQHandler
USART3_IRQHandler
EXTI15_10_IRQHandler
RTC_Alarm_IRQHandler
OTG_FS_WKUP_IRQHandler
TIM8_BRK_TIM12_IRQHandler
TIM8_UP_TIM13_IRQHandler
TIM8_TRG_COM_TIM14_IRQHandler
TIM8_CC_IRQHandler
DMA1_Stream7_IRQHandler
FMC_IRQHandler
SDIO_IRQHandler
TIM5_IRQHandler
SPI3_IRQHandler
UART4_IRQHandler
UART5_IRQHandler
TIM6_DAC_IRQHandler
TIM7_IRQHandler
DMA2_Stream0_IRQHandler
DMA2_Stream1_IRQHandler
DMA2_Stream2_IRQHandler
DMA2_Stream3_IRQHandler
DMA2_Stream4_IRQHandler
ETH_IRQHandler
ETH_WKUP_IRQHandler
CAN2_TX_IRQHandler
CAN2_RX0_IRQHandler
CAN2_RX1_IRQHandler
CAN2_SCE_IRQHandler
OTG_FS_IRQHandler
DMA2_Stream5_IRQHandler
DMA2_Stream6_IRQHandler
DMA2_Stream7_IRQHandler
USART6_IRQHandler
I2C3_EV_IRQHandler
I2C3_ER_IRQHandler
OTG_HS_EP1_OUT_IRQHandler
OTG_HS_EP1_IN_IRQHandler
OTG_HS_WKUP_IRQHandler
OTG_HS_IRQHandler
DCMI_IRQHandler
CRYP_IRQHandler
HASH_RNG_IRQHandler
FPU_IRQHandler
UART7_IRQHandler
UART8_IRQHandler
SPI4_IRQHandler
SPI5_IRQHandler
SPI6_IRQHandler
SAI1_IRQHandler
LTDC_IRQHandler
LTDC_ER_IRQHandler
DMA2D_IRQHandler
B .
ENDP
ALIGN
END
;************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE*****
@@ -0,0 +1,290 @@
/* ----------------------------------------------------------------------------
* -- _____ ______ _____ -
* -- |_ _| | ____|/ ____| -
* -- | | _ __ | |__ | (___ Institute of Embedded Systems -
* -- | | | '_ \| __| \___ \ Zurich University of -
* -- _| |_| | | | |____ ____) | Applied Sciences -
* -- |_____|_| |_|______|_____/ 8401 Winterthur, Switzerland -
* ------------------------------------------------------------------------- */
/**
* \brief Interface of module system_ctboard.
* Description : Basic system configuration.
* * initialize system clock
* * initialize FMC (SRAM & GPIO)
*
* GPIO FMC pin assignment:
*
* PD0 > FMC_D2 | PE0 > FMC_NBL0 | PF0 > FMC_A0 | PG0 > FMC_A10
* PD1 > FMC_D3 | PE1 > FMC_NBL1 | PF1 > FMC_A1 | PG1 > FMC_A11
* PD3 > FMC_CLK | PE2 > FMC_A23 | PF2 > FMC_A2 | PG2 > FMC_A12
* PD4 > FMC_NOE | PE3 > FMC_A19 | PF3 > FMC_A3 | PG3 > FMC_A13
* PD5 > FMC_NWE | PE4 > FMC_A20 | PF4 > FMC_A4 | PG4 > FMC_A14
* PD6 > FMC_WAIT | PE5 > FMC_A21 | PF5 > FMC_A5 | PG5 > FMC_A15
* PD7 > FMC_NE1 | PE6 > FMC_A22 | PF12 > FMC_A6 | PG9 > FMC_NE2
* PD8 > FMC_D13 | PE7 > FMC_D4 | PF13 > FMC_A7 | PG10 > FMC_NE3
* PD9 > FMC_D14 | PE8 > FMC_D5 | PF14 > FMC_A8 | PG12 > FMC_NE4
* PD10 > FMC_A15 | PE9 > FMC_D6 | PF15 > FMC_A9 | PG13 > FMC_A24
* PD11 > FMC_A16 | PE10 > FMC_D7 | |
* PD12 > FMC_A17 | PE11 > FMC_D8 | |
* PD13 > FMC_A18 | PE12 > FMC_D9 | |
* PD14 > FMC_D0 | PE13 > FMC_D10 | |
* PD15 > FMC_D1 | PE14 > FMC_D11 | |
* | PE15 > FMC_D12 | |
*
* $Id$
* ------------------------------------------------------------------------- */
/* Standard includes */
#include <stdint.h>
/* User includes */
#include "system_ctboard.h"
#include "reg_stm32f4xx.h"
#include "reg_ctboard.h"
/* -- Macros (LCD)
* ------------------------------------------------------------------------- */
#define LCD_WAIT 0x1fff
/* -- Macros (FMC)
* ------------------------------------------------------------------------- */
#define FMC_PORTD_PINMASK 0xfffb
#define FMC_PORTE_PINMASK 0xffff
#define FMC_PORTF_PINMASK 0xf03f
#define FMC_PORTG_PINMASK 0x363f
/* -- Local function declarations
* ------------------------------------------------------------------------- */
static void init_SystemClock(void);
static void init_FPU(void);
static void init_FMC_SRAM(void);
static void init_LCD(void);
/* -- Public function definitions
* ------------------------------------------------------------------------- */
/**
* \brief Entry point used in startup.
*/
void __system(void)
{
system_enter_run();
}
/*
* See header files
*/
void system_enter_run(void)
{
/* Initialize RCC / system clock */
init_SystemClock();
/* Iitialize FPU */
init_FPU();
/* Initialize SRAM interface */
init_FMC_SRAM();
/* Initialize LCD on CT-Board */
init_LCD();
}
/*
* See header file
*/
void system_enter_sleep(hal_pwr_lp_entry_t entry)
{
/** \note Implement this function if needed. */
}
/*
* See header file
*/
void system_enter_stop(hal_pwr_regulator_t regulator, hal_pwr_lp_entry_t entry)
{
/** \note Implement this function if needed. */
}
/*
* See header file
*/
void system_enter_standby(void)
{
/** \note Implement this function if needed. */
}
/* -- Local function definitions
* ------------------------------------------------------------------------- */
/**
* \brief Configures the System clock source, PLL Multiplier and Divider
* factors, AHB/APBx prescalers and Flash settings.
*/
static void init_SystemClock(void)
{
hal_rcc_pll_init_t pll_init;
hal_rcc_clk_init_t clk_init;
/* Enable used periphery */
PWR_ENABLE();
/* Reset */
hal_rcc_reset();
PWR_RESET();
/* Enable HSE oscillator and proceed if ok */
if (hal_rcc_set_osc(HAL_RCC_OSC_HSE, ENABLE)) {
/* Select regulator voltage output Scale 1 mode */
RCC->APB1ENR |= 0x00000000;
PWR->CR |= 0x0000c000;
/* Configure PLL */
pll_init.source = HAL_RCC_OSC_HSE;
pll_init.m_divider = 4u;
pll_init.n_factor = 168u;
pll_init.p_divider = 2u;
pll_init.q_divider = 7u;
hal_rcc_setup_pll(HAL_RCC_OSC_PLL, pll_init);
/* Enable PLL */
hal_rcc_set_osc(HAL_RCC_OSC_PLL, ENABLE);
/* Enable overdrive to allow system clock >= 168 MHz */
hal_pwr_set_overdrive(ENABLE);
/* Configure Flash prefetch, Instruction cache, Data cache
* and wait state */
FLASH->ACR = 0x00000705;
/* Setup system clock */
clk_init.osc = HAL_RCC_OSC_PLL;
clk_init.hpre = HAL_RCC_HPRE_2; // -> AHB clock : 84 MHz
clk_init.ppre1 = HAL_RCC_PPRE_2; // -> APB1 clock : 48 MHz
clk_init.ppre2 = HAL_RCC_PPRE_2; // -> APB2 clock : 48 MHz
hal_rcc_setup_clock(clk_init);
} else {
/* If HSE fails to start-up, the application will have wrong clock con-
figuration. User can add here some code to deal with this error */
}
}
/**
* \brief Initialize the floating point unit in M4 mode.
*/
static void init_FPU(void)
{
#ifdef PLATFORM_M4
/* No documentation about this, even the registers... */
/* set CP10 and CP11 Full Access */
FPU->CPACR |= ((3u << 20u)|(3u << 22u));
#endif
}
/**
* \brief Setup the flexible memory controller. This function configures the SRAM
* interface for accessing the periphery on the CT Board.
*/
static void init_FMC_SRAM(void)
{
#ifndef NO_FMC
hal_gpio_output_t gpio_init;
hal_fmc_sram_init_t sram_init;
hal_fmc_sram_timing_t sram_timing;
/* Enable used peripherals */
GPIOD_ENABLE();
GPIOE_ENABLE();
GPIOF_ENABLE();
GPIOG_ENABLE();
FMC_ENABLE();
/* Configure the involved GPIO pins to AF12 (FMC) */
gpio_init.pupd = HAL_GPIO_PUPD_NOPULL;
gpio_init.out_speed = HAL_GPIO_OUT_SPEED_50MHZ;
gpio_init.out_type = HAL_GPIO_OUT_TYPE_PP;
/* GPIOD configuration (pins: 0,1,3-15) */
gpio_init.pins = FMC_PORTD_PINMASK;
hal_gpio_init_alternate(GPIOD, HAL_GPIO_AF_FMC, gpio_init);
/* GPIOE configuration (pins: 0-15) */
gpio_init.pins = FMC_PORTE_PINMASK;
hal_gpio_init_alternate(GPIOE, HAL_GPIO_AF_FMC, gpio_init);
/* GPIOF configuration (pins: 0-5,12-15) */
gpio_init.pins = FMC_PORTF_PINMASK;
hal_gpio_init_alternate(GPIOF, HAL_GPIO_AF_FMC, gpio_init);
/* GPIOG configuration (pins: 1-5, 9, 10, 12, 13) */
gpio_init.pins = FMC_PORTG_PINMASK;
hal_gpio_init_alternate(GPIOG, HAL_GPIO_AF_FMC, gpio_init);
/* Initialize the synchronous PSRAM on bank 1 */
sram_init.address_mux = DISABLE;
sram_init.type = HAL_FMC_TYPE_PSRAM;
sram_init.width = HAL_FMC_WIDTH_16B;
sram_init.read_burst = ENABLE;
sram_init.write_enable = ENABLE;
sram_init.write_burst = ENABLE;
sram_init.continous_clock = ENABLE;
sram_timing.bus_turnaround = 1u;
sram_timing.clk_divider = 15u;
sram_timing.data_latency = 2u;
hal_fmc_init_sram(HAL_FMC_SRAM_BANK1, sram_init, sram_timing);
/* Initialize the asynchronous SRAM on bank 2 */
sram_init.address_mux = DISABLE;
sram_init.type = HAL_FMC_TYPE_SRAM;
sram_init.width = HAL_FMC_WIDTH_16B;
sram_init.read_burst = DISABLE;
sram_init.write_enable = DISABLE;
sram_init.write_burst = DISABLE;
sram_init.continous_clock = DISABLE;
sram_timing.bus_turnaround = 1u;
sram_timing.address_setup = 11u;
sram_timing.address_hold = 5u;
sram_timing.data_setup = 11u;
sram_timing.mode = HAL_FMC_ACCESS_MODE_A;
hal_fmc_init_sram(HAL_FMC_SRAM_BANK2, sram_init, sram_timing);
#endif
}
/**
* \brief Wait for the LCD controller on the CT Board to be initialized.
* \TODO Possibly adjust LCD controller on CPLD to set status bit
* and wait for it in this function.
*/
static void init_LCD(void)
{
#ifndef NO_FMC
uint32_t wait_for_lcd = LCD_WAIT;
for(; wait_for_lcd > 0; wait_for_lcd--);
#endif
}
@@ -0,0 +1,143 @@
/* ----------------------------------------------------------------------------
* -- _____ ______ _____ -
* -- |_ _| | ____|/ ____| -
* -- | | _ __ | |__ | (___ Institute of Embedded Systems -
* -- | | | '_ \| __| \___ \ Zurich University of -
* -- _| |_| | | | |____ ____) | Applied Sciences -
* -- |_____|_| |_|______|_____/ 8401 Winterthur, Switzerland -
* ------------------------------------------------------------------------- */
/**
* \brief Implementation of module hal_fmc.
*
* The hardware abstraction layer for the memory controller.
*
* $Id$
* ------------------------------------------------------------------------- */
/* User includes */
#include "hal_fmc.h"
#include "reg_stm32f4xx.h"
/* -- Macros
* ------------------------------------------------------------------------- */
#define MASK_PERIPH_FMC (0x00000001)
#define MASK_SRAM_ENABLE (0x00000001)
/* -- Public function definitions
* ------------------------------------------------------------------------- */
/*
* See header file
*/
void hal_fmc_reset(hal_fmc_bank_t bank)
{
switch (bank) {
default:
case HAL_FMC_SRAM_BANK1:
FMC->SRAM.BCR1 = 0x000030db;
FMC->SRAM.BTR1 = 0x0fffffff;
break;
case HAL_FMC_SRAM_BANK2:
FMC->SRAM.BCR2 = 0x000030d2;
FMC->SRAM.BTR2 = 0x0fffffff;
break;
case HAL_FMC_SRAM_BANK3:
FMC->SRAM.BCR3 = 0x000030d2;
FMC->SRAM.BTR3 = 0x0fffffff;
break;
case HAL_FMC_SRAM_BANK4:
FMC->SRAM.BCR4 = 0x000030d2;
FMC->SRAM.BTR4 = 0x0fffffff;
break;
}
}
/*
* See header file
*/
void hal_fmc_init_sram(hal_fmc_bank_t bank,
hal_fmc_sram_init_t init,
hal_fmc_sram_timing_t timing)
{
uint32_t reg_cr = 0, reg_tr = 0;
/* Input check */
timing.address_setup &= 0xf;
timing.address_hold &= 0xf;
if (timing.address_hold < 1u) timing.address_hold = 1u;
timing.data_setup &= 0xff;
if (timing.data_setup < 1u) timing.data_setup = 1u;
timing.bus_turnaround &= 0xf;
/* Input check clock divider (2..16) */
if (timing.clk_divider > 16u) timing.clk_divider = 16u;
if (timing.clk_divider < 2u) timing.clk_divider = 2u;
timing.clk_divider -= 1u; // 0b0001 -> clk / 2
/* Input check data latency (2..17) */
if (timing.data_latency > 17u) timing.data_latency = 17u;
if (timing.data_latency < 2u) timing.data_latency = 2u;
timing.data_latency -= 2u; // 0b0000 -> latency = 2
/* Process boolean parameter */
if (init.address_mux == ENABLE) reg_cr |= (1u << 1u);
if (init.read_burst == ENABLE) reg_cr |= (1u << 8u);
if (init.write_enable == ENABLE) reg_cr |= (1u << 12u);
if (init.write_burst == ENABLE) reg_cr |= (1u << 19u);
if (init.continous_clock == ENABLE) reg_cr |= (1u << 20u);
/* Process non boolean parameter */
reg_cr |= (init.type << 2u);
reg_cr |= (init.width << 4u);
/* Process timing for async. SRAM */
if (init.type == HAL_FMC_TYPE_SRAM) {
reg_tr |= (timing.address_setup << 0u);
reg_tr |= (timing.address_hold << 4u);
reg_tr |= (timing.data_setup << 8u);
reg_tr |= (timing.mode << 28u);
}
/* Process timing for sync. PSRAM */
else if (init.type == HAL_FMC_TYPE_PSRAM) {
reg_tr |= (timing.clk_divider << 20u);
reg_tr |= (timing.data_latency << 24u);
}
/* Process bus turnaround time */
reg_tr |= (timing.bus_turnaround << 16u);
/* Write register */
switch (bank) {
default:
case HAL_FMC_SRAM_BANK1:
FMC->SRAM.BCR1 = reg_cr;
FMC->SRAM.BTR1 = reg_tr;
FMC->SRAM.BCR1 |= MASK_SRAM_ENABLE;
break;
case HAL_FMC_SRAM_BANK2:
FMC->SRAM.BCR2 = reg_cr;
FMC->SRAM.BTR2 = reg_tr;
FMC->SRAM.BCR2 |= MASK_SRAM_ENABLE;
break;
case HAL_FMC_SRAM_BANK3:
FMC->SRAM.BCR3 = reg_cr;
FMC->SRAM.BTR3 = reg_tr;
FMC->SRAM.BCR3 |= MASK_SRAM_ENABLE;
break;
case HAL_FMC_SRAM_BANK4:
FMC->SRAM.BCR4 = reg_cr;
FMC->SRAM.BTR4 = reg_tr;
FMC->SRAM.BCR4 |= MASK_SRAM_ENABLE;
break;
}
}
@@ -0,0 +1,412 @@
/* ----------------------------------------------------------------------------
* -- _____ ______ _____ -
* -- |_ _| | ____|/ ____| -
* -- | | _ __ | |__ | (___ Institute of Embedded Systems -
* -- | | | '_ \| __| \___ \ Zurich University of -
* -- _| |_| | | | |____ ____) | Applied Sciences -
* -- |_____|_| |_|______|_____/ 8401 Winterthur, Switzerland -
* ------------------------------------------------------------------------- */
/**
* \brief Implementation of module hal_gpio.
*
* The hardware abstraction layer for the GPIO periphery.
*
* $Id$
* ------------------------------------------------------------------------- */
/* User includes */
#include "hal_gpio.h"
/* -- Macros
* ------------------------------------------------------------------------- */
#define NVIC_OFFSET_1_4 ( 6u)
#define NVIC_OFFSET_5_9 (23u)
#define NVIC_OFFSET_10_15 ( 8u)
/* -- Local function declarations
* ------------------------------------------------------------------------- */
static uint32_t create_pattern_mask(uint16_t pins,
uint8_t pattern,
uint8_t pattern_bit_width);
static uint16_t intercept_overwrite_register(reg_gpio_t *port, uint16_t pins);
static uint8_t get_syscfg_mask(reg_gpio_t *port);
/* -- Public function definitions
* ------------------------------------------------------------------------- */
/*
* See header file
*/
void hal_gpio_reset(reg_gpio_t *port)
{
if(port == GPIOA) {
/* Reset GPIOA specific values */
port->MODER = 0xa8000000;
port->OSPEEDR = 0x00000000;
port->PUPDR = 0x64000000;
}
else if (port == GPIOB) {
/* Reset GPIOB specific values */
port->MODER = 0x00000280;
port->OSPEEDR = 0x000000c0;
port->PUPDR = 0x00000100;
} else {
/* Reset other GPIO */
port->MODER = 0x00000000;
port->OSPEEDR = 0x00000000;
port->PUPDR = 0x00000000;
}
port->OTYPER = 0x00000000;
port->AFRL = 0x00000000;
port->AFRH = 0x00000000;
port->ODR = 0x00000000;
}
/*
* See header file
*/
void hal_gpio_init_input(reg_gpio_t *port, hal_gpio_input_t init)
{
/* prevent overwrite false reg entry */
init.pins = intercept_overwrite_register(port, init.pins);
/* process mode */
port->MODER &= ~create_pattern_mask(init.pins, 0x3, 2u);
port->MODER |= create_pattern_mask(init.pins, HAL_GPIO_MODE_IN, 2u);
/* process pull up/down resitors */
port->PUPDR &= ~create_pattern_mask(init.pins, 0x3, 2u);
port->PUPDR |= create_pattern_mask(init.pins, init.pupd, 2u);
}
/*
* See header file
*/
void hal_gpio_init_analog(reg_gpio_t *port, hal_gpio_input_t init)
{
/* treat like input */
hal_gpio_init_input(port, init);
/* change mode */
port->MODER &= ~create_pattern_mask(init.pins, 0x3, 2u);
port->MODER |= create_pattern_mask(init.pins, HAL_GPIO_MODE_AN, 2u);
}
/*
* See header file
*/
void hal_gpio_init_output(reg_gpio_t *port, hal_gpio_output_t init)
{
/* prevent overwrite false reg entry */
init.pins = intercept_overwrite_register(port, init.pins);
/* process mode */
port->MODER &= ~create_pattern_mask(init.pins, 0x3, 2u);
port->MODER |= create_pattern_mask(init.pins, HAL_GPIO_MODE_OUT, 2u);
/* process pull up/down resitors */
port->PUPDR &= ~create_pattern_mask(init.pins, 0x3, 2u);
port->PUPDR |= create_pattern_mask(init.pins, init.pupd, 2u);
/* process port speed */
port->OSPEEDR &= ~create_pattern_mask(init.pins, 0x3, 2u);
port->OSPEEDR |= create_pattern_mask(init.pins, init.out_speed, 2u);
/* process output typ */
port->OTYPER &= ~init.pins;
if(init.out_type == HAL_GPIO_OUT_TYPE_OD){
port->OTYPER |= init.pins;
}
}
/*
* See header file
*/
void hal_gpio_init_alternate(reg_gpio_t *port,
hal_gpio_af_t af_mode,
hal_gpio_output_t init)
{
/* treat like output */
hal_gpio_init_output(port, init);
/* change mode */
port->MODER &= ~create_pattern_mask(init.pins, 0x3, 2u);
port->MODER |= create_pattern_mask(init.pins, HAL_GPIO_MODE_AF, 2u);
/* process af type */
port->AFRL &= ~create_pattern_mask(init.pins, 0xf, 4u);
port->AFRL |= create_pattern_mask(init.pins, af_mode, 4u);
port->AFRH &= ~create_pattern_mask((init.pins >> 8), 0xf, 4u);
port->AFRH |= create_pattern_mask((init.pins >> 8), af_mode, 4u);
}
/*
* See header file
*/
uint16_t hal_gpio_input_read(reg_gpio_t *port)
{
return (uint16_t) port->IDR;
}
/*
* See header file
*/
uint16_t hal_gpio_output_read(reg_gpio_t *port)
{
return (uint16_t) port->ODR;
}
/*
* See header file
*/
void hal_gpio_output_write(reg_gpio_t *port, uint16_t port_value)
{
/* prevent overwrite false reg entry */
port_value = intercept_overwrite_register(port, port_value);
port->ODR = port_value;
}
/*
* See header file
*/
void hal_gpio_bit_set(reg_gpio_t *port, uint16_t pins)
{
/* prevent overwrite false reg entry */
pins = intercept_overwrite_register(port, pins);
/* exit if no pins to be configured */
if (pins != 0) {
port->BSRR = pins;
}
}
/*
* See header file
*/
void hal_gpio_bit_reset(reg_gpio_t *port, uint16_t pins)
{
/* prevent overwrite false reg entry */
pins = intercept_overwrite_register(port, pins);
/* exit if no pins to be configured */
if (pins != 0) {
port->BSRR = (pins << 16);
}
}
/*
* See header file
*/
void hal_gpio_bit_toggle(reg_gpio_t *port, uint16_t pins)
{
uint16_t pattern;
/* prevent overwrite false reg entry */
pins = intercept_overwrite_register(port, pins);
/* exit if no pins to be configured */
if (pins != 0) {
/* get actual value and invert */
pattern = hal_gpio_output_read(port);
pattern = ~pattern;
/* mask pins */
pattern &= pins;
port->ODR = pattern;
}
}
/*
* See header file
*/
void hal_gpio_irq_set(reg_gpio_t *port,
uint16_t pins,
hal_gpio_trg_t edge,
hal_bool_t status)
{
uint8_t syscfg_bank, nvic_bank, syscfg_shift, exti_line;
uint32_t exticr_mask;
for (exti_line = 0u; exti_line < 16u; exti_line++) {
if (pins & (0x1 << exti_line)) {
syscfg_bank = exti_line / 4u;
syscfg_shift = exti_line % 4u;
nvic_bank = (exti_line < 10u) ? 0u : 1u;
if (status == ENABLE) {
/* Trigger (rising/falling/both) */
if (edge & HAL_GPIO_TRG_POS) {
EXTI->RTSR |= (0x1 << exti_line);
}
if (edge & HAL_GPIO_TRG_NEG) {
EXTI->FTSR |= (0x1 << exti_line);
}
/* Set EXTI line to corresponding GPIO port */
exticr_mask = get_syscfg_mask(port);
if (syscfg_bank == 0u) {
SYSCFG->EXTICR1 &= ~(0xf << syscfg_shift);
SYSCFG->EXTICR1 |= (exticr_mask << syscfg_shift);
} else if (syscfg_bank == 1u) {
SYSCFG->EXTICR2 &= ~(0xf << syscfg_shift);
SYSCFG->EXTICR2 |= (exticr_mask << syscfg_shift);
} else if (syscfg_bank == 2u) {
SYSCFG->EXTICR3 &= ~(0xf << syscfg_shift);
SYSCFG->EXTICR3 |= (exticr_mask << syscfg_shift);
} else if (syscfg_bank == 3u) {
SYSCFG->EXTICR4 &= ~(0xf << syscfg_shift);
SYSCFG->EXTICR4 |= (exticr_mask << syscfg_shift);
}
/* Unmask interrupt */
EXTI->IMR |= (0x1 << exti_line);
if (nvic_bank == 0u) {
NVIC->ISER0 |= ((exti_line < 5u) ? (0x1 << (exti_line + NVIC_OFFSET_1_4)) :
(exti_line < 10u) ? NVIC_OFFSET_5_9 : NVIC_OFFSET_10_15);
} else if (nvic_bank == 1u) {
NVIC->ISER1 |= ((exti_line < 5u) ? (0x1 << (exti_line + NVIC_OFFSET_1_4)) :
(exti_line < 10u) ? NVIC_OFFSET_5_9 : NVIC_OFFSET_10_15);
} else if (nvic_bank == 2u) {
NVIC->ISER2 |= ((exti_line < 5u) ? (0x1 << (exti_line + NVIC_OFFSET_1_4)) :
(exti_line < 10u) ? NVIC_OFFSET_5_9 : NVIC_OFFSET_10_15);
}
} else {
/* Mask interrupt */
EXTI->IMR &= ~(0x1 << exti_line);
if (nvic_bank == 0u) {
NVIC->ICER0 |= ((exti_line < 5u) ? (0x1 << (exti_line + NVIC_OFFSET_1_4)) :
(exti_line < 10u) ? NVIC_OFFSET_5_9 : NVIC_OFFSET_10_15);
} else if (nvic_bank == 1u) {
NVIC->ICER1 |= ((exti_line < 5u) ? (0x1 << (exti_line + NVIC_OFFSET_1_4)) :
(exti_line < 10u) ? NVIC_OFFSET_5_9 : NVIC_OFFSET_10_15);
} else if (nvic_bank == 2u) {
NVIC->ICER2 |= ((exti_line < 5u) ? (0x1 << (exti_line + NVIC_OFFSET_1_4)) :
(exti_line < 10u) ? NVIC_OFFSET_5_9 : NVIC_OFFSET_10_15);
}
}
}
}
}
/*
* See header file
*/
hal_bool_t hal_gpio_irq_status(uint16_t pin)
{
hal_bool_t status = DISABLED;
if ((EXTI->IMR && pin) &&
(EXTI->PR && pin)) {
status = ENABLED;
}
return status;
}
/*
* See header file
*/
void hal_gpio_irq_clear(uint16_t pin)
{
EXTI->PR |= pin;
}
/* -- Local function definitions
* ------------------------------------------------------------------------- */
/**
* \brief Creates a pattern based on specified pins.
*
* example: pins = 1,3,4 (0x001a) / pattern = 0x2 (2 bit wide)
* ==> pattern = 0x0000'0288
*
* 0b0..0'0001'1010 / 0b10 (2 bit wide)
* ^ ^ ^
* ==> 0b0..0'00010'1000'1000
* ^^ ^^ ^^
*
* pattern_bit_width must be 2 or 4
*/
static uint32_t create_pattern_mask(uint16_t pins,
uint8_t pattern,
uint8_t pattern_bit_width)
{
const uint8_t mask_bit_width = 32u;
const uint16_t pin1_mask = 1u;
uint8_t pos, end;
uint32_t mask = 0u;
if (pattern_bit_width == 2u || pattern_bit_width == 4u) {
/* create pattern mask */
end = mask_bit_width / pattern_bit_width;
for (pos = 0; pos < end; pos++) {
if (pins & pin1_mask) {
mask |= pattern << (pos * pattern_bit_width);
}
pins >>= 1;
}
} else {
/* exit if pattern_bit_width not as needed */
mask = 0u;
}
return mask;
}
/**
* \brief This function ensures that these sensitive pins are not reconfigured.
*
* On GPIOA and GPIOB only pins 11 down to 0 are available to the user.
* Pins 15 down to 12 are used for system functions of the discovery board,
* e.g. connection of the debugger.
* These pins must not be reconfigured. Otherwise the debugger cannot be used any more.
*/
static uint16_t intercept_overwrite_register(reg_gpio_t *port, uint16_t pins){
if (port == GPIOA || port == GPIOB){
pins &= 0x0FFF;
}
return pins;
}
/**
* \brief Returns mask for configuration of SYSCFG_EXTICR register.
* \param port : Port of which the mask should be generated.
* \return Mask for specified port.
*/
static uint8_t get_syscfg_mask(reg_gpio_t *port)
{
return ((port == GPIOA) ? 0u :
(port == GPIOB) ? 1u :
(port == GPIOC) ? 2u :
(port == GPIOD) ? 3u :
(port == GPIOE) ? 4u :
(port == GPIOF) ? 5u :
(port == GPIOG) ? 6u :
(port == GPIOH) ? 7u :
(port == GPIOI) ? 8u :
(port == GPIOJ) ? 9u : 10u);
}
@@ -0,0 +1,132 @@
/* ----------------------------------------------------------------------------
* -- _____ ______ _____ -
* -- |_ _| | ____|/ ____| -
* -- | | _ __ | |__ | (___ Institute of Embedded Systems -
* -- | | | '_ \| __| \___ \ Zurich University of -
* -- _| |_| | | | |____ ____) | Applied Sciences -
* -- |_____|_| |_|______|_____/ 8401 Winterthur, Switzerland -
* ------------------------------------------------------------------------- */
/**
* \brief Implementation of module hal_pwr.
*
* The hardware abstraction layer for the power control unit.
*
* $Id$
* ------------------------------------------------------------------------- */
/* User includes */
#include "hal_pwr.h"
#include "reg_stm32f4xx.h"
/* -- Macros
* ------------------------------------------------------------------------- */
#define TIME_OUT 0x1000
#define MASK_PERIPH_PWR (1u << 28u)
/* -- Public function definitions
* ------------------------------------------------------------------------- */
/*
* See header file
*/
void hal_pwr_reset(void)
{
/* Reset peripheral */
PWR->CR = 0x0000c000;
PWR->CSR = 0x00000000;
}
/*
* See header file
*/
hal_bool_t hal_pwr_set_backup_domain(hal_bool_t status)
{
uint16_t count = 0;
uint32_t reg = 0;
if (status == DISABLE) {
/* Disable backup domain / regulator */
PWR->CSR &= ~(1u << 9u);
return DISABLED;
}
/* Enable backup domain / regulator */
PWR->CSR |= (1u << 9u);
/* Wait till regulator is ready and if time out is reached exit */
reg = PWR->CSR & (1u << 3u);
while ((reg == 0) && (count != TIME_OUT)) {
reg = PWR->CSR & (1u << 3u);
count++;
}
/* Return */
if (reg != 0) {
return ENABLED;
}
return DISABLED;
}
/*
* See header file
*/
void hal_pwr_set_backup_access(hal_bool_t status)
{
if (status == DISABLE) {
PWR->CR &= ~(1u << 8u);
} else {
PWR->CR |= (1u << 8u);
}
}
/*
* See header file
*/
void hal_pwr_set_wakeup_pin(hal_bool_t status)
{
if (status == DISABLE) {
PWR->CSR &= ~(1u << 8u);
} else {
PWR->CSR |= (1u << 8u);
}
}
/*
* See header file
*/
void hal_pwr_set_flash_powerdown(hal_bool_t status)
{
if (status == DISABLE) {
PWR->CR &= ~(1u << 9u);
} else {
PWR->CR |= (1u << 9u);
}
}
/*
* See header file
*/
hal_bool_t hal_pwr_set_overdrive(hal_bool_t status)
{
/* Is this realy nedded ?
Extend clock to 180 MHz if HSI/HSE is used, but pll ? */
return DISABLED;
}
/*
* See header file
*/
hal_bool_t hal_pwr_set_underdrive(hal_bool_t status)
{
/* Is this realy nedded ? */
return DISABLED;
}
@@ -0,0 +1,347 @@
/* ----------------------------------------------------------------------------
* -- _____ ______ _____ -
* -- |_ _| | ____|/ ____| -
* -- | | _ __ | |__ | (___ Institute of Embedded Systems -
* -- | | | '_ \| __| \___ \ Zurich University of -
* -- _| |_| | | | |____ ____) | Applied Sciences -
* -- |_____|_| |_|______|_____/ 8401 Winterthur, Switzerland -
* ------------------------------------------------------------------------- */
/**
* \brief Implementation of module hal_rcc.
*
* The hardware abstraction layer for the reset and clock control unit.
*
* $Id$
* ------------------------------------------------------------------------- */
/* User includes */
#include "hal_rcc.h"
#include "reg_stm32f4xx.h"
/* -- Macros
* ------------------------------------------------------------------------- */
#define TIME_OUT 0x5000
/* -- Public function definitions
* ------------------------------------------------------------------------- */
/*
* See header file
*/
void hal_rcc_reset(void)
{
/* Set RCC->CR to default values */
RCC->CR |= 0x00000001; // Set HSION bit first -> keep cpu running
RCC->CR &= 0xeaf6ffff; // Reset HSEON, CSSON, PLLON, PLLI2S,
// PLLSAI bits (STM32F42xx/43xx)
RCC->CR &= 0xfffbffff; // Reset HSEBYP bit
/* Reset RCC->CFGR to default values */
RCC->CFGR = 0u;
/* Reset RCC->PLLxCFGR to default values */
RCC->PLLCFGR = 0x24003010;
RCC->PLLI2SCFGR = 0x20003000;
RCC->PLLSAICFGR = 0x24003000; // only STM32F42xx/43xx)
/* Disable all interrupts */
RCC->CIR = 0u;
/* Disable all peripherals */
RCC->AHB1RSTR = 0u;
RCC->AHB2RSTR = 0u;
RCC->AHB3RSTR = 0u;
RCC->APB1RSTR = 0u;
RCC->APB2RSTR = 0u;
RCC->AHB1ENR = 0x00100000;
RCC->AHB2ENR = 0u;
RCC->AHB3ENR = 0u;
RCC->APB1ENR = 0u;
RCC->APB2ENR = 0u;
RCC->AHB1LPENR = 0x7e6791ff;
RCC->AHB2LPENR = 0x000000f1;
RCC->AHB3LPENR = 0x00000001;
RCC->APB1LPENR = 0x36fec9ff;
RCC->APB2LPENR = 0x00075f33;
/* Reset forgotten registers */
RCC->BDCR = 0u;
RCC->CSR = 0x0e000000;
RCC->SSCGR = 0u;
RCC->DCKCFGR = 0u;
}
/*
* See header file
*/
void hal_rcc_set_peripheral(hal_peripheral_t peripheral, hal_bool_t status)
{
volatile uint32_t *reg;
uint32_t bit_pos;
/* Select correct enable register */
switch (peripheral) {
/* AHB1 */
case PER_GPIOA:
bit_pos = 0u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOB:
bit_pos = 1u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOC:
bit_pos = 2u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOD:
bit_pos = 3u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOE:
bit_pos = 4u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOF:
bit_pos = 5u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOG:
bit_pos = 6u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOH:
bit_pos = 7u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOI:
bit_pos = 8u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOJ:
bit_pos = 9u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOK:
bit_pos = 10u;
reg = &RCC->AHB1ENR;
break;
case PER_DMA1:
bit_pos = 21u;
reg = &RCC->AHB1ENR;
break;
case PER_DMA2:
bit_pos = 22u;
reg = &RCC->AHB1ENR;
break;
/* AHB3 */
case PER_FMC:
bit_pos = 0u;
reg = &RCC->AHB3ENR;
break;
/* APB1 */
case PER_DAC:
bit_pos = 29u;
reg = &RCC->APB1ENR;
break;
case PER_PWR:
bit_pos = 28u;
reg = &RCC->APB1ENR;
break;
case PER_TIM2:
bit_pos = 0u;
reg = &RCC->APB1ENR;
break;
case PER_TIM3:
bit_pos = 1u;
reg = &RCC->APB1ENR;
break;
case PER_TIM4:
bit_pos = 2u;
reg = &RCC->APB1ENR;
break;
case PER_TIM5:
bit_pos = 3u;
reg = &RCC->APB1ENR;
break;
/* APB2 */
case PER_ADC1:
bit_pos = 8u;
reg = &RCC->APB2ENR;
break;
case PER_ADC2:
bit_pos = 9u;
reg = &RCC->APB2ENR;
break;
case PER_ADC3:
bit_pos = 10u;
reg = &RCC->APB2ENR;
break;
default:
return;
}
if (status == DISABLE) {
*reg &= ~(1u << bit_pos);
} else {
*reg |= (1u << bit_pos);
}
}
/*
* See header file
*/
hal_bool_t hal_rcc_set_osc(hal_rcc_osc_t source, hal_bool_t status)
{
uint32_t reg = 0;
uint32_t count = 0;
/* Disable source */
if (status == DISABLE) {
RCC->CR &= ~(1u << source);
return DISABLED;
}
/* If pll, check if source is ok */
if (source == HAL_RCC_OSC_PLL ||
source == HAL_RCC_OSC_PLLI2S ||
source == HAL_RCC_OSC_PLLSAI)
{
reg = RCC->CR;
/* HSE */
if (RCC->PLLCFGR & ~(1u << 22u)) {
reg &= (1u << (HAL_RCC_OSC_HSE + 1u));
}
/* HSI */
else {
reg &= (1u << (HAL_RCC_OSC_HSI + 1u));
}
/* Return if source is not ok */
if (!reg) {
return DISABLED;
}
}
/* Enable source */
RCC->CR |= (1u << source);
/* Wait till source is ready and if time out is reached exit */
reg = RCC->CR & (1u << (source + 1u));
while ((reg == 0) && (count != TIME_OUT)) {
reg = RCC->CR & (1u << (source + 1u));
count++;
}
/* Return */
if (reg != 0) {
return ENABLED;
}
return DISABLED;
}
/*
* See header file
*/
void hal_rcc_setup_pll(hal_rcc_osc_t pll, hal_rcc_pll_init_t init)
{
/* Input check */
if (init.m_divider < 2u) init.m_divider = 2u;
if (init.n_factor < 2u) init.n_factor = 2u;
if (init.n_factor > 432u) init.n_factor = 432u;
if (init.p_divider > 8u) init.p_divider = 8u;
if (init.q_divider < 2u) init.q_divider = 2u;
init.r_divider &= 0x07;
/* Set source or return if invalid */
if (init.source == HAL_RCC_OSC_HSI) {
RCC->PLLCFGR &= ~(1u << 22u);
} else if (init.source == HAL_RCC_OSC_HSE) {
RCC->PLLCFGR |= (1u << 22u);
} else {
return;
}
/* Set pll preescaler */
RCC->PLLCFGR &= ~(0x3f);
RCC->PLLCFGR |= init.m_divider;
/* Configure pll */
switch (pll) {
case HAL_RCC_OSC_PLL:
RCC->PLLCFGR &= ~0x0f037fc0;
RCC->PLLCFGR |= (init.n_factor << 6u);
RCC->PLLCFGR |= (((init.p_divider - 1) >> 1u) << 16u);
RCC->PLLCFGR |= (init.q_divider << 24u);
break;
case HAL_RCC_OSC_PLLI2S:
RCC->PLLI2SCFGR &= ~0x7f007fc0;
RCC->PLLI2SCFGR |= (init.n_factor << 6u);
RCC->PLLI2SCFGR |= (init.q_divider << 24u);
RCC->PLLI2SCFGR |= (init.r_divider << 28u);
break;
/* case HAL_RCC_OSC_PLLSAI:
RCC->PLLSAICFGR &= ~0x7f007fc0;
RCC->PLLSAICFGR |= (init.n_factor << 6u);
RCC->PLLSAICFGR |= (init.q_divider << 24u);
RCC->PLLSAICFGR |= (init.r_divider << 28u);
break;
*/
default:
break;
}
}
/*
* See header file
*/
void hal_rcc_setup_clock(hal_rcc_clk_init_t init)
{
uint32_t reg = 0;
/* Configure clock divider */
RCC->CFGR &= ~0x0000fcf0;
RCC->CFGR |= (init.hpre << 4u);
RCC->CFGR |= (init.ppre1 << 10u);
RCC->CFGR |= (init.ppre2 << 13u);
/* Select system clock source */
RCC->CFGR &= ~0x00000003;
switch (init.osc) {
default:
case HAL_RCC_OSC_HSI:
reg = 0u;
break;
case HAL_RCC_OSC_HSE:
reg = 1u;
break;
case HAL_RCC_OSC_PLL:
reg = 2u;
break;
}
RCC->CFGR |= reg;
#ifndef TESTING
/* Wait till system clock is selected */
while ((RCC->CFGR & 0x0000000c) != (reg << 2u));
#endif
}
@@ -0,0 +1,143 @@
/* ----------------------------------------------------------------------------
* -- _____ ______ _____ -
* -- |_ _| | ____|/ ____| -
* -- | | _ __ | |__ | (___ Institute of Embedded Systems -
* -- | | | '_ \| __| \___ \ Zurich University of -
* -- _| |_| | | | |____ ____) | Applied Sciences -
* -- |_____|_| |_|______|_____/ 8401 Winterthur, Switzerland -
* ------------------------------------------------------------------------- */
/**
* \brief Implementation of module hal_fmc.
*
* The hardware abstraction layer for the memory controller.
*
* $Id$
* ------------------------------------------------------------------------- */
/* User includes */
#include "hal_fmc.h"
#include "reg_stm32f4xx.h"
/* -- Macros
* ------------------------------------------------------------------------- */
#define MASK_PERIPH_FMC (0x00000001)
#define MASK_SRAM_ENABLE (0x00000001)
/* -- Public function definitions
* ------------------------------------------------------------------------- */
/*
* See header file
*/
void hal_fmc_reset(hal_fmc_bank_t bank)
{
switch (bank) {
default:
case HAL_FMC_SRAM_BANK1:
FMC->SRAM.BCR1 = 0x000030db;
FMC->SRAM.BTR1 = 0x0fffffff;
break;
case HAL_FMC_SRAM_BANK2:
FMC->SRAM.BCR2 = 0x000030d2;
FMC->SRAM.BTR2 = 0x0fffffff;
break;
case HAL_FMC_SRAM_BANK3:
FMC->SRAM.BCR3 = 0x000030d2;
FMC->SRAM.BTR3 = 0x0fffffff;
break;
case HAL_FMC_SRAM_BANK4:
FMC->SRAM.BCR4 = 0x000030d2;
FMC->SRAM.BTR4 = 0x0fffffff;
break;
}
}
/*
* See header file
*/
void hal_fmc_init_sram(hal_fmc_bank_t bank,
hal_fmc_sram_init_t init,
hal_fmc_sram_timing_t timing)
{
uint32_t reg_cr = 0, reg_tr = 0;
/* Input check */
timing.address_setup &= 0xf;
timing.address_hold &= 0xf;
if (timing.address_hold < 1u) timing.address_hold = 1u;
timing.data_setup &= 0xff;
if (timing.data_setup < 1u) timing.data_setup = 1u;
timing.bus_turnaround &= 0xf;
/* Input check clock divider (2..16) */
if (timing.clk_divider > 16u) timing.clk_divider = 16u;
if (timing.clk_divider < 2u) timing.clk_divider = 2u;
timing.clk_divider -= 1u; // 0b0001 -> clk / 2
/* Input check data latency (2..17) */
if (timing.data_latency > 17u) timing.data_latency = 17u;
if (timing.data_latency < 2u) timing.data_latency = 2u;
timing.data_latency -= 2u; // 0b0000 -> latency = 2
/* Process boolean parameter */
if (init.address_mux == ENABLE) reg_cr |= (1u << 1u);
if (init.read_burst == ENABLE) reg_cr |= (1u << 8u);
if (init.write_enable == ENABLE) reg_cr |= (1u << 12u);
if (init.write_burst == ENABLE) reg_cr |= (1u << 19u);
if (init.continous_clock == ENABLE) reg_cr |= (1u << 20u);
/* Process non boolean parameter */
reg_cr |= (init.type << 2u);
reg_cr |= (init.width << 4u);
/* Process timing for async. SRAM */
if (init.type == HAL_FMC_TYPE_SRAM) {
reg_tr |= (timing.address_setup << 0u);
reg_tr |= (timing.address_hold << 4u);
reg_tr |= (timing.data_setup << 8u);
reg_tr |= (timing.mode << 28u);
}
/* Process timing for sync. PSRAM */
else if (init.type == HAL_FMC_TYPE_PSRAM) {
reg_tr |= (timing.clk_divider << 20u);
reg_tr |= (timing.data_latency << 24u);
}
/* Process bus turnaround time */
reg_tr |= (timing.bus_turnaround << 16u);
/* Write register */
switch (bank) {
default:
case HAL_FMC_SRAM_BANK1:
FMC->SRAM.BCR1 = reg_cr;
FMC->SRAM.BTR1 = reg_tr;
FMC->SRAM.BCR1 |= MASK_SRAM_ENABLE;
break;
case HAL_FMC_SRAM_BANK2:
FMC->SRAM.BCR2 = reg_cr;
FMC->SRAM.BTR2 = reg_tr;
FMC->SRAM.BCR2 |= MASK_SRAM_ENABLE;
break;
case HAL_FMC_SRAM_BANK3:
FMC->SRAM.BCR3 = reg_cr;
FMC->SRAM.BTR3 = reg_tr;
FMC->SRAM.BCR3 |= MASK_SRAM_ENABLE;
break;
case HAL_FMC_SRAM_BANK4:
FMC->SRAM.BCR4 = reg_cr;
FMC->SRAM.BTR4 = reg_tr;
FMC->SRAM.BCR4 |= MASK_SRAM_ENABLE;
break;
}
}
@@ -0,0 +1,412 @@
/* ----------------------------------------------------------------------------
* -- _____ ______ _____ -
* -- |_ _| | ____|/ ____| -
* -- | | _ __ | |__ | (___ Institute of Embedded Systems -
* -- | | | '_ \| __| \___ \ Zurich University of -
* -- _| |_| | | | |____ ____) | Applied Sciences -
* -- |_____|_| |_|______|_____/ 8401 Winterthur, Switzerland -
* ------------------------------------------------------------------------- */
/**
* \brief Implementation of module hal_gpio.
*
* The hardware abstraction layer for the GPIO periphery.
*
* $Id$
* ------------------------------------------------------------------------- */
/* User includes */
#include "hal_gpio.h"
/* -- Macros
* ------------------------------------------------------------------------- */
#define NVIC_OFFSET_1_4 ( 6u)
#define NVIC_OFFSET_5_9 (23u)
#define NVIC_OFFSET_10_15 ( 8u)
/* -- Local function declarations
* ------------------------------------------------------------------------- */
static uint32_t create_pattern_mask(uint16_t pins,
uint8_t pattern,
uint8_t pattern_bit_width);
static uint16_t intercept_overwrite_register(reg_gpio_t *port, uint16_t pins);
static uint8_t get_syscfg_mask(reg_gpio_t *port);
/* -- Public function definitions
* ------------------------------------------------------------------------- */
/*
* See header file
*/
void hal_gpio_reset(reg_gpio_t *port)
{
if(port == GPIOA) {
/* Reset GPIOA specific values */
port->MODER = 0xa8000000;
port->OSPEEDR = 0x00000000;
port->PUPDR = 0x64000000;
}
else if (port == GPIOB) {
/* Reset GPIOB specific values */
port->MODER = 0x00000280;
port->OSPEEDR = 0x000000c0;
port->PUPDR = 0x00000100;
} else {
/* Reset other GPIO */
port->MODER = 0x00000000;
port->OSPEEDR = 0x00000000;
port->PUPDR = 0x00000000;
}
port->OTYPER = 0x00000000;
port->AFRL = 0x00000000;
port->AFRH = 0x00000000;
port->ODR = 0x00000000;
}
/*
* See header file
*/
void hal_gpio_init_input(reg_gpio_t *port, hal_gpio_input_t init)
{
/* prevent overwrite false reg entry */
init.pins = intercept_overwrite_register(port, init.pins);
/* process mode */
port->MODER &= ~create_pattern_mask(init.pins, 0x3, 2u);
port->MODER |= create_pattern_mask(init.pins, HAL_GPIO_MODE_IN, 2u);
/* process pull up/down resitors */
port->PUPDR &= ~create_pattern_mask(init.pins, 0x3, 2u);
port->PUPDR |= create_pattern_mask(init.pins, init.pupd, 2u);
}
/*
* See header file
*/
void hal_gpio_init_analog(reg_gpio_t *port, hal_gpio_input_t init)
{
/* treat like input */
hal_gpio_init_input(port, init);
/* change mode */
port->MODER &= ~create_pattern_mask(init.pins, 0x3, 2u);
port->MODER |= create_pattern_mask(init.pins, HAL_GPIO_MODE_AN, 2u);
}
/*
* See header file
*/
void hal_gpio_init_output(reg_gpio_t *port, hal_gpio_output_t init)
{
/* prevent overwrite false reg entry */
init.pins = intercept_overwrite_register(port, init.pins);
/* process mode */
port->MODER &= ~create_pattern_mask(init.pins, 0x3, 2u);
port->MODER |= create_pattern_mask(init.pins, HAL_GPIO_MODE_OUT, 2u);
/* process pull up/down resitors */
port->PUPDR &= ~create_pattern_mask(init.pins, 0x3, 2u);
port->PUPDR |= create_pattern_mask(init.pins, init.pupd, 2u);
/* process port speed */
port->OSPEEDR &= ~create_pattern_mask(init.pins, 0x3, 2u);
port->OSPEEDR |= create_pattern_mask(init.pins, init.out_speed, 2u);
/* process output typ */
port->OTYPER &= ~init.pins;
if(init.out_type == HAL_GPIO_OUT_TYPE_OD){
port->OTYPER |= init.pins;
}
}
/*
* See header file
*/
void hal_gpio_init_alternate(reg_gpio_t *port,
hal_gpio_af_t af_mode,
hal_gpio_output_t init)
{
/* treat like output */
hal_gpio_init_output(port, init);
/* change mode */
port->MODER &= ~create_pattern_mask(init.pins, 0x3, 2u);
port->MODER |= create_pattern_mask(init.pins, HAL_GPIO_MODE_AF, 2u);
/* process af type */
port->AFRL &= ~create_pattern_mask(init.pins, 0xf, 4u);
port->AFRL |= create_pattern_mask(init.pins, af_mode, 4u);
port->AFRH &= ~create_pattern_mask((init.pins >> 8), 0xf, 4u);
port->AFRH |= create_pattern_mask((init.pins >> 8), af_mode, 4u);
}
/*
* See header file
*/
uint16_t hal_gpio_input_read(reg_gpio_t *port)
{
return (uint16_t) port->IDR;
}
/*
* See header file
*/
uint16_t hal_gpio_output_read(reg_gpio_t *port)
{
return (uint16_t) port->ODR;
}
/*
* See header file
*/
void hal_gpio_output_write(reg_gpio_t *port, uint16_t port_value)
{
/* prevent overwrite false reg entry */
port_value = intercept_overwrite_register(port, port_value);
port->ODR = port_value;
}
/*
* See header file
*/
void hal_gpio_bit_set(reg_gpio_t *port, uint16_t pins)
{
/* prevent overwrite false reg entry */
pins = intercept_overwrite_register(port, pins);
/* exit if no pins to be configured */
if (pins != 0) {
port->BSRR = pins;
}
}
/*
* See header file
*/
void hal_gpio_bit_reset(reg_gpio_t *port, uint16_t pins)
{
/* prevent overwrite false reg entry */
pins = intercept_overwrite_register(port, pins);
/* exit if no pins to be configured */
if (pins != 0) {
port->BSRR = (pins << 16);
}
}
/*
* See header file
*/
void hal_gpio_bit_toggle(reg_gpio_t *port, uint16_t pins)
{
uint16_t pattern;
/* prevent overwrite false reg entry */
pins = intercept_overwrite_register(port, pins);
/* exit if no pins to be configured */
if (pins != 0) {
/* get actual value and invert */
pattern = hal_gpio_output_read(port);
pattern = ~pattern;
/* mask pins */
pattern &= pins;
port->ODR = pattern;
}
}
/*
* See header file
*/
void hal_gpio_irq_set(reg_gpio_t *port,
uint16_t pins,
hal_gpio_trg_t edge,
hal_bool_t status)
{
uint8_t syscfg_bank, nvic_bank, syscfg_shift, exti_line;
uint32_t exticr_mask;
for (exti_line = 0u; exti_line < 16u; exti_line++) {
if (pins & (0x1 << exti_line)) {
syscfg_bank = exti_line / 4u;
syscfg_shift = exti_line % 4u;
nvic_bank = (exti_line < 10u) ? 0u : 1u;
if (status == ENABLE) {
/* Trigger (rising/falling/both) */
if (edge & HAL_GPIO_TRG_POS) {
EXTI->RTSR |= (0x1 << exti_line);
}
if (edge & HAL_GPIO_TRG_NEG) {
EXTI->FTSR |= (0x1 << exti_line);
}
/* Set EXTI line to corresponding GPIO port */
exticr_mask = get_syscfg_mask(port);
if (syscfg_bank == 0u) {
SYSCFG->EXTICR1 &= ~(0xf << syscfg_shift);
SYSCFG->EXTICR1 |= (exticr_mask << syscfg_shift);
} else if (syscfg_bank == 1u) {
SYSCFG->EXTICR2 &= ~(0xf << syscfg_shift);
SYSCFG->EXTICR2 |= (exticr_mask << syscfg_shift);
} else if (syscfg_bank == 2u) {
SYSCFG->EXTICR3 &= ~(0xf << syscfg_shift);
SYSCFG->EXTICR3 |= (exticr_mask << syscfg_shift);
} else if (syscfg_bank == 3u) {
SYSCFG->EXTICR4 &= ~(0xf << syscfg_shift);
SYSCFG->EXTICR4 |= (exticr_mask << syscfg_shift);
}
/* Unmask interrupt */
EXTI->IMR |= (0x1 << exti_line);
if (nvic_bank == 0u) {
NVIC->ISER0 |= ((exti_line < 5u) ? (0x1 << (exti_line + NVIC_OFFSET_1_4)) :
(exti_line < 10u) ? NVIC_OFFSET_5_9 : NVIC_OFFSET_10_15);
} else if (nvic_bank == 1u) {
NVIC->ISER1 |= ((exti_line < 5u) ? (0x1 << (exti_line + NVIC_OFFSET_1_4)) :
(exti_line < 10u) ? NVIC_OFFSET_5_9 : NVIC_OFFSET_10_15);
} else if (nvic_bank == 2u) {
NVIC->ISER2 |= ((exti_line < 5u) ? (0x1 << (exti_line + NVIC_OFFSET_1_4)) :
(exti_line < 10u) ? NVIC_OFFSET_5_9 : NVIC_OFFSET_10_15);
}
} else {
/* Mask interrupt */
EXTI->IMR &= ~(0x1 << exti_line);
if (nvic_bank == 0u) {
NVIC->ICER0 |= ((exti_line < 5u) ? (0x1 << (exti_line + NVIC_OFFSET_1_4)) :
(exti_line < 10u) ? NVIC_OFFSET_5_9 : NVIC_OFFSET_10_15);
} else if (nvic_bank == 1u) {
NVIC->ICER1 |= ((exti_line < 5u) ? (0x1 << (exti_line + NVIC_OFFSET_1_4)) :
(exti_line < 10u) ? NVIC_OFFSET_5_9 : NVIC_OFFSET_10_15);
} else if (nvic_bank == 2u) {
NVIC->ICER2 |= ((exti_line < 5u) ? (0x1 << (exti_line + NVIC_OFFSET_1_4)) :
(exti_line < 10u) ? NVIC_OFFSET_5_9 : NVIC_OFFSET_10_15);
}
}
}
}
}
/*
* See header file
*/
hal_bool_t hal_gpio_irq_status(uint16_t pin)
{
hal_bool_t status = DISABLED;
if ((EXTI->IMR && pin) &&
(EXTI->PR && pin)) {
status = ENABLED;
}
return status;
}
/*
* See header file
*/
void hal_gpio_irq_clear(uint16_t pin)
{
EXTI->PR |= pin;
}
/* -- Local function definitions
* ------------------------------------------------------------------------- */
/**
* \brief Creates a pattern based on specified pins.
*
* example: pins = 1,3,4 (0x001a) / pattern = 0x2 (2 bit wide)
* ==> pattern = 0x0000'0288
*
* 0b0..0'0001'1010 / 0b10 (2 bit wide)
* ^ ^ ^
* ==> 0b0..0'00010'1000'1000
* ^^ ^^ ^^
*
* pattern_bit_width must be 2 or 4
*/
static uint32_t create_pattern_mask(uint16_t pins,
uint8_t pattern,
uint8_t pattern_bit_width)
{
const uint8_t mask_bit_width = 32u;
const uint16_t pin1_mask = 1u;
uint8_t pos, end;
uint32_t mask = 0u;
if (pattern_bit_width == 2u || pattern_bit_width == 4u) {
/* create pattern mask */
end = mask_bit_width / pattern_bit_width;
for (pos = 0; pos < end; pos++) {
if (pins & pin1_mask) {
mask |= pattern << (pos * pattern_bit_width);
}
pins >>= 1;
}
} else {
/* exit if pattern_bit_width not as needed */
mask = 0u;
}
return mask;
}
/**
* \brief This function ensures that these sensitive pins are not reconfigured.
*
* On GPIOA and GPIOB only pins 11 down to 0 are available to the user.
* Pins 15 down to 12 are used for system functions of the discovery board,
* e.g. connection of the debugger.
* These pins must not be reconfigured. Otherwise the debugger cannot be used any more.
*/
static uint16_t intercept_overwrite_register(reg_gpio_t *port, uint16_t pins){
if (port == GPIOA || port == GPIOB){
pins &= 0x0FFF;
}
return pins;
}
/**
* \brief Returns mask for configuration of SYSCFG_EXTICR register.
* \param port : Port of which the mask should be generated.
* \return Mask for specified port.
*/
static uint8_t get_syscfg_mask(reg_gpio_t *port)
{
return ((port == GPIOA) ? 0u :
(port == GPIOB) ? 1u :
(port == GPIOC) ? 2u :
(port == GPIOD) ? 3u :
(port == GPIOE) ? 4u :
(port == GPIOF) ? 5u :
(port == GPIOG) ? 6u :
(port == GPIOH) ? 7u :
(port == GPIOI) ? 8u :
(port == GPIOJ) ? 9u : 10u);
}
@@ -0,0 +1,132 @@
/* ----------------------------------------------------------------------------
* -- _____ ______ _____ -
* -- |_ _| | ____|/ ____| -
* -- | | _ __ | |__ | (___ Institute of Embedded Systems -
* -- | | | '_ \| __| \___ \ Zurich University of -
* -- _| |_| | | | |____ ____) | Applied Sciences -
* -- |_____|_| |_|______|_____/ 8401 Winterthur, Switzerland -
* ------------------------------------------------------------------------- */
/**
* \brief Implementation of module hal_pwr.
*
* The hardware abstraction layer for the power control unit.
*
* $Id$
* ------------------------------------------------------------------------- */
/* User includes */
#include "hal_pwr.h"
#include "reg_stm32f4xx.h"
/* -- Macros
* ------------------------------------------------------------------------- */
#define TIME_OUT 0x1000
#define MASK_PERIPH_PWR (1u << 28u)
/* -- Public function definitions
* ------------------------------------------------------------------------- */
/*
* See header file
*/
void hal_pwr_reset(void)
{
/* Reset peripheral */
PWR->CR = 0x0000c000;
PWR->CSR = 0x00000000;
}
/*
* See header file
*/
hal_bool_t hal_pwr_set_backup_domain(hal_bool_t status)
{
uint16_t count = 0;
uint32_t reg = 0;
if (status == DISABLE) {
/* Disable backup domain / regulator */
PWR->CSR &= ~(1u << 9u);
return DISABLED;
}
/* Enable backup domain / regulator */
PWR->CSR |= (1u << 9u);
/* Wait till regulator is ready and if time out is reached exit */
reg = PWR->CSR & (1u << 3u);
while ((reg == 0) && (count != TIME_OUT)) {
reg = PWR->CSR & (1u << 3u);
count++;
}
/* Return */
if (reg != 0) {
return ENABLED;
}
return DISABLED;
}
/*
* See header file
*/
void hal_pwr_set_backup_access(hal_bool_t status)
{
if (status == DISABLE) {
PWR->CR &= ~(1u << 8u);
} else {
PWR->CR |= (1u << 8u);
}
}
/*
* See header file
*/
void hal_pwr_set_wakeup_pin(hal_bool_t status)
{
if (status == DISABLE) {
PWR->CSR &= ~(1u << 8u);
} else {
PWR->CSR |= (1u << 8u);
}
}
/*
* See header file
*/
void hal_pwr_set_flash_powerdown(hal_bool_t status)
{
if (status == DISABLE) {
PWR->CR &= ~(1u << 9u);
} else {
PWR->CR |= (1u << 9u);
}
}
/*
* See header file
*/
hal_bool_t hal_pwr_set_overdrive(hal_bool_t status)
{
/* Is this realy nedded ?
Extend clock to 180 MHz if HSI/HSE is used, but pll ? */
return DISABLED;
}
/*
* See header file
*/
hal_bool_t hal_pwr_set_underdrive(hal_bool_t status)
{
/* Is this realy nedded ? */
return DISABLED;
}
@@ -0,0 +1,347 @@
/* ----------------------------------------------------------------------------
* -- _____ ______ _____ -
* -- |_ _| | ____|/ ____| -
* -- | | _ __ | |__ | (___ Institute of Embedded Systems -
* -- | | | '_ \| __| \___ \ Zurich University of -
* -- _| |_| | | | |____ ____) | Applied Sciences -
* -- |_____|_| |_|______|_____/ 8401 Winterthur, Switzerland -
* ------------------------------------------------------------------------- */
/**
* \brief Implementation of module hal_rcc.
*
* The hardware abstraction layer for the reset and clock control unit.
*
* $Id$
* ------------------------------------------------------------------------- */
/* User includes */
#include "hal_rcc.h"
#include "reg_stm32f4xx.h"
/* -- Macros
* ------------------------------------------------------------------------- */
#define TIME_OUT 0x5000
/* -- Public function definitions
* ------------------------------------------------------------------------- */
/*
* See header file
*/
void hal_rcc_reset(void)
{
/* Set RCC->CR to default values */
RCC->CR |= 0x00000001; // Set HSION bit first -> keep cpu running
RCC->CR &= 0xeaf6ffff; // Reset HSEON, CSSON, PLLON, PLLI2S,
// PLLSAI bits (STM32F42xx/43xx)
RCC->CR &= 0xfffbffff; // Reset HSEBYP bit
/* Reset RCC->CFGR to default values */
RCC->CFGR = 0u;
/* Reset RCC->PLLxCFGR to default values */
RCC->PLLCFGR = 0x24003010;
RCC->PLLI2SCFGR = 0x20003000;
RCC->PLLSAICFGR = 0x24003000; // only STM32F42xx/43xx)
/* Disable all interrupts */
RCC->CIR = 0u;
/* Disable all peripherals */
RCC->AHB1RSTR = 0u;
RCC->AHB2RSTR = 0u;
RCC->AHB3RSTR = 0u;
RCC->APB1RSTR = 0u;
RCC->APB2RSTR = 0u;
RCC->AHB1ENR = 0x00100000;
RCC->AHB2ENR = 0u;
RCC->AHB3ENR = 0u;
RCC->APB1ENR = 0u;
RCC->APB2ENR = 0u;
RCC->AHB1LPENR = 0x7e6791ff;
RCC->AHB2LPENR = 0x000000f1;
RCC->AHB3LPENR = 0x00000001;
RCC->APB1LPENR = 0x36fec9ff;
RCC->APB2LPENR = 0x00075f33;
/* Reset forgotten registers */
RCC->BDCR = 0u;
RCC->CSR = 0x0e000000;
RCC->SSCGR = 0u;
RCC->DCKCFGR = 0u;
}
/*
* See header file
*/
void hal_rcc_set_peripheral(hal_peripheral_t peripheral, hal_bool_t status)
{
volatile uint32_t *reg;
uint32_t bit_pos;
/* Select correct enable register */
switch (peripheral) {
/* AHB1 */
case PER_GPIOA:
bit_pos = 0u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOB:
bit_pos = 1u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOC:
bit_pos = 2u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOD:
bit_pos = 3u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOE:
bit_pos = 4u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOF:
bit_pos = 5u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOG:
bit_pos = 6u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOH:
bit_pos = 7u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOI:
bit_pos = 8u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOJ:
bit_pos = 9u;
reg = &RCC->AHB1ENR;
break;
case PER_GPIOK:
bit_pos = 10u;
reg = &RCC->AHB1ENR;
break;
case PER_DMA1:
bit_pos = 21u;
reg = &RCC->AHB1ENR;
break;
case PER_DMA2:
bit_pos = 22u;
reg = &RCC->AHB1ENR;
break;
/* AHB3 */
case PER_FMC:
bit_pos = 0u;
reg = &RCC->AHB3ENR;
break;
/* APB1 */
case PER_DAC:
bit_pos = 29u;
reg = &RCC->APB1ENR;
break;
case PER_PWR:
bit_pos = 28u;
reg = &RCC->APB1ENR;
break;
case PER_TIM2:
bit_pos = 0u;
reg = &RCC->APB1ENR;
break;
case PER_TIM3:
bit_pos = 1u;
reg = &RCC->APB1ENR;
break;
case PER_TIM4:
bit_pos = 2u;
reg = &RCC->APB1ENR;
break;
case PER_TIM5:
bit_pos = 3u;
reg = &RCC->APB1ENR;
break;
/* APB2 */
case PER_ADC1:
bit_pos = 8u;
reg = &RCC->APB2ENR;
break;
case PER_ADC2:
bit_pos = 9u;
reg = &RCC->APB2ENR;
break;
case PER_ADC3:
bit_pos = 10u;
reg = &RCC->APB2ENR;
break;
default:
return;
}
if (status == DISABLE) {
*reg &= ~(1u << bit_pos);
} else {
*reg |= (1u << bit_pos);
}
}
/*
* See header file
*/
hal_bool_t hal_rcc_set_osc(hal_rcc_osc_t source, hal_bool_t status)
{
uint32_t reg = 0;
uint32_t count = 0;
/* Disable source */
if (status == DISABLE) {
RCC->CR &= ~(1u << source);
return DISABLED;
}
/* If pll, check if source is ok */
if (source == HAL_RCC_OSC_PLL ||
source == HAL_RCC_OSC_PLLI2S ||
source == HAL_RCC_OSC_PLLSAI)
{
reg = RCC->CR;
/* HSE */
if (RCC->PLLCFGR & ~(1u << 22u)) {
reg &= (1u << (HAL_RCC_OSC_HSE + 1u));
}
/* HSI */
else {
reg &= (1u << (HAL_RCC_OSC_HSI + 1u));
}
/* Return if source is not ok */
if (!reg) {
return DISABLED;
}
}
/* Enable source */
RCC->CR |= (1u << source);
/* Wait till source is ready and if time out is reached exit */
reg = RCC->CR & (1u << (source + 1u));
while ((reg == 0) && (count != TIME_OUT)) {
reg = RCC->CR & (1u << (source + 1u));
count++;
}
/* Return */
if (reg != 0) {
return ENABLED;
}
return DISABLED;
}
/*
* See header file
*/
void hal_rcc_setup_pll(hal_rcc_osc_t pll, hal_rcc_pll_init_t init)
{
/* Input check */
if (init.m_divider < 2u) init.m_divider = 2u;
if (init.n_factor < 2u) init.n_factor = 2u;
if (init.n_factor > 432u) init.n_factor = 432u;
if (init.p_divider > 8u) init.p_divider = 8u;
if (init.q_divider < 2u) init.q_divider = 2u;
init.r_divider &= 0x07;
/* Set source or return if invalid */
if (init.source == HAL_RCC_OSC_HSI) {
RCC->PLLCFGR &= ~(1u << 22u);
} else if (init.source == HAL_RCC_OSC_HSE) {
RCC->PLLCFGR |= (1u << 22u);
} else {
return;
}
/* Set pll preescaler */
RCC->PLLCFGR &= ~(0x3f);
RCC->PLLCFGR |= init.m_divider;
/* Configure pll */
switch (pll) {
case HAL_RCC_OSC_PLL:
RCC->PLLCFGR &= ~0x0f037fc0;
RCC->PLLCFGR |= (init.n_factor << 6u);
RCC->PLLCFGR |= (((init.p_divider - 1) >> 1u) << 16u);
RCC->PLLCFGR |= (init.q_divider << 24u);
break;
case HAL_RCC_OSC_PLLI2S:
RCC->PLLI2SCFGR &= ~0x7f007fc0;
RCC->PLLI2SCFGR |= (init.n_factor << 6u);
RCC->PLLI2SCFGR |= (init.q_divider << 24u);
RCC->PLLI2SCFGR |= (init.r_divider << 28u);
break;
/* case HAL_RCC_OSC_PLLSAI:
RCC->PLLSAICFGR &= ~0x7f007fc0;
RCC->PLLSAICFGR |= (init.n_factor << 6u);
RCC->PLLSAICFGR |= (init.q_divider << 24u);
RCC->PLLSAICFGR |= (init.r_divider << 28u);
break;
*/
default:
break;
}
}
/*
* See header file
*/
void hal_rcc_setup_clock(hal_rcc_clk_init_t init)
{
uint32_t reg = 0;
/* Configure clock divider */
RCC->CFGR &= ~0x0000fcf0;
RCC->CFGR |= (init.hpre << 4u);
RCC->CFGR |= (init.ppre1 << 10u);
RCC->CFGR |= (init.ppre2 << 13u);
/* Select system clock source */
RCC->CFGR &= ~0x00000003;
switch (init.osc) {
default:
case HAL_RCC_OSC_HSI:
reg = 0u;
break;
case HAL_RCC_OSC_HSE:
reg = 1u;
break;
case HAL_RCC_OSC_PLL:
reg = 2u;
break;
}
RCC->CFGR |= reg;
#ifndef TESTING
/* Wait till system clock is selected */
while ((RCC->CFGR & 0x0000000c) != (reg << 2u));
#endif
}
@@ -0,0 +1,15 @@
/*
* Auto generated Run-Time-Environment Configuration File
* *** Do not modify ! ***
*
* Project: 'bitmanipulation'
* Target: 'Target 1'
*/
#ifndef RTE_COMPONENTS_H
#define RTE_COMPONENTS_H
#endif /* RTE_COMPONENTS_H */