Roman_Schenk/CT_Lab_2_BitManipulations
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solved Task 3.3

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This commit is contained in:
Schrom01
2022-09-30 09:40:56 +02:00
parent f1279845a8
commit 01822248cb
8 changed files with 296 additions and 257 deletions
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bit_manipulations/app/main.c
+42 -3
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@@ -31,6 +31,9 @@
#define DARK_MASK 0xCF
#define BUTTON_MASK 0x0F
#define T0_MASK 0x01
#define T1_MASK 0x02
#define T2_MASK 0x04
#define T3_MASK 0x08
@@ -44,7 +47,11 @@ int main(void)
/// STUDENTS: To be programmed
uint8_t button_value = 0;
uint8_t button_counter = 0;
uint8_t button_counter2 = 0;
int counted = 0;
int executed = 0;
uint8_t led_23_16_value = 0x00;
@@ -55,23 +62,55 @@ int main(void)
led_value = read_byte(ADDR_DIP_SWITCH_7_0);
/// STUDENTS: To be programmed
/// Task 3.1
led_value = (led_value | BRIGHT_MASK);
led_value = (led_value & DARK_MASK);
///Task 3.2
button_value = read_byte(ADDR_BUTTONS);
button_value = button_value & BUTTON_MASK;
if((button_value & T0_MASK) > 0) {
button_counter = button_counter + 1;
if(counted == 0) {
button_counter = button_counter + 1;
button_counter2 = button_counter2 + 1;
counted = 1;
}
} else {
counted = 0;
}
/// Task 3.3
if((button_value & T0_MASK) > 0) {
if(executed == 0) {
led_23_16_value = led_23_16_value>>1;
executed = 1;
}
} else if ((button_value & T1_MASK) > 0) {
if(executed == 0) {
led_23_16_value = led_23_16_value<<1;
executed = 1;
}
} else if ((button_value & T2_MASK) > 0) {
if(executed == 0) {
led_23_16_value = ~ led_23_16_value;
executed = 1;
}
} else if ((button_value & T3_MASK) > 0) {
if(executed == 0) {
led_23_16_value = read_byte(ADDR_DIP_SWITCH_7_0);
executed = 1;
}
} else {
executed = 0;
}
write_byte(ADDR_LED_15_8, button_counter);
write_byte(ADDR_LED_31_24, button_counter2);
write_byte(ADDR_LED_23_16, led_23_16_value);
/// END: To be programmed