solved Task 3a

project/app/struct_code.s

@@ -77,10 +77,82 @@ main    PROC
 
 main_loop
 ; STUDENTS: To be programmed
+		
+		; Read ADC Value to R0
+		BL			adc_get_value
+		
+		; check T0
+		LDR			R1, =ADDR_BUTTONS
+		LDRB		R1, [R1]
+		LDR			R2, =0x01
+		TST     	R1, R2
+		BNE			case_green					; If T0 is pressed: goto case_green, else: continue
 
+		; Else (T0 is not pressed):
+		
+		; Read 8-bit value from DIP-Switch 7-0 to R1
+		LDR			R1, =ADDR_DIP_SWITCH_7_0
+		LDRB		R1, [R1]
+		
+		; Calc diff: DIP-Switch-7-0 - ADC-Value
+		SUBS		R2, R1, R0
+		BLT			case_red					; IF diff >= 0: continue case blue, else: goto case red
+		
 
+case_blue
+		; Make LCD Display Blue
+		LDR			R3, =ADDR_LCD_COLOUR
+		LDR			R4, =DISPLAY_COLOUR_BLUE
+		LDR			R5, =0xffff
+		STRH		R5, [R3, R4]
+		LDR			R4, =DISPLAY_COLOUR_RED
+		LDR			R5, =0x0000
+		STRH		R5, [R3, R4]
+		LDR			R4, =DISPLAY_COLOUR_GREEN
+		LDR			R5, =0x0000
+		STRH		R5, [R3, R4]
+		
+		; Show Diff on 7-Segment
+		LDR			R3, =ADDR_7_SEG_BIN_DS3_0
+		STRB		R2, [R3]
 
+		B			end_cases
+case_red
+		; Make LCD Display Red
+		LDR			R3, =ADDR_LCD_COLOUR
+		LDR			R4, =DISPLAY_COLOUR_RED
+		LDR			R5, =0xffff
+		STRH		R5, [R3, R4]
+		LDR			R4, =DISPLAY_COLOUR_BLUE
+		LDR			R5, =0x0000
+		STRH		R5, [R3, R4]
+		LDR			R4, =DISPLAY_COLOUR_GREEN
+		LDR			R5, =0x0000
+		STRH		R5, [R3, R4]
+		
+		; Show Diff on 7-Segment
+		LDR			R3, =ADDR_7_SEG_BIN_DS3_0
+		STRB		R2, [R3]
 
+		B			end_cases
+case_green
+		; Make LCD Display Green
+		LDR			R3, =ADDR_LCD_COLOUR
+		LDR			R4, =DISPLAY_COLOUR_GREEN
+		LDR			R5, =0xffff
+		STRH		R5, [R3, R4]
+		LDR			R4, =DISPLAY_COLOUR_RED
+		LDR			R5, =0x0000
+		STRH		R5, [R3, R4]
+		LDR			R4, =DISPLAY_COLOUR_BLUE
+		LDR			R5, =0x0000
+		STRH		R5, [R3, R4]
+		
+		; Show ADC Value on 7-Semgment
+		LDR			R3, =ADDR_7_SEG_BIN_DS3_0
+		STRB		R0, [R3]
+
+end_cases
 ; END: To be programmed
         B          main_loop