| 0,0 → 1,56 |
|---|
| #include <xc.h> |
| #include <plib.h> |
| #include "defines.h" |
| #include "BTN.h" |
| |
| static void (*callback_function_1)(void); |
| static void (*callback_function_2)(void); |
| static void (*callback_function_3)(void); |
| |
| void BTN_Init(void (*callback_1)(void), void (*callback_2)(void), void (*callback_3)(void)) { |
| callback_function_1 = callback_1; |
| callback_function_2 = callback_2; |
| callback_function_3 = callback_3; |
| |
| BTN1_TRIS = 1; |
| BTN2_TRIS = 1; |
| BTN3_TRIS = 1; |
| |
| INTDisableInterrupts(); |
| |
| CNCONSET = 0x8000; // Turn on change notice interrupt |
| CNENSET = 0x80300; // Set interrupt on CN8/9/19 |
| int tmp = BTN1_PORT; |
| tmp = BTN2_PORT; |
| tmp = BTN3_PORT; |
| IPC6SET = 0x50000; // Set priority level = 1, sub-priority level = 1 |
| IFS1CLR = 0x1; // Clear interrupt flag |
| IEC1SET = 0x1; // Enable interrupt |
| |
| INTEnableInterrupts(); |
| } |
| |
| void __ISR(_CHANGE_NOTICE_VECTOR, ipl1) __CN_Interrupt_Handler(void) { |
| if (BTN1_PORT == 1) { |
| Delay_MS(BTN_DEBOUNCE_MS); |
| if (BTN1_PORT == 1) { |
| if (callback_function_1 != NULL) |
| (*callback_function_1)(); |
| } |
| } |
| if (BTN2_PORT == 1) { |
| Delay_MS(BTN_DEBOUNCE_MS); |
| if (BTN2_PORT == 1) { |
| if (callback_function_2 != NULL) |
| (*callback_function_2)(); |
| } |
| } |
| if (BTN3_PORT == 1) { |
| Delay_MS(BTN_DEBOUNCE_MS); |
| if (BTN3_PORT == 1) { |
| if (callback_function_3 != NULL) |
| (*callback_function_3)(); |
| } |
| } |
| IFS1CLR = 0x1; // Clear interrupt flag |
| } |