| 3,7 → 3,7 |
|---|
| |
| // CONFIG1 |
| #pragma config FOSC = INTOSC // Oscillator Selection (INTOSC oscillator: I/O function on CLKIN pin) |
| #pragma config WDTE = OFF // Watchdog Timer Enable (WDT disabled) |
| #pragma config WDTE = ON // Watchdog Timer Enable (WDT enabled) |
| #pragma config PWRTE = OFF // Power-up Timer Enable (PWRT disabled) |
| #pragma config MCLRE = OFF // MCLR Pin Function Select (MCLR/VPP pin function is digital input) |
| #pragma config CP = OFF // Flash Program Memory Code Protection (Program memory code protection is disabled) |
| 26,6 → 26,8 |
|---|
| #include "base_I2C.h" |
| |
| void Pins_Init(void) { |
| |
| |
| // Set all pins to digital I/O |
| ANSELA = 0x0; |
| ANSELC = 0x0; |
| 78,6 → 80,9 |
|---|
| LED_4_LAT = leds->LED_4; |
| } |
| |
| // TODO: Set watchdog timer to reset device if no I2C messages are received every x seconds |
| // TODO: Use a timer to manually PWM the LEDs |
| |
| int main(void) { |
| uint8_t buffer[32]; |
| uint8_t result, length; |
| 87,6 → 92,10 |
|---|
| OSCCONbits.IRCF = 0xE; // Base frequency @ 8MHz |
| OSCCONbits.SCS = 0b00; // System clock determined by config bits |
| |
| // Set watchdog timer to reset device every 1s |
| // CLRWDT is issued upon receiving data over I2C |
| WDTCON = 0x0A; |
| |
| // Initialize I/O |
| Pins_Init(); |
| |
| 104,6 → 113,7 |
|---|
| do { |
| result = I2C_Get_Status(); |
| } while (!result); |
| CLRWDT(); |
| length = I2C_Read_Buffer(buffer); |
| if (length == 2 && buffer[0] == CMD_SET_LEDS) { |
| LED_STATUS leds; |