| 0,0 → 1,129 |
|---|
| // <editor-fold defaultstate="collapsed" desc="Configuration Bits"> |
| // PIC16F1825 Configuration Bit Settings |
| |
| // CONFIG1 |
| #pragma config FOSC = INTOSC // Oscillator Selection (INTOSC oscillator: I/O function on CLKIN pin) |
| #pragma config WDTE = OFF // Watchdog Timer Enable (WDT software controlled) |
| #pragma config PWRTE = OFF // Power-up Timer Enable (PWRT disabled) |
| #pragma config MCLRE = ON // 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) |
| #pragma config CPD = OFF // Data Memory Code Protection (Data memory code protection is disabled) |
| #pragma config BOREN = ON // Brown-out Reset Enable (Brown-out Reset enabled) |
| #pragma config CLKOUTEN = OFF // Clock Out Enable (CLKOUT function is disabled. I/O or oscillator function on the CLKOUT pin) |
| #pragma config IESO = ON // Internal/External Switchover (Internal/External Switchover mode is enabled) |
| #pragma config FCMEN = ON // Fail-Safe Clock Monitor Enable (Fail-Safe Clock Monitor is enabled) |
| |
| // CONFIG2 |
| #pragma config WRT = OFF // Flash Memory Self-Write Protection (Write protection off) |
| #pragma config PLLEN = ON // PLL Enable (4x PLL enabled) |
| #pragma config STVREN = ON // Stack Overflow/Underflow Reset Enable (Stack Overflow or Underflow will cause a Reset) |
| #pragma config BORV = LO // Brown-out Reset Voltage Selection (Brown-out Reset Voltage (Vbor), low trip point selected.) |
| #pragma config LVP = OFF // Low-Voltage Programming Enable (High-voltage on MCLR/VPP must be used for programming) |
| // </editor-fold> |
| |
| #include "defines.h" |
| #include "INTERRUPTS.h" |
| #include "I2C1.h" |
| #include "ADC.h" |
| |
| uint8_t btn_values[6]; |
| |
| void IO_Init(void) { |
| ANSELA = 0x0; |
| ANSELB = 0x0; |
| ANSELC = 0x0; |
| |
| WPUA = 0x0; |
| WPUB = 0x0; |
| WPUC = 0x0; |
| |
| OPTION_REGbits.nWPUEN = 0; |
| |
| I2C_1_CLK_TRIS = 1; |
| I2C_1_DAT_TRIS = 1; |
| |
| ANALOG_L_BTN_TRIS = 1; |
| ANALOG_R_BTN_TRIS = 1; |
| |
| ANALOG_L_BTN_WPU = 1; |
| ANALOG_R_BTN_WPU = 1; |
| |
| ANALOG_L_X_TRIS = 1; |
| ANALOG_L_Y_TRIS = 1; |
| |
| ANALOG_R_X_TRIS = 1; |
| ANALOG_R_Y_TRIS = 1; |
| |
| ANALOG_L_X_ANSEL = 1; |
| ANALOG_L_Y_ANSEL = 1; |
| |
| ANALOG_R_X_ANSEL = 1; |
| ANALOG_R_Y_ANSEL = 1; |
| |
| LED_A_LAT = 0; |
| LED_B_LAT = 0; |
| LED_A_TRIS = 0; |
| LED_B_TRIS = 0; |
| } |
| |
| void LED_On(void) { |
| LED_A_LAT = 1; |
| } |
| |
| void LED_Off(void) { |
| LED_A_LAT = 0; |
| } |
| |
| int main(void) { |
| |
| // Set internal oscillator speed to 32MHz |
| OSCCONbits.SPLLEN = 1; // 4x PLL enable (overwritten by config bits) |
| OSCCONbits.IRCF = 0xE; // Base frequency @ 8MHz |
| OSCCONbits.SCS = 0b00; // System clock determined by config bits |
| |
| // Initialize I/O |
| IO_Init(); |
| |
| // Delay a bit to allow I2C lines to stabilize |
| __delay_ms(10); |
| |
| // Initialize I2C1 in slave mode |
| I2C1_DATA i2c1_data; |
| I2C1_Init(&i2c1_data); |
| I2C1_Configure_Slave(I2C1_SLAVE_ADDR); |
| |
| // Initialize ADC |
| ADC_Init(); |
| |
| // Initialize interrupts |
| Interrupt_Init(); |
| Interrupt_Enable(); |
| |
| LED_On(); |
| __delay_ms(1000); |
| LED_Off(); |
| |
| uint8_t buffer[8]; |
| uint8_t length, result; |
| |
| while (1) { |
| btn_values[0] = ADC_Read(ANALOG_REF_CH) >> 2; // 0xFF |
| btn_values[1] = ADC_Read(ANALOG_L_X_CH) >> 2; // 0x7E (-1) |
| btn_values[2] = ADC_Read(ANALOG_L_Y_CH) >> 2; // 0x7C (-3) |
| btn_values[3] = ADC_Read(ANALOG_R_X_CH) >> 2; // 0x81 (+2) |
| btn_values[4] = ADC_Read(ANALOG_R_Y_CH) >> 2; // 0x7D (-2) |
| btn_values[5] = (ANALOG_L_BTN_PORT << 1) | ANALOG_R_BTN_PORT; |
| |
| // // Check if an I2C message was received |
| // result = I2C1_Get_Status(); |
| // if (result) { |
| // length = I2C1_Read_Buffer(buffer); |
| // if (length == 2 && buffer[0] == CMD_SET_LEDS) { |
| // if (buffer[1]) |
| // LED_On(); |
| // else |
| // LED_Off(); |
| // } |
| // } |
| } |
| } |