/* * File: main.c * Author: Martin * * Created on 1. 5. 2013, 8:32 */ #include #include #include #include #include #include "p33ep128gp504.h" //#include "config.h" #include "periferal.h" #include "sserial.h" /* * */ extern int processU1, processU2; extern char DAC_ready; extern unsigned char OUTPUT[4]; /* unsigned char txtest[512]; int pTXtest; unsigned char rxtest[512]; int pRXtest; */ //int RXbyte; /* char INP0_7; char OUT0_7; char ANOUT1, ANIN1; */ int errorTest; /* SSerial 1 84 bit? out (6 x 14bit DAC), 16 bit? in (2 x 8bit ADC) 100 SSerial 2 6 bit? out (analog EN) 5 bit? out (uversal) 18 bit? out (drivers) 24 bit? in (drivers) 21 bit? in (13 x limit + 8 x universal) 74 */ unsigned char CRC_table[256] = {0, 94, 188, 226, 97, 63, 221, 131, 194, 156, 126, 32, 163, 253, 31, 65, 157, 195, 33, 127, 252, 162, 64, 30, 95, 1, 227, 189, 62, 96, 130, 220, 35, 125, 159, 193, 66, 28, 254, 160, 225, 191, 93, 3, 128, 222, 60, 98, 190, 224, 2, 92, 223, 129, 99, 61, 124, 34, 192, 158, 29, 67, 161, 255, 70, 24, 250, 164, 39, 121, 155, 197, 132, 218, 56, 102, 229, 187, 89, 7, 219, 133, 103, 57, 186, 228, 6, 88, 25, 71, 165, 251, 120, 38, 196, 154, 101, 59, 217, 135, 4, 90, 184, 230, 167, 249, 27, 69, 198, 152, 122, 36, 248, 166, 68, 26, 153, 199, 37, 123, 58, 100, 134, 216, 91, 5, 231, 185, 140, 210, 48, 110, 237, 179, 81, 15, 78, 16, 242, 172, 47, 113, 147, 205, 17, 79, 173, 243, 112, 46, 204, 146, 211, 141, 111, 49, 178, 236, 14, 80, 175, 241, 19, 77, 206, 144, 114, 44, 109, 51, 209, 143, 12, 82, 176, 238, 50, 108, 142, 208, 83, 13, 239, 177, 240, 174, 76, 18, 145, 207, 45, 115, 202, 148, 118, 40, 171, 245, 23, 73, 8, 86, 180, 234, 105, 55, 213, 139, 87, 9, 235, 181, 54, 104, 138, 212, 149, 203, 41, 119, 244, 170, 72, 22, 233, 183, 85, 11, 136, 214, 52, 106, 43, 117, 151, 201, 74, 20, 246, 168, 116, 42, 200, 150, 21, 75, 169, 247, 182, 232, 10, 84, 215, 137, 107, 53}; int CalcCRC(unsigned char data_byte, unsigned char crc); void UART_send_buf(unsigned long ulBase, unsigned char* buf, int num); void InitSystem(void) { } void InitGPIO(void) { TRISA = 0xFFFF; TRISB = 0xF4FF; // RB8 - IO_CLR_, RB9 - DAC_CLR_, RB11 - SS_ PORTB = 0x0B00; TRISC = 0xFF7F; // RC7 - SYNC_ PORTC = 0x0080; // UART /* RPINR18bits.U1RXR = 0x19; // U1RX -> RPI51 RPINR19bits.U2RXR = 0x33; // U2RX -> RPI25 RPOR1bits.RP36R = 0x03; // U1TX -> RP36 RPOR0bits.RP20R = 0x01; // U2TX -> RP20 */ __builtin_write_OSCCONL(OSCCON & 0xbf); RPINR18bits.U1RXR = 0x33; // U1RX -> RPI51 RPINR19bits.U2RXR = 0x19; // U2RX -> RPI25 RPOR1bits.RP36R = 0x01; // U1TX -> RP36 RPOR0bits.RP20R = 0x03; // U2TX -> RP20 /* RPINR18bits.U1RXR = 0x19; // U1RX -> RPI51 RPINR19bits.U2RXR = 0x33; // U2RX -> RPI25 RPOR1bits.RP36R = 0x03; // U1TX -> RP36 RPOR0bits.RP20R = 0x01; // U2TX -> RP20 */ // SPI RPINR22bits.SDI2R = 0x2E; // SDI2 -> RPI46 RPOR6bits.RP57R = 0x08; // SDO2 -> RP57 RPOR4bits.RP42R = 0x09; // SCK2 -> RP42 __builtin_write_OSCCONL(OSCCON | 0x40); } int CalcCRC(unsigned char data_byte, unsigned char crc) { /* unsigned char bit_mask = 0, carry_check = 0, temp_data = 0; temp_data = data_byte & 0x00FF; for ( bit_mask = 0; bit_mask <= 7; bit_mask ++) { data_byte = data_byte ^ crc; crc = crc / 2; temp_data = temp_data / 2; carry_check = data_byte & 0x01; if (carry_check) { crc = crc ^ 0x8C; } data_byte = temp_data; } return crc; */ return CRC_table[crc ^ data_byte]; } void UARTCharPut(int UARTBase, char data) { switch (UARTBase) { case 1: while(BusyUART1()); WriteUART1(data); //txtest[pTXtest] = data; //if (pTXtest < 1023) pTXtest++; break; case 2: while(BusyUART2()); WriteUART2(data); break; default: break; } } void UART_send_buf(unsigned long ulBase, unsigned char* buf, int num) { int i; for(i = 0; i < num; i++) { UARTCharPut(ulBase, buf[i]); } } char UARTCharGetX(int UARTBase) { char data; switch (UARTBase) { case 1: while(!DataRdyUART1()); data = ReadUART1(); /* rxtest[pRXtest] = data; if (pRXtest < 1023) pRXtest++; */ break; case 2: while(!DataRdyUART2()); data = ReadUART2(); break; default: break; } return data; } char UART_RX[128]; int p_UART_RX; char XXX1, XXX2, XXX3; /* // Select Internal FRC at POR _FOSCSEL(FNOSC_FRC & IESO_OFF); // Enable Clock Switching and Configure POSC in XT mode _FOSC(FCKSM_CSECMD & OSCIOFNC_OFF & POSCMD_XT); */ _FOSCSEL(FNOSC_FRC & IESO_OFF); _FOSC(FCKSM_CSECMD & OSCIOFNC_OFF & POSCMD_EC); _FPOR(ALTI2C1_OFF & ALTI2C2_ON); int test[2]; int main(int argc, char** argv) { int i; // Configure PLL prescaler, PLL postscaler, PLL divisor PLLFBD = 46; // M = 48, 240MHz CLKDIVbits.PLLPOST = 0; // N2 = 2, 120MHz CLKDIVbits.PLLPRE = 0; // N1 = 2, 5MHz // Initiate Clock Switch to Primary Oscillator with PLL (NOSC=0b011) __builtin_write_OSCCONH(0x03); __builtin_write_OSCCONL(OSCCON | 0x01); // Wait for Clock switch to occur while (OSCCONbits.COSC != 0b011); // Wait for PLL to lock while (OSCCONbits.LOCK!= 1); errorTest = 0; /* for (i = 0; i < 512; i++) { rxtest[i] = 0; txtest[i] = 0; } */ InitSystem(); InitGPIO(); InitUARTs(); InitSPI(); InitI2C(); Init9670(); InitADC(); /* pTXtest = 0; pRXtest = 0; */ InitDACs(); /* for (i = 0; i < 512; i++) { rxtest[i] = 0; txtest[i] = 0; } UARTCharPut(2, 0xDF); UARTCharPut(2, 0x16); UARTCharPut(2, 0xEB); UARTCharPut(2, 0x28); */ //ReadSPI2(); /* DAC[3] = 0x7FFC; DAC[4] = 0x7FFC; DAC[5] = 0x7FFC; DAC[0] = 0x8000; DAC[1] = 0x8000; DAC[2] = 0x8000; */ for ( ; ; ) { if (processU1 == 1) ZpracujU1(); if (processU2 == 1) ZpracujU2(); if (DAC_ready == 3) { LoadDAC(); Write9670(3, OUTPUT[0]); Write9670(1, OUTPUT[1]); Write9670(0, OUTPUT[2]); Write9670(2, OUTPUT[3]); SampleData(); DAC_ready = 0; } } return (EXIT_SUCCESS); }