/****************************************************************************/ /* Copyright 2010 MBARI. */ /* MBARI Proprietary Information. All rights reserved. */ /****************************************************************************/ #include #include "dig_io.h" #include "sys_defs.h" static int dummyBit; #define TOTAL_OUT_BITS 16 #define OUT_BIT_0 LATBbits.LATB9 /* Output 0 */ #define OUT_BIT_1 LATCbits.LATC6 /* Output 1 */ #define OUT_BIT_2 LATCbits.LATC7 /* Output 2 */ #define OUT_BIT_3 LATCbits.LATC8 /* Output 3 */ #define OUT_BIT_4 LATCbits.LATC9 /* Output 4 */ #define OUT_BIT_5 LATBbits.LATB10 /* Output 5 */ #define OUT_BIT_6 LATBbits.LATB11 /* Output 6 */ #define OUT_BIT_7 LATBbits.LATB12 /* Output 7 */ #define OUT_BIT_8 LATCbits.LATC2 /* Acessory 1 */ #define OUT_BIT_9 LATCbits.LATC1 /* Acessory 2 */ #define OUT_BIT_10 LATCbits.LATC0 /* Acessory 3 */ #define OUT_BIT_11 LATBbits.LATB3 /* Acessory 4 */ #define OUT_BIT_12 LATBbits.LATB2 /* Acessory 5 */ #define OUT_BIT_13 LATBbits.LATB15 /* Acessory 6 */ #define OUT_BIT_14 LATBbits.LATB14 /* Acessory 7 */ #define OUT_BIT_15 LATBbits.LATB13 /* Acessory 8 */ #define TOTAL_IN_BITS 16 #define IN_BIT_0 PORTAbits.RA7 #define IN_BIT_1 PORTAbits.RA10 #define IN_BIT_2 dummyBit #define IN_BIT_3 dummyBit #define IN_BIT_4 dummyBit #define IN_BIT_5 dummyBit #define IN_BIT_6 dummyBit #define IN_BIT_7 dummyBit #define IN_BIT_8 dummyBit #define IN_BIT_9 dummyBit #define IN_BIT_10 dummyBit #define IN_BIT_11 dummyBit #define IN_BIT_12 dummyBit #define IN_BIT_13 dummyBit #define IN_BIT_14 dummyBit #define IN_BIT_15 dummyBit /* init registers */ void digInit() { /* Note: the AD1PCFGL and TRIS registers have to be set on ADC pins if you want to use them as digital I/O pins */ /* set outputs here */ TRISBbits.TRISB9 = 0; /* Output 0 */ TRISCbits.TRISC6 = 0; /* Output 1 */ TRISCbits.TRISC7 = 0; /* Output 2 */ TRISCbits.TRISC8 = 0; /* Output 3 */ TRISCbits.TRISC9 = 0; /* Output 4 */ TRISBbits.TRISB10 = 0; /* Output 5 */ TRISBbits.TRISB11 = 0; /* Output 6 */ TRISBbits.TRISB12 = 0; /* Output 7 */ TRISCbits.TRISC2 = 0; /* Acessory 1 */ TRISCbits.TRISC1 = 0; /* Acessory 2 */ TRISCbits.TRISC0 = 0; /* Acessory 3 */ TRISBbits.TRISB3 = 0; /* Acessory 4 */ TRISBbits.TRISB2 = 0; /* Acessory 5 */ TRISBbits.TRISB15 = 0; /* Acessory 6 */ TRISBbits.TRISB14 = 0; /* Acessory 7 */ TRISBbits.TRISB13 = 0; /* Acessory 8 */ /* set inputs here */ /* put out bits in default state here */ Nop(); OUT_BIT_0 = 0; Nop(); OUT_BIT_1 = 0; Nop(); OUT_BIT_2 = 0; Nop(); OUT_BIT_3 = 0; Nop(); OUT_BIT_4 = 0; Nop(); OUT_BIT_5 = 0; Nop(); OUT_BIT_6 = 0; Nop(); OUT_BIT_7 = 0; Nop(); OUT_BIT_8 = 0; Nop(); OUT_BIT_9 = 0; Nop(); OUT_BIT_10 = 0; Nop(); OUT_BIT_11 = 0; Nop(); OUT_BIT_12 = 0; Nop(); OUT_BIT_13 = 0; Nop(); OUT_BIT_14 = 0; Nop(); OUT_BIT_15 = 0; } /* power bit API */ void digSetOutBit(int bit, int state) { /* state is non zero, set it to one */ if ( state ) state = 1; Nop(); switch (bit) { case 0: OUT_BIT_0 = state; break; case 1: OUT_BIT_1 = state; break; case 2: OUT_BIT_2 = state; break; case 3: OUT_BIT_3 = state; break; case 4: OUT_BIT_4 = state; break; case 5: OUT_BIT_5 = state; break; case 6: OUT_BIT_6 = state; break; case 7: OUT_BIT_7 = state; break; case 8: OUT_BIT_8 = state; break; case 9: OUT_BIT_9 = state; break; case 10: OUT_BIT_10 = state; break; case 11: OUT_BIT_11 = state; break; case 12: OUT_BIT_12 = state; break; case 13: OUT_BIT_13 = state; break; case 14: OUT_BIT_14 = state; break; case 15: OUT_BIT_15 = state; break; default: return; } } int digGetOutBit(int bit) { Nop(); /* set dummyBit to 0 so undefined bits always read back as 0 */ dummyBit = 0; switch (bit) { case 0: return (int)OUT_BIT_0; case 1: return (int)OUT_BIT_1; case 2: return (int)OUT_BIT_2; case 3: return (int)OUT_BIT_3; case 4: return (int)OUT_BIT_4; case 5: return (int)OUT_BIT_5; case 6: return (int)OUT_BIT_6; case 7: return (int)OUT_BIT_7; case 8: return (int)OUT_BIT_8; case 9: return (int)OUT_BIT_9; case 10: return (int)OUT_BIT_10; case 11: return (int)OUT_BIT_11; case 12: return (int)OUT_BIT_12; case 13: return (int)OUT_BIT_13; case 14: return (int)OUT_BIT_14; case 15: return (int)OUT_BIT_15; default: return 0; } } void digSetOutPort(unsigned int val) { int i; unsigned int bit = 0x0001; for (i = 0; i < TOTAL_OUT_BITS; ++i) { digSetOutBit(i, (val & bit)); bit <<= 1; } } unsigned int digGetOutPort(void) { int i; unsigned int bit = 0x0001; unsigned int val = 0; for (i = 0; i < TOTAL_OUT_BITS; ++i) { if ( digGetOutBit(i) ) val += bit; bit <<= 1; } return val; } /* digital input API */ int digGetInBit(int bit) { Nop(); /* set dummyBit to 0 so undefined bits always read back as 0 */ dummyBit = 0; switch (bit) { case 0: return (int)IN_BIT_0; case 1: return (int)IN_BIT_1; case 2: return (int)IN_BIT_2; case 3: return (int)IN_BIT_3; case 4: return (int)IN_BIT_4; case 5: return (int)IN_BIT_5; case 6: return (int)IN_BIT_6; case 7: return (int)IN_BIT_7; case 8: return (int)IN_BIT_8; case 9: return (int)IN_BIT_9; case 10: return (int)IN_BIT_10; case 11: return (int)IN_BIT_11; case 12: return (int)IN_BIT_12; case 13: return (int)IN_BIT_13; case 14: return (int)IN_BIT_14; case 15: return (int)IN_BIT_15; default: return 0; } } unsigned int digGetInPort(void) { int i; unsigned int bit = 0x0001; unsigned int val = 0; for (i = 0; i < TOTAL_IN_BITS; ++i) { if ( digGetInBit(i) ) val += bit; bit <<= 1; } return val; }