Created
March 25, 2016 00:17
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/* | |
* DAC.cpp | |
* | |
* Created on: Mar 23, 2016 | |
* Author: conne | |
*/ | |
#include "DAC.h" | |
volatile struct DAC_REGS *DAC_PTR[4] = {0x0,&DacaRegs,&DacbRegs,&DaccRegs}; | |
void DAC_INIT(uint16_t dac) | |
{ | |
EALLOW; | |
switch(dac) { | |
case 1: | |
CpuSysRegs.PCLKCR16.bit.DAC_A = 1; | |
break; | |
case 2: | |
CpuSysRegs.PCLKCR16.bit.DAC_B = 1; | |
break; | |
case 3: | |
CpuSysRegs.PCLKCR16.bit.DAC_A = 1; | |
break; | |
} | |
DAC_PTR[dac]->DACCTL.bit.DACREFSEL = REFERENCE_VDAC; | |
DAC_PTR[dac]->DACOUTEN.bit.DACOUTEN = 1; | |
EDIS; | |
} | |
void DAC_OUT(uint16_t dac, float value, int32_t gain, int32_t offset) | |
{ | |
DAC_PTR[dac]->DACVALS.bit.DACVALS = (value*gain) + offset; | |
} |
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/* | |
* DAC.h | |
* | |
* Created on: Mar 23, 2016 | |
* Author: cbrooks | |
*/ | |
#ifndef DAC_H_ | |
#define DAC_H_ | |
#include <stdint.h> | |
#include <Energia.h> | |
// Defines | |
#define REFERENCE_VDAC 0 | |
#define REFERENCE_VREF 1 | |
#define DACA 1 | |
#define DACB 2 | |
#define DACC 3 | |
// DAC initialization | |
void DAC_INIT(uint16_t dac); | |
// DAC output functions | |
void DAC_OUT(uint16_t dac, float value, int32_t gain, int32_t offset); | |
#endif /* DAC_H_ */ |
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