65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
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#ifndef __ADC_ADS1256_H__
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#define __ADC_ADS1256_H__
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#include "SPIDevice.h"
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#define ADS1256_SPI_MODE 1
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#define DRATE_MAX 16
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#define DEBUG
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#define ADS1256_GAIN_1 0 /* GAIN 1 */
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#define ADS1256_GAIN_2 1 /*GAIN 2 */
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#define ADS1256_GAIN_4 2 /*GAIN 4 */
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#define ADS1256_GAIN_8 3 /*GAIN 8 */
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#define ADS1256_GAIN_16 4 /* GAIN 16 */
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#define ADS1256_GAIN_32 5 /*GAIN 32 */
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#define ADS1256_GAIN_64 6 /*GAIN 64 */
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#define ADS1256_30000SPS 15
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#define ADS1256_15000SPS 14
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#define ADS1256_7500SPS 13
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#define ADS1256_3750SPS 12
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#define ADS1256_2000SPS 11
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#define ADS1256_1000SPS 10
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#define ADS1256_500SPS 9
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#define ADS1256_100SPS 8
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#define ADS1256_60SPS 7
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#define ADS1256_50SPS 6
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#define ADS1256_30SPS 5
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#define ADS1256_25SPS 4
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#define ADS1256_15SPS 3
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#define ADS1256_10SPS 2
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#define ADS1256_5SPS 1
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#define ADS1256_2d5SPS 0
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typedef struct
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{
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GPIO_TypeDef* _drdy;
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uint16_t _drdy_Pin;
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SPI_DEV_t* _dev;
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const char* name;
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bool success;
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uint8_t gain;
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uint8_t dataRate;
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int32_t adcNow[8]; /* ADC Conversion value */
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uint8_t channel; /* The current channel*/
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uint8_t prevChannel; /* The previous channel --when muxing */
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uint8_t scanMode; /*Scanning mode, 0 = Single-ended input 8 channel; 1= Differential input 4 channels*/
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uint8_t buffer_en;
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uint32_t maxWaitDelay_us;
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/* gain channel? */
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} ADC_ADS1256_t;
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bool ADC_ADS1256_init(ADC_ADS1256_t *adc, const char *name, SPI_DEV_t* dev, GPIO_TypeDef* drdy, uint16_t drdy_Pin);
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void ADC_ADS1256_update(ADC_ADS1256_t *adc);
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#endif
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