99 lines
3.2 KiB
C
99 lines
3.2 KiB
C
#ifndef __ADS1256_H_
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#define __ADS1256_H_
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#include "main.h"
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#include "modbus.h"
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#define ADS1256_NSS(x) HAL_GPIO_WritePin(ADS1256_NSS_GPIO_Port,ADS1256_NSS_Pin,(GPIO_PinState)x)
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#define ADS1256_SCK(x) HAL_GPIO_WritePin(ADS1256_SCK_GPIO_Port,ADS1256_SCK_Pin,(GPIO_PinState)x)
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#define ADS1256_MOSI(x) HAL_GPIO_WritePin(ADS1256_MOSI_GPIO_Port,ADS1256_MOSI_Pin,(GPIO_PinState)x)
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#define ADS1256_MISO HAL_GPIO_ReadPin(ADS1256_MISO_GPIO_Port,ADS1256_MISO_Pin)
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#define ADS1256_PDWN(x) HAL_GPIO_WritePin(ADS1256_PDWN_GPIO_Port,ADS1256_PDWN_Pin,(GPIO_PinState)x)
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#define ADS1256_DRDY HAL_GPIO_ReadPin(ADS1256_DRDY_GPIO_Port, ADS1256_DRDY_Pin)
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// define commands
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#define ADS1256_CMD_WAKEUP 0x00
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#define ADS1256_CMD_RDATA 0x01
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#define ADS1256_CMD_RDATAC 0x03
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#define ADS1256_CMD_SDATAC 0x0f
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#define ADS1256_CMD_RREG 0x10
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#define ADS1256_CMD_WREG 0x50
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#define ADS1256_CMD_SELFCAL 0xf0
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#define ADS1256_CMD_SELFOCAL 0xf1
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#define ADS1256_CMD_SELFGCAL 0xf2
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#define ADS1256_CMD_SYSOCAL 0xf3
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#define ADS1256_CMD_SYSGCAL 0xf4
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#define ADS1256_CMD_SYNC 0xfc
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#define ADS1256_CMD_STANDBY 0xfd
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#define ADS1256_CMD_REST 0xfe
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// define the ADS1256 register values
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#define ADS1256_STATUS 0x00
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#define ADS1256_MUX 0x01
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#define ADS1256_ADCON 0x02
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#define ADS1256_DRATE 0x03
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#define ADS1256_IO 0x04
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#define ADS1256_OFC0 0x05
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#define ADS1256_OFC1 0x06
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#define ADS1256_OFC2 0x07
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#define ADS1256_FSC0 0x08
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#define ADS1256_FSC1 0x09
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#define ADS1256_FSC2 0x0A
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// define multiplexer codes
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#define ADS1256_MUXP_AIN0 0x00
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#define ADS1256_MUXP_AIN1 0x10
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#define ADS1256_MUXP_AIN2 0x20
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#define ADS1256_MUXP_AIN3 0x30
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#define ADS1256_MUXP_AIN4 0x40
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#define ADS1256_MUXP_AIN5 0x50
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#define ADS1256_MUXP_AIN6 0x60
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#define ADS1256_MUXP_AIN7 0x70
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#define ADS1256_MUXP_AINCOM 0x80
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#define ADS1256_MUXN_AIN0 0x00
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#define ADS1256_MUXN_AIN1 0x01
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#define ADS1256_MUXN_AIN2 0x02
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#define ADS1256_MUXN_AIN3 0x03
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#define ADS1256_MUXN_AIN4 0x04
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#define ADS1256_MUXN_AIN5 0x05
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#define ADS1256_MUXN_AIN6 0x06
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#define ADS1256_MUXN_AIN7 0x07
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#define ADS1256_MUXN_AINCOM 0x08
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// define gain codes
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#define ADS1256_GAIN_1 0x00
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#define ADS1256_GAIN_2 0x01
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#define ADS1256_GAIN_4 0x02
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#define ADS1256_GAIN_8 0x03
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#define ADS1256_GAIN_16 0x04
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#define ADS1256_GAIN_32 0x05
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#define ADS1256_GAIN_64 0x06
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//#define ADS1256_GAIN_64 0x07
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// define drate codes
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#define ADS1256_DRATE_30000SPS 0xF0
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#define ADS1256_DRATE_15000SPS 0xE0
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#define ADS1256_DRATE_7500SPS 0xD0
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#define ADS1256_DRATE_3750SPS 0xC0
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#define ADS1256_DRATE_2000SPS 0xB0
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#define ADS1256_DRATE_1000SPS 0xA1
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#define ADS1256_DRATE_500SPS 0x92
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#define ADS1256_DRATE_100SPS 0x82
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#define ADS1256_DRATE_60SPS 0x72
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#define ADS1256_DRATE_50SPS 0x63
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#define ADS1256_DRATE_30SPS 0x53
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#define ADS1256_DRATE_25SPS 0x43
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#define ADS1256_DRATE_15SPS 0x33
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#define ADS1256_DRATE_10SPS 0x23
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#define ADS1256_DRATE_5SPS 0x13
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#define ADS1256_DRATE_2_5SPS 0x03
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void ads1256_init(void);
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void ads1256_get_data(void);
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#endif
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