63 lines
1.4 KiB
C
63 lines
1.4 KiB
C
#ifndef _ADS1220_H_
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#define _ADS1220_H_
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#include "stm32l4xx_hal.h"
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#include "spi.h"
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#include "main.h"
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#include "timer.h"
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#define ADS1220_RESET 0X06
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#define ADS1220_START 0X08
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#define ADS1220_POWERDOWN 0X02
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#define ADS1220_RDATA 0X10
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#define ADS1220_RREG 0X20
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#define ADS1220_WREG 0X40
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#define AIN0_AIN1 0x01
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#define AIN0_AIN2 0x11
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#define AIN0_AIN3 0x21
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#define AIN1_AIN2 0x31
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#define AIN1_AIN3 0x41
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#define AIN2_AIN3 0x51
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#define AIN1_AIN0 0x61
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#define AIN3_AIN2 0x71
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#define AIN0_AVSS 0x81
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#define AIN1_AVSS 0x91
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#define AIN2_AVSS 0xA1
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#define AIN3_AVSS 0xB1
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#define ADS1220_CS_LOW() HAL_GPIO_WritePin(ADS1220_CS_GPIO_Port,ADS1220_CS_Pin,GPIO_PIN_RESET)
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#define ADS1220_CS_HIGH() HAL_GPIO_WritePin(ADS1220_CS_GPIO_Port,ADS1220_CS_Pin,GPIO_PIN_SET)
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#define ADS1220_DRDY HAL_GPIO_ReadPin(ADS1220_DR_GPIO_Port, ADS1220_DR_Pin)
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typedef struct
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{
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long vol[1024];
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long loca[1024];
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int cnt;
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}Point_Data;
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extern Point_Data point_data;
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//extern uint32_t V_data; //ÅÅÐòÖмä±äÁ¿
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extern long ads1220_data;
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extern int test_flag;
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extern long maxv;
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extern long minv;
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extern long maxv_loca;
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extern long minv_loca;
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extern long max_point_cnt;
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extern long min_point_cnt;
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void ads1220_init(void);
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void ads1220_write(uint8_t dat);
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unsigned char ads1220_receivebyte(void);
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void ads1220_writeregister(int StartAddress, int NumRegs, uint8_t * pData);
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long ads1220_readdata(void);
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void get_data(void);
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#endif /* ADS1220_H_ */
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