MicroPython ADX51X driver

from machine import Pin, SoftSPIimport time
def ID(agreement):    #txbuf 需要将16进制转换为10进制        rxbuf = bytearray(3)      # create a buffer    spi = SoftSPI(baudrate=200000, polarity=1, phase=0, mosi=Pin(16), miso=Pin(4), sck=Pin(2))    spi.init(baudrate=125000) # set the baudrate    CS = Pin(17, Pin.OUT)    # create output pin on GPIO16    CS.value(1)             # set pin to on/high    time.sleep(1)    CS.value(0)             # set pin to on/high    txbuf =bytearray([16,0,0])    spi.write_readinto(txbuf, rxbuf) # write to MOSI and read from MISO into the buffer    CS.value(1)             # set pin to on/high    return rxbuf#采集P=AIN0 N=AIN1时候的电压def GetADCValue(agreement):    #Rxbuffs = bytearray(3)      # create a buffer    spi = SoftSPI(baudrate=200000, polarity=1, phase=0, mosi=Pin(16), miso=Pin(4), sck=Pin(2))    spi.init(baudrate=125000) # set the baudrate    CS = Pin(17, Pin.OUT)    # create output pin on GPIO16    CS.value(1)             # set pin to on/high    time.sleep(1)    CS.value(0)             # set pin to on/high    #第4位设置电压采样输入p和n    txbuf =bytearray([15,81,0,1,252,0,1])    spi.write(txbuf)    txbuf =bytearray([0,0,0])    #读取三个字节    rxbuf=spi.read(3,0)    CS.value(1)             # set pin to on/high    return rxbuf

import ADX51Ximport time
Value=ADX51X.GetADCValue(1)print(str(hex(Value[0]))+"|"+str(hex(Value[1]))+"|"+str(hex(Value[2])))

/*    Analogysemi xutong    2024/03/06*/#include "ADX51X.h"#include "bsp_lpspi.h"//初始化ADX51Xvoid ADX51X_Init(void){  //拉PWDN和RST}//获取芯片的ID号//ADX51X default Value 0x20uint8_t ADX51X_GetChipID(void){    uint8_t ID;    ID=ADX51X_GetReg(ADX51X_STATUS);    return ID;}//获取芯片寄存器值uint8_t ADX51X_GetReg(uint8_t Rreg){   uint8_t TxData[3];   uint8_t RxData[3];    //读取命令，    TxData[0]=ADX51X_RREG|Rreg;    //选择要读取的寄存器    TxData[1]=0x00;    //读取单个寄存器    TxData[2]=0X00;    //开始读取    Lpspi_Read(3,TxData,RxData);    //返回寄存器值    return RxData[2];}//写单个芯片寄存器值void ADX51X_WriteReg(uint8_t Wreg,uint8_t Data){    uint8_t TxData[3];    //写入命令，    TxData[0]=ADX51X_WREG|Wreg;    //选择要写入的的寄存器    TxData[1]=0x00;    //读取写入寄存器    TxData[2]=Data;    Lpspi_Write(3,TxData);}//写多个芯片寄存器值//StartReg 起始寄存器地址//RegNum 要写的寄存器数量//*Data  寄存器参数传入void ADX51X_WriteMultiReg(uint8_t StartReg,uint8_t RegNum,uint8_t *Data){    uint8_t TxData[32];    uint8_t i;    //写入命令，    TxData[0]=ADX51X_WREG|StartReg;    //选择要写入的的寄存器    TxData[1]=RegNum-1;    for(i=0;i<RegNum;i++)    {       //将指针数据赋值给Txdata       TxData[2+i]=*Data;       //指向下个数据地址       Data++;    }    //最终发送多少个数据    Lpspi_Write(2+RegNum,TxData);}//读多个芯片寄存器值//StartReg 起始寄存器地址//RegNum 要写的寄存器数量//*Data  寄存器参数传出void ADX51X_ReadMultiReg(uint8_t StartReg,uint8_t RegNum,uint8_t *Data){    //读取寄存器    uint8_t TxData[3];    //读取命令，    TxData[0]=ADX51X_RREG|StartReg;    //选择要写入的的寄存器    TxData[1]=RegNum-1;    //最终接收多少个数据     Lpspi_Read(2+RegNum,TxData,Data);}//打印所有寄存器地址void ADX51X_GetAllReg(void){  uint8_t i,j;  for(i=0;i<20;i++)  {     j=ADX51X_GetReg(i);  }}//发送ADX51X 数据指令 如SDATAC或者RDATAC//详情见头文件command define部分void ADX51X_Command(uint8_t Com){    uint8_t TxData[1];    TxData[0]=Com;    Lpspi_Write(1,TxData);}//设定通道并且获取adc数据//获取ADC的值 //ADC负接在AIN1上void ADX51X_GetADC_Value(uint8_t AIN_P,uint8_t AIN_N,uint8_t *Rxdata){  uint8_t TxData[]={0,0,0};  // 可以在这里加DRDY的判断  ADX51X_Command(ADX51X_SDATAC);  ADX51X_WriteReg(ADX51X_MUX,AIN_P<<4|AIN_N);  ADX51X_Command(ADX51X_SYNC);  ADX51X_Command(ADX51X_WAKEUP);  ADX51X_Command(ADX51X_RDATA);  Lpspi_Read(3,TxData,Rxdata);    Lpspi_Stop();}

/*    Analogysemi xutong    2023/03/06*/#ifndef __ADX51X_H#define __ADX51X_H
#include "bsp_lpspi.h"

/*command define*/
#define ADX51X_WAKEUP 0x00#define ADX51X_RDATA   0x01#define ADX51X_RDATAC  0x03#define ADX51X_SDATAC  0x0F#define ADX51X_RREG    0x10#define ADX51X_WREG    0X50#define ADX51X_SELFCAL 0XF0#define ADX51X_SELFOCAL 0XF1#define ADX51X_SELFGCAL 0XF2#define ADX51X_SYSOCAL 0XF3#define ADX51X_SYSGCAL 0XF4#define ADX51X_SYNC     0XFC#define ADX51X_STANDBY 0xFD#define ADX51X_RESET   0xFE


//RREG Read n nnnn registers starting at address r rrrr //First Byte 001r rrrr (2xh)//Second Byte 000n nnnn //n nnnn = number of registers to be read or written – 1. For example, to read or write three registers, set n nnnn = 0 (0010). r rrrr = the//starting register address for read and write commands//WREG 同上



/*    寄存器定义*/#define  ADX51X_STATUS 0x00#define  ADX51X_MUX 0x01#define  ADX51X_ADCON 0x02#define  ADX51X_DRATE 0x03#define  ADX51X_IO 0x04#define  ADX51X_OFC0 0x05#define  ADX51X_OFC1 0x06#define  ADX51X_OFC2 0x07#define  ADX51X_FSC0 0x08#define  ADX51X_FSC1 0x09#define  ADX51X_FSC2 0x0A#define  ADX51X_CFG0 0x0B#define  ADX51X_CFG1 0x0C#define  ADX51X_CFG2 0x0D#define  ADX51X_CFG3 0x0E#define  ADX51X_CFG4 0x0F#define  ADX51X_CFG5 0x10#define  ADX51X_DEV_CFG 0x11#define  ADX51X_MOD_STAT 0x12#define  ADX51X_DEV_STAT 0x13#define  ADX51X_CMD_STAT 0x14

#define ADX51X_AIN0 0#define ADX51X_AIN1 1#define ADX51X_AIN2 2#define ADX51X_AIN3 3#define ADX51X_AIN4 4#define ADX51X_AIN5 5#define ADX51X_AIN6 6#define ADX51X_AIN7 7#define ADX51X_AIN_COM 8


/*  通道配置  channel config*/#define ADX51X_ADC_CH(x)  x  #define DRDY_PIN  P00//写命令void ADX51X_Command(uint8_t Com);//获取芯片的ID号uint8_t ADX51X_GetChipID(void);
//获取寄存器值uint8_t ADX51X_GetReg(uint8_t Rreg);//获取多个寄存器值void ADX51X_ReadMultiReg(uint8_t StartReg,uint8_t RegNum,uint8_t *Data);//写入寄存器值void ADX51X_WriteReg(uint8_t Wreg,uint8_t Data);//写多个寄存器的值void ADX51X_WriteMultiReg(uint8_t StartReg,uint8_t RegNum,uint8_t *Data);//获取所有寄存器值void ADX51X_GetAllReg(void);//设定通道并且获取ADC的值
void ADX51X_GetADC_Value(uint8_t AIN_P,uint8_t AIN_N,uint8_t *Rxdata);//初始化ADX51Xvoid ADX51X_Init(void);#endif