类比半导体CSD206M系列驱动程序

#include "main.h" #include "include.h" #include "spi.h" #include "CSD206M.h" #include "drive_gpio.h" #define Current_Lsb 31.25 void CSD206M_WriteReg(uint8_t addess,uint16_t reg) { uint8_t pTxData[3]; uint8_t pRxData[3]; pTxData[0] = (addess << 2) & 0xfc; pTxData[1] = (reg >> 8) & 0xff; pTxData[2] = (reg >> 0) & 0xff; CS_L; SPI_transmitreceive(pTxData,pRxData,3); CS_H; } uint16_t CSD206M_ReadReg(uint8_t addess) { uint8_t pTxData[3]; uint8_t pRxData[3]; uint16_t value; pTxData[0] = (addess << 2) | 0x01; CS_L; SPI_transmitreceive(pTxData,pRxData,3); CS_H; value = (pRxData[1] << 8) + pRxData[2]; return value; } uint32_t CSD206M_ReadReg20(uint8_t addess) { uint8_t pTxData[5]; uint8_t pRxData[5]; uint32_t value; pTxData[0] = (addess << 2) | 0x01; CS_L; SPI_transmitreceive(pTxData,pRxData,5); CS_H; value = (pRxData[1] << 12) + (pRxData[2] << 4) + ((pRxData[3] >> 4) & 0x0f); return value; } uint32_t CSD206M_ReadReg24(uint8_t addess) { uint8_t pTxData[5]; uint8_t pRxData[5]; uint32_t value; pTxData[0] = (addess << 2) | 0x01; CS_L; SPI_transmitreceive(pTxData,pRxData,5); CS_H; value = (pRxData[1] << 16) + (pRxData[2] << 8) + pRxData[3]; return value; } void CSD206M_config(CSD206M_Handle *sensor) { //Write sensor Configuration Registers CSD206M_WriteReg(CSD206M_CONFIG_REGISTER, sensor->configReg); CSD206M_WriteReg(CSD206M_CALIB_REGISTER, sensor->calibrationReg); /*CSD206M_WriteReg(CSD206M_ALERT_LIMIT_REGISTER, sensor->alertReg); CSD206M_WriteReg(CSD206M_CONFIG_TEMP_REGISTER, sensor->tempConfigReg); //CSD206M_WriteReg(CSD206M_CONFIG_TEMP_REGISTER, sensor->diagAlrtRegister); CSD206M_WriteReg(CSD206M_SOVL_TH_REGISTER, sensor->vshuntOLThrReg); CSD206M_WriteReg(CSD206M_SUVL_TH_REGISTER, sensor->vshuntULThrReg); CSD206M_WriteReg(CSD206M_BOVL_TH_REGISTER, sensor->vbusOLThrReg); CSD206M_WriteReg(CSD206M_BUVL_TH_REGISTER, sensor->vbusULThrReg); CSD206M_WriteReg(CSD206M_TEMP_OL_TH_REGISTER, sensor->tempOLThrReg); CSD206M_WriteReg(CSD206M_SMART_ALERT_REGISTER, sensor->smartAlertReg); //INA229_writeReg(CSD206M_POWER_OL_TH_REGISTER, sensor->pwrLimitRegister);*/ } float CSD206M_GetVshout_mV(CSD206M_Handle *sensor) { float value; uint32_t reg; float lsb,PoN = 1; reg = CSD206M_ReadReg20(CSD206M_VSHUNT_REGISTER); if(reg & 0x80000) { reg -= 1; reg = (~reg) & 0xfffff; PoN = -1; } if (sensor->configReg & 0X2000) { lsb = 5/16; } else { lsb = 2.5/16; } value = (reg * lsb) / 1000 * PoN; return value; } float CSD206M_GetVbus_V(void) { float value; uint32_t reg; float lsb = 0.125,PoN = 1; reg = CSD206M_ReadReg20(CSD206M_VBUS_REGISTER); if(reg & 0x80000) { reg -= 1; reg = (~reg) & 0xfffff; PoN = -1; } value = (reg * lsb) / 1000 * PoN; return value; } float CSD206M_GetPOWER(CSD206M_Handle *sensor) { float value; uint32_t reg; float lsb = 0.078125; uint16_t ADCRange,i; ADCRange = CSD206M_ReadReg(0x00); if(ADCRange & 0x2000) i = 2; else i = 1; reg = CSD206M_ReadReg24(CSD206M_POWRE_REGISTER); value = lsb * reg * i; return value; } float CSD206M_GetCURRENT(CSD206M_Handle *sensor) { float value,pos = 1; uint32_t reg; uint16_t ADCRange,i; ADCRange = CSD206M_ReadReg(0x00); if(ADCRange & 0x2000) i = 2; else i = 1; reg = CSD206M_ReadReg20(CSD206M_CURRENT_REGISTER); if(reg & 0x80000) { reg -= 1; reg = (~reg) & 0xfffff; pos = -1; } value = reg * Current_Lsb * i * pos; return value; }