#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; }
#ifndef _CSD206M_H_ #define _CSD206M_H_ #define CSD206M_CONFIG_REGISTER 0X00 #define CSD206M_VSHUNT_REGISTER 0X01 #define CSD206M_VBUS_REGISTER 0X02 #define CSD206M_POWRE_REGISTER 0X03 #define CSD206M_CURRENT_REGISTER 0X04 #define CSD206M_CALIB_REGISTER 0X05 #define CSD206M_MASK_EN_REGISTER 0X06 #define CSD206M_ALERT_LIMIT_REGISTER 0X07 #define CSD206M_CONFIG_TEMP_REGISTER 0X10 #define CSD206M_DIETEMP_REGISTER 0X11 #define CSD206M_TEMPCOCONFIG_REGISTER 0X12 #define CSD206M_SOVL_TH_REGISTER 0X13 #define CSD206M_SUVL_TH_REGISTER 0X14 #define CSD206M_BOVL_TH_REGISTER 0X15 #define CSD206M_BUVL_TH_REGISTER 0X16 #define CSD206M_POWER_OL_TH_REGISTER 0X17 #define CSD206M_TEMP_OL_TH_REGISTER 0X18 #define CSD206M_DIAG_ALERT_REGISTER 0X19 #define CSD206M_SMART_ALERT_REGISTER 0X1A #define CSD206M_ADV_CTRL_REGISTER 0X1B #define CSD206M_Manufacturer_ID_REGISTER 0XFE #define CSD206M_Die_ID_REGISTER 0XFF //CSD206M_CONFIG_REGISTER #define rst_Normal 0x0000 #define rst_SystemReset 0x8000 #define VSHUNT_range_81_92mv 0x0000 #define VSHUNT_range_163_84mv 0x2000 #define Temperature_Sensor_Dis 0x0000 #define Temperature_Sensor_Enable 0x0100 #define Averaging_1 0x0000 #define Averaging_4 0x0200 #define Averaging_16 0x0400 #define Averaging_64 0x0600 #define Averaging_128 0x0800 #define Averaging_256 0x0a00 #define Averaging_512 0x0c00 #define Averaging_1024 0x0e00 #define VBUS_Conversion_Time_148us 0x0000 #define VBUS_Conversion_Time_212us 0x0040 #define VBUS_Conversion_Time_340us 0x0080 #define VBUS_Conversion_Time_596us 0x00c0 #define VBUS_Conversion_Time_1108us 0x0100 #define VBUS_Conversion_Time_2132us 0x0140 #define VBUS_Conversion_Time_4180us 0x0180 #define VBUS_Conversion_Time_8276us 0x01c0 #define VSHUNT_Conversion_Time_148us 0x0000 #define VSHUNT_Conversion_Time_212us 0x0008 #define VSHUNT_Conversion_Time_340us 0x0010 #define VSHUNT_Conversion_Time_596us 0x0018 #define VSHUNT_Conversion_Time_1108us 0x0020 #define VSHUNT_Conversion_Time_2132us 0x0028 #define VSHUNT_Conversion_Time_4180us 0x0030 #define VSHUNT_Conversion_Time_8276us 0x0038 #define Mode_Power_Down 0x0000 #define Mode_Shunt_Voltage_Triggered 0x0001 #define Mode_Bus_Voltage_Triggered 0x0002 #define Mode_Shunt_and_Bus_Triggered 0x0003 #define Mode_Shutdown 0x0004 #define Mode_Shunt_Voltage_Continuous 0x0005 #define Mode_Bus_Voltage_Continuous 0x0006 #define Mode_Shunt_and_Bus_Continuous 0x0007 //CSD206M_MASK_EN_REGISTER #define VSHUNT_Over_Limit_Alert_dis 0x0000 #define VSHUNT_Over_Limit_Alert_EN 0x8000 #define VSHUNT_Under_Limit_Alert_dis 0x0000 #define VSHUNT_Under_Limit_Alert_EN 0x4000 #define VBUS_Over_Limit_Alert_dis 0x0000 #define VBUS_Over_Limit_Alert_EN 0x2000 #define VBUS_Under_Limit_Alert_dis 0x0000 #define VBUS_Under_Limit_Alert_EN 0x1000 #define POWER_Over_Limit_Alert_dis 0x0000 #define POWER_Over_Limit_Alert_EN 0x0800 #define Conversion_Ready 0X0400 #define Slow_Alert_non_Averaged 0x0000 #define Slow_Alert_Averaged 0x0200 #define Alert_Function_Flag 0x0010 //#define //CSD206M_CONFIG_TEMP_REGISTER #define Temperature_Over_Limit 0x8000 #define TEMPCO_dis 0x0000 #define TEMPCO_EN 0x4000 #define TEMP_Conversion_Time_148us 0x0000 #define TEMP_Conversion_Time_212us 0x0001 #define TEMP_Conversion_Time_340us 0x0002 #define TEMP_Conversion_Time_596us 0x0003 #define TEMP_Conversion_Time_1108us 0x0004 #define TEMP_Conversion_Time_2132us 0x0005 #define TEMP_Conversion_Time_4180us 0x0006 #define TEMP_Conversion_Time_8276us 0x0007 //CSD206M_DIAG_ALERT_REGISTER #define VShunt_Over_Limit_Flag 0x8000 #define VShunt_Under_Limit_Flag 0x4000 #define VBus_Over_Limit_Flag 0x2000 #define VBus_Under_Limit_Flag 0x1000 #define Power_Over_Limit_Flag 0x0800 #define Temp_Over_Limit_Flag 0x0400 #define Math_Overflow_Flag 0x0200 #define Conversion_Ready_Flag 0x0100 #define ALERT_function_flag 0x0080 #define CheckSum_Error_Flag 0x0001 typedef struct { uint16_t configReg; uint16_t calibrationReg; //uint16_t maskReg; uint16_t alertReg; uint16_t tempConfigReg; //uint16_t tempCorReg; uint16_t vshuntOLThrReg; uint16_t vshuntULThrReg; uint16_t vbusOLThrReg; uint16_t vbusULThrReg; uint16_t tempOLThrReg; uint16_t smartAlertReg; //uint16_t advancedDontrolReg; }CSD206M_Handle; void CSD206M_config(CSD206M_Handle *sensor); float CSD206M_GetVshout_mV(CSD206M_Handle *sensor); float CSD206M_GetVbus_V(void); float CSD206M_GetPOWER(CSD206M_Handle *sensor); float CSD206M_GetCURRENT(CSD206M_Handle *sensor); #endif
类比半导体CSD206M驱动 参考
功率监控，可以采集电流电压