94 lines
1.8 KiB
C
94 lines
1.8 KiB
C
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#include "FM_ADC.h"
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/* adc采集转换的比例 */
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/* 安卓系统启动后输出这个电压 */
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static float P_PwrOn_Voltage;
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/* 输入网关的电压 */
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static float P_In_Voltage;
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/* 输入网关的电流 */
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static float P_In_Current;
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/* 参考电压的大小 */
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#define referenceVoltage 3.3f
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/**
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* @brief 将采集的adc进行校准
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* @param val 采集的adc数据
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* @retval 校准后的adc数据
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*/
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static uint16_t Get_ConversionVal(int16_t val)
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{
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if((val + Calibrattion_Val) < 0 || val == 0)
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return 0;
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if((Calibrattion_Val + val) > 4095 || val == 4095)
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return 4095;
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return (val + Calibrattion_Val);
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}
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/**
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* @brief 初始化adc
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* @param
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* @retval
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*/
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void FM_ADC_Init(void)
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{
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HD_ADC_InIt();
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ADC_DMA_Init();
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startAdcCapture();
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}
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/**
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* @brief 打印adc生成的数据
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* @param
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* @retval
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*/
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void printf_adc_data(void)
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{
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printf("adc : %d, %d, %d\n", adcData[0], adcData[1], adcData[2]);
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printf("getSOCPwrOnVoltage: %d\n", (int)(getSOCPwrOnVoltage() * 1000.0f));
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printf("getInCurrent: %d\n", (int)(getInCurrent() * 1000.0f));
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printf("getInVoltage: %d\n", (int)(getInVoltage() * 1000.0f));
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}
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/**
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* @brief 初始化转换的比例
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* @param
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* @retval
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*/
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void proportionalInt(void)
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{
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P_PwrOn_Voltage = referenceVoltage / 4095.0f;
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P_In_Voltage = ((100.0f + 10.0f) / 10.0f) * referenceVoltage / 4095.0f;
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P_In_Current = ((1.0f / 50.0f) / (0.01f)) * referenceVoltage / 4095.0f;
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}
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/**
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* @brief 得到soc启动后输出电压
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* @param
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* @retval
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*/
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float getSOCPwrOnVoltage(void)
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{
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return (Get_ConversionVal(adcData[0]) * P_PwrOn_Voltage);
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}
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/**
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* @brief 得到输入网关盒子的电流
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* @param
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* @retval
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*/
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float getInCurrent(void)
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{
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return (Get_ConversionVal(adcData[1]) * P_In_Current);
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}
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/**
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* @brief 得到输入网关盒子的电压
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* @param
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* @retval
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*/
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float getInVoltage(void)
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{
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return (Get_ConversionVal(adcData[2]) * P_In_Voltage);
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} |