243 lines
6.1 KiB
C
243 lines
6.1 KiB
C
/**
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******************************************************************************
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* @file gpio.c
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* @author Jerry Cai
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* @version V2.1
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* @date 19-April-2022
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* @brief gpio program body.
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******************************************************************************
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* @attention
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*
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f10x.h"
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#include "global.h"
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//【引脚】
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//GPIOA
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#define PIN_T1 GPIO_Pin_5
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#define PIN_T2 GPIO_Pin_4
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#define PIN_T3 GPIO_Pin_1
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#define PIN_T4 GPIO_Pin_0
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//GPIOC
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#define PIN_LOAD_VOL GPIO_Pin_4
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//【ADC通道】
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#define CH_T1 ADC_Channel_5
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#define CH_T2 ADC_Channel_4
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#define CH_T3 ADC_Channel_1
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#define CH_T4 ADC_Channel_0
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#define CH_LOAD ADC_Channel_14
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int16_t TemperatureAverage; // 平均温度
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int16_t TemperatureMax; // 最高温度
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int16_t TemperatureMin; // 最低温度
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uint16_t TemperatureMaxIndex; // 最高温度序号
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uint16_t TemperatureMinIndex; // 最低温度序号
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uint32_t loadvol; //负载检测的电压
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//ADC单通道单次转换
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void uf_ADC_Init(void)
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{
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ADC_InitTypeDef ADC_InitStructure;
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GPIO_InitTypeDef GPIO_InitStructure;
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//PC4 负载电压检测脚
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
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GPIO_InitStructure.GPIO_Pin = PIN_LOAD_VOL;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
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GPIO_Init(GPIOC, &GPIO_InitStructure);
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//PA0.1.4.5 T1~T4输入引脚
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);
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GPIO_InitStructure.GPIO_Pin = PIN_T1 | PIN_T2 | PIN_T3 | PIN_T4;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE ); //使能ADC1通道时钟
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RCC_ADCCLKConfig(RCC_PCLK2_Div6); //设置ADC分频因子6,ADC最大时间不能超过14M
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ADC_DeInit(ADC1);
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ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
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ADC_InitStructure.ADC_ScanConvMode = DISABLE;
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ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
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ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None; //转换由软件而不是外部触发启动
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ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right; //ADC数据右对齐
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ADC_InitStructure.ADC_NbrOfChannel = 1; //顺序进行规则转换的ADC通道的数目
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ADC_Init(ADC1, &ADC_InitStructure);
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ADC_Cmd(ADC1, ENABLE); //使能指定的ADC1
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ADC_ResetCalibration(ADC1); //使能复位校准
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while(ADC_GetResetCalibrationStatus(ADC1)); //等待复位校准结束
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ADC_StartCalibration(ADC1); //开启AD校准
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while(ADC_GetCalibrationStatus(ADC1)); //等待校准结束
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}
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//指定通道ADC值
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uint16_t ADC_GetVal(uint8_t ch)
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{
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//设置指定ADC的规则组通道，一个序列，采样时间
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ADC_RegularChannelConfig(ADC1, ch, 1, ADC_SampleTime_239Cycles5 ); //ADC1,ADC通道,采样时间为239.5周期
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ADC_SoftwareStartConvCmd(ADC1, ENABLE); //使能指定的ADC1的软件转换启动功能
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while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC ));//等待转换结束
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return ADC_GetConversionValue(ADC1); //返回最近一次ADC1规则组的转换结果
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}
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//负载电压检测
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void LOAD_VOL(void)
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{
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uint16_t adcvol;
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adcvol = ADC_GetVal(CH_LOAD);
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loadvol = adcvol * 40 * 3300 / 4095; //将AD值线性变换到0~3.3V的范围，表示电压
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}
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//温度处理
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void MCU_TemperaProcess(void)
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{
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uint16_t adctmp[4]; //adc read value
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uint16_t resntc[4]; //res calc value
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uint16_t mcutmp[4];
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uint16_t T[4]; //4路MCU
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uint8_t i;
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//获取ADC值
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adctmp[0] = ADC_GetVal(CH_T1);
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adctmp[1] = ADC_GetVal(CH_T2);
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adctmp[2] = ADC_GetVal(CH_T3);
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adctmp[3] = ADC_GetVal(CH_T4);
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resntc[0] = (1000 * adctmp[0]) / (4096-adctmp[0]);
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resntc[1] = (1000 * adctmp[1]) / (4096-adctmp[1]);
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resntc[2] = (1000 * adctmp[2]) / (4096-adctmp[2]);
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resntc[3] = (1000 * adctmp[3]) / (4096-adctmp[3]);
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mcutmp[0] = TEMP_Cal(resntc[0]);
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mcutmp[1] = TEMP_Cal(resntc[1]);
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mcutmp[2] = TEMP_Cal(resntc[2]);
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mcutmp[3] = TEMP_Cal(resntc[3]);
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bmsMem.mcu_T1 = mcutmp[0];
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bmsMem.mcu_T2 = mcutmp[1];
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bmsMem.mcu_T3 = mcutmp[2];
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bmsMem.mcu_T4 = mcutmp[3];
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//当至少有1个温度可用时
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if((paraMem.temp_disable & 0x0F) != 0x0F)
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{
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uint8_t act_num = 0; //有效个数
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if((paraMem.temp_disable & BIT0) == 0)
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{
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T[act_num] = bmsMem.mcu_T1;
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act_num++;
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}
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if((paraMem.temp_disable & BIT1) == 0)
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{
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T[act_num] = bmsMem.mcu_T2;
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act_num++;
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}
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if((paraMem.temp_disable & BIT2) == 0)
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{
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T[act_num] = bmsMem.mcu_T3;
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act_num++;
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}
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if((paraMem.temp_disable & BIT3) == 0)
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{
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T[act_num] = bmsMem.mcu_T4;
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act_num++;
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}
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//平均温度
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TemperatureAverage = 0;
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for(i=0;i<act_num;i++)
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{
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TemperatureAverage += T[i];
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}
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TemperatureAverage = TemperatureAverage/act_num;
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//最高最低温度
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TemperatureMax = T[0];
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TemperatureMin = T[0];
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TemperatureMaxIndex = 0;
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TemperatureMinIndex = 0;
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for(i=0;i<act_num;i++)
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{
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if(TemperatureMax < T[i])
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{
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TemperatureMax = T[i];
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TemperatureMaxIndex = i;
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}
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if(TemperatureMin > T[i])
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{
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TemperatureMin = T[i];
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TemperatureMinIndex = i;
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}
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}
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}
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//当4路温度都不可用时
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else
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{
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TemperatureAverage = 0;
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TemperatureMin = 0;
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TemperatureMax = 0;
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TemperatureMinIndex = 0;
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TemperatureMaxIndex = 0;
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}
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//sum of all packs
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bmsMem.can_temp = TemperatureAverage;
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bmsMem.can_TempMax = TemperatureMax;
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bmsMem.can_TempMaxIndex = TemperatureMaxIndex;
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bmsMem.can_TempMin = TemperatureMin;
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bmsMem.can_TempMinIndex = TemperatureMinIndex;
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//当至少有1个温度可用时
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if((paraMem.temp_disable & 0x0F) != 0x0F)
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{
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//电芯温度告警和告警释放
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Trigger_mcuTAlarm(); //电芯温度告警
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Release_mcuTAlarm(); //电芯温度告警恢复
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//电芯温度保护和保护释放
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Trigger_mcuTProtect(); //电芯温度保护相关
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Release_mcuTProtect(); //电芯温度保护释放
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#if DO2_Warm
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//加热
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WARM_Ctrl(); //电芯低温启动加热，温度升高释放
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#endif
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}
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//当4路温度都不可用时
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else
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{
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bmsMem.bStatus2 &= ~0xF000;
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bmsMem.temperaStatus &= ~0x000F;
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}
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//电流告警和告警释放
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Trigger_CurAlarm(); //电流告警
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Release_CurAlarm(); //电流告警恢复
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//电流保护和保护释放
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Trigger_CurProtect(); //电流保护
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Release_CurProtect(); //电流保护释放
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/*电流保护连续出现的计算*/
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Trigger_CurProtectLock();
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}
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