82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
#include "drv_adc.h"
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#include "adc_manager.h"
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#include "fault_manager.h"
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#include "eeprom_manager.h"
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#include "hv_adc_manager.h"
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#include "kit_data.h"
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#include "table_comm.h"
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#define MCU_REF_VOLT 3300
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#define MCU_MAX_AD_VALUE 4095
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#define ADC_SAMPLE_CNT 250
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uint16_t adc_dma_buf[kAdcDataEnd * ADC_SAMPLE_CNT];
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uint32_t adc_value[kAdcDataEnd];
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const AdcArray adc_array[kAdcDataEnd] =
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{
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kAdcChannel_1, kAdcSampleTime_480, // 开关电源5v电压
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kAdcChannel_10, kAdcSampleTime_480, // T1
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kAdcChannel_11, kAdcSampleTime_480, // T2
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kAdcChannel_12, kAdcSampleTime_480, // T3
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kAdcChannel_13, kAdcSampleTime_480, // T4
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kAdcChannel_8, kAdcSampleTime_480, // HALL1
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kAdcChannel_9, kAdcSampleTime_480, // HALL2
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};
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void bms_init_adc(void)
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{
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if (drv_adc_init(kAdcDev_1, adc_array, kAdcDataEnd, adc_dma_buf, ADC_SAMPLE_CNT) == false)
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{
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bms_set_fault_level(kFaultCode_Adc, kFaultLevel_Third, kFaultHandle_AlarmIdx);
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}
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}
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void bms_poll_adc(uint32_t base_time)
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{
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uint32_t i, tmp;
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if (drv_adc_is_overflow(kAdcDev_1) == true)
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{
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drv_adc_init(kAdcDev_1, adc_array, kAdcDataEnd, adc_dma_buf, ADC_SAMPLE_CNT);
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}
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for (i = 0; i < kAdcDataEnd; i++)
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{
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tmp = kit_get_dma_avg_filter_min_max(adc_dma_buf, kAdcDataEnd, i, ADC_SAMPLE_CNT);
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switch (i)
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{
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case kAdcData_5vVolt:
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adc_value[i] = 0; // 返回电压，0.1V/bit
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break;
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case kAdcData_Temp1:
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case kAdcData_Temp2:
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case kAdcData_Temp3:
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case kAdcData_Temp4:
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tmp = tmp * 10000 / (MCU_MAX_AD_VALUE - tmp); // 返回阻值，1Ω/bit
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adc_value[i] = bms_get_linear_temp(tmp, kNtcType_CWFH708_H713);
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bms_set_en_temp((EnTemp)(i - kAdcData_Temp1), adc_value[i]);
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break;
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case kAdcData_Hall1:
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case kAdcData_Hall2:
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// 扩大100倍，
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//adc_value[i] = tmp * (4 * 100 / 3);
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adc_value[i] = tmp * 3 / 4;//先获取电压值
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break;
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}
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}
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}
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uint32_t bms_get_adc_data(AdcData idx)
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{
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uint32_t tmp = 0;
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if (idx < kAdcDataEnd)
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{
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tmp = adc_value[idx];
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}
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return tmp;
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}
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