114 lines
3.0 KiB
C
114 lines
3.0 KiB
C
#ifndef __ADC_API_H__
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#define __ADC_API_H__
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/**
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* \name AD channel define
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* \{
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*/
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#define AD_CH_PA07 (0x0)
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#define AD_CH_PA08 (0x1)
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#define AD_CH_PA10 (0x2)
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#define AD_CH_PB01 (0x3)
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#define AD_CH_PB06 (0x4)
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#define AD_CH_PB07 (0x5)
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#define AD_CH_PC00 (0x6)
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#define AD_CH_PC01 (0x7)
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#define AD_CH_PC09 (0x8)
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#define AD_CH_PC10 (0x9)
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#define AD_CH_PH00 (0xa)
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#define AD_CH_PH03 (0xb)
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#define AD_CH_DM (0xc)
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#define AD_CH_DP (0xd)
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#define AD_CH_RTC (0xe)
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#define AD_CH_PMU (0xf)
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#define AD_CH_SYSPLL (0xf)
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#define AD_CH_AUDIO (0xf)
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#define AD_CH_WIFI (0xf)
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#define AD_CH_CTMU (0xf)
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#define ADC_PMU_CH_VBG (0x0<<16)
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#define ADC_PMU_CH_VDC14 (0x1<<16)
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#define ADC_PMU_CH_SYSVDD (0x2<<16)
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#define ADC_PMU_CH_VTEMP (0x3<<16)
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#define ADC_PMU_CH_PROGF (0x4<<16)
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#define ADC_PMU_CH_VBAT (0x5<<16) //1/4 vbat
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#define ADC_PMU_CH_LDO5V (0x6<<16) //1/4 LDO 5V
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#define ADC_PMU_CH_WVDD (0x7<<16)
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#define AD_CH_LDOREF AD_CH_PMU_VBG
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#define AD_CH_PMU_VBG (AD_CH_PMU | ADC_PMU_CH_VBG)
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#define AD_CH_VDC14 (AD_CH_PMU | ADC_PMU_CH_VDC14)
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#define AD_CH_SYSVDD (AD_CH_PMU | ADC_PMU_CH_SYSVDD)
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#define AD_CH_VTEMP (AD_CH_PMU | ADC_PMU_CH_VTEMP)
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#define AD_CH_VBAT (AD_CH_PMU | ADC_PMU_CH_VBAT)
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#define AD_CH_LDO5V (AD_CH_PMU | ADC_PMU_CH_LDO5V)
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#define AD_CH_WVDD (AD_CH_PMU | ADC_PMU_CH_WVDD)
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#define AD_AUDIO_VCM ((BIT(0))<<16)
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#define AD_AUDIO_VOUTL ((BIT(1))<<16)
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#define AD_AUDIO_VOUTR ((BIT(2))<<16)
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#define AD_AUDIO_DACVDD ((BIT(3))<<16)
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#define AD_CH_VCM (AD_CH_AUDIO | AD_AUDIO_VCM)
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#define AD_CH_VOUTL (AD_CH_AUDIO | AD_AUDIO_VOUTL)
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#define AD_CH_VOUTR (AD_CH_AUDIO | AD_AUDIO_VOUTR)
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#define AD_CH_DACVDD (AD_CH_AUDIO | AD_AUDIO_DACVDD)
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#define ADC_MAX_CH 10
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/* \} name */
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/**
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* @brief adc_init, adc初始化
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*/
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void adc_init(void);
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/**
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* @brief adc_pmu_detect_en, 使能adc通道
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* @param ch : ADC通道号, AD_CH_PA07
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*/
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void adc_pmu_detect_en(u32 ch);
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/**
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* @brief adc_vdc14_save, 存储vdc14的值
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*/
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void adc_vdc14_save(void);
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/**
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* @brief adc_vdc14_restore, 再次存储vdc14的值，避免被中途修改
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*/
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void adc_vdc14_restore(void);
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/**
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* @brief adc_get_value, 获取adc通道测得的数值(3.3*数值/1024)即得对应的电压值采用等待的方式采值，直到转换结束，才出来，即死等
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* @param ch : ADC通道号, AD_CH_PA07
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* @return 当前通道的AD值
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*/
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u32 adc_get_value(u32 ch);
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/**
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* @brief adc_add_sample_ch, 添加adc测试通道
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* @param ch : ADC通道号
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* @return 当前通道值
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*/
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u32 adc_add_sample_ch(u32 ch);
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/**
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* @brief adc_remove_sample_ch, 移除adc测试通道
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* @param ch : ADC通道号
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* @return 当前通道值
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*/
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u32 adc_remove_sample_ch(u32 ch);
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/**
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* @brief adc_get_voltage, 换算电压的公式函数, 获取adc通道电压值，如果测得与实际不符，则需留意芯片是否trim过，trim值是否正确。
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* @param ch : ADC通道号
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* @return 当前通道的电压值，单位mv
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*/
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u32 adc_get_voltage(u32 ch);
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#endif
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