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115 lines
3.0 KiB
C
115 lines
3.0 KiB
C
/**
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*************************************************************************************
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* @file sradc.h
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* @author Yancy
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* @version v1.0.0
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* @date 2013/05/29
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* @brief Sar ADC driver header file
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* Copyright (C) Shanghai Mountain View Silicon Technology Co.,Ltd. All rights reserved.
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*************************************************************************************
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*/
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#ifndef __ADC_H__
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#define __ADC_H__
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#ifdef __cplusplus
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extern "C" {
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#endif//__cplusplus
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/**
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* ADC 通道选择
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* Note: 不要更改以下宏定义!
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*/
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#define ADC_CHANNEL_LDOIN 0 /**< ADC channel: LDOIN*/
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#define ADC_CHANNEL_B5 2 /**< ADC channel: GPIO B5*/
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#define ADC_CHANNEL_B6 3 /**< ADC channel: GPIO B6 */
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#define ADC_CHANNEL_B7 4 /**< ADC channel: GPIO B7 */
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#define ADC_CHANNEL_B22 5 /**< ADC channel: GPIO B22*/
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#define ADC_CHANNEL_B23 6 /**< ADC channel: GPIO B23*/
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#define ADC_CHANNEL_B24 7 /**< ADC channel: GPIO B24*/
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#define ADC_CHANNEL_B25 8 /**< ADC channel: GPIO B25*/
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#define ADC_CHANNEL_C7 9 /**< ADC channel: GPIO C7*/
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#define ADC_CHANNEL_C8 10 /**< ADC channel: GPIO C8 */
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#define ADC_CHANNEL_C9 11 /**< ADC channel: GPIO C9*/
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/**
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* @brief 配置gpio为sar adc通道
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* @param AdcChannel: 需要配置的adc channel
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* @arg ADC_CHANNEL_B5
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* @arg ADC_CHANNEL_B6
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* @arg ADC_CHANNEL_B7
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* @arg ADC_CHANNEL_B22
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* @arg ADC_CHANNEL_B23
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* @arg ADC_CHANNEL_B24
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* @arg ADC_CHANNEL_B25
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* @arg ADC_CHANNEL_C7
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* @arg ADC_CHANNEL_C8
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* @arg ADC_CHANNEL_C9
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* @return void
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*/
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void SarAdcGpioSel(uint8_t AdcChannel);
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/**
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* @brief 读取ADC通道的采样值，参考电压为LDO3V3
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* @param Channel: ADC channel ID
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* @arg ADC_CHANNEL_LDOIN
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* @arg ADC_CHANNEL_B5
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* @arg ADC_CHANNEL_B6
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* @arg ADC_CHANNEL_B7
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* @arg ADC_CHANNEL_B22
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* @arg ADC_CHANNEL_B23
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* @arg ADC_CHANNEL_B24
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* @arg ADC_CHANNEL_B25
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* @arg ADC_CHANNEL_C7
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* @arg ADC_CHANNEL_C8
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* @arg ADC_CHANNEL_C9
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* @return 获取的采样值
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*/
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uint16_t SarAdcChannelGetValue(uint8_t Channel);
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/**
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* @brief 调用SarAdcGetLdoinVoltage前的初始化，只需调用一次。
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* @param void
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* @return void
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*/
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void SarAdcLdoinVolInit(void);
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/**
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* @brief 读取LDOIN的电压值
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* @param NONE
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* @return 以毫伏为单位的电压值
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* @note 在调用SarAdcGetLdoinVoltage函数之前，需调用SarAdcLdoinVolInit进行初始化
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*/
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uint16_t SarAdcGetLdoinVoltage(void);
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/**
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* @brief 读取GPIO的电压值
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* @param Channel: ADC channel ID
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* @return 以毫伏为单位的电压值
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*/
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uint16_t SarAdcGetGpioVoltage(uint8_t Channel);
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/**
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* @brief 读取锂电池剩余电量
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* @param None
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* @return 剩余电量的百分比，返回值为0~100
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*/
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uint8_t SarAdcGetRemainBatteryCapacity(void);
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/**
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* @brief PowerDown ADC for low power
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* @param void
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* @return void
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* @note 在进入休眠时通过powerdown ADC降低功耗
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*/
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void SarAdcPowerDown(void);
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#ifdef __cplusplus
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}
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#endif//__cplusplus
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#endif
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