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129 lines
4.8 KiB
C
129 lines
4.8 KiB
C
#ifndef __WM_ADC_H__
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#define __WM_ADC_H__
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#include "wm_hal.h"
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typedef struct
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{
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uint32_t channel; /* ADC_CHANNEL_0 : channel 0
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* ADC_CHANNEL_1 : channel 1
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* ADC_CHANNEL_2 : channel 2
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* ADC_CHANNEL_3 : channel 3
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* ADC_CHANNEL_0_1 : channel 0 and channel 1 differential input
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* ADC_CHANNEL_2_3 : channel 2 and channel 3 differential input */
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uint32_t freq; /* 307hz ~ 2khz */
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uint32_t cmp_val; /* compare value */
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uint32_t cmp_pol; /* CMP_POL_0 : when adc_result >= cmp_val interrupt
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* CMP_POL_1 : whrn adc_result < cmp_val interrtup */
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}ADC_InitTypeDef;
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typedef struct __ADC_HandleTypeDef
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{
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ADC_TypeDef *Instance;
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ADC_InitTypeDef Init;
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HAL_LockTypeDef Lock;
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int offset;
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}ADC_HandleTypeDef;
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#define ADC ((ADC_TypeDef *)ADC_BASE)
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#define ADC_CHANNEL_0 ADC_ANA_CR_CH_0
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#define ADC_CHANNEL_1 ADC_ANA_CR_CH_1
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#define ADC_CHANNEL_2 ADC_ANA_CR_CH_2
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#define ADC_CHANNEL_3 ADC_ANA_CR_CH_3
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#define ADC_CHANNEL_0_1 ADC_ANA_CR_CH_8
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#define ADC_CHANNEL_2_3 ADC_ANA_CR_CH_9
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#define ADC_CHANNEL_TEMP ADC_ANA_CR_CH_TEMP
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#define ADC_CHANNEL_OFFSET ADC_ANA_CR_CH_OFFSET
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#define ADC_FREQ_MIN 307
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#define ADC_FREQ_MAX 2000
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#define CMP_POL_0 0x0UL
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#define CMP_POL_1 ADC_ADC_CR_CMPPOL
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#define HAL_ADC_STATE_RESET 0x00000000U
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#define HAL_ADC_STATE_READY 0x00000001U
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#define HAL_ADC_STATE_BUSY_INTERNAL 0x00000002U
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#define HAL_ADC_STATE_TIMEOUT 0x00000004U
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#define IS_ADC_ALL_INSTANCE(INSTANCE) ((INSTANCE) == ADC)
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#define IS_ADC_CHANNEL(CHANNEL) (((CHANNEL) == ADC_CHANNEL_0) || \
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((CHANNEL) == ADC_CHANNEL_1) || \
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((CHANNEL) == ADC_CHANNEL_2) || \
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((CHANNEL) == ADC_CHANNEL_3) || \
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((CHANNEL) == ADC_CHANNEL_0_1) || \
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((CHANNEL) == ADC_CHANNEL_2_3) )
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#define IS_ADC_CMP_POL(POL) (((POL) == CMP_POL_0) || \
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((POL) == CMP_POL_1))
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#define IS_ADC_FREQUENCY(FREQ) (((FREQ) >= ADC_FREQ_MIN) && ((FREQ) <= ADC_FREQ_MAX))
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#define __HAL_ADC_ENABLE(__HANDLE__) (MODIFY_REG((__HANDLE__)->Instance->ANA_CR, ADC_ANA_CR_CH | ADC_ANA_CR_PD | ADC_ANA_CR_RST | ADC_ANA_CR_LDOEN, \
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(__HANDLE__)->Init.channel | ADC_ANA_CR_RST | ADC_ANA_CR_LDOEN))
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#define __HAL_ADC_DISABLE(__HANDLE__) (MODIFY_REG((__HANDLE__)->Instance->ANA_CR, ADC_ANA_CR_PD | ADC_ANA_CR_RST | ADC_ANA_CR_LDOEN, \
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ADC_ANA_CR_PD))
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#define __HAL_ADC_CLEAR_FLAG(__HANDLE__, __FLAG__) \
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(WRITE_REG((__HANDLE__)->Instance->IF, (__FLAG__)))
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#define __HAL_ADC_INT_ENABLE(__HANDLE__, __FLAG__) (SET_BIT((__HANDLE__)->Instance->ADC_CR, __FLAG__))
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#define __HAL_ADC_INT_DISABLE(__HANDLE__, __FLAG__) (CLEAR_BIT((__HANDLE__)->Instance->ADC_CR, __FLAG__))
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#define __HAL_ADC_GET_IT_SOURCE(__HANDLE__, __INTERRUPT__) \
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(((__HANDLE__)->Instance->ADC_CR & (__INTERRUPT__)) == (__INTERRUPT__))
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#define __HAL_ADC_GET_FLAG(__HANDLE__, __FLAG__) \
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((((__HANDLE__)->Instance->IF) & (__FLAG__)) == (__FLAG__))
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HAL_StatusTypeDef HAL_ADC_Init(ADC_HandleTypeDef* hadc);
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HAL_StatusTypeDef HAL_ADC_DeInit(ADC_HandleTypeDef *hadc);
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void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc);
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void HAL_ADC_MspDeInit(ADC_HandleTypeDef* hadc);
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// AD转换功能以查询方式实现所对应的开始、停止、查询是否转换完成、获取转换结果
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HAL_StatusTypeDef HAL_ADC_Start(ADC_HandleTypeDef* hadc);
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HAL_StatusTypeDef HAL_ADC_Stop(ADC_HandleTypeDef* hadc);
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HAL_StatusTypeDef HAL_ADC_PollForConversion(ADC_HandleTypeDef* hadc);
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int HAL_ADC_GetValue(ADC_HandleTypeDef* hadc);
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// 该接口调用了以上接口，实现了一个完整的查询转换过程，并返回结果，可以直接调用该接口获取转换结果，返回值单位mv
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int HAL_ADC_GET_INPUT_VOLTAGE(ADC_HandleTypeDef* hadc);
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// AD转换功能以中断方式实现所对应的开始、停止、中断回调函数
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HAL_StatusTypeDef HAL_ADC_Start_IT(ADC_HandleTypeDef* hadc);
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HAL_StatusTypeDef HAL_ADC_Stop_IT(ADC_HandleTypeDef* hadc);
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void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadc);
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// AD比较功能以中断方式实现所对应的开始、停止、中断回调函数
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HAL_StatusTypeDef HAL_ADC_Start_Compare_IT(ADC_HandleTypeDef* hadc);
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HAL_StatusTypeDef HAL_ADC_Stop_Compare_IT(ADC_HandleTypeDef* hadc);
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void HAL_ADC_CompareCallback(ADC_HandleTypeDef* hadc);
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void HAL_ADC_IRQHandler(ADC_HandleTypeDef* hadc);
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int adc_get_inputvolt(uint8_t channel);
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uint32_t adc_get_offset(void);
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#endif
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