433 lines
22 KiB
C
433 lines
22 KiB
C
/**
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****************************************************************************************************
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* @file fm33lg0xx_fl_adc.c
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* @author FMSH Application Team
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* @brief Src file of ADC FL Module
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****************************************************************************************************
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* @attention
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*
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* Copyright (c) [2021] [Fudan Microelectronics]
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* THIS SOFTWARE is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*
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****************************************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "fm33lg0xx_fl.h"
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/** @addtogroup FM33LG0xx_FL_Driver
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* @{
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*/
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/** @addtogroup ADC
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* @{
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*/
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#ifdef FL_ADC_DRIVER_ENABLED
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/* Private macros ------------------------------------------------------------*/
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/** @addtogroup ADC_FL_Private_Macros
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* @{
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*/
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#define IS_FL_ADC_INSTANCE(INSTANCE) ((INSTANCE) == ADC)
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#define IS_FL_ADC_CLK_SOURCE(__VALUE__) (((__VALUE__) == FL_CMU_ADC_CLK_SOURCE_RCLF)||\
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((__VALUE__) == FL_CMU_ADC_CLK_SOURCE_RCHF)||\
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((__VALUE__) == FL_CMU_ADC_CLK_SOURCE_XTHF)||\
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((__VALUE__) == FL_CMU_ADC_CLK_SOURCE_PLL)||\
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((__VALUE__) == FL_ADC_CLK_SOURCE_APBCLK))
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#define IS_FL_ADC_CMUCLK_PRESCALER(__VALUE__) (((__VALUE__) == FL_ADC_CLK_PSC_DIV1)||\
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((__VALUE__) == FL_ADC_CLK_PSC_DIV2)||\
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((__VALUE__) == FL_ADC_CLK_PSC_DIV4)||\
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((__VALUE__) == FL_ADC_CLK_PSC_DIV8)||\
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((__VALUE__) == FL_ADC_CLK_PSC_DIV16)||\
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((__VALUE__) == FL_ADC_CLK_PSC_DIV32))
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#define IS_FL_ADC_APBCLK_PRESCALER(__VALUE__) (((__VALUE__) == FL_ADC_CLK_PSC_DIV1)||\
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((__VALUE__) == FL_ADC_CLK_PSC_DIV2)||\
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((__VALUE__) == FL_ADC_CLK_PSC_DIV4)||\
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((__VALUE__) == FL_ADC_CLK_PSC_DIV8))
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#define IS_FL_ADC_REFERENCE_SOURCE(__VALUE__) (((__VALUE__) == FL_ADC_REF_SOURCE_VDDA)||\
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((__VALUE__) == FL_ADC_REF_SOURCE_VREFP))
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#define IS_FL_ADC_BITWIDTH(__VALUE__) (((__VALUE__) == FL_ADC_BIT_WIDTH_12B)||\
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((__VALUE__) == FL_ADC_BIT_WIDTH_10B)||\
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((__VALUE__) == FL_ADC_BIT_WIDTH_8B)||\
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((__VALUE__) == FL_ADC_BIT_WIDTH_6B))
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#define IS_FL_ADC_CONTINUOUSCONVMODE(__VALUE__) (((__VALUE__) == FL_ADC_CONV_MODE_SINGLE)||\
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((__VALUE__) == FL_ADC_CONV_MODE_CONTINUOUS))
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#define IS_FL_ADC_AUTO_MODE(__VALUE__) (((__VALUE__) == FL_ADC_SINGLE_CONV_MODE_AUTO)||\
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((__VALUE__) == FL_ADC_SINGLE_CONV_MODE_SEMIAUTO))
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#define IS_FL_ADC_SCANDIRECTION(__VALUE__) (((__VALUE__) == FL_ADC_SEQ_SCAN_DIR_FORWARD)||\
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((__VALUE__) == FL_ADC_SEQ_SCAN_DIR_BACKWARD))
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#define IS_FL_ADC_EXTERNALTRIGCONV(__VALUE__) (((__VALUE__) == FL_ADC_TRIGGER_EDGE_NONE)||\
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((__VALUE__) == FL_ADC_TRIGGER_EDGE_RISING)||\
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((__VALUE__) == FL_ADC_TRIGGER_EDGE_FALLING)||\
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((__VALUE__) == FL_ADC_TRIGGER_EDGE_BOTH))
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#define IS_FL_ADC_EXTERNALTRIGSOURCE(__VALUE__) (((__VALUE__) == FL_ADC_TRGI_LUT0)||\
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((__VALUE__) == FL_ADC_TRGI_LUT1)||\
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((__VALUE__) == FL_ADC_TRGI_LUT2)||\
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((__VALUE__) == FL_ADC_TRGI_ATIM)||\
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((__VALUE__) == FL_ADC_TRGI_GPTIM1)||\
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((__VALUE__) == FL_ADC_TRGI_GPTIM2)||\
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((__VALUE__) == FL_ADC_TRGI_BSTIM16)||\
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((__VALUE__) == FL_ADC_TRGI_LPTIM12)||\
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((__VALUE__) == FL_ADC_TRGI_COMP1)||\
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((__VALUE__) == FL_ADC_TRGI_COMP2)||\
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((__VALUE__) == FL_ADC_TRGI_RTCA)||\
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((__VALUE__) == FL_ADC_TRGI_LUT3)||\
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((__VALUE__) == FL_ADC_TRGI_GPTIM0)||\
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((__VALUE__) == FL_ADC_TRGI_COMP3))
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#define IS_FL_ADC_CHANNEL_FAST_TIME(__VALUE__) (((__VALUE__) == FL_ADC_FAST_CH_SAMPLING_TIME_2_ADCCLK)||\
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((__VALUE__) == FL_ADC_FAST_CH_SAMPLING_TIME_4_ADCCLK)||\
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((__VALUE__) == FL_ADC_FAST_CH_SAMPLING_TIME_8_ADCCLK)||\
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((__VALUE__) == FL_ADC_FAST_CH_SAMPLING_TIME_16_ADCCLK)||\
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((__VALUE__) == FL_ADC_FAST_CH_SAMPLING_TIME_32_ADCCLK)||\
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((__VALUE__) == FL_ADC_FAST_CH_SAMPLING_TIME_64_ADCCLK)||\
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((__VALUE__) == FL_ADC_FAST_CH_SAMPLING_TIME_80_ADCCLK)||\
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((__VALUE__) == FL_ADC_FAST_CH_SAMPLING_TIME_96_ADCCLK)||\
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((__VALUE__) == FL_ADC_FAST_CH_SAMPLING_TIME_128_ADCCLK)||\
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((__VALUE__) == FL_ADC_FAST_CH_SAMPLING_TIME_160_ADCCLK)||\
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((__VALUE__) == FL_ADC_FAST_CH_SAMPLING_TIME_192_ADCCLK)||\
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((__VALUE__) == FL_ADC_FAST_CH_SAMPLING_TIME_256_ADCCLK)||\
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((__VALUE__) == FL_ADC_FAST_CH_SAMPLING_TIME_320_ADCCLK)||\
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((__VALUE__) == FL_ADC_FAST_CH_SAMPLING_TIME_384_ADCCLK)||\
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((__VALUE__) == FL_ADC_FAST_CH_SAMPLING_TIME_512_ADCCLK))
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#define IS_FL_ADC_CHANNEL_SLOW_TIME(__VALUE__) (((__VALUE__) == FL_ADC_SLOW_CH_SAMPLING_TIME_2_ADCCLK)||\
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((__VALUE__) == FL_ADC_SLOW_CH_SAMPLING_TIME_4_ADCCLK)||\
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((__VALUE__) == FL_ADC_SLOW_CH_SAMPLING_TIME_8_ADCCLK)||\
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((__VALUE__) == FL_ADC_SLOW_CH_SAMPLING_TIME_16_ADCCLK)||\
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((__VALUE__) == FL_ADC_SLOW_CH_SAMPLING_TIME_32_ADCCLK)||\
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((__VALUE__) == FL_ADC_SLOW_CH_SAMPLING_TIME_64_ADCCLK)||\
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((__VALUE__) == FL_ADC_SLOW_CH_SAMPLING_TIME_80_ADCCLK)||\
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((__VALUE__) == FL_ADC_SLOW_CH_SAMPLING_TIME_96_ADCCLK)||\
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((__VALUE__) == FL_ADC_SLOW_CH_SAMPLING_TIME_128_ADCCLK)||\
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((__VALUE__) == FL_ADC_SLOW_CH_SAMPLING_TIME_160_ADCCLK)||\
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((__VALUE__) == FL_ADC_SLOW_CH_SAMPLING_TIME_192_ADCCLK)||\
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((__VALUE__) == FL_ADC_SLOW_CH_SAMPLING_TIME_256_ADCCLK)||\
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((__VALUE__) == FL_ADC_SLOW_CH_SAMPLING_TIME_320_ADCCLK)||\
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((__VALUE__) == FL_ADC_SLOW_CH_SAMPLING_TIME_384_ADCCLK)||\
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((__VALUE__) == FL_ADC_SLOW_CH_SAMPLING_TIME_512_ADCCLK))
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#define IS_FL_ADC_OVERSAMPCOFIG(__VALUE__) (((__VALUE__) == FL_DISABLE)||\
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((__VALUE__) == FL_ENABLE))
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#define IS_FL_ADC_OVERSAMPINGRATIO(__VALUE__) (((__VALUE__) == FL_ADC_OVERSAMPLING_MUL_2X)||\
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((__VALUE__) == FL_ADC_OVERSAMPLING_MUL_4X)||\
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((__VALUE__) == FL_ADC_OVERSAMPLING_MUL_8X)||\
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((__VALUE__) == FL_ADC_OVERSAMPLING_MUL_16X)||\
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((__VALUE__) == FL_ADC_OVERSAMPLING_MUL_32X)||\
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((__VALUE__) == FL_ADC_OVERSAMPLING_MUL_64X)||\
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((__VALUE__) == FL_ADC_OVERSAMPLING_MUL_128X)||\
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((__VALUE__) == FL_ADC_OVERSAMPLING_MUL_256X))
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#define IS_FL_ADC_OVERSAMPINGSHIFT(__VALUE__) (((__VALUE__) == FL_ADC_OVERSAMPLING_SHIFT_0B)||\
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((__VALUE__) == FL_ADC_OVERSAMPLING_SHIFT_1B)||\
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((__VALUE__) == FL_ADC_OVERSAMPLING_SHIFT_2B)||\
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((__VALUE__) == FL_ADC_OVERSAMPLING_SHIFT_3B)||\
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((__VALUE__) == FL_ADC_OVERSAMPLING_SHIFT_4B)||\
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((__VALUE__) == FL_ADC_OVERSAMPLING_SHIFT_5B)||\
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((__VALUE__) == FL_ADC_OVERSAMPLING_SHIFT_6B)||\
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((__VALUE__) == FL_ADC_OVERSAMPLING_SHIFT_7B)||\
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((__VALUE__) == FL_ADC_OVERSAMPLING_SHIFT_8B))
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#define ADC_CALIBRATIN_TIME_OUT (500000)
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/**
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* @}
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*/
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/* Exported functions --------------------------------------------------------*/
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/** @addtogroup ADC_FL_EF_Init
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* @{
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*/
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/**
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* @brief ADC外设寄存器值为复位值
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* @param 外设入口地址
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* @retval 返回错误状态，可能值：
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* -FL_PASS 外设寄存器值恢复复位值
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* -FL_FAIL 未成功执行
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*/
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FL_ErrorStatus FL_ADC_CommonDeInit(void)
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{
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/* 关闭总线时钟 */
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FL_CMU_DisableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_ADC);
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/* 关闭操作时钟 */
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FL_CMU_DisableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_ADC);
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return FL_PASS;
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}
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/**
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* @brief ADC共用寄存器设置以配置外设工作时钟
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*
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* @note 其中FL_LPTIM_OPERATION_MODE_EXTERNAL_ASYN_PAUSE_CNT 模式需要外部脉冲提供给LPTIM模块作为工作时钟，此时
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* LPTIM完全工作在异步模式下。
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* @param LPTIM 外设入口地址
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* @param LPTIM_InitStruct指向FL_LPTIM_TimeInitTypeDef类的结构体，它包含指定LPTIM外设的配置信息
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*
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* @retval ErrorStatus枚举值
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* -FL_FAIL 配置过程发生错误
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* -FL_PASS ADC配置成功
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*/
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FL_ErrorStatus FL_ADC_CommonInit(FL_ADC_CommonInitTypeDef *ADC_CommonInitStruct)
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{
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FL_ErrorStatus status = FL_PASS;
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/* 入口参数检查 */
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assert_param(IS_FL_ADC_CLK_SOURCE(ADC_CommonInitStruct->clockSource));
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assert_param(IS_FL_ADC_REFERENCE_SOURCE(ADC_CommonInitStruct->referenceSource));
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assert_param(IS_FL_ADC_BITWIDTH(ADC_CommonInitStruct->bitWidth));
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if(ADC_CommonInitStruct->clockSource == FL_ADC_CLK_SOURCE_APBCLK)
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{
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assert_param(IS_FL_ADC_APBCLK_PRESCALER(ADC_CommonInitStruct->clockPrescaler));
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}
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else
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{
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assert_param(IS_FL_ADC_CMUCLK_PRESCALER(ADC_CommonInitStruct->clockPrescaler));
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}
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/* 开启总线时钟 */
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FL_CMU_EnableGroup2BusClock(FL_CMU_GROUP2_BUSCLK_ADC);
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/* 配置ADC时钟 */
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if(ADC_CommonInitStruct->clockSource == FL_ADC_CLK_SOURCE_APBCLK)
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{
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/* 设置ADC时钟来源于APBCLK */
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FL_ADC_SetClockSource(ADC, FL_ADC_CLK_SOURCE_APBCLK);
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/* 配置APBCLOCK时钟预分频 */
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FL_ADC_SetAPBPrescaler(ADC, ADC_CommonInitStruct->clockPrescaler << ADC_CFGR1_APBCLK_PSC_Pos);
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}
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else
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{
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/* 设置ADC时钟来源于ADCCLK */
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FL_ADC_SetClockSource(ADC, FL_ADC_CLK_SOURCE_ADCCLK);
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/* 设置ADCCLK时钟源 */
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FL_CMU_SetADCClockSource(ADC_CommonInitStruct->clockSource);
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/* 配置ADCCLK时钟预分频 */
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FL_CMU_SetADCPrescaler(ADC_CommonInitStruct->clockPrescaler << CMU_OPCCR2_ADCPRSC_Pos);
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/* 开启操作时钟 */
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FL_CMU_EnableGroup3OperationClock(FL_CMU_GROUP3_OPCLK_ADC);
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}
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/* 配置ADC基准电压*/
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FL_ADC_SetReferenceSource(ADC, ADC_CommonInitStruct->referenceSource);
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/* 配置ADC输出位数*/
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FL_ADC_SetBitWidth(ADC, ADC_CommonInitStruct->bitWidth);
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return status;
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}
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/**
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* @brief 设置 ADC_CommonInitStruct 为默认配置
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* @param ADC_CommonInitStruct 指向需要将值设置为默认配置的结构体 @ref FL_ADC_CommonInitTypeDef 结构体
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*
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* @retval None
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*/
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void FL_ADC_CommonStructInit(FL_ADC_CommonInitTypeDef *ADC_CommonInitStruct)
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{
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/* 默认使用RCHF作为ADC时钟模块时钟源，预分频系数16 */
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ADC_CommonInitStruct->clockSource = FL_CMU_ADC_CLK_SOURCE_RCHF;
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ADC_CommonInitStruct->clockPrescaler = FL_CMU_ADC_PSC_DIV16;
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ADC_CommonInitStruct->referenceSource = FL_ADC_REF_SOURCE_VDDA;
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ADC_CommonInitStruct->bitWidth = FL_ADC_BIT_WIDTH_12B;
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}
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/**
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* @brief 恢复对应的ADC入口地址寄存器为默认值
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*
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* @param ADCx 外设入口地址
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*
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* @retval ErrorStatus枚举值
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* -FL_FAIL 配置过程发生错误
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* -FL_PASS ADC配置成功
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*/
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FL_ErrorStatus FL_ADC_DeInit(ADC_Type *ADCx)
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{
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FL_ErrorStatus status = FL_PASS;
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/* 入口合法性检查 */
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assert_param(IS_FL_ADC_INSTANCE(ADCx));
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/* 外设复位使能 */
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FL_RMU_EnablePeripheralReset(RMU);
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FL_RMU_EnableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_ADC);
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FL_RMU_DisableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_ADC);
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FL_RMU_EnableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_ADCCR);
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FL_RMU_DisableResetAPBPeripheral(RMU, FL_RMU_RSTAPB_ADCCR);
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FL_RMU_DisablePeripheralReset(RMU);
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return status;
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}
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/**
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* @brief 初始化ADCx指定的入口地址的外设寄存器
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*
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* @note 用户必须检查此函数的返回值，以确保自校准完成，否则转换结果精度无法保证，除此之外ADC使能过采样实际不会增加ADC的
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* 转换精度只会提高转换结果的稳定性（同时配置移位寄存器的情况下），同时过采样会降低转换速度。
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* @param ADCx 外设入口地址
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* @param ADC_InitStruct 指向一 @ref FL_ADC_InitTypeDef 结构体，它包含指定ADC外设的配置信息
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*
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* @retval ErrorStatus枚举值
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* -FL_FAIL 配置过程发生错误
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* -FL_PASS ADC配置成功
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*/
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FL_ErrorStatus FL_ADC_Init(ADC_Type *ADCx, FL_ADC_InitTypeDef *ADC_InitStruct)
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{
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FL_ErrorStatus status = FL_PASS;
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uint32_t i = 0, Calibration_Flag;
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/* 入口合法性检查 */
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assert_param(IS_FL_ADC_INSTANCE(ADCx));
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assert_param(IS_FL_ADC_CONTINUOUSCONVMODE(ADC_InitStruct->conversionMode));
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assert_param(IS_FL_ADC_AUTO_MODE(ADC_InitStruct->autoMode));
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assert_param(IS_FL_ADC_SCANDIRECTION(ADC_InitStruct->scanDirection));
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assert_param(IS_FL_ADC_EXTERNALTRIGCONV(ADC_InitStruct->externalTrigConv));
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assert_param(IS_FL_ADC_OVERSAMPCOFIG(ADC_InitStruct->oversamplingMode));
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assert_param(IS_FL_ADC_OVERSAMPINGRATIO(ADC_InitStruct->overSampingMultiplier));
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assert_param(IS_FL_ADC_OVERSAMPINGSHIFT(ADC_InitStruct->oversamplingShift));
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FL_CMU_EnableGroup1BusClock(FL_CMU_GROUP1_BUSCLK_VREF1P2);
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if(!FL_VREF_IsEnabled(VREF))
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{
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FL_VREF_ClearFlag_Ready(VREF);
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FL_VREF_Enable(VREF);//置位VREF_EN寄存器，使能VREF1p2模块
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}
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FL_VREF_EnableTemperatureSensor(VREF);//置位PTAT_EN寄存器
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while(FL_VREF_IsActiveFlag_Ready(VREF) == 0) /* 等待VREF建立 */
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{
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if(i >= 128000)
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{
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break;
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}
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i++;
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}
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FL_ADC_Disable(ADCx);
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FL_ADC_DisableOverSampling(ADCx);
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FL_ADC_Enable(ADCx);
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FL_ADC_EnableCalibration(ADC);
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i = 0;
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do
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{
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Calibration_Flag = FL_ADC_IsActiveFlag_EndOfCalibration(ADC);
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i++;
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} while((i != 0xFFFFFFFFU) && (Calibration_Flag == 0U)); //等待转换完成
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if(Calibration_Flag == 0x01)
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{
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FL_ADC_ClearFlag_EndOfCalibration(ADC);
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/* 关闭ADC，关闭后ADC自校准值依然保持 */
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FL_ADC_Disable(ADCx);
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if(FL_ADC_IsEnabled(ADCx) == 0U)
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{
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/* 连续转换模式 */
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FL_ADC_SetConversionMode(ADCx, ADC_InitStruct->conversionMode);
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/* 自动转换模式 */
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FL_ADC_SetSingleConversionAutoMode(ADCx, ADC_InitStruct->autoMode);
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/* 通道等待使能 */
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if(ADC_InitStruct->waitMode)
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{
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FL_ADC_EnableWaitMode(ADCx);
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}
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else
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{
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FL_ADC_DisableWaitMode(ADCx);
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}
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/*数据冲突模式设置*/
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if(ADC_InitStruct->overrunMode)
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{
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FL_ADC_EnableOverrunMode(ADCx);
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}
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else
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{
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FL_ADC_DisableOverrunMode(ADCx);
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}
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/* 多通道扫描方向 */
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FL_ADC_SetSequenceScanDirection(ADCx, ADC_InitStruct->scanDirection);
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/* 外部引脚触发 */
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FL_ADC_DisableExternalConversion(ADCx);
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/* 触发模式 */
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FL_ADC_SetTriggerEdge(ADCx, ADC_InitStruct->externalTrigConv);
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/* 触发源 */
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FL_ADC_SetTriggerSource(ADCx, ADC_InitStruct->triggerSource);
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/*通道采样时间设置*/
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FL_ADC_SetFastChannelSamplingTime(ADCx, ADC_InitStruct->fastChannelTime);
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FL_ADC_SetSlowChannelSamplingTime(ADCx, ADC_InitStruct->lowChannelTime);
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if(ADC_InitStruct->oversamplingMode)
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||
{
|
||
/*使能过采样倍数后，需要配置移位寄存器进行移位，这一过程是硬件自动完成的最终最大
|
||
可输出16位的结果值（即256被采样得到的结果是20bit的，右移4bit结果就是16bit的）*/
|
||
FL_ADC_SetOverSamplingMultiplier(ADCx, ADC_InitStruct->overSampingMultiplier);
|
||
FL_ADC_SetOverSamplingShift(ADCx, ADC_InitStruct->oversamplingShift);
|
||
/* 过采样使能 */
|
||
FL_ADC_EnableOverSampling(ADCx);
|
||
}
|
||
else
|
||
{
|
||
/* 关闭过采样 */
|
||
FL_ADC_DisableOverSampling(ADCx);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
status = FL_FAIL;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
status = FL_FAIL;
|
||
}
|
||
return status;
|
||
}
|
||
|
||
/**
|
||
* @brief 设置 ADC_InitStruct 为默认配置
|
||
* @param ADC_InitStruct 指向需要将值设置为默认配置的结构体 @ref FL_ADC_InitTypeDef 结构体
|
||
*
|
||
* @retval None
|
||
*/
|
||
void FL_ADC_StructInit(FL_ADC_InitTypeDef *ADC_InitStruct)
|
||
{
|
||
ADC_InitStruct->conversionMode = FL_ADC_CONV_MODE_SINGLE;
|
||
ADC_InitStruct->autoMode = FL_ADC_SINGLE_CONV_MODE_AUTO;
|
||
ADC_InitStruct->scanDirection = FL_ADC_SEQ_SCAN_DIR_FORWARD;
|
||
ADC_InitStruct->externalTrigConv = FL_ADC_TRIGGER_EDGE_NONE;
|
||
ADC_InitStruct->overrunMode = FL_ENABLE;
|
||
ADC_InitStruct->waitMode = FL_ENABLE;
|
||
ADC_InitStruct->fastChannelTime = FL_ADC_FAST_CH_SAMPLING_TIME_2_ADCCLK;
|
||
ADC_InitStruct->lowChannelTime = FL_ADC_SLOW_CH_SAMPLING_TIME_512_ADCCLK;
|
||
ADC_InitStruct->oversamplingMode = FL_ENABLE;
|
||
ADC_InitStruct->overSampingMultiplier = FL_ADC_OVERSAMPLING_MUL_16X;
|
||
ADC_InitStruct->oversamplingShift = FL_ADC_OVERSAMPLING_SHIFT_4B;
|
||
}
|
||
|
||
/**
|
||
* @}
|
||
*/
|
||
|
||
#endif /* FL_ADC_DRIVER_ENABLED */
|
||
|
||
/**
|
||
* @}
|
||
*/
|
||
|
||
/**
|
||
* @}
|
||
*/
|
||
|
||
/********************** (C) COPYRIGHT Fudan Microelectronics **** END OF FILE ***********************/
|
||
|
||
|