From 7d7389cac55952fcb794d2632747a8adc1e119ee Mon Sep 17 00:00:00 2001 From: Dien-Nhung Nguyen-Phu Date: Wed, 15 May 2024 12:43:35 +0700 Subject: init blink project generated project from EVT --- .../StdPeriphDriver/CH58x_adc.c | 235 +++++++++++++++++++++ 1 file changed, 235 insertions(+) create mode 100644 CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_adc.c (limited to 'CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_adc.c') diff --git a/CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_adc.c b/CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_adc.c new file mode 100644 index 0000000..de86726 --- /dev/null +++ b/CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_adc.c @@ -0,0 +1,235 @@ +/********************************** (C) COPYRIGHT ******************************* + * File Name : CH58x_adc.c + * Author : WCH + * Version : V1.2 + * Date : 2021/11/17 + * Description + ********************************************************************************* + * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd. + * Attention: This software (modified or not) and binary are used for + * microcontroller manufactured by Nanjing Qinheng Microelectronics. + *******************************************************************************/ + +#include "CH58x_common.h" + +/********************************************************************* + * @fn ADC_DataCalib_Rough + * + * @brief 采样数据粗调,获取偏差值,必须先配置ADC后调用此函数获取校准值 + * + * @param none + * + * @return 偏差 + */ +signed short ADC_DataCalib_Rough(void) // 采样数据粗调,获取偏差值 +{ + uint16_t i; + uint32_t sum = 0; + uint8_t ch = 0; // 备份通道 + + ch = R8_ADC_CHANNEL; + + ADC_ChannelCfg(1); // ADC校准通道请选择通道1 + R8_ADC_CFG |= RB_ADC_OFS_TEST; // 进入测试模式 + R8_ADC_CONVERT = RB_ADC_START; + while(R8_ADC_CONVERT & RB_ADC_START); + for(i = 0; i < 16; i++) + { + R8_ADC_CONVERT = RB_ADC_START; + while(R8_ADC_CONVERT & RB_ADC_START); + sum += (~R16_ADC_DATA) & RB_ADC_DATA; + } + sum = (sum + 8) >> 4; + R8_ADC_CFG &= ~RB_ADC_OFS_TEST; // 关闭测试模式 + + R8_ADC_CHANNEL = ch; + + return (2048 - sum); +} + +/********************************************************************* + * @fn ADC_ExtSingleChSampInit + * + * @brief 外部信号单通道采样初始化 + * + * @param sp - refer to ADC_SampClkTypeDef + * @param ga - refer to ADC_SignalPGATypeDef + * + * @return none + */ +void ADC_ExtSingleChSampInit(ADC_SampClkTypeDef sp, ADC_SignalPGATypeDef ga) +{ + R8_TKEY_CFG &= ~RB_TKEY_PWR_ON; + R8_ADC_CFG = RB_ADC_POWER_ON | RB_ADC_BUF_EN | (sp << 6) | (ga << 4); +} + +/********************************************************************* + * @fn ADC_ExtDiffChSampInit + * + * @brief 外部信号差分通道采样初始化 + * + * @param sp - refer to ADC_SampClkTypeDef + * @param ga - refer to ADC_SignalPGATypeDef + * + * @return none + */ +void ADC_ExtDiffChSampInit(ADC_SampClkTypeDef sp, ADC_SignalPGATypeDef ga) +{ + R8_TKEY_CFG &= ~RB_TKEY_PWR_ON; + R8_ADC_CFG = RB_ADC_POWER_ON | RB_ADC_DIFF_EN | (sp << 6) | (ga << 4); +} + +/********************************************************************* + * @fn ADC_InterTSSampInit + * + * @brief 内置温度传感器采样初始化 + * + * @param none + * + * @return none + */ +void ADC_InterTSSampInit(void) +{ + R8_TKEY_CFG &= ~RB_TKEY_PWR_ON; + R8_TEM_SENSOR = RB_TEM_SEN_PWR_ON; + R8_ADC_CHANNEL = CH_INTE_VTEMP; + R8_ADC_CFG = RB_ADC_POWER_ON | RB_ADC_DIFF_EN | (3 << 4); +} + +/********************************************************************* + * @fn ADC_InterBATSampInit + * + * @brief 内置电池电压采样初始化 + * + * @param none + * + * @return none + */ +void ADC_InterBATSampInit(void) +{ + R8_TKEY_CFG &= ~RB_TKEY_PWR_ON; + R8_ADC_CHANNEL = CH_INTE_VBAT; + R8_ADC_CFG = RB_ADC_POWER_ON | RB_ADC_BUF_EN | (0 << 4); // 使用-12dB模式， +} + +/********************************************************************* + * @fn TouchKey_ChSampInit + * + * @brief 触摸按键通道采样初始化 + * + * @param none + * + * @return none + */ +void TouchKey_ChSampInit(void) +{ + R8_ADC_CFG = RB_ADC_POWER_ON | RB_ADC_BUF_EN | (2 << 4); + R8_TKEY_CFG |= RB_TKEY_PWR_ON; +} + +/********************************************************************* + * @fn ADC_ExcutSingleConver + * + * @brief ADC执行单次转换 + * + * @param none + * + * @return ADC转换后的数据 + */ +uint16_t ADC_ExcutSingleConver(void) +{ + R8_ADC_CONVERT = RB_ADC_START; + while(R8_ADC_CONVERT & RB_ADC_START); + + return (R16_ADC_DATA & RB_ADC_DATA); +} + +/********************************************************************* + * @fn TouchKey_ExcutSingleConver + * + * @brief TouchKey转换后数据 + * + * @param charg - Touchkey充电时间,5bits有效, t=charg*Tadc + * @param disch - Touchkey放电时间,3bits有效, t=disch*Tadc + * + * @return 当前TouchKey等效数据 + */ +uint16_t TouchKey_ExcutSingleConver(uint8_t charg, uint8_t disch) +{ + R8_TKEY_COUNT = (disch << 5) | (charg & 0x1f); + R8_TKEY_CONVERT = RB_TKEY_START; + while(R8_TKEY_CONVERT & RB_TKEY_START); + return (R16_ADC_DATA & RB_ADC_DATA); +} + +/********************************************************************* + * @fn ADC_AutoConverCycle + * + * @brief 设置连续 ADC的周期 + * + * @param cycle - 采样周期计算方法为(256-cycle)*16*Tsys + * + * @return none + */ +void ADC_AutoConverCycle(uint8_t cycle) +{ + R8_ADC_AUTO_CYCLE = cycle; +} + +/********************************************************************* + * @fn ADC_DMACfg + * + * @brief 配置DMA功能 + * + * @param s - 是否打开DMA功能 + * @param startAddr - DMA 起始地址 + * @param endAddr - DMA 结束地址 + * @param m - 配置DMA模式 + * + * @return none + */ +void ADC_DMACfg(uint8_t s, uint16_t startAddr, uint16_t endAddr, ADC_DMAModeTypeDef m) +{ + if(s == DISABLE) + { + R8_ADC_CTRL_DMA &= ~(RB_ADC_DMA_ENABLE | RB_ADC_IE_DMA_END); + } + else + { + R16_ADC_DMA_BEG = startAddr; + R16_ADC_DMA_END = endAddr; + if(m) + { + R8_ADC_CTRL_DMA |= RB_ADC_DMA_LOOP | RB_ADC_IE_DMA_END | RB_ADC_DMA_ENABLE; + } + else + { + R8_ADC_CTRL_DMA &= ~RB_ADC_DMA_LOOP; + R8_ADC_CTRL_DMA |= RB_ADC_IE_DMA_END | RB_ADC_DMA_ENABLE; + } + } +} + +/********************************************************************* + * @fn adc_to_temperature_celsius + * + * @brief Convert ADC value to temperature(Celsius) + * + * @param adc_val - adc value + * + * @return temperature (Celsius) + */ + +int adc_to_temperature_celsius(uint16_t adc_val) +{ + uint32_t C25 = 0; + int temp; + + C25 = (*((PUINT32)ROM_CFG_TMP_25C)); + + /* current temperature = standard temperature + (adc deviation * adc linearity coefficient) */ + temp = (((C25 >> 16) & 0xFFFF) ? ((C25 >> 16) & 0xFFFF) : 25) + \ + (adc_val - ((int)(C25 & 0xFFFF))) * 10 / 27; + + return (temp); +} -- cgit v1.2.3