216 lines
6.7 KiB
C
216 lines
6.7 KiB
C
/********************************** (C) COPYRIGHT *******************************
|
|
* File Name : main.c
|
|
* Author : WCH
|
|
* Version : V1.0.1
|
|
* Date : 2025/01/16
|
|
* Description : Main program body.
|
|
*********************************************************************************
|
|
* 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.
|
|
*******************************************************************************/
|
|
|
|
/*
|
|
*@Note
|
|
*Dual ADC alternate trigger sampling routine:
|
|
*Dual ADC alternate trigger sampling routine.
|
|
*
|
|
*Note:only applied to CH32V20x_D6
|
|
*/
|
|
|
|
#include "debug.h"
|
|
|
|
/* Global Variable */
|
|
u16 ADC_val[2];
|
|
vs16 Calibrattion_Val1 = 0;
|
|
vs16 Calibrattion_Val2 = 0;
|
|
|
|
/*********************************************************************
|
|
* @fn ADC_Function_Init
|
|
*
|
|
* @brief Initializes ADC collection.
|
|
*
|
|
* @return none
|
|
*/
|
|
void ADC_Function_Init(void)
|
|
{
|
|
ADC_InitTypeDef ADC_InitStructure = {0};
|
|
GPIO_InitTypeDef GPIO_InitStructure = {0};
|
|
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2, ENABLE);
|
|
RCC_ADCCLKConfig(RCC_PCLK2_Div8);
|
|
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2 | GPIO_Pin_3;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
|
|
ADC_DeInit(ADC1);
|
|
ADC_DeInit(ADC2);
|
|
|
|
ADC_InitStructure.ADC_Mode = ADC_Mode_AlterTrig;
|
|
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
|
|
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
|
|
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
|
|
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
|
|
ADC_InitStructure.ADC_NbrOfChannel = 1;
|
|
ADC_InitStructure.ADC_OutputBuffer = ADC_OutputBuffer_Disable;
|
|
ADC_InitStructure.ADC_Pga = ADC_Pga_1;
|
|
|
|
ADC_Init(ADC1, &ADC_InitStructure);
|
|
|
|
ADC_InjectedSequencerLengthConfig(ADC1, 1);
|
|
ADC_InjectedChannelConfig(ADC1, ADC_Channel_2, 1, ADC_SampleTime_239Cycles5);
|
|
|
|
ADC_ExternalTrigInjectedConvConfig(ADC1, ADC_ExternalTrigInjecConv_T2_CC1);
|
|
ADC_ExternalTrigInjectedConvCmd(ADC1, ENABLE);
|
|
|
|
ADC_DMACmd(ADC1, ENABLE);
|
|
ADC_Cmd(ADC1, ENABLE);
|
|
|
|
ADC_BufferCmd(ADC1, DISABLE); //disable buffer
|
|
ADC_ResetCalibration(ADC1);
|
|
while(ADC_GetResetCalibrationStatus(ADC1));
|
|
ADC_StartCalibration(ADC1);
|
|
while(ADC_GetCalibrationStatus(ADC1));
|
|
Calibrattion_Val1 = Get_CalibrationValue(ADC1);
|
|
|
|
|
|
ADC_Init(ADC2, &ADC_InitStructure);
|
|
ADC_InjectedSequencerLengthConfig(ADC2, 1);
|
|
ADC_InjectedChannelConfig(ADC2, ADC_Channel_3, 1, ADC_SampleTime_239Cycles5);
|
|
|
|
ADC_ExternalTrigInjectedConvConfig(ADC2, ADC_ExternalTrigInjecConv_None);
|
|
|
|
ADC_SoftwareStartInjectedConvCmd(ADC2, ENABLE);
|
|
ADC_Cmd(ADC2, ENABLE);
|
|
|
|
ADC_BufferCmd(ADC2, DISABLE); //disable buffer
|
|
ADC_ResetCalibration(ADC2);
|
|
while(ADC_GetResetCalibrationStatus(ADC2));
|
|
ADC_StartCalibration(ADC2);
|
|
while(ADC_GetCalibrationStatus(ADC2));
|
|
Calibrattion_Val2 = Get_CalibrationValue(ADC2);
|
|
|
|
}
|
|
|
|
/*********************************************************************
|
|
* @fn TIM2_PWM_In
|
|
*
|
|
* @brief TIM2,PWM input mode init(Only CH1 and CH2 channels can be used)
|
|
*
|
|
* @param arr - Auto reload values
|
|
* psc - Prescaler value
|
|
* ccp - Preload value
|
|
*
|
|
* @return none
|
|
*/
|
|
void TIM2_PWM_In(u16 arr, u16 psc, u16 ccp)
|
|
{
|
|
GPIO_InitTypeDef GPIO_InitStructure = {0};
|
|
TIM_OCInitTypeDef TIM_OCInitStructure = {0};
|
|
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure = {0};
|
|
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
|
|
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE);
|
|
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
|
|
TIM_TimeBaseInitStructure.TIM_Period = arr;
|
|
TIM_TimeBaseInitStructure.TIM_Prescaler = psc;
|
|
TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
|
|
TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
|
|
TIM_TimeBaseInit(TIM2, &TIM_TimeBaseInitStructure);
|
|
|
|
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
|
|
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
|
|
TIM_OCInitStructure.TIM_Pulse = ccp;
|
|
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
|
|
TIM_OC1Init(TIM2, &TIM_OCInitStructure);
|
|
TIM_OC1PreloadConfig(TIM2, TIM_OCPreload_Disable);
|
|
|
|
TIM_ARRPreloadConfig(TIM2, ENABLE);
|
|
|
|
TIM_SelectOutputTrigger(TIM2, TIM_TRGOSource_Update);
|
|
|
|
TIM_Cmd(TIM2, ENABLE);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* @fn Get_ConversionVal1
|
|
*
|
|
* @brief Get Conversion Value.
|
|
*
|
|
* @param val - Sampling value
|
|
*
|
|
* @return val+Calibrattion_Val - Conversion Value.
|
|
*/
|
|
u16 Get_ConversionVal1(s16 val)
|
|
{
|
|
if((val + Calibrattion_Val1) < 0|| val==0)
|
|
return 0;
|
|
if((Calibrattion_Val1 + val) > 4095)
|
|
return 4095;
|
|
return (val + Calibrattion_Val1);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* @fn Get_ConversionVal2
|
|
*
|
|
* @brief Get Conversion Value.
|
|
*
|
|
* @param val - Sampling value
|
|
*
|
|
* @return val+Calibrattion_Val - Conversion Value.
|
|
*/
|
|
u16 Get_ConversionVal2(s16 val)
|
|
{
|
|
if((val + Calibrattion_Val2) < 0)
|
|
return 0;
|
|
if((Calibrattion_Val2 + val) > 4095)
|
|
return 4095;
|
|
return (val + Calibrattion_Val2);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* @fn main
|
|
*
|
|
* @brief Main program.
|
|
*
|
|
* @return none
|
|
*/
|
|
int main(void)
|
|
{
|
|
USART_Printf_Init(115200);
|
|
SystemCoreClockUpdate();
|
|
Delay_Init();
|
|
printf("SystemClk:%d\r\n", SystemCoreClock);
|
|
printf( "ChipID:%08x\r\n", DBGMCU_GetCHIPID() );
|
|
ADC_Function_Init();
|
|
printf("CalibrattionValue1:%d\n", Calibrattion_Val1);
|
|
printf("CalibrattionValue2:%d\n", Calibrattion_Val2);
|
|
TIM2_PWM_In(600, 48000 - 1, 300);
|
|
while(1)
|
|
{
|
|
while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_JEOC))
|
|
{ /*printf("wait\r\n");*/
|
|
}
|
|
ADC_ClearFlag(ADC1, ADC_FLAG_JEOC);
|
|
ADC_val[0] = ADC_GetInjectedConversionValue(ADC1, ADC_InjectedChannel_1);
|
|
printf("JADC1_ch2=%d\r\n", Get_ConversionVal1(ADC_val[0]));
|
|
Delay_Ms(100);
|
|
|
|
while(!ADC_GetFlagStatus(ADC2, ADC_FLAG_JEOC))
|
|
{ /*printf("wait\r\n");*/
|
|
}
|
|
ADC_ClearFlag(ADC2, ADC_FLAG_JEOC);
|
|
ADC_val[1] = ADC_GetInjectedConversionValue(ADC2, ADC_InjectedChannel_1);
|
|
printf("JADC2_ch3=%d\r\n", Get_ConversionVal2(ADC_val[1]));
|
|
Delay_Ms(100);
|
|
}
|
|
}
|