277 lines
8.1 KiB
C
277 lines
8.1 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : main.c
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* Author : WCH
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* Version : V1.0.2
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* Date : 2025/10/27
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* Description : Main program body.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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/*
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* APP routine: this routine support USB and UART mode,
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* and you can choose the command method to jump to the IAP .
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* Key parameters: CalAddr - address in flash(same in IAP), note that this address needs to be unused.
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* CheckNum - The value of 'CalAddr' that needs to be modified.
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* Tips :the routine need IAP software version 1.50.
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*/
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#include "debug.h"
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#include "ch32v20x_usbfs_device.h"
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#include "iap.h"
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#include "usb_istr.h"
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#include "usb_desc.h"
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#include "usb_lib.h"
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#include "hw_config.h"
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#include "usb_pwr.h"
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/* Global Variable */
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u16 TxBuf[1024];
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vs16 Calibrattion_Val = 0;
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/*********************************************************************
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* @fn ADC_Function_Init
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*
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* @brief Initializes ADC collection.
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*
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* @return none
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*/
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void ADC_Function_Init(void)
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{
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ADC_InitTypeDef ADC_InitStructure = {0};
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GPIO_InitTypeDef GPIO_InitStructure = {0};
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
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RCC_ADCCLKConfig(RCC_PCLK2_Div8);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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ADC_DeInit(ADC1);
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ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
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ADC_InitStructure.ADC_ScanConvMode = DISABLE;
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ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
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ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
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ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
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ADC_InitStructure.ADC_NbrOfChannel = 1;
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ADC_Init(ADC1, &ADC_InitStructure);
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ADC_DMACmd(ADC1, ENABLE);
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ADC_Cmd(ADC1, ENABLE);
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ADC_BufferCmd(ADC1, DISABLE); //disable buffer
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ADC_ResetCalibration(ADC1);
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while(ADC_GetResetCalibrationStatus(ADC1));
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ADC_StartCalibration(ADC1);
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while(ADC_GetCalibrationStatus(ADC1));
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Calibrattion_Val = Get_CalibrationValue(ADC1);
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ADC_BufferCmd(ADC1, ENABLE); //enable buffer
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}
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/*********************************************************************
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* @fn Get_ADC_Val
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*
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* @brief Returns ADCx conversion result data.
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*
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* @param ch - ADC channel.
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* ADC_Channel_0 - ADC Channel0 selected.
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* ADC_Channel_1 - ADC Channel1 selected.
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* ADC_Channel_2 - ADC Channel2 selected.
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* ADC_Channel_3 - ADC Channel3 selected.
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* ADC_Channel_4 - ADC Channel4 selected.
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* ADC_Channel_5 - ADC Channel5 selected.
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* ADC_Channel_6 - ADC Channel6 selected.
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* ADC_Channel_7 - ADC Channel7 selected.
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* ADC_Channel_8 - ADC Channel8 selected.
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* ADC_Channel_9 - ADC Channel9 selected.
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* ADC_Channel_10 - ADC Channel10 selected.
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* ADC_Channel_11 - ADC Channel11 selected.
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* ADC_Channel_12 - ADC Channel12 selected.
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* ADC_Channel_13 - ADC Channel13 selected.
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* ADC_Channel_14 - ADC Channel14 selected.
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* ADC_Channel_15 - ADC Channel15 selected.
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* ADC_Channel_16 - ADC Channel16 selected.
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* ADC_Channel_17 - ADC Channel17 selected.
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*
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* @return none
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*/
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u16 Get_ADC_Val(u8 ch)
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{
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u16 val;
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ADC_RegularChannelConfig(ADC1, ch, 1, ADC_SampleTime_239Cycles5);
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ADC_SoftwareStartConvCmd(ADC1, ENABLE);
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while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC));
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val = ADC_GetConversionValue(ADC1);
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return val;
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}
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/*********************************************************************
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* @fn DMA_Tx_Init
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*
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* @brief Initializes the DMAy Channelx configuration.
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*
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* @param DMA_CHx - x can be 1 to 7.
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* ppadr - Peripheral base address.
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* memadr - Memory base address.
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* bufsize - DMA channel buffer size.
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*
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* @return none
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*/
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void DMA_Tx_Init(DMA_Channel_TypeDef *DMA_CHx, u32 ppadr, u32 memadr, u16 bufsize)
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{
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DMA_InitTypeDef DMA_InitStructure = {0};
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RCC_AHBPeriphClockCmd(RCC_AHBPeriph_DMA1, ENABLE);
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DMA_DeInit(DMA_CHx);
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DMA_InitStructure.DMA_PeripheralBaseAddr = ppadr;
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DMA_InitStructure.DMA_MemoryBaseAddr = memadr;
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DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
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DMA_InitStructure.DMA_BufferSize = bufsize;
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DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
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DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Enable;
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DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
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DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
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DMA_InitStructure.DMA_Mode = DMA_Mode_Normal;
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DMA_InitStructure.DMA_Priority = DMA_Priority_VeryHigh;
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DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
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DMA_Init(DMA_CHx, &DMA_InitStructure);
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}
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/*********************************************************************
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* @fn Get_ConversionVal
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*
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* @brief Get Conversion Value.
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*
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* @param val - Sampling value
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*
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* @return val+Calibrattion_Val - Conversion Value.
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*/
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u16 Get_ConversionVal(s16 val)
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{
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if((val + Calibrattion_Val) < 0)
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return 0;
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if((Calibrattion_Val + val) > 4095)
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return 4095;
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return (val + Calibrattion_Val);
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}
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/*********************************************************************
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* @fn APP_2_IAP
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*
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* @brief APP_2_IAP program.
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*
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* @return none
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*/
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void APP_2_IAP(void)
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{
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NVIC_SystemReset();
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while(1){
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}
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}
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/*********************************************************************
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* @fn USART3_IT_CFG
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*
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* @brief USART3 IT config program.
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*
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* @return none
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*/
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void USART3_IT_CFG(void)
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{
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NVIC_InitTypeDef NVIC_InitStructure = {0};
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART3, ENABLE);
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USART_ITConfig(USART3, USART_IT_RXNE, ENABLE);
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NVIC_InitStructure.NVIC_IRQChannel = USART3_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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USART_Cmd(USART3, ENABLE);
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}
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/*********************************************************************
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* @fn main
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*
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* @brief Main program.
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*
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* @return none
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*/
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int main(void)
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{
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u16 i;
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SystemCoreClockUpdate();
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Delay_Init();
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USART_Printf_Init(115200);
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printf("SystemClk:%d\r\n", SystemCoreClock);
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printf( "ChipID:%08x\r\n", DBGMCU_GetCHIPID() );
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printf("APP\r\n");
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ADC_Function_Init();
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printf("CalibrattionValue:%d\n", Calibrattion_Val);
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DMA_Tx_Init(DMA1_Channel1, (u32)&ADC1->RDATAR, (u32)TxBuf, 1024);
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DMA_Cmd(DMA1_Channel1, ENABLE);
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ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_239Cycles5);
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ADC_SoftwareStartConvCmd(ADC1, ENABLE);
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Delay_Ms(50);
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ADC_SoftwareStartConvCmd(ADC1, DISABLE);
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for(i = 0; i < 64; i++){
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printf("%04d\r\n", Get_ConversionVal(TxBuf[i]));
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Delay_Ms(10);
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}
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//USB-USART ENABLE
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Set_USBConfig();
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USB_Init();
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USB_Port_Set(DISABLE, DISABLE);
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Delay_Ms(700);
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USB_Port_Set(ENABLE, ENABLE);
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USB_Interrupts_Config();
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USBFS_Init();
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USART3_CFG(460800);
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USART3_IT_CFG();
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while(1)
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{
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EP2_RecData_Deal();
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if(*(vu32 *)CalAddr == CheckNum)
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{
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Delay_Ms(10);
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APP_2_IAP();
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while(1);
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}
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}
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}
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void USART3_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
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/*********************************************************************
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* @fn USART3_IRQHandler
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*
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* @brief This function handles USART3 global interrupt request.
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*
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* @return none
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*/
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void USART3_IRQHandler(void)
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{
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if( USART_GetFlagStatus(USART3, USART_FLAG_RXNE) != RESET){
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UART_Rx_Deal();
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}
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}
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