393 lines
12 KiB
C
393 lines
12 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : main.c
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* Author : WCH
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* Version : V1.0.0
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* Date : 2023/06/06
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* Description : Main program body.
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*********************************************************************************
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* Copyright (c) 2023 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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*@Note
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CH223 chip application routine
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*/
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#include "debug.h"
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#include"CH223.h"
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u8 ndo = 0;//Number of NDOs in SrcCap
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u8 IT_flag = 0;
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u8 rst_IT = 0, cc_IT = 0, srccap_IT = 0, ps_IT = 0;//Interrupt flag
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s16 Calibrattion_Val = 0;
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u16 TxBuf[1024];
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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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* PB0-->ADC_IN
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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_GPIOB, 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_0;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
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GPIO_Init(GPIOB, &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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}
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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||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 EXTI0_INT_INIT
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*
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* @brief Initialize external trigger interrupt.
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*
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* PB13-->INT
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*
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* @return none
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*/
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/*********************************************************************
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* @fn EXTI0_INT_INIT
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*
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* @brief Initializes EXTI0 collection.
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*
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* @return none
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*/
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void EXTI0_INT_INIT(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure = {0};
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EXTI_InitTypeDef EXTI_InitStructure = {0};
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NVIC_InitTypeDef NVIC_InitStructure = {0};
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOB, ENABLE);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
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GPIO_Init(GPIOB, &GPIO_InitStructure);
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/* GPIOB ----> EXTI_Line0 */
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GPIO_EXTILineConfig(GPIO_PortSourceGPIOB, GPIO_PinSource13);
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EXTI_InitStructure.EXTI_Line = EXTI_Line13;
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EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
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EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
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EXTI_InitStructure.EXTI_LineCmd = ENABLE;
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EXTI_Init(&EXTI_InitStructure);
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NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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}
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/*********************************************************************
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* @fn Adc_test
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*
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* @brief ADC measure VBUS output voltage.
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*
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*
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* @return none
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*/
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void Adc_test(){
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u16 i = 0;
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float sum=0;
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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_8, 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 < 1024; i++){
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sum+=Get_ConversionVal(TxBuf[i]);
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}
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printf("ADC_Value=%0.1fV\r\n",sum/1024/4095*3.3*6.1);
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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 n = 0;
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u8 tempV = 0, tempI = 0, tempV0 = 0, tempI0 = 0, tempVmax = 0;
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u8 res = 0, ndo_select = 0, STATE_flag = 0;
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NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
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Delay_Init();
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USART_Printf_Init( 115200 );
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CH223_Init();
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ADC_Function_Init();
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EXTI0_INT_INIT();
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printf("PD_CH223 Demo£¡\r\n");
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printf("\r\n");
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IT_flag = CH223_ReadOneByte(0xB4);
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if (IT_flag==0x0c)
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{
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printf("power-on reset£¡£¡£¡\r\n");
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printf("\r\n");
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Delay_Ms(10);
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printf("CC Connecting...\r\n");
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printf("\r\n");
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}
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while(1)
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{
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Delay_Ms(1);
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while(ps_IT) //PS_RDY -->The power supply reaches the required working state
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{
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CH223_WriteOneByte(0xB6, 0x19); //The initial voltage is set to 9V£º0x2D
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res = CH223_ReadOneByte(0xB6);
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printf("The initial voltage is set to£º%dV\r\n",res*200/1000);
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printf("\r\n");
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Delay_Ms(300);
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if (rst_IT == 1)
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{
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printf("power-on reset£¡£¡£¡\r\n");
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printf("\r\n");
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}
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if (cc_IT == 1)
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{
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printf("CC Connecting...\r\n");
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printf("\r\n");
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}
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STATE_flag = CH223_ReadOneByte(0xB5); //Read IIC status register
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ndo = STATE_flag & 0x07; //NDO_Number
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printf("Number of NDOs in SRCCAP:%d\r\n", ndo);
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printf("\r\n");
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CH223_Read(0x84, Buffer, ndo); //SRCCAP message
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Buffer_Change(Buffer, ndo);
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if (srccap_IT == 1) //Display SRCCAP message
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{
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printf("Received SrcCap,NDO data is£º\n");
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printf("\r\n");
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for(n = 0; n < ndo; n++)
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{
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if((Buffer[n] & 0xC0000000) == 0)
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{
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tempV = BufferV[n] % 10;
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tempV0 = BufferV[n] / 10;
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tempI = BufferI[n] % 10;
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tempI0 = BufferI[n] / 10;
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printf("%d.%dV,%d.%dA\t", tempV0, tempV, tempI0, tempI);
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}
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else
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{
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tempV = BufferV[n] % 10;
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tempV0 = BufferV[n] / 10;
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tempVmax = BufferVPPS[n] % 10;
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BufferVPPS[n] /= 10;
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tempI = BufferI[n] % 10;
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tempI0 = BufferI[n] / 10;
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printf("%d.%dV/%d.%dV,%d.%dA\t", tempV0, tempV, BufferVPPS[n], tempVmax, tempI0, tempI);
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}
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}
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printf("\r\n");
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}
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ndo_select = (STATE_flag >> 3) & 0x07;
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printf("ndo_select:%d\r\n", ndo_select);
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printf("Waiting PS_RDY...\r\n");
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Delay_Ms(500);
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if (ps_IT == 1)
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{
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printf("Received PS_RDY\r\n");
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Current_VI(ndo_select - 1);
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}
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//Set VBUS voltage
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printf("\r\n");
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Delay_Ms(10);
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printf("Set voltage output 5V-->0x19\r\n");
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User_Set_VI(0x19); //0x19---5V
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Adc_test();
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Delay_Ms(50);
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printf("\r\n");
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Delay_Ms(10);
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printf("Set voltage output 9V-->0x2d\r\n");
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User_Set_VI(0x2d); //0x2d---9V
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Adc_test();
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Delay_Ms(50);
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printf("\r\n");
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Delay_Ms(10);
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printf("Set voltage output 12V-->0x3c\r\n");
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User_Set_VI(0x3c); //0x3c---12V
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Adc_test();
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Delay_Ms(50);
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printf("\r\n");
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Delay_Ms(10);
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printf("Set voltage output 15V-->0x4b\r\n");
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User_Set_VI(0x4b); //0x4b---15V
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Adc_test();
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Delay_Ms(50);
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printf("\r\n");
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Delay_Ms(10);
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printf("Set voltage output 20V-->0x64\r\n");
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User_Set_VI(0x64); //0x64---20V
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Adc_test();
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Delay_Ms(50);
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ps_IT = 0;
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}
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}
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}
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void EXTI15_10_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
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void EXTI15_10_IRQHandler(void)
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{
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if(EXTI_GetITStatus(EXTI_Line13) != RESET)
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{
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Delay_Us(500);
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if(EXTI_GetITStatus(EXTI_Line13) != RESET)
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{
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IT_flag = CH223_ReadOneByte(0xB4);
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if ((IT_flag&0xF))
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{
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if (IT_flag&0x7)
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{
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if(IT_flag&0x3)
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{
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if (IT_flag&0x1)
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{
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ps_IT = 1;
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}
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else
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{
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srccap_IT = 1;
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}
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}
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else
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{
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rst_IT = 1;
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}
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}else
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{
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cc_IT = 1;
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}
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}
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EXTI_ClearITPendingBit(EXTI_Line13); /* Clear Flag */
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}
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}
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}
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