first submission

2023-02-01 14:19:13 +08:00
parent d534aad004
commit b79c6ac80d
3711 changed files with 745432 additions and 2 deletions
@@ -0,0 +1,141 @@
+/********************************** (C) COPYRIGHT *******************************
+ * File Name          : main.c
+ * Author             : WCH
+ * Version            : V1.0.0
+ * Date               : 2021/06/06
+ * 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
+ Analog watchdog routine:
+ ADC channel 1 (PA1), detect that the ADC conversion data on the rule group channel
+ is outside 2000 - 3500 and trigger the simulation Watchdog interrupt.
+
+*/
+
+#include "debug.h"
+
+/*********************************************************************
+ * @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};
+    NVIC_InitTypeDef NVIC_InitStructure = {0};
+
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
+    RCC_ADCCLKConfig(RCC_PCLK2_Div8);
+
+    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
+    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
+    GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+    ADC_DeInit(ADC1);
+    ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
+    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_Init(ADC1, &ADC_InitStructure);
+
+    ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_239Cycles5);
+
+    /* Higher Threshold:3500, Lower Threshold:2000 */
+    ADC_AnalogWatchdogThresholdsConfig(ADC1, 3500, 2000);
+    ADC_AnalogWatchdogSingleChannelConfig(ADC1, ADC_Channel_1);
+    ADC_AnalogWatchdogCmd(ADC1, ADC_AnalogWatchdog_SingleRegEnable);
+
+    NVIC_InitStructure.NVIC_IRQChannel = ADC1_2_IRQn;
+    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
+    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+    NVIC_Init(&NVIC_InitStructure);
+
+    ADC_ITConfig(ADC1, ADC_IT_AWD, 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));
+}
+
+/*********************************************************************
+ * @fn      Get_ADC_Val
+ *
+ * @brief   Returns ADCx conversion result data.
+ *
+ * @param   ch - ADC channel.
+ *            ADC_Channel_0 - ADC Channel0 selected.
+ *            ADC_Channel_1 - ADC Channel1 selected.
+ *            ADC_Channel_2 - ADC Channel2 selected.
+ *            ADC_Channel_3 - ADC Channel3 selected.
+ *            ADC_Channel_4 - ADC Channel4 selected.
+ *            ADC_Channel_5 - ADC Channel5 selected.
+ *            ADC_Channel_6 - ADC Channel6 selected.
+ *            ADC_Channel_7 - ADC Channel7 selected.
+ *            ADC_Channel_8 - ADC Channel8 selected.
+ *            ADC_Channel_9 - ADC Channel9 selected.
+ *            ADC_Channel_10 - ADC Channel10 selected.
+ *            ADC_Channel_11 - ADC Channel11 selected.
+ *            ADC_Channel_12 - ADC Channel12 selected.
+ *            ADC_Channel_13 - ADC Channel13 selected.
+ *            ADC_Channel_14 - ADC Channel14 selected.
+ *            ADC_Channel_15 - ADC Channel15 selected.
+ *            ADC_Channel_16 - ADC Channel16 selected.
+ *            ADC_Channel_17 - ADC Channel17 selected.
+ *
+ * @return  none
+ */
+u16 Get_ADC_Val(u8 ch)
+{
+    u16 val;
+
+    ADC_SoftwareStartConvCmd(ADC1, ENABLE);
+
+    while(!ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC));
+
+    val = ADC_GetConversionValue(ADC1);
+
+    return val;
+}
+
+/*********************************************************************
+ * @fn      main
+ *
+ * @brief   Main program.
+ *
+ * @return  none
+ */
+int main(void)
+{
+    u16 ADC_val;
+
+    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
+    Delay_Init();
+    USART_Printf_Init(115200);
+    printf("SystemClk:%d\r\n", SystemCoreClock);
+
+    ADC_Function_Init();
+
+    while(1)
+    {
+        ADC_val = Get_ADC_Val(ADC_Channel_1);
+        Delay_Ms(500);
+        printf("%04d\r\n", ADC_val);
+        Delay_Ms(2);
+    }
+}