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 +1,79 @@
+/********************************** (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
+ BKP routine:
+ Intrusion detection pin (PC13), when an intrusion detection event occurs, all data
+ backup register contents are cleared,And trigger the intrusion detection interrupt.
+
+*/
+
+#include "debug.h"
+
+/*********************************************************************
+ * @fn      BKP_Tamper_Init
+ *
+ * @brief   Initializes the BKP Tamper.
+ *
+ * @return  none
+ */
+void BKP_Tamper_Init(void)
+{
+    NVIC_InitTypeDef NVIC_InitStructure = {0};
+
+    RCC_APB1PeriphClockCmd(RCC_APB1Periph_PWR | RCC_APB1Periph_BKP, ENABLE);
+
+    BKP_TamperPinCmd(DISABLE);
+    PWR_BackupAccessCmd(ENABLE);
+    BKP_ClearFlag();
+
+    BKP_WriteBackupRegister(BKP_DR1, 0x9880);
+    BKP_WriteBackupRegister(BKP_DR2, 0x5678);
+    BKP_WriteBackupRegister(BKP_DR3, 0xABCD);
+    BKP_WriteBackupRegister(BKP_DR4, 0x3456);
+
+    printf("BKP_DR1:%08x\r\n", BKP->DATAR1);
+    printf("BKP_DR2:%08x\r\n", BKP->DATAR2);
+    printf("BKP_DR3:%08x\r\n", BKP->DATAR3);
+    printf("BKP_DR4:%08x\r\n", BKP->DATAR4);
+
+    BKP_TamperPinLevelConfig(BKP_TamperPinLevel_High); //TPAL:0，PC13 set input-pull-down
+                                                       //	BKP_TamperPinLevelConfig( BKP_TamperPinLevel_Low );	 //TPAL:1，PC13 input-pull-up
+
+    NVIC_InitStructure.NVIC_IRQChannel = TAMPER_IRQn;
+    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
+    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+    NVIC_Init(&NVIC_InitStructure);
+
+    BKP_ITConfig(ENABLE);
+    BKP_TamperPinCmd(ENABLE);
+}
+
+/*********************************************************************
+ * @fn      main
+ *
+ * @brief   Main program.
+ *
+ * @return  none
+ */
+int main(void)
+{
+    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
+    USART_Printf_Init(115200);
+    printf("SystemClk:%d\r\n", SystemCoreClock);
+
+    BKP_Tamper_Init();
+
+    while(1);
+}