update 1.8

2023-09-06 10:08:11 +08:00
parent b79c6ac80d
commit 64be955461
760 changed files with 42517 additions and 30957 deletions
@@ -0,0 +1,71 @@
+/********************************** (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
+ *Systick interrupt:
+ *USART1_Tx(PA9).
+ *
+ *
+ */
+
+#include "debug.h"
+
+/* Global typedef */
+
+/* Global define */
+
+/* Global Variable */
+void SysTick_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
+
+u32 counter=0;
+
+void SYSTICK_Init_Config(u64 ticks)
+{
+    SysTick->SR = 0;
+    SysTick->CNT = 0;
+    SysTick->CMP = ticks;
+    SysTick->CTLR =0xF;
+
+    NVIC_SetPriority(SysTicK_IRQn, 15);
+    NVIC_EnableIRQ(SysTicK_IRQn);
+}
+
+void SysTick_Handler(void)
+{
+    printf("welcome to WCH\r\n");
+    SysTick->SR = 0;
+    counter++;
+    printf("Counter:%d\r\n",counter);
+
+
+}
+
+/*********************************************************************
+ * @fn      main
+ *
+ * @brief   Main program.
+ *
+ * @return  none
+ */
+int main(void)
+{
+    SystemCoreClockUpdate();
+    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
+    USART_Printf_Init(115200);
+    printf("SystemClk:%d\r\n", SystemCoreClock);
+    printf( "ChipID:%08x\r\n", DBGMCU_GetCHIPID() );
+    SYSTICK_Init_Config(SystemCoreClock-1);
+    while(1)
+    {
+    }
+}