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 +1,163 @@
+/********************************** (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
+ polling transceiver mode, master/slave transceiver routine:
+ Master:USART2_Tx(PA2)\USART2_Rx(PA3).
+ Slave:USART3_Tx(PB10)\USART3_Rx(PB11).
+ This example demonstrates sending from USART2 and receiving from USART3.
+
+    Hardware connection:PA2--PB11
+                        PA3--PB10
+
+*/
+
+#include "debug.h"
+
+/* Global typedef */
+typedef enum
+{
+    FAILED = 0,
+    PASSED = !FAILED
+} TestStatus;
+
+/* Global define */
+#define TxSize     (size(TxBuffer))
+#define size(a)    (sizeof(a) / sizeof(*(a)))
+
+/* Global Variable */
+u8         TxBuffer[] = "Buffer Send from USART2 to USART3 by polling!";
+u8         RxBuffer[TxSize] = {0};
+u8         TxCnt = 0, RxCnt = 0;
+TestStatus TransferStatus = FAILED;
+
+/*********************************************************************
+ * @fn      Buffercmp
+ *
+ * @brief   Compares two buffers
+ *
+ * @param   Buf1,Buf2 - buffers to be compared
+ *          BufferLength - buffer's length
+ *
+ * @return  PASSED - Buf1 identical to Buf
+ *          FAILED - Buf1 differs from Buf2
+ */
+TestStatus Buffercmp(uint8_t *Buf1, uint8_t *Buf2, uint16_t BufLength)
+{
+    while(BufLength--)
+    {
+        if(*Buf1 != *Buf2)
+        {
+            return FAILED;
+        }
+        Buf1++;
+        Buf2++;
+    }
+    return PASSED;
+}
+
+/*********************************************************************
+ * @fn      USARTx_CFG
+ *
+ * @brief   Initializes the USART2 & USART3 peripheral.
+ *
+ * @return  none
+ */
+void USARTx_CFG(void)
+{
+    GPIO_InitTypeDef  GPIO_InitStructure = {0};
+    USART_InitTypeDef USART_InitStructure = {0};
+
+    RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2 | RCC_APB1Periph_USART3, ENABLE);
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB, ENABLE);
+
+    /* USART2 TX-->A.2   RX-->A.3 */
+    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
+    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+    GPIO_Init(GPIOA, &GPIO_InitStructure);
+    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
+    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+    GPIO_Init(GPIOA, &GPIO_InitStructure);
+    /* USART3 TX-->B.10  RX-->B.11 */
+    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
+    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
+    GPIO_Init(GPIOB, &GPIO_InitStructure);
+    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
+    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
+    GPIO_Init(GPIOB, &GPIO_InitStructure);
+
+    USART_InitStructure.USART_BaudRate = 115200;
+    USART_InitStructure.USART_WordLength = USART_WordLength_8b;
+    USART_InitStructure.USART_StopBits = USART_StopBits_1;
+    USART_InitStructure.USART_Parity = USART_Parity_No;
+    USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
+    USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx;
+
+    USART_Init(USART2, &USART_InitStructure);
+    USART_Cmd(USART2, ENABLE);
+
+    USART_Init(USART3, &USART_InitStructure);
+    USART_Cmd(USART3, ENABLE);
+}
+
+/*********************************************************************
+ * @fn      main
+ *
+ * @brief   Main program.
+ *
+ * @return  none
+ */
+int main(void)
+{
+    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);
+    Delay_Init();
+    USART_Printf_Init(115200);
+    printf("SystemClk:%d\r\n", SystemCoreClock);
+
+    printf("USART Polling TEST\r\n");
+    USARTx_CFG(); /* USART2 & USART3 INIT */
+
+    while(TxCnt < TxSize)
+    {
+        USART_SendData(USART2, TxBuffer[TxCnt++]);
+        while(USART_GetFlagStatus(USART2, USART_FLAG_TXE) == RESET)
+        {
+            /* waiting for sending finish */
+        }
+        while(USART_GetFlagStatus(USART3, USART_FLAG_RXNE) == RESET)
+        {
+            /* waiting for receiving finish */
+        }
+        RxBuffer[RxCnt++] = (USART_ReceiveData(USART3));
+    }
+
+    TransferStatus = Buffercmp(TxBuffer, RxBuffer, TxSize);
+
+    if(TransferStatus)
+    {
+        printf("send success!\r\n");
+        printf("TXBuffer: %s \r\n", TxBuffer);
+        printf("RxBuffer: %s \r\n", RxBuffer);
+    }
+    else
+    {
+        printf("send fail!\r\n");
+        printf("TXBuffer: %s \r\n", TxBuffer);
+        printf("RxBuffer: %s \r\n", RxBuffer);
+    }
+    while(1)
+    {
+    }
+}