From 83597914a6e1d20b69e54ff00720bcf7b455c1b7 Mon Sep 17 00:00:00 2001
From: zhaohe <1013909206@qq.com>
Date: Thu, 11 Aug 2022 09:32:34 +0800
Subject: [PATCH] update

---
 APP/port.c | 45 ++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 44 insertions(+), 1 deletion(-)

diff --git a/APP/port.c b/APP/port.c
index de62a4e..b3ba123 100644
--- a/APP/port.c
+++ b/APP/port.c
@@ -155,10 +155,53 @@ uint32_t adc_get_value(ADC_TYPE_CHS adc_ch) {
 /***********************************************************************************************************************
  * =======================================================UART======================================================== *
  ***********************************************************************************************************************/
-
 //  1、keil勾选Use MicroLIB 2、IAR/keil #define __PRINTF_USE_UART0__
 
+void uart0_init(void) {
+  /**
+   * @brief 配置串口0的波特率为115200
+   * 时钟为系统时钟 Fpclk 为系统时钟频率
+   */
+  GPIO_InitSettingType InitSet;
+  InitSet.Dir = GPIO_Direction_Output;
+  InitSet.DS = GPIO_DS_Output_Strong;
+  InitSet.Func = GPIO_Reuse_Func2;
+  InitSet.ODE = GPIO_ODE_Output_Disable;
+  InitSet.PDE = GPIO_PDE_Input_Disable;
+  InitSet.PUE = GPIO_PUE_Input_Enable;
+  InitSet.Signal = GPIO_Pin_Signal_Digital;
+  GPIO_Init(UART0_TXD0_PIN, &InitSet);
+
+  InitSet.Dir = GPIO_Direction_Input;
+  InitSet.DS = GPIO_DS_Output_Strong;
+  InitSet.Func = GPIO_Reuse_Func2;
+  InitSet.ODE = GPIO_ODE_Output_Disable;
+  InitSet.PDE = GPIO_PDE_Input_Disable;
+  InitSet.PUE = GPIO_PUE_Input_Disable;
+  InitSet.Signal = GPIO_Pin_Signal_Digital;
+  GPIO_Init(UART0_RXD0_PIN, &InitSet);
+
+  UART_InitStruType UART_InitStruct;
 
+  UART_InitStruct.UART_BaudRate = 115200;         //波特率
+  UART_InitStruct.UART_ClockSet = UART_Clock_1;   //时钟选择不分频
+  UART_InitStruct.UART_RxMode = UART_DataMode_8;  // 8数据位无奇偶校验位
+  //标准极性端口数据和传输数据相同
+  UART_InitStruct.UART_RxPolar = UART_Polar_Normal;
+  UART_InitStruct.UART_StopBits = UART_StopBits_1;   //一个停止位
+  UART_InitStruct.UART_TxMode = UART_DataMode_8;     // 8数据位无奇偶校验位
+  UART_InitStruct.UART_TxPolar = UART_Polar_Normal;  //标准usart极性
+  UART_Init(UART0, &UART_InitStruct);
+  UART_ITConfig(UART0, UART_IT_RB, Enable); /* UART0接收中断使能 */
+  /* UART0发送缓冲区空中断模式: 全空中断 */
+  UART_TBIMConfig(UART0, UART_TBIM_Byte);
+  UART_ClearITPendingBit(UART0, UART_FLAG_TB);
+  UART_ClearITPendingBit(UART0, UART_FLAG_RB);
+  UART_ClearITPendingBit(UART0, UART_FLAG_FE);
+  NVIC_Init(NVIC_UART0_IRQn, NVIC_Priority_1, Enable);  //使能串口0中断
+  UART0_TxEnable();
+  UART0_RxEnable();
+}
 
 /***********************************************************************************************************************
  * =======================================================PORT-GPIO======================================================== *