*

2025-05-13 04:55:13 +03:00
parent 3f693566bd
commit ceb6d0ccec
4364 changed files with 2897163 additions and 0 deletions
@@ -0,0 +1,118 @@
+#include "usart.h"
+
+#ifdef __GNUC__
+  /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
+     set to 'Yes') calls __io_putchar() */
+  #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
+#else
+  #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
+#endif /* __GNUC__ */
+
+
+/*******************************************************************************
+* Function Name  : USART_Configuration
+* Description    : Configure Open_USART 
+* Input          : None
+* Output         : None
+* Return         : None
+* Attention		 : None
+*******************************************************************************/
+void USART_Configuration(void)
+{ 												
+  GPIO_InitTypeDef GPIO_InitStructure;
+  USART_InitTypeDef USART_InitStructure; 
+
+  RCC_AHB1PeriphClockCmd(Open_USART_TX_GPIO_CLK,ENABLE);
+  RCC_AHB1PeriphClockCmd(Open_USART_RX_GPIO_CLK,ENABLE);
+
+  RCC_APB1PeriphClockCmd(Open_USART_CLK,ENABLE);
+
+
+  GPIO_PinAFConfig(Open_USART_TX_GPIO_PORT, Open_USART_TX_SOURCE, Open_USART_TX_AF);
+  GPIO_PinAFConfig(Open_USART_RX_GPIO_PORT, Open_USART_RX_SOURCE, Open_USART_RX_AF);
+
+  /*
+  *  Open_USART_TX -> PA9 , Open_USART_RX -PA10
+  */
+  GPIO_InitStructure.GPIO_Pin = Open_USART_TX_PIN;
+  GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
+  GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+
+  GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+  GPIO_Init(Open_USART_TX_GPIO_PORT, &GPIO_InitStructure);
+
+  GPIO_InitStructure.GPIO_Pin = Open_USART_RX_PIN;
+  GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
+  GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
+  GPIO_Init(Open_USART_RX_GPIO_PORT, &GPIO_InitStructure);
+
+/*
+   		 USARTx configured as follow:
+         - BaudRate = 115200 baud  
+		 - Word Length = 8 Bits
+         - One Stop Bit
+         - No parity
+         - Hardware flow control disabled (RTS and CTS signals)
+         - Receive and transmit    
+ */
+
+  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_Rx | USART_Mode_Tx;
+  USART_Init(Open_USART, &USART_InitStructure);
+  /* Enable the Open_USART Transmit interrupt: this interrupt is generated when the 
+     Open_USART transmit data register is empty */
+  USART_ITConfig(Open_USART,USART_IT_RXNE,ENABLE);
+
+  USART_Cmd(Open_USART, ENABLE);
+
+}
+
+void USART_NVIC_Config(void)
+{
+  NVIC_InitTypeDef NVIC_InitStructure;
+
+  /* Enable the USARTx Interrupt */
+  NVIC_InitStructure.NVIC_IRQChannel = Open_USART_IRQn;
+  NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
+  NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
+  NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+  NVIC_Init(&NVIC_InitStructure);
+}
+
+/* Use no semihosting */
+#if 1
+#pragma import(__use_no_semihosting)
+struct __FILE
+{  
+	int handle;
+};
+FILE __stdout;
+
+_sys_exit(int x)
+{
+	x = x;
+}
+#endif
+
+/**
+  * @brief  Retargets the C library printf function to the USART.
+  * @param  None
+  * @retval None
+  */
+PUTCHAR_PROTOTYPE
+{
+  /* Place your implementation of fputc here */
+  /* e.g. write a character to the USART */
+  USART_SendData(Open_USART, (uint8_t) ch);
+
+  /* Loop until the end of transmission */
+  while (USART_GetFlagStatus(Open_USART, USART_FLAG_TC) == RESET)
+  {}
+
+  return ch;
+}