#include "main.h"


//UARTx
#define  DEBUG_USARTx                   CW_UART3
#define  DEBUG_USART_CLK                RCC_APB1_PERIPH_UART3
#define  DEBUG_USART_APBClkENx          RCC_APBPeriphClk_Enable1
#define  DEBUG_USART_BaudRate           115200
#define  DEBUG_USART_UclkFreq           8000000

//UARTx GPIO
#define  DEBUG_USART_GPIO_CLK           RCC_AHB_PERIPH_GPIOB
#define  DEBUG_USART_TX_GPIO_PORT       CW_GPIOB   
#define  DEBUG_USART_TX_GPIO_PIN        GPIO_PIN_6
#define  DEBUG_USART_RX_GPIO_PORT       CW_GPIOB
#define  DEBUG_USART_RX_GPIO_PIN        GPIO_PIN_7

//GPIO AF
#define  DEBUG_USART_AFTX               PB06_AFx_UART3TXD()
#define  DEBUG_USART_AFRX               PB07_AFx_UART3RXD()



#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__ */

	
/**
 * @brief ÅäÖÃUART
 * 
 */
void UART_Configuration(void)
{
  USART_InitTypeDef USART_InitStructure;

	GPIO_InitTypeDef GPIO_InitStructure;

  //UART TX RX ¸´ÓÃ
  DEBUG_USART_AFTX;                     
  DEBUG_USART_AFRX;                     

  GPIO_InitStructure.Pins = DEBUG_USART_TX_GPIO_PIN;
  GPIO_InitStructure.Mode = GPIO_MODE_OUTPUT_PP;
  GPIO_InitStructure.Speed = GPIO_SPEED_HIGH;
  GPIO_Init(DEBUG_USART_TX_GPIO_PORT, &GPIO_InitStructure);
    
  GPIO_InitStructure.Pins = DEBUG_USART_RX_GPIO_PIN;
  GPIO_InitStructure.Mode = GPIO_MODE_INPUT_PULLUP;
  GPIO_Init(DEBUG_USART_RX_GPIO_PORT, &GPIO_InitStructure);
	
	
  USART_InitStructure.USART_BaudRate = DEBUG_USART_BaudRate;
  USART_InitStructure.USART_Over = USART_Over_16;
  USART_InitStructure.USART_Source = USART_Source_PCLK;
  USART_InitStructure.USART_UclkFreq = DEBUG_USART_UclkFreq;
  USART_InitStructure.USART_StartBit = USART_StartBit_FE;
  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(DEBUG_USARTx, &USART_InitStructure); 	
}

/**
 * @brief Retargets the C library printf function to the USART.
 * 
 */
PUTCHAR_PROTOTYPE
{
  USART_SendData_8bit(DEBUG_USARTx, (uint8_t)ch);

  while (USART_GetFlagStatus(DEBUG_USARTx, USART_FLAG_TXE) == RESET);

  return ch;
}

/******************************************************************************
 * EOF (not truncated)
 ******************************************************************************/
#ifdef  USE_FULL_ASSERT
/**
  * @brief  Reports the name of the source file and the source line number
  *         where the assert_param error has occurred.
  * @param  file: pointer to the source file name
  * @param  line: assert_param error line source number
  * @retval None
  */
void assert_failed(uint8_t *file, uint32_t line)
{ 
  /* USER CODE BEGIN 6 */
  /* User can add his own implementation to report the file name and line number,
     tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
  /* USER CODE END 6 */
}
#endif /* USE_FULL_ASSERT */