#include "uart.h"
 
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
 
/**
* @brief uart send a string
* @param str: a pointer is pointed to string address
* @retval None
*/
void sendUartFn(char *str)
{
  while(*str != '\0') {
    UART2_SendData8(*str);
    while (UART2_GetFlagStatus(UART2_FLAG_TXE) == RESET);
    str++;
  }
}
 
/**
* @brief uart configuration
* @param None
* @retval 0
*/
int UART2_config(void)
{
  /* Enable UART clock source */
  CLK_PeripheralClockConfig(CLK_PERIPHERAL_UART2, ENABLE);
 
  /* Init peripheral with some parameters:
   * - Baudrate: 115200
   * - Frame: 8
   * - Stop bit: 1
   * - No parity check
   * - Disable synchronous mode clock
   * - Enable TX and RX
   */
  UART2_Init(BAUDRATE, UART2_WORDLENGTH_8D, UART2_STOPBITS_1,
             UART2_PARITY_NO, UART2_SYNCMODE_CLOCK_DISABLE,
             UART2_MODE_TXRX_ENABLE);
  /* Enable UART2 */
  UART2_Cmd(ENABLE);
 
  return 0;
}