stm8 UART code

//FCPU = 2mhz and baudrate =9600, so 0x0C on BRR2 and BRR1
void uart_init(void)
{
   /*clock enable for UART and GPIO peripheral is set by default */

	//PD5-Tx, PD6-RX
	// Set Tx pin as output pushpull
	GPIOD-> DDR |= (1<<5);
	GPIOD-> CR1 |= ((1<<5));

	//Set Rx pin as Input floating
	/*by default all pins are input floating only*/

  //  Clear the Idle Line Detected bit in the status register by a read
  //  to the UART1_SR register followed by a write to the UART1_DR register.
    uint8_t tmp;
     tmp	 = UART1->SR;
  UART1->DR = tmp;

	//Reset the UART registers
	UART1_SR_RESET_VALUE;
	UART1_CR1_RESET_VALUE;
	UART1_CR2_RESET_VALUE;
	UART1_CR3_RESET_VALUE;
	UART1_BRR2_RESET_VALUE;
	UART1_BRR1_RESET_VALUE;

	//disable TE and RE
	UART1-> CR2 &= (~((1<<3)|(1<<2)));
	//Set word legth :8 bit,1 startbit
	UART1-> CR1 &= (~(1<<4));
	//Parity disable
	UART1-> CR1 &= (~(1<<2));
	//UART stop bit: 1
	UART1-> CR3 &= (~(1<<5)|(1<<4));

		//UART_baudrate
		UART1 ->BRR2 = 0x0C;
	UART1 ->BRR1 = 0x0C;
	//Word length : by default it is 8 data bits

	//enable UART1 , Bit 5 of CR1
	UART1-> CR1 |= (1<<5);

	//Transmitter enable, TE bit is at 3 of CR2
	UART1-> CR2 |= ((1<<3)|(1<<2));
	//Receiver enable, RE bit is at 2 of CR2
	//UART1-> CR2 |= (1<<2);

}
void uart_transmit_byte(uint8_t byte)
{

	//write single byte to DATA register as TDR register is empty now
	//UART1->DR = byte;
	//UART1->DR = byte;
while(!(UART1->SR & UART1_SR_TXE));
	UART1->DR = byte;
	while(!(UART1->SR & UART1_SR_TC));
	// wait till TDR register move byte to shift regster
	//while(!(USART2->SR & USART_SR_TXE));

	//wait for transmission to complete
	//while(!(USART2->SR & USART_SR_TXE));
    //USART2->SR &= ~USART_SR_TXE;

}