STMicroelectronics STM8 Manual page 101

GPIO_setup();
UART1_setup();
LCD_init();
LCD_clear_home();
LCD_goto(0, 0);
LCD_putstr("TX:");
LCD_goto(0, 1);
LCD_putstr("RX:");
while(TRUE)
{
if(UART1_GetFlagStatus(UART1_FLAG_RXNE) == TRUE)
{
}
if(UART1_GetFlagStatus(UART1_FLAG_TXE) == FALSE)
{
}
};
}
void clock_setup(void)
{
CLK_DeInit();
CLK_HSECmd(DISABLE);
CLK_LSICmd(DISABLE);
CLK_HSICmd(ENABLE);
while(CLK_GetFlagStatus(CLK_FLAG_HSIRDY) == FALSE);
CLK_ClockSwitchCmd(ENABLE);
CLK_HSIPrescalerConfig(CLK_PRESCALER_HSIDIV8);
CLK_SYSCLKConfig(CLK_PRESCALER_CPUDIV1);
CLK_ClockSwitchConfig(CLK_SWITCHMODE_AUTO, CLK_SOURCE_HSI,
DISABLE, CLK_CURRENTCLOCKSTATE_ENABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_I2C, DISABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_SPI, DISABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_ADC, DISABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_AWU, DISABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_UART1, ENABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER1, DISABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER2, DISABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER4, DISABLE);
}
void GPIO_setup(void)
{
GPIO_DeInit(GPIOD);
GPIO_Init(GPIOD, GPIO_PIN_5, GPIO_MODE_OUT_PP_HIGH_FAST);
GPIO_Init(GPIOD, GPIO_PIN_6, GPIO_MODE_IN_PU_NO_IT);
}
void UART1_setup(void)
ch = UART1_ReceiveData8();
LCD_goto(7, 1);
LCD_putchar(ch);
UART1_ClearFlag(UART1_FLAG_RXNE);
UART1_SendData8(i + 0x30);
LCD_goto(7, 0);
LCD_putchar(i + 0x30);
i++;