STMicroelectronics STM8 - Page 77

void GPIO_setup(void);
void clock_setup(void);
void TIM4_setup(void);
void main(void)
{
GPIO_setup();
clock_setup();
TIM4_setup();
while (TRUE)
{
value++;
delay_ms(999);
};
}
void GPIO_setup(void)
{
GPIO_DeInit(GPIOC);
GPIO_Init(GPIOC, ((GPIO_Pin_TypeDef)(GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7)),
GPIO_MODE_OUT_PP_HIGH_FAST);
GPIO_DeInit(GPIOD);
GPIO_Init(GPIOD, GPIO_PIN_ALL, GPIO_MODE_OUT_PP_HIGH_FAST);
}
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_SPI, DISABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_I2C, DISABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_ADC, DISABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_AWU, DISABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_UART1, DISABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER1, DISABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER2, DISABLE);
CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER4, ENABLE);
}
void TIM4_setup(void)
{
TIM4_DeInit();
TIM4_TimeBaseInit(TIM4_PRESCALER_32, 128);
TIM4_ITConfig(TIM4_IT_UPDATE, ENABLE);
TIM4_Cmd(ENABLE);
enableInterrupts();
}