bool BoardSupportPackage::init() {
bool result = false;
SysTick_Config(SystemCoreClock/BSP_TICKS_PER_SECOND);
initRCC();
initGPIO_Power();
initGPIO_Fan();
init_DHT11();
init_SPI();
init_TIM();
init_PWM();
screenInit();
result = true;
return result;
}
void initClock(u8 PLL)//PLL:2-16
{
uc tmp = 0;
initRCC();
RCC -> CR |= 1 << 16; //外部高速时钟使能HSEON
while(!(RCC -> CR >> 17)); //等待外部时钟就绪
RCC -> CFGR = 0x00000400; //0X00002000; //APB1=DIV2;APB2=DIV1;AHB=DIV1;
PLL -= 2; //抵消2个单位
RCC -> CFGR |= PLL << 18; //设置PLL值 2~16
RCC -> CFGR |= 1 << 16; //PLLSRC ON
//FLASH -> ACR |= 0x32; //FLASH 2个延时周期
RCC -> CR |= 0x01000000; //PLLON
while(!(RCC -> CR >> 25)); //等待PLL锁定
RCC -> CFGR |= 0x00000002; //PLL作为系统时钟
while(tmp != 0x02) //等待PLL作为系统时钟设置成功
{
tmp = RCC -> CFGR >> 2;
tmp &= 0x03; //tmp读取SWS值(系统时钟切换状态)
}
}
int main(){
u8 res;
initRCC();
initGPIO();
initTIM2();
initUSART3();
initI2C1();
__enable_irq(); // глобальное включение прерывания
// I2C1_tx(0xD0,0x6B,0x00);
// I2C1_tx(0xD0,0x1B,0xE0);
// I2C1_tx(0xD0,0x1C,0xE0);
read_I2C1(GY521_ADRESS,WHO_I_AM);
// read_data_acc();
green_on();
while(1){
while(!number_of_tasks)
{}
(*buffer_of_tasks[head_of_tasks])();
deleteTask();
}
return 0;
}
