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#include CMSIS_device_header
void delay(volatile uint32_t count);
void delay(volatile uint32_t count){//1 002 560 = 1sec
while(count--)
__NOP();
}
int main( ){
// work mode GPIOB and GPIOD
*(uint32_t*)(0x40021014) |= 0x40000;
RCC->AHBENR |= RCC_AHBENR_GPIODEN;
// output mode PB0 and PD5
*(uint32_t*)(0x48000400) |= 0x1;
GPIOD->MODER |= 0x400;
// high-level installation PB0 and PD5
*(uint32_t*)(0x48000414) |= 0x1;//C(8)
GPIOD->ODR |= 0x20;
/*
*(uint32_t*)(0x40021014) |= 0x00040000;//B(18)
*(uint32_t*)(0x48000400) |= 0x00000400;//B(10)
*(uint32_t*)(0x48000418) |= 0x00000020;//B(5)
GPIOC->ODR = 0x00000100;
GPIOB->ODR = 0x00000020;
*/
uint32_t delay_size=76;
while(1){
GPIOD->ODR = 0x00000000;
*(uint32_t*)(0x48000418) = 0x10000;
delay(delay_size);
GPIOD->ODR = 0x00000020;
delay(delay_size);
GPIOD->ODR = 0x00000000;
*(uint32_t*)(0x48000418) = 0x1;
delay(delay_size);
GPIOD->ODR = 0x00000020;
delay(delay_size);
}
}
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