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void main() { int led=0x00FF; // Set PORTB (PB0,7) as digital output GPIO_Digital_Output(&GPIOB_ODR,_GPIO_PINMASK_LOW); while(1){ // endless loop delay_ms(100); if(led==0x0000){led=0x00FF;} led <<=1; led &= 0x00FF; GPIOB_ODR =led; } } |