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[原创] GD32(二)

GD32 GD32 2208 人阅读 | 0 人回复 | 2015-12-29

int main(void)
{
  LED_config();//

while (1)
{
LED1( ON );    // ??
Delay(0x0FFFEF);
LED1( OFF );    // ??

LED2( ON );
Delay(0x0FFFEF);
LED2( OFF );

LED3( ON );
Delay(0x0FFFEF);
LED3( OFF );
}
}
void Delay(__IO u32 nCount)    //?ò???????±????
{
for(; nCount != 0; nCount--);
}
#ifndef __LED_H
#define __LED_H
#include "gd32f20X.h"

/* the macro definition to trigger the led on or off
* 1 - off
- 0 - on
*/
#define ON  0
#define OFF 1

//?????ê???????????????????ù????
#define LED1(a) if (a) \
GPIO_SetBits(GPIOD,GPIO_PIN_11);\
else \
GPIO_ResetBits(GPIOD,GPIO_PIN_11)

#define LED2(a) if (a) \
GPIO_SetBits(GPIOD,GPIO_PIN_12);\
else \
GPIO_ResetBits(GPIOD,GPIO_PIN_12)

#define LED3(a) if (a) \
GPIO_SetBits(GPIOD,GPIO_PIN_13);\
else \
GPIO_ResetBits(GPIOD,GPIO_PIN_13)

void LED_GPIO_Config(void);

#endif /* __LED_H */

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