3.流水灯

1. /**
   
2. * This is template for main module created by MCUXpresso Project Generator. Enjoy！
   
3. **/
   
4. 
   
5. #include "board.h"
   
6. #include "pin_mux.h"
   
7. #include "clock_config.h"
   
8. 
   
9. #include "fsl_gpio.h"
   
10. 
    
11. void delay(void)
    
12. {
    
13.     volatile uint32_t i = 0;
    
14.     for (i = 0; i < 1000000; ++i)
    
15.     {
    
16.         __asm("NOP"); /* delay */
    
17.     }
    
18. }
    
19. 
    
20. /*！
    
21. * [url=home.php?mod=space&uid=2666770]@Brief[/url] Application entry point.
    
22. */
    
23. int main(void) {
    
24.   /* Init board hardware. */
    
25.   BOARD_InitBootPins();
    
26.   BOARD_InitBootClocks();
    
27.   BOARD_InitDebugConsole();
    
28. #ifdef SDK_PRIMARY_CORE
    
29.   BOARD_StartSecondaryCore();
    
30. #endif
    
31. 
    
32.   /* Add your code here */
    
33.   gpio_pin_config_t config_low = {
    
34.     kGPIO_DigitalOutput,
    
35.     0,
    
36.   };
    
37.   gpio_pin_config_t config_high = {
    
38.     kGPIO_DigitalOutput,
    
39.     1,
    
40.   };
    
41.   
    
42.   CLOCK_EnableClock(kCLOCK_Gpio0);
    
43.   GPIO_PinInit(BOARD_INITPINS_LED0_GPIO, BOARD_INITPINS_LED0_PORT, BOARD_INITPINS_LED0_GPIO_PIN, &config_low);
    
44.   GPIO_PinInit(BOARD_INITPINS_LED1_GPIO, BOARD_INITPINS_LED1_PORT, BOARD_INITPINS_LED1_GPIO_PIN, &config_low);
    
45.   GPIO_PinInit(BOARD_INITPINS_LED2_GPIO, BOARD_INITPINS_LED2_PORT, BOARD_INITPINS_LED2_GPIO_PIN, &config_low);
    
46.   GPIO_PinInit(BOARD_INITPINS_LED3_GPIO, BOARD_INITPINS_LED3_PORT, BOARD_INITPINS_LED3_GPIO_PIN, &config_low);
    
47.   GPIO_PinInit(BOARD_INITPINS_LED4_GPIO, BOARD_INITPINS_LED4_PORT, BOARD_INITPINS_LED4_GPIO_PIN, &config_high);
    
48.   GPIO_PinInit(BOARD_INITPINS_LED5_GPIO, BOARD_INITPINS_LED5_PORT, BOARD_INITPINS_LED5_GPIO_PIN, &config_high);
    
49.   GPIO_PinInit(BOARD_INITPINS_LED6_GPIO, BOARD_INITPINS_LED6_PORT, BOARD_INITPINS_LED6_GPIO_PIN, &config_high);
    
50.   GPIO_PinInit(BOARD_INITPINS_LED7_GPIO, BOARD_INITPINS_LED7_PORT, BOARD_INITPINS_LED7_GPIO_PIN, &config_high);
    
51. 
    
52.   for(;;) { /* Infinite loop to avoid leaving the main function */
    
53.     __asm("NOP"); /* something to use as a breakpoint stop while looping */
    
54.     GPIO_SetPinsOutput(BOARD_INITPINS_LED0_GPIO, BOARD_INITPINS_LED0_PORT, 1U << BOARD_INITPINS_LED0_GPIO_PIN);
    
55.     delay();
    
56.     GPIO_ClearPinsOutput(BOARD_INITPINS_LED0_GPIO, BOARD_INITPINS_LED0_PORT, 1U << BOARD_INITPINS_LED0_GPIO_PIN);
    
57. 
    
58.     GPIO_SetPinsOutput(BOARD_INITPINS_LED1_GPIO, BOARD_INITPINS_LED1_PORT, 1U << BOARD_INITPINS_LED1_GPIO_PIN);
    
59.     delay();
    
60.     GPIO_ClearPinsOutput(BOARD_INITPINS_LED1_GPIO, BOARD_INITPINS_LED1_PORT, 1U << BOARD_INITPINS_LED1_GPIO_PIN);
    
61. 
    
62.     GPIO_SetPinsOutput(BOARD_INITPINS_LED2_GPIO, BOARD_INITPINS_LED2_PORT, 1U << BOARD_INITPINS_LED2_GPIO_PIN);
    
63.     delay();
    
64.     GPIO_ClearPinsOutput(BOARD_INITPINS_LED2_GPIO, BOARD_INITPINS_LED2_PORT, 1U << BOARD_INITPINS_LED2_GPIO_PIN);
    
65. 
    
66.     GPIO_SetPinsOutput(BOARD_INITPINS_LED3_GPIO, BOARD_INITPINS_LED3_PORT, 1U << BOARD_INITPINS_LED3_GPIO_PIN);
    
67.     delay();
    
68.     GPIO_ClearPinsOutput(BOARD_INITPINS_LED3_GPIO, BOARD_INITPINS_LED3_PORT, 1U << BOARD_INITPINS_LED3_GPIO_PIN);
    
69. 
    
70.     GPIO_ClearPinsOutput(BOARD_INITPINS_LED4_GPIO, BOARD_INITPINS_LED4_PORT, 1U << BOARD_INITPINS_LED4_GPIO_PIN);
    
71.     delay();
    
72.     GPIO_SetPinsOutput(BOARD_INITPINS_LED4_GPIO, BOARD_INITPINS_LED4_PORT, 1U << BOARD_INITPINS_LED4_GPIO_PIN);
    
73. 
    
74.     GPIO_ClearPinsOutput(BOARD_INITPINS_LED5_GPIO, BOARD_INITPINS_LED5_PORT, 1U << BOARD_INITPINS_LED5_GPIO_PIN);
    
75.     delay();
    
76.     GPIO_SetPinsOutput(BOARD_INITPINS_LED5_GPIO, BOARD_INITPINS_LED5_PORT, 1U << BOARD_INITPINS_LED5_GPIO_PIN);
    
77. 
    
78.     GPIO_ClearPinsOutput(BOARD_INITPINS_LED6_GPIO, BOARD_INITPINS_LED6_PORT, 1U << BOARD_INITPINS_LED6_GPIO_PIN);
    
79.     delay();
    
80.     GPIO_SetPinsOutput(BOARD_INITPINS_LED6_GPIO, BOARD_INITPINS_LED6_PORT, 1U << BOARD_INITPINS_LED6_GPIO_PIN);
    
81. 
    
82.     GPIO_ClearPinsOutput(BOARD_INITPINS_LED7_GPIO, BOARD_INITPINS_LED7_PORT, 1U << BOARD_INITPINS_LED7_GPIO_PIN);
    
83.     delay();
    
84.     GPIO_SetPinsOutput(BOARD_INITPINS_LED7_GPIO, BOARD_INITPINS_LED7_PORT, 1U << BOARD_INITPINS_LED7_GPIO_PIN);
    
85.   }
    
86. }
    

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