LPC54110学习+流水灯

lkl0305

拿到开发板，赶快来个点亮LED，一看原理图，有足足8个LED，有点浪费了。



来做个流水灯吧！
暂时先用MDK软件

只是用了CM4内核。

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

复制代码

感觉整个程序都在做体力劳动！刚开始，慢慢来吧。
来个效果图：



完整工程
TestProject_cm4.rar (4.73 MB, 下载次数: 129)

2017-4-3 22:48 上传

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anny

不错的流水灯