115 lines
2.8 KiB
C
115 lines
2.8 KiB
C
#include <board.h>
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#include <rtthread.h>
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#include <drv_gpio.h>
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#ifndef RT_USING_NANO
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#include <rtdevice.h>
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#endif /* RT_USING_NANO */
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#define GPIO_LED_B GET_PIN(F, 11)
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#define GPIO_LED_R GET_PIN(F, 12)
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#define THREAD_PRIORITY 25
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#define THREAD_STACK_SIZE 1024
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#define THREAD_TIMESLICE 5
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#define PIN_KEY0 GET_PIN(C,0)
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#define KEY_PRESS_DOWN(key) (rt_pin_read((key))) == PIN_LOW)
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#define KEY_PRESSED PIN_LOW
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static rt_thread_t tid1 = RT_NULL;
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static rt_thread_t tid2 = RT_NULL;
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static void key_name_entry(void *parameter);
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static void led_name_entry(void *parameter);
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static rt_sem_t dynamic_sem = RT_NULL;
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int led(void)
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{
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rt_pin_mode(GPIO_LED_R, PIN_MODE_OUTPUT);
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rt_pin_mode(PIN_KEY0, PIN_MODE_INPUT_PULLUP);
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dynamic_sem = rt_sem_create("dsem", 0, RT_IPC_FLAG_PRIO);
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if (dynamic_sem == RT_NULL)
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{
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rt_kprintf("create dynamic semaphore failed.\n");
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return -1;
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}
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else
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{
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rt_kprintf("create done. dynamic semaphore value = 0.\n");
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}
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tid1 = rt_thread_create("key_thread",
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key_name_entry, RT_NULL,
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THREAD_STACK_SIZE,
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THREAD_PRIORITY, THREAD_TIMESLICE);
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if (tid1 != RT_NULL)
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{
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rt_thread_startup(tid1);
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}
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tid2 = rt_thread_create("led_thread",
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led_name_entry, RT_NULL,
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THREAD_STACK_SIZE,
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THREAD_PRIORITY, THREAD_TIMESLICE);
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if (tid2 != RT_NULL)
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{
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rt_thread_startup(tid2);
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}
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// while (1)
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// {
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// rt_pin_write(GPIO_LED_R, PIN_HIGH);
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// rt_thread_mdelay(500);
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// rt_pin_write(GPIO_LED_R, PIN_LOW);
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// rt_thread_mdelay(500);
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// }
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}
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MSH_CMD_EXPORT(led, led control);
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static void key_name_entry(void *parameter)
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{
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rt_uint32_t count=0;
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while (1)
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{
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if(rt_pin_read(PIN_KEY0) == KEY_PRESSED)
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{
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rt_thread_mdelay(10);
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if(rt_pin_read(PIN_KEY0) ==KEY_PRESSED)
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{
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rt_kprintf("key0 is pressed (%d) \n", count++);
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// rt_sem_release(dynamic_sem);
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}
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else
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{
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rt_sem_release(dynamic_sem);
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}
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}
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else
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{
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rt_sem_release(dynamic_sem);
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}
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rt_thread_mdelay(10);
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}
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}
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static void led_name_entry(void *parameter)
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{
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rt_uint32_t count=0;
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rt_uint32_t result=0;
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while (1)
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{
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rt_pin_write(GPIO_LED_R, PIN_HIGH);
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result = rt_sem_take(dynamic_sem, RT_WAITING_FOREVER);
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if (result == RT_EOK)
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{
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// rt_kprintf("LED LOW\n");
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rt_pin_write(GPIO_LED_R, PIN_LOW);
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}
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rt_thread_mdelay(10);
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}
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}
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