rt-thread-official/bsp/lpc176x/application.c

124 lines
2.8 KiB
C

/*
* File : application.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2009, RT-Thread Development Team
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rt-thread.org/license/LICENSE
*
* Change Logs:
* Date Author Notes
* 2009-01-05 Bernard the first version
* 2010-03-04 Magicoe for LPC1766 version
* 2010-05-02 Aozima add led function
*/
/**2q
* @addtogroup LPC17
*/
/*@{*/
#include <rtthread.h>
#include "LPC17xx.h"
static void rt_hw_led_init(void)
{
LPC_GPIO2->FIODIR0 |= 1<<0; /* led0:P2.0 */
LPC_GPIO2->FIODIR0 |= 1<<1; /* led1:P2.1 */
}
static void rt_hw_led_on(unsigned int led)
{
switch(led)
{
case 0: /* P2.0 = 1 */
LPC_GPIO2->FIOSET0 = 1<<0;
break;
case 1: /* P2.1 = 1 */
LPC_GPIO2->FIOSET0 = 1<<1;
break;
default:
break;
}
}
static void rt_hw_led_off(unsigned int led)
{
switch(led)
{
case 0: /* P2.0 = 0 */
LPC_GPIO2->FIOCLR0 = 1<<0;
break;
case 1: /* P2.1 = 0 */
LPC_GPIO2->FIOCLR0 = 1<<1;
break;
default:
break;
}
}
static void rt_thread_entry_led1(void* parameter)
{
/* init led configuration */
rt_hw_led_init();
while (1)
{
/* led on */
rt_kprintf("led1 on\r\n");
rt_hw_led_on(0);
rt_thread_delay(50); /* sleep 0.5 second and switch to other thread */
/* led off */
rt_kprintf("led1 off\r\n");
rt_hw_led_off(0);
rt_thread_delay(50);
}
}
char thread_led2_stack[1024];
struct rt_thread thread_led2;
void rt_thread_entry_led2(void* parameter)
{
unsigned int count=0;
while (1)
{
/* led on */
rt_kprintf("led2 on,count : %d\r\n",count);
count++;
rt_hw_led_on(1);
rt_thread_delay(RT_TICK_PER_SECOND);
/* led off */
rt_kprintf("led2 off\r\n");
rt_hw_led_off(1);
rt_thread_delay(RT_TICK_PER_SECOND);
}
}
int rt_application_init()
{
rt_thread_t thread;
/* create led1 thread */
thread = rt_thread_create("led1",
rt_thread_entry_led1, RT_NULL,
512,
20, 5);
if (thread != RT_NULL)
rt_thread_startup(thread);
/* init led2 thread */
rt_thread_init(&thread_led2,
"led2",
rt_thread_entry_led2,
RT_NULL,
&thread_led2_stack[0],
sizeof(thread_led2_stack),10,10);
rt_thread_startup(&thread_led2);
return 0;
}
/*@}*/