[bsp] add led task to easy confirm kernel is running
#include <board.h>
#include <rtthread.h>
+#include "peri_driver.h"
+
+#define INIT_STACK_SIZE 512
+#define LED_STACK_SIZE 256
+
#ifndef RT_USING_HEAP
/* if there is not enable heap, we should use static thread and stack. */
ALIGN(8)
-static rt_uint8_t init_stack[512];
+static rt_uint8_t init_stack[INIT_STACK_SIZE];
static struct rt_thread init_thread;
+
+ALIGN(8)
+static rt_uint8_t led_stack[LED_STACK_SIZE];
+static struct rt_thread led_thread;
#endif
void rt_init_thread_entry(void* parameter)
@@ -31,6 +40,24 @@ void rt_init_thread_entry(void* parameter)
#endif
}
+
+void rt_led_thread_entry(void *parameter)
+{
+ /* Initialize GPIO */
+ Chip_GPIO_Init(LPC_GPIO_PORT);
+ Chip_GPIO_PinSetDIR(LPC_GPIO_PORT, 0, 7, 1);
+ Chip_GPIO_PinSetState(LPC_GPIO_PORT, 0, 7, true);
+
+ while (1)
+ {
+ Chip_GPIO_PinSetState(LPC_GPIO_PORT, 0, 7, true);
+ rt_thread_delay(RT_TICK_PER_SECOND / 2);
+
+ Chip_GPIO_PinSetState(LPC_GPIO_PORT, 0, 7, false);
+ rt_thread_delay(RT_TICK_PER_SECOND / 2);
+ }
+}
+
int rt_application_init()
{
rt_thread_t tid;
@@ -38,7 +65,7 @@ int rt_application_init()
#ifdef RT_USING_HEAP
tid = rt_thread_create("init",
rt_init_thread_entry, RT_NULL,
- 2048, RT_THREAD_PRIORITY_MAX/3, 20);
+ INIT_STACK_SIZE, RT_THREAD_PRIORITY_MAX/3, 20);
#else
{
@@ -53,5 +80,23 @@ int rt_application_init()
if (tid != RT_NULL)
rt_thread_startup(tid);
+#ifdef RT_USING_HEAP
+ tid = rt_thread_create("led",
+ rt_led_thread_entry, RT_NULL,
+ LED_STACK_SIZE, RT_THREAD_PRIORITY_MAX/3, 20);
+#else
+ {
+
+ rt_err_t result;
+
+ tid = &led_thread;
+ result = rt_thread_init(tid, "led", rt_led_thread_entry, RT_NULL,
+ led_stack, sizeof(led_stack), RT_THREAD_PRIORITY_MAX / 4, 20);
+ RT_ASSERT(result == RT_EOK);
+ }
+#endif
+ if (tid != RT_NULL)
+ rt_thread_startup(tid);
+
return 0;
}
