update FM3 IAR project

add cpu usage displaying
control LED3 by ADC

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1326 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/fm3/adc.c

@@ -20,6 +20,7 @@
 
 #include "mb9bf506r.h"
 #include "adc.h"
+#include "led.h"
 
 static struct rt_device adc;
 
@@ -46,7 +47,6 @@ static rt_err_t rt_adc_init(rt_device_t dev)
         
         dev->flag |= RT_DEVICE_FLAG_ACTIVATED;
 	}
-
 	return RT_EOK;
 }
 
@@ -68,7 +68,6 @@ static rt_err_t rt_adc_control(rt_device_t dev, rt_uint8_t cmd, void *args)
             *((rt_uint16_t*)args) = (*((rt_uint16_t*)args)*3300)/1024;
 		break;
 	}
-
 	return RT_EOK;
 }
 
@@ -87,6 +86,7 @@ static void adc_thread_entry(void *parameter)
     {
         rt_device_control(device, RT_DEVICE_CTRL_ADC_START, RT_NULL);    
         rt_device_control(device, RT_DEVICE_CTRL_ADC_RESULT, &adc_value);
+        pwm_update(adc_value/3);
         rtgui_thread_send(info_tid, &ecmd.parent, sizeof(ecmd));
         rt_thread_delay(20);
     }
@@ -95,7 +95,7 @@ static void adc_thread_entry(void *parameter)
 static rt_thread_t adc_thread;
 void rt_hw_adc_init(void)
 {
-	adc.type 		= RT_Device_Class_Char; /* fixme: should be adc type */
+	adc.type 		= RT_Device_Class_Char;
 	adc.rx_indicate = RT_NULL;
 	adc.tx_complete = RT_NULL;
 	adc.init 		= rt_adc_init;
@@ -106,7 +106,7 @@ void rt_hw_adc_init(void)
 	adc.control 	= rt_adc_control;
 	adc.user_data	= RT_NULL;
 
-    adc_thread = rt_thread_create("adc", adc_thread_entry, RT_NULL, 384, 29, 5);
+    adc_thread = rt_thread_create("adc", adc_thread_entry, RT_NULL, 384, 26, 5);
     if(adc_thread != RT_NULL) 
         rt_thread_startup(adc_thread);
     

bsp/fm3/application.c

@@ -25,6 +25,7 @@
 #include "key.h"
 #include "adc.h"
 #include "lcd.h"
+#include "cpuusage.h"
 #include <rtgui/rtgui.h>
 extern void rtgui_startup();
 #endif
@@ -37,6 +38,7 @@ void rt_init_thread_entry(void *parameter)
 	rt_hw_key_init();
 	rt_hw_adc_init();
 	rt_hw_lcd_init();      
+	rt_hw_cpu_init();
     
 	/* re-init device driver */
 	rt_device_init_all();

bsp/fm3/cpuusage.c

@@ -0,0 +1,100 @@
+#include <rtthread.h>
+#include <rthw.h>
+#include <rtgui/event.h>
+#include <rtgui/rtgui_server.h>
+#include <rtgui/rtgui_system.h>
+#include "cpuusage.h"
+
+#define CPU_USAGE_CALC_TICK	10
+#define CPU_USAGE_LOOP		100
+
+static rt_uint8_t  cpu_usage_major = 0, cpu_usage_minor= 0;
+static rt_uint32_t total_count = 0;
+
+static void cpu_usage_idle_hook()
+{
+	rt_tick_t tick;
+	rt_uint32_t count;
+	volatile rt_uint32_t loop;
+
+	if (total_count == 0)
+	{
+		loop = 0;
+
+		/* get total count */
+		rt_enter_critical();
+		tick = rt_tick_get();
+		while(rt_tick_get() - tick < CPU_USAGE_CALC_TICK)
+		{
+			total_count ++;
+			while (loop < CPU_USAGE_LOOP) loop ++;
+		}
+		rt_exit_critical();
+	}
+
+	count = 0;
+	loop  = 0;
+	/* get CPU usage */
+	tick = rt_tick_get();
+	while (rt_tick_get() - tick < CPU_USAGE_CALC_TICK)
+	{
+		count ++;
+		while (loop < CPU_USAGE_LOOP) loop ++;
+	}
+
+	/* calculate major and minor */
+	if (count < total_count)
+	{
+		count = total_count - count;
+		cpu_usage_major = (count * 100) / total_count;
+		cpu_usage_minor = ((count * 100) % total_count) * 100 / total_count;
+	}
+	else
+	{
+		total_count = count;
+
+		/* no CPU usage */
+		cpu_usage_major = 0;
+		cpu_usage_minor = 0;
+	}
+}
+
+void cpu_usage_get(rt_uint8_t *major, rt_uint8_t *minor)
+{
+	RT_ASSERT(major != RT_NULL);
+	RT_ASSERT(minor != RT_NULL);
+
+	*major = cpu_usage_major;
+	*minor = cpu_usage_minor;
+}
+
+void cpu_usage_init()
+{
+	/* set idle thread hook */
+	rt_thread_idle_sethook(cpu_usage_idle_hook);
+}
+
+extern rt_thread_t info_tid;
+static void cpu_thread_entry(void *parameter)
+{
+    struct rtgui_event_command ecmd;
+    
+    RTGUI_EVENT_COMMAND_INIT(&ecmd);
+    ecmd.type = RTGUI_CMD_USER_INT;
+    ecmd.command_id = CPU_UPDATE;
+    
+    while (1)
+    {
+        rtgui_thread_send(info_tid, &ecmd.parent, sizeof(ecmd));
+        rt_thread_delay(20);
+    }
+}
+
+static rt_thread_t cpu_thread;
+void rt_hw_cpu_init(void)
+{
+    cpu_usage_init();
+    cpu_thread = rt_thread_create("cpu", cpu_thread_entry, RT_NULL, 384, 27, 5);
+    if(cpu_thread != RT_NULL) 
+        rt_thread_startup(cpu_thread);
+}

bsp/fm3/cpuusage.h

@@ -0,0 +1,23 @@
+/*
+ * File      : cpuusage.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2011, RT-Thread Develop 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
+ * 2011-03-03     lgnq
+ */
+ 
+#ifndef __CPUUSAGE_H__
+#define __CPUUSAGE_H__
+
+#define CPU_UPDATE 1
+
+void cpu_usage_get(rt_uint8_t *major, rt_uint8_t *minor);
+void rt_hw_cpu_init(void);
+
+#endif /*__ADC_H__ */

bsp/fm3/fm3_easy_kit.ewp

@@ -1989,6 +1989,9 @@
     <file>
       <name>$PROJ_DIR$\board.c</name>
     </file>
+    <file>
+      <name>$PROJ_DIR$\cpuusage.c</name>
+    </file>
     <file>
       <name>$PROJ_DIR$\info.c</name>
     </file>

bsp/fm3/info.c

@@ -6,19 +6,20 @@
 #include <rtgui/widgets/workbench.h>
 
 #include "adc.h"
+#include "cpuusage.h"
 #include <rtthread.h>
 
 extern rt_uint16_t adc_value;
-
+static rt_uint8_t index = 0 ;
 static rt_bool_t view_event_handler(struct rtgui_widget* widget, struct rtgui_event* event)
 {
-	if(event->type == RTGUI_EVENT_PAINT)
+	if (event->type == RTGUI_EVENT_PAINT)
 	{
 		struct rtgui_dc* dc;
 		struct rtgui_rect rect;
 
 		dc = rtgui_dc_begin_drawing(widget);
-		if(dc == RT_NULL) 
+		if (dc == RT_NULL) 
             return RT_FALSE;
 		rtgui_widget_get_rect(widget, &rect);
 
@@ -35,77 +36,112 @@ static rt_bool_t view_event_handler(struct rtgui_widget* widget, struct rtgui_ev
         
 		/* draw text */
         rtgui_widget_get_rect(widget, &rect);
-        rect.x1 += 1;
-        rect.y1 += 1;        
-		rtgui_dc_draw_text(dc, "FM3 Easy Kit Demo", &rect);
+        rect.y1 += 25;        
+        rtgui_dc_draw_text(dc, "  FM3 Easy Kit Demo", &rect);
         rect.y1 += 10;
-        rtgui_dc_draw_text(dc, "[rt-thread/RTGUI]", &rect);
-        
+        rtgui_dc_draw_text(dc, "  rt-thread / RTGUI", &rect);
 		rtgui_dc_end_drawing(dc);
 
 		return RT_FALSE;
 	}
-    else if(event->type == RTGUI_EVENT_KBD)
+    else if (event->type == RTGUI_EVENT_KBD)
     {
+        struct rtgui_dc* dc;
+        struct rtgui_rect rect;
         struct rtgui_event_kbd* ekbd = (struct rtgui_event_kbd*)event;
-        if(ekbd->type == RTGUI_KEYDOWN)
+        if (ekbd->type == RTGUI_KEYDOWN)
         {
             char key_str[16];
-            struct rtgui_dc* dc;
-            struct rtgui_rect rect;
-
-            switch(ekbd->key)
+            switch (ekbd->key)
             {
                 case RTGUIK_LEFT:
-                rt_sprintf(key_str, "KEY = %s", "LEFT");
+                rt_sprintf(key_str, "%s", "L");
                 break;
                 case RTGUIK_RIGHT:
-                rt_sprintf(key_str, "KEY = %s", "RIGHT");
+                rt_sprintf(key_str, "%s", "R");
                 break;
                 case RTGUIK_DOWN:
-                rt_sprintf(key_str, "KEY = %s", "DOWN");
+                rt_sprintf(key_str, "%s", "D");
                 break;
                 case RTGUIK_UP:
-                rt_sprintf(key_str, "KEY = %s", "UP");
+                rt_sprintf(key_str, "%s", "U");
                 break;                
                 default:
-                rt_sprintf(key_str, "KEY = %s", "UNKNOWN");
+                rt_sprintf(key_str, "%s", "S");
                 break;
             }
             dc = rtgui_dc_begin_drawing(widget);
-            if(dc == RT_NULL) 
+            if (dc == RT_NULL) 
                 return RT_FALSE;
-            rect.x1 = 10;
-            rect.y1 = 30;  
-            rect.x2 = 120;
-            rect.y2 = 40;       
+            rect.x1 = 118;
+            rect.y1 = 1;  
+            rect.x2 = 127;
+            rect.y2 = 10;       
             rtgui_dc_fill_rect(dc, &rect);
             rtgui_dc_draw_text(dc, key_str, &rect);
             rtgui_dc_end_drawing(dc);
         }
+        else if (ekbd->type == RTGUI_KEYUP)
+        {
+            dc = rtgui_dc_begin_drawing(widget);
+            if (dc == RT_NULL) 
+                return RT_FALSE;
+            rect.x1 = 118;
+            rect.y1 = 1;  
+            rect.x2 = 127;
+            rect.y2 = 10;       
+            rtgui_dc_fill_rect(dc, &rect);
+            //rtgui_dc_draw_text(dc, key_str, &rect);
+            rtgui_dc_end_drawing(dc);
+        }
     }
-    else if(event->type == RTGUI_EVENT_COMMAND)
+    else if (event->type == RTGUI_EVENT_COMMAND)
     {
-        char adc_str[10];
+        char str[16];
         struct rtgui_dc* dc;
         struct rtgui_rect rect;
         dc = rtgui_dc_begin_drawing(widget);
-        if(dc == RT_NULL) 
+        if (dc == RT_NULL) 
             return RT_FALSE;
             
         struct rtgui_event_command* ecmd = (struct rtgui_event_command*)event;
-        switch(ecmd->command_id)
+        switch (ecmd->command_id)
         {   
             case ADC_UPDATE:
-            rect.x1 = 10;
-            rect.y1 = 40;  
-            rect.x2 = 120;
-            rect.y2 = 50;       
-            rtgui_dc_fill_rect(dc, &rect);     
-			rt_sprintf(adc_str, "ADC = %d mv", adc_value);
-			rtgui_dc_draw_text(dc, adc_str, &rect);	
-            rtgui_dc_end_drawing(dc);
+                rect.x1 = 1;
+                rect.y1 = 1;  
+                rect.x2 = 117;
+                rect.y2 = 10;       
+                rtgui_dc_fill_rect(dc, &rect);     
+			    rt_sprintf(str, "ADC = %d mv", adc_value);
+			    rtgui_dc_draw_text(dc, str, &rect);	
+            break;
+            case CPU_UPDATE:
+                rt_uint8_t major,minor;
+                cpu_usage_get(&major, &minor);
+                rect.x1 = 1;
+                rect.y1 = 12;  
+                rect.x2 = 127;
+                rect.y2 = 22;       
+                rtgui_dc_fill_rect(dc, &rect);     
+			    rt_sprintf(str, "CPU : %d.%d%", major, minor);
+			    rtgui_dc_draw_text(dc, str, &rect);
+
+                rect.y1 = 23;  
+                rect.y2 = 63;                 
+                index++;
+                if (index == 127)
+                {    
+                    index = 1;
+                    rtgui_dc_fill_rect(dc, &rect);     
+                }
+                if (major>40)
+                    rtgui_dc_draw_vline(dc, index, rect.y1, rect.y2);
+                else
+                    rtgui_dc_draw_vline(dc, index, rect.y2-major, rect.y2);
+                break;
         }
+        rtgui_dc_end_drawing(dc); 
     }
 
 	return rtgui_view_event_handler(widget, event);
@@ -148,7 +184,7 @@ void info_init()
 {
     info_tid = rt_thread_create("info",
         info_entry, RT_NULL,
-        2048, 26, 10);
+        2048, 25, 10);
 
     if (info_tid != RT_NULL) rt_thread_startup(info_tid);
 }

bsp/fm3/key.c

@@ -1,3 +1,17 @@
+/*
+ * File      : key.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2011, RT-Thread Develop 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
+ * 2011-03-03     lgnq
+ */
+
 #include <rtthread.h>
 #include "key.h"
 
@@ -33,17 +47,16 @@ static void key_thread_entry(void *parameter)
         kbd_event.key = RTGUIK_UNKNOWN;
         kbd_event.type = RTGUI_KEYDOWN;
 
-        if(KEY_ENTER_GETVALUE() == 0 )
+        if (KEY_ENTER_GETVALUE() == 0 )
         {
             for(i=0; ; i++)
             {
                 rt_thread_delay( next_delay );
                 if (KEY_ENTER_GETVALUE() == 0)
                 {
-                    if(i>=4)
+                    if (i>=4)
                     {
                         /* HOME key */
-                        //rt_kprintf("key_home\n");
                         kbd_event.key  = RTGUIK_HOME;
                         next_delay = RT_TICK_PER_SECOND/5;
                         break;
@@ -51,51 +64,42 @@ static void key_thread_entry(void *parameter)
                 }
                 else
                 {
-                    //rt_kprintf("key_enter\n");
                     kbd_event.key  = RTGUIK_RETURN;
                     break;
                 }
             }
         }
 
-        if(KEY_DOWN_GETVALUE() == 0)
+        if (KEY_DOWN_GETVALUE() == 0)
         {
-            // rt_kprintf("key_down\n");
             kbd_event.key  = RTGUIK_DOWN;
         }
 
-        if(KEY_UP_GETVALUE() == 0)
+        if (KEY_UP_GETVALUE() == 0)
         {
-            // rt_kprintf("key_up\n");
             kbd_event.key  = RTGUIK_UP;
         }
 
-        if(KEY_RIGHT_GETVALUE() == 0)
+        if (KEY_RIGHT_GETVALUE() == 0)
         {
-            // rt_kprintf("key_right\n");
             kbd_event.key  = RTGUIK_RIGHT;
         }
 
-        if(KEY_LEFT_GETVALUE() == 0)
+        if (KEY_LEFT_GETVALUE() == 0)
         {
-            // rt_kprintf("key_left\n");
             kbd_event.key  = RTGUIK_LEFT;
         }
 
-        if(kbd_event.key != RTGUIK_UNKNOWN)
+        if (kbd_event.key != RTGUIK_UNKNOWN)
         {
             /* post down event */
             rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
-
-            //next_delay = RT_TICK_PER_SECOND/10;
-            /* delay to post up event */
-            rt_thread_delay(next_delay);
-
-            /* post up event */
+        }
+        else
+        {
             kbd_event.type = RTGUI_KEYUP;
             rtgui_server_post_event(&(kbd_event.parent), sizeof(kbd_event));
         }
-
         /* wait next key press */
         rt_thread_delay(next_delay);
     }
@@ -104,7 +108,7 @@ static void key_thread_entry(void *parameter)
 static rt_thread_t key_thread;
 void rt_hw_key_init(void)
 {
-    key_thread = rt_thread_create("key", key_thread_entry, RT_NULL, 384, 30, 5);
-    if(key_thread != RT_NULL) 
+    key_thread = rt_thread_create("key", key_thread_entry, RT_NULL, 384, 28, 5);
+    if (key_thread != RT_NULL) 
         rt_thread_startup(key_thread);
 }

bsp/fm3/lcd.c

@@ -20,11 +20,8 @@ static rt_uint8_t gui_disp_buf[GUI_LCM_YMAX/8][GUI_LCM_XMAX];
 struct rtgui_lcd_device
 {
     struct rt_device parent;
-
-    /* screen width and height */
     rt_uint16_t width;
     rt_uint16_t height;
-
     void* hw_framebuffer;
 };
 static struct rtgui_lcd_device *lcd = RT_NULL;
@@ -59,7 +56,7 @@ void LCD_WriteCmd(unsigned char command)
     LCD_CD_LOW();
     for(i=0; i<8; i++)
     {
-        if(command & (0x80 >> i))
+        if (command & (0x80 >> i))
             LCD_DATA_HIGH();
         else
             LCD_DATA_LOW();
@@ -81,7 +78,7 @@ void LCD_WriteData(unsigned char data)
     LCD_CD_HIGH();
     for(i=0; i<8; i++)
     {
-        if(data & (0x80 >> i))
+        if (data & (0x80 >> i))
             LCD_DATA_HIGH();
         else
             LCD_DATA_LOW();
@@ -103,13 +100,13 @@ static void rt_hw_lcd_update(rtgui_rect_t *rect)
     rt_uint8_t i,j = GUI_LCM_XMAX;
     rt_uint8_t* p = (rt_uint8_t*)gui_disp_buf;  
     
-    for(i=0; i<GUI_LCM_PAGE; i++)
+    for (i=0; i<GUI_LCM_PAGE; i++)
     { 
         LCD_WriteCmd(Set_Page_Addr_0|i);    
         LCD_WriteCmd(Set_ColH_Addr_0);        
         LCD_WriteCmd(Set_ColL_Addr_0);
         j = GUI_LCM_XMAX;
-        while(j--)
+        while (j--)
         {
             LCD_WriteData(*p++);
             Delay();
@@ -127,10 +124,10 @@ static void rt_hw_lcd_set_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
     rt_uint8_t page;
     page = y/8;
 
-    if(*c == black)
+    if (*c == black)
         gui_disp_buf[page][x] |= 1<<(y%8);
     else 
-        if(*c == white)
+        if (*c == white)
             gui_disp_buf[page][x] &= ~(1<<(y%8));
 }
 
@@ -139,7 +136,7 @@ static void rt_hw_lcd_get_pixel(rtgui_color_t *c, rt_base_t x, rt_base_t y)
     rt_uint8_t page;
     page = y/8;
     
-    if(gui_disp_buf[page][x] & (1<<(y%8)))
+    if (gui_disp_buf[page][x] & (1<<(y%8)))
         *c = black;
     else
         *c = white;
@@ -151,12 +148,12 @@ static void rt_hw_lcd_draw_hline(rtgui_color_t *c, rt_base_t x1, rt_base_t x2, r
 	rt_uint8_t i;
     page = y/8;
   
-    for(i=x1; i<x2; i++)
+    for (i=x1; i<x2; i++)
     {
-        if(*c == black)
+        if (*c == black)
             gui_disp_buf[page][i] |= 1<<(y%8);
         else 
-            if(*c == white)
+            if (*c == white)
                 gui_disp_buf[page][i] &= ~(1<<(y%8));      
     }
 }
@@ -165,7 +162,7 @@ static void rt_hw_lcd_draw_vline(rtgui_color_t *c, rt_base_t x, rt_base_t y1, rt
 {
     rt_uint8_t y;
 
-    for(y = y1; y < y2; y ++)
+    for (y = y1; y < y2; y ++)
     {
         rt_hw_lcd_set_pixel(c, x, y);
     }
@@ -180,7 +177,7 @@ static void rt_hw_lcd_draw_raw_hline(rt_uint8_t *pixels, rt_base_t x1, rt_base_t
 
     page = y/8;
   
-    for(i=x1; i<x2; i++)
+    for (i=x1; i<x2; i++)
     {
         gui_disp_buf[page][i] |= 1<<(y%8);
         coll = i & 0x0f;
@@ -311,7 +308,6 @@ static rt_err_t rt_lcd_control (rt_device_t dev, rt_uint8_t cmd, void *args)
             LCD_WriteCmd(Display_Off);
             break;        
     }
-
     return RT_EOK;
 }
 

bsp/fm3/led.c

@@ -22,7 +22,7 @@ void rt_hw_led_on(rt_uint8_t num)
 {
 	RT_ASSERT(num < LEDS_MAX_NUMBER);
     
-    switch(num)
+    switch (num)
     {
         case 1:
             LED_PDOR &= ~LED1;
@@ -42,7 +42,7 @@ void rt_hw_led_off(rt_uint8_t num)
 {
 	RT_ASSERT(num < LEDS_MAX_NUMBER);
 
-    switch(num)
+    switch (num)
     {
         case 1:
             LED_PDOR |= LED1;
@@ -62,22 +62,22 @@ void rt_hw_led_toggle(rt_uint8_t num)
 {
 	RT_ASSERT(num < LEDS_MAX_NUMBER);
     
-    switch(num)
+    switch (num)
     {
         case 1:
-            if(LED_PDOR&LED1)
+            if (LED_PDOR&LED1)
                 LED_PDOR &= ~LED1;
             else
                 LED_PDOR |= LED1;
         break;
         case 2:
-            if(LED_PDOR&LED2)
+            if (LED_PDOR&LED2)
                 LED_PDOR &= ~LED2;
             else
                 LED_PDOR |= LED2;
         break;
         case 3:
-            if(LED_PDOR&LED3)
+            if (LED_PDOR&LED3)
                 LED_PDOR &= ~LED3;
             else
                 LED_PDOR |= LED3;    
@@ -95,25 +95,40 @@ static rt_err_t led_io_init(void)
     LED_PDOR |= LED_MASK;
     /*Make led pins outputs*/
     LED_DDR |= LED_MASK;
-
+    
+    //LED3 is controled by PWM
+    FM3_GPIO->PFR3 = 0x1000;
+    FM3_GPIO->EPFR04 = 0x00080000;
+    FM3_BT2_PWM->TMCR = 0x0018;
+    FM3_BT2_PWM->TMCR2 = 0x01;			/* cks=0b1000 count clk 1/512 */
+    FM3_BT2_PWM->STC = 0x00;
+    FM3_BT2_PWM->PCSR  = 0x61A;			/* Down count = 1562 */
+    FM3_BT2_PWM->PDUT  = 0x0;			/* Duty count = 16/1562=10% */
+  
+    FM3_BT2_PWM->TMCR |= 0x03;			/* start base timer(softwere TRG) */
     return RT_EOK;
 }
 
+void pwm_update(rt_uint16_t value)
+{
+    FM3_BT2_PWM->PDUT  = value;			
+}
+
 static void led1_thread_entry(void *parameter)
 {
-    while(1)
+    while (1)
     {
         rt_hw_led_toggle(1);
-        rt_thread_delay(10);
+        rt_thread_delay(RT_TICK_PER_SECOND);
     }
 }
 
 static void led2_thread_entry(void *parameter)
 {
-    while(1)
+    while (1)
     {
         rt_hw_led_toggle(2);
-        rt_thread_delay(20);
+        rt_thread_delay(RT_TICK_PER_SECOND/2);
     }
 }
 
@@ -122,13 +137,13 @@ static rt_thread_t led2_thread;
 void rt_hw_led_init(void)
 {
     led_io_init();
-    
-    led1_thread = rt_thread_create("led1", led1_thread_entry, RT_NULL, 384, 31, 5);
-    if(led1_thread != RT_NULL) 
+
+    led1_thread = rt_thread_create("led1", led1_thread_entry, RT_NULL, 384, 29, 5);
+    if (led1_thread != RT_NULL) 
         rt_thread_startup(led1_thread);
     
     led2_thread = rt_thread_create("led2", led2_thread_entry, RT_NULL, 384, 30, 5);
-    if(led2_thread != RT_NULL) 
+    if (led2_thread != RT_NULL) 
         rt_thread_startup(led2_thread);
 }
 

bsp/fm3/led.h

@@ -37,5 +37,6 @@ void rt_hw_led_init(void);
 void rt_hw_led_on(rt_uint8_t num);
 void rt_hw_led_off(rt_uint8_t num);
 void rt_hw_led_toggle(rt_uint8_t num);
+void pwm_update(rt_uint16_t value);
 
 #endif