From b862d16f3fc1baa5a6530012953caf13d6571509 Mon Sep 17 00:00:00 2001
From: wuyangyong <wuyangyong@gmail.com>
Date: Thu, 31 May 2012 18:19:25 +0000
Subject: [PATCH] optimize for size.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@2144 bbd45198-f89e-11dd-88c7-29a3b14d5316
---
 .../ST/STM32F0xx/Source/Templates/arm/startup_stm32f0xx.s | 4 ++--
 bsp/stm32f0x/applications/application.c                   | 2 +-
 bsp/stm32f0x/applications/startup.c                       | 2 ++
 bsp/stm32f0x/project.uvproj                               | 8 ++++----
 bsp/stm32f0x/rtconfig.h                                   | 6 ++----
 bsp/stm32f0x/template.uvproj                              | 8 ++++----
 6 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/bsp/stm32f0x/Libraries/CMSIS/ST/STM32F0xx/Source/Templates/arm/startup_stm32f0xx.s b/bsp/stm32f0x/Libraries/CMSIS/ST/STM32F0xx/Source/Templates/arm/startup_stm32f0xx.s
index ac95092e7..ae507e086 100644
--- a/bsp/stm32f0x/Libraries/CMSIS/ST/STM32F0xx/Source/Templates/arm/startup_stm32f0xx.s
+++ b/bsp/stm32f0x/Libraries/CMSIS/ST/STM32F0xx/Source/Templates/arm/startup_stm32f0xx.s
@@ -36,7 +36,7 @@
 ;   <o> Stack Size (in Bytes) <0x0-0xFFFFFFFF:8>
 ; </h>
 
-Stack_Size      EQU     0x00000400
+Stack_Size      EQU     0x00000180
 
                 AREA    STACK, NOINIT, READWRITE, ALIGN=3
 Stack_Mem       SPACE   Stack_Size
@@ -47,7 +47,7 @@ __initial_sp
 ;   <o>  Heap Size (in Bytes) <0x0-0xFFFFFFFF:8>
 ; </h>
 
-Heap_Size       EQU     0x00000200
+Heap_Size       EQU     0x00000000
 
                 AREA    HEAP, NOINIT, READWRITE, ALIGN=3
 __heap_base
diff --git a/bsp/stm32f0x/applications/application.c b/bsp/stm32f0x/applications/application.c
index 80cbffcb1..2a64276d2 100644
--- a/bsp/stm32f0x/applications/application.c
+++ b/bsp/stm32f0x/applications/application.c
@@ -46,7 +46,7 @@ static void rt_hw_led_init(void)
 }
 
 ALIGN(RT_ALIGN_SIZE)
-static char led_stack[1024];
+static char led_stack[384];
 static struct rt_thread led_thread;
 
 static void led_thread_entry(void* parameter)
diff --git a/bsp/stm32f0x/applications/startup.c b/bsp/stm32f0x/applications/startup.c
index d5b7fe2ea..81acb4013 100644
--- a/bsp/stm32f0x/applications/startup.c
+++ b/bsp/stm32f0x/applications/startup.c
@@ -86,8 +86,10 @@ void rtthread_startup(void)
 	/* init scheduler system */
 	rt_system_scheduler_init();
 
+#ifdef RT_USING_DEVICE
 	/* init all device */
 	rt_device_init_all();
+#endif
 
 	/* init application */
 	rt_application_init();
diff --git a/bsp/stm32f0x/project.uvproj b/bsp/stm32f0x/project.uvproj
index 3869fcfae..152e59793 100644
--- a/bsp/stm32f0x/project.uvproj
+++ b/bsp/stm32f0x/project.uvproj
@@ -210,13 +210,13 @@
             <hadIRAM2>0</hadIRAM2>
             <hadIROM2>0</hadIROM2>
             <StupSel>8</StupSel>
-            <useUlib>0</useUlib>
+            <useUlib>1</useUlib>
             <EndSel>0</EndSel>
             <uLtcg>0</uLtcg>
             <RoSelD>3</RoSelD>
             <RwSelD>3</RwSelD>
             <CodeSel>0</CodeSel>
-            <OptFeed>0</OptFeed>
+            <OptFeed>1</OptFeed>
             <NoZi1>0</NoZi1>
             <NoZi2>0</NoZi2>
             <NoZi3>0</NoZi3>
@@ -333,10 +333,10 @@
           </ArmAdsMisc>
           <Cads>
             <interw>1</interw>
-            <Optim>1</Optim>
+            <Optim>4</Optim>
             <oTime>0</oTime>
             <SplitLS>0</SplitLS>
-            <OneElfS>0</OneElfS>
+            <OneElfS>1</OneElfS>
             <Strict>0</Strict>
             <EnumInt>0</EnumInt>
             <PlainCh>0</PlainCh>
diff --git a/bsp/stm32f0x/rtconfig.h b/bsp/stm32f0x/rtconfig.h
index 925092c66..5739beea1 100644
--- a/bsp/stm32f0x/rtconfig.h
+++ b/bsp/stm32f0x/rtconfig.h
@@ -16,14 +16,12 @@
 
 /* SECTION: RT_DEBUG */
 /* Thread Debug */
- #define RT_DEBUG
+/* #define RT_DEBUG */
 /* #define RT_USING_OVERFLOW_CHECK */
 
 /* Using Hook */
 /* #define RT_USING_HOOK */
 
-#define IDLE_THREAD_STACK_SIZE     512
-
 /* Using Software Timer */
 /* #define RT_USING_TIMER_SOFT */
 #define RT_TIMER_THREAD_PRIO		4
@@ -59,7 +57,7 @@
 
 /* SECTION: Device System */
 /* Using Device System */
-#define RT_USING_DEVICE
+/* #define RT_USING_DEVICE */
 
 /* SECTION: Console options */
 //#define RT_USING_CONSOLE
diff --git a/bsp/stm32f0x/template.uvproj b/bsp/stm32f0x/template.uvproj
index ceb1882e2..a77283255 100644
--- a/bsp/stm32f0x/template.uvproj
+++ b/bsp/stm32f0x/template.uvproj
@@ -210,13 +210,13 @@
             <hadIRAM2>0</hadIRAM2>
             <hadIROM2>0</hadIROM2>
             <StupSel>8</StupSel>
-            <useUlib>0</useUlib>
+            <useUlib>1</useUlib>
             <EndSel>0</EndSel>
             <uLtcg>0</uLtcg>
             <RoSelD>3</RoSelD>
             <RwSelD>3</RwSelD>
             <CodeSel>0</CodeSel>
-            <OptFeed>0</OptFeed>
+            <OptFeed>1</OptFeed>
             <NoZi1>0</NoZi1>
             <NoZi2>0</NoZi2>
             <NoZi3>0</NoZi3>
@@ -333,10 +333,10 @@
           </ArmAdsMisc>
           <Cads>
             <interw>1</interw>
-            <Optim>1</Optim>
+            <Optim>4</Optim>
             <oTime>0</oTime>
             <SplitLS>0</SplitLS>
-            <OneElfS>0</OneElfS>
+            <OneElfS>1</OneElfS>
             <Strict>0</Strict>
             <EnumInt>0</EnumInt>
             <PlainCh>0</PlainCh>