由于不明原因Flash字库的头索引乱了，导致一直无法定位，重新计算了位置。

给show str函数加入长度限制。

Signed-off-by: kevin <kevin@lmve.net>

103ze/Debug/makefile

@@ -66,8 +66,8 @@ all: main-build
 main-build: 103ze_code.elf secondary-outputs
 
 # Tool invocations
-103ze_code.elf: $(OBJS) $(USER_OBJS) C:\Users\13370\Desktop\smartbooks\103ze\STM32F103ZETX_FLASH.ld makefile objects.list $(OPTIONAL_TOOL_DEPS)
-	arm-none-eabi-gcc -o "103ze_code.elf" @"objects.list" $(USER_OBJS) $(LIBS) -mcpu=cortex-m3 -T"C:\Users\13370\Desktop\smartbooks\103ze\STM32F103ZETX_FLASH.ld" --specs=nosys.specs -Wl,-Map="103ze_code.map" -Wl,--gc-sections -static --specs=nano.specs -mfloat-abi=soft -mthumb -Wl,--start-group -lc -lm -Wl,--end-group
+103ze_code.elf: $(OBJS) $(USER_OBJS) C:\Users\kevin\Desktop\smartbooks\103ze\STM32F103ZETX_FLASH.ld makefile objects.list $(OPTIONAL_TOOL_DEPS)
+	arm-none-eabi-gcc -o "103ze_code.elf" @"objects.list" $(USER_OBJS) $(LIBS) -mcpu=cortex-m3 -T"C:\Users\kevin\Desktop\smartbooks\103ze\STM32F103ZETX_FLASH.ld" --specs=nosys.specs -Wl,-Map="103ze_code.map" -Wl,--gc-sections -static --specs=nano.specs -mfloat-abi=soft -mthumb -Wl,--start-group -lc -lm -Wl,--end-group
 	@echo 'Finished building target: $@'
 	@echo ' '
 

103ze/Debug/mycode/c.su

@@ -1 +1 @@
-c.c:14:5:my_main	656	static
+c.c:14:5:my_main	672	static

103ze/Debug/mycode/text.su

@@ -1,5 +1,5 @@
 text.c:217:9:font_init	16	static
-text.c:240:6:Get_HzMat	32	static
-text.c:276:6:Show_Font	104	static
-text.c:308:6:LCD_ShowChar	32	static
-text.c:346:6:LCD_ShowString	40	static
+text.c:241:6:Get_HzMat	32	static
+text.c:277:6:Show_Font	104	static
+text.c:309:6:LCD_ShowChar	32	static
+text.c:347:6:LCD_ShowString	40	static