fix: 将MCU型号从STM32F103RCT6修正为STM32F103R8T6

- 修改ioc文件中的芯片型号配置
- 调整HeapSize从10KB减至4KB以适应20KB RAM限制
- 更新项目技术实现文档中的MCU规格和内存配置
- 更新MDK-ARM工程文件的芯片定义(STM32F103xB)
- 添加新的启动文件startup_stm32f103xb.s

MDK-ARM/TCP2UART.uvprojx

@@ -81,7 +81,7 @@
           </BeforeMake>
           <AfterMake>
             <RunUserProg1>0</RunUserProg1>
-            <RunUserProg2>0</RunUserProg2>
+            <RunUserProg2>1</RunUserProg2>
             <UserProg1Name></UserProg1Name>
             <UserProg2Name></UserProg2Name>
             <UserProg1Dos16Mode>0</UserProg1Dos16Mode>
@@ -110,7 +110,7 @@
         </CommonProperty>
         <DllOption>
           <SimDllName>SARMCM3.DLL</SimDllName>
-          <SimDllArguments> -REMAP</SimDllArguments>
+          <SimDllArguments>-REMAP</SimDllArguments>
           <SimDlgDll>DCM.DLL</SimDlgDll>
           <SimDlgDllArguments>-pCM3</SimDlgDllArguments>
           <TargetDllName>SARMCM3.DLL</TargetDllName>
@@ -338,7 +338,7 @@
             <v6Rtti>0</v6Rtti>
             <VariousControls>
               <MiscControls></MiscControls>
-              <Define>USE_HAL_DRIVER,STM32F103xE</Define>
+              <Define>USE_HAL_DRIVER,STM32F103xB</Define>
               <Undefine></Undefine>
               <IncludePath>../Core/Inc;../Drivers/STM32F1xx_HAL_Driver/Inc;../Drivers/STM32F1xx_HAL_Driver/Inc/Legacy;../Drivers/CMSIS/Device/ST/STM32F1xx/Include;../Drivers/CMSIS/Include;../Middlewares/Third_Party/FreeRTOS/Source/include;../Middlewares/Third_Party/FreeRTOS/Source/CMSIS_RTOS_V2;../Middlewares/Third_Party/FreeRTOS/Source/portable/RVDS/ARM_CM3</IncludePath>
             </VariousControls>