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

TCP2UART.ioc

@@ -68,7 +68,7 @@ FREERTOS.Tasks01=defaultTask,24,128,StartDefaultTask,Default,NULL,Dynamic,NULL,N
 File.Version=6
 GPIO.groupedBy=Group By Peripherals
 KeepUserPlacement=false
-Mcu.CPN=STM32F103RCT6
+Mcu.CPN=STM32F103R8T6
 Mcu.Family=STM32F1
 Mcu.IP0=DMA
 Mcu.IP1=FREERTOS
@@ -81,7 +81,7 @@ Mcu.IP7=USART1
 Mcu.IP8=USART2
 Mcu.IP9=USART3
 Mcu.IPNb=10
-Mcu.Name=STM32F103R(C-D-E)Tx
+Mcu.Name=STM32F103R(8-B)Tx
 Mcu.Package=LQFP64
 Mcu.Pin0=PC13-TAMPER-RTC
 Mcu.Pin1=PD0-OSC_IN
@@ -106,7 +106,7 @@ Mcu.Pin9=PB0
 Mcu.PinsNb=20
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
-Mcu.UserName=STM32F103RCTx
+Mcu.UserName=STM32F103R8Tx
 MxCube.Version=6.16.1
 MxDb.Version=DB.6.0.161
 NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:false
@@ -165,8 +165,8 @@ PC13-TAMPER-RTC.Locked=true
 PC13-TAMPER-RTC.Signal=GPIO_Output
 PCC.Checker=false
 PCC.Line=STM32F103
-PCC.MCU=STM32F103R(C-D-E)Tx
-PCC.PartNumber=STM32F103RCTx
+PCC.MCU=STM32F103R(8-B)Tx
+PCC.PartNumber=STM32F103R8Tx
 PCC.Series=STM32F1
 PCC.Temperature=25
 PCC.Vdd=3.3
@@ -184,12 +184,12 @@ ProjectManager.CoupleFile=true
 ProjectManager.CustomerFirmwarePackage=
 ProjectManager.DefaultFWLocation=true
 ProjectManager.DeletePrevious=true
-ProjectManager.DeviceId=STM32F103RCTx
+ProjectManager.DeviceId=STM32F103R8Tx
 ProjectManager.FirmwarePackage=STM32Cube FW_F1 V1.8.7
 ProjectManager.FreePins=false
 ProjectManager.FreePinsContext=
 ProjectManager.HalAssertFull=false
-ProjectManager.HeapSize=0x2800
+ProjectManager.HeapSize=0x1000
 ProjectManager.KeepUserCode=true
 ProjectManager.LastFirmware=true
 ProjectManager.LibraryCopy=0