版主，FL2440 串口3不能通讯，请给予支持！急急急

飞凌-alexlee

楼上，你都做了哪些修改？

飞凌-alexlee

1、        修改注册表WINCE500\PLATFORM\SMDK2440A\Files\platform.reg
;=============== UART1 (physical COM2 connector P1) (Serial) ===============
[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial1]
   "DeviceArrayIndex"=dword:1
   "Irq"=dword:17
   "MemBase"=dword:50004000
   "MemLen"=dword:2C
   "InterruptBitsShift"=dword:3 ; UART 1 Interrupt Sub Register shift bit.
   "ISTTimeouts"=dword:200        ; every 512 ticks checking Modem status.
   "Prefix"="COM"
   "Index"=dword:2
   "Dll"="serial_smdk2440.dll"
   "Order"=dword:0
   "Priority"=dword:0
   "Port"="COM2:"
   "DeviceType"=dword:0
   "FriendlyName"=LOC_DISPLAYNAME_COM1
   "Tsp"="unimodem.dll"
   "IClass"="{CC5195AC-BA49-48a0-BE17-DF6D1B0173DD}"
   "DevConfig"=hex: 10,00, 00,00, 05,00,00,00, 10,01,00,00, 00,4B,00,00, 00,00, 08, 00, 00, 00,00,00,00

;=============== UART2 (physical COM3 connector P1) (Serial) ===============
[HKEY_LOCAL_MACHINE\Drivers\BuiltIn\Serial2]
   "DeviceArrayIndex"=dword:2
   "Irq"=dword:f
   "MemBase"=dword:50008000
   "MemLen"=dword:2C
   "InterruptBitsShift"=dword:6 ; UART 1 Interrupt Sub Register shift bit.
   "ISTTimeouts"=dword:200        ; every 512 ticks checking Modem status.
   "Prefix"="COM"
   "Index"=dword:3
   "Dll"="serial_smdk2440.dll"
   "Order"=dword:0
   "Priority"=dword:0
   "Port"="COM3:"
   "DeviceType"=dword:0
   "FriendlyName"=LOC_DISPLAYNAME_COM1
   "Tsp"="unimodem.dll"
   "IClass"="{CC5195AC-BA49-48a0-BE17-DF6D1B0173DD}"
   "DevConfig"=hex: 10,00, 00,00, 05,00,00,00, 10,01,00,00, 00,4B,00,00, 00,00, 08, 00, 00, 00,00,00,00

将COM4，第3个串口的红外部分删除～
2、        修改COM3的驱动部分：WINCE500\PLATFORM\SMDK2440A\Src\Drivers\Serial\ser_smdk2440.cpp

重新编译即可

飞凌-alexlee

注册表中Serial1，你还改回到原来的状态～