新版的FreeRTOS操作系统源代码4.0.0版，包含ATmel，LPC，MSP430移植的例子和TCPIP协议栈uip和Lwip。个人觉得比ucos好.文件列表: FreeRTOS ........\Demo ........\....\ARM7_AT91FR40008_GCC ........\....\....................\aic.h ........\....\....................\AT91R40008.h ........\....\....................\ATEB40x.cfg ........\....\....................\atmel-ram.ld ........\....\....................\atmel-rom.ld ........\....\....................\boot.s ........\....\....................\ebi.h ........\....\....................\FreeRTOSConfig.h ........\....\....................\main.c ........\....\....................\Makefile ........\....\....................\ParTest ........\....\....................\.......\ParTest.c ........\....\....................\pio.h ........\....\....................\serial ........\....\....................\......\serial.c ........\....\....................\......\serialISR.c ........\....\....................\tc.h ........\....\....................\usart.h ........\....\ARM7_AT91SAM7S64_IAR ........\....\....................\FreeRTOSConfig.h ........\....\....................\main.c ........\....\....................\ParTest ........\....\....................\.......\ParTest.c ........\....\....................\resource ........\....\....................\........\at91SAM7S64_16KRAM.xcl ........\....\....................\........\at91SAM7S64_NoRemap.xcl ........\....\....................\........\SAM7.mac ........\....\....................\........\SAM7_RAM.mac ........\....\....................\rtosdemo.ewd ........\....\....................\rtosdemo.ewp ........\....\....................\serial ........\....\....................\......\serial.c ........\....\....................\......\serialISR.s79 ........\....\....................\settings ........\....\....................\........\Basic.dbgdt ........\....\....................\........\Basic.dni ........\....\....................\........\BasicSAM7.wsdt ........\....\....................\........\rtosdemo.dbgdt ........\....\....................\........\rtosdemo.dni ........\....\....................\........\rtosdemo.wsdt ........\....\....................\SrcIAR ........\....\....................\......\Board.h ........\....\....................\......\Cstartup.s79 ........\....\....................\......\Cstartup_SAM7.c ........\....\....................\USB ........\....\....................\...\USBSample.c ........\....\....................\...\USB_ISR.s79 ........\....\ARM7_LPC2106_GCC ........\....\................\boot.s ........\....\................\FreeRTOSConfig.h ........\....\................\lpc2106-ram.ld ........\....\................\lpc2106-rom.ld ........\....\................\lpc210x.h ........\....\................\main.c ........\....\................\Makefile ........\....\................\ParTest ........\....\................\.......\ParTest.c ........\....\................\readme.txt ........\....\................\serial ........\....\................\......\serial.c ........\....\................\......\serialISR.c ........\....\ARM7_LPC2129_IAR ........\....\................\FreeRTOSConfig.h ........\....\................\main.c ........\....\................\ParTest ... ...……