uC/OSII移植步骤 作者： 时间：2016-10-08 来源：网络 加入技术交流群 扫码加入和技术大咖面对面交流海量资料库查询 收藏 <a href='https://ad.eepw.com.cn/www/delivery/ck.php?n=a635e61e&cb=INSERT_RANDOM_NUMBER_HERE' target='_blank'><img src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=88&cb=INSERT_RANDOM_NUMBER_HERE&n=a635e61e' border='0' alt='' /></a> <a href='https://ad.eepw.com.cn/www/delivery/ck.php?n=a576c0a2&cb=INSERT_RANDOM_NUMBER_HERE' target='_blank'><img src='https://ad.eepw.com.cn/www/delivery/avw.php?zoneid=87&cb=INSERT_RANDOM_NUMBER_HERE&n=a576c0a2' border='0' alt='' /></a> ; Pop new task's CPSRMSRSPSR_cxsf, R4LDMFDSP!, {R0-R12,LR,PC}^; Pop new task's contextRSEG CODE:CODE:NOROOT(2)CODE32OS_CPU_FIQ_ISRSTMFDSP!, {R1-R3}; PUSH WORKING REGISTERS ONTO FIQ STACKMOVR1, SP; SaveFIQ stack pointerADDSP, SP,#12; Adjust FIQ stack pointerSUBR2, LR,#4; Adjust PC for return address to taskMRSR3, SPSR; Copy SPSR (i.e. interrupted task's CPSR) to R3MSRCPSR_c, #(NO_INT | SVC32_MODE) ; Change to SVC mode 上一页 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 下一页
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