uC/OSII移植步驟 作者： 時間：2016-10-08 來源：網(wǎng)絡(luò) 加入技術(shù)交流群 掃碼加入和技術(shù)大咖面對面交流海量資料庫查詢 收藏 <a 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 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> ; Move task's R1-R3 from IRQ stack to SVC stackSTMFDSP!, {R4-R6}STMFDSP!, {R0}; Push task's R0onto task's stackSTMFDSP!, {R3}; Push task's CPSR (i.e. IRQ's SPSR)LDRR0,OS_IntNesting; OSIntNesting++;LDRBR1, [R0]ADDR1, R1,#1STRBR1, [R0]CMPR1, #1; if (OSIntNesting == 1) {BNEOS_CPU_IRQ_ISR_1 上一頁 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 下一頁
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