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本帖最后由 zhjb1 于 2018-1-3 11:39 编辑 对我来说，问题从来没有见过，所以一一描述出来，以便高人解答，先谢谢了！ 本例采用STM32CubeMX创建开发工程，设置了1路SYS_Tick，2路ADC，2路基于TIM1的PWM，1路I2C1，1路LPUART1，打开了板子上原有的3个LED对应的PC7、PB7、PB14和另外PD7~PD3个GPIO OUT，1个PEDGPIO IN，见截图60。设置时钟，见截图61。配置，见截图62。项目配置选设，见截图63。代码生成选设，见截图64。先生成的是IAR项目，打开IAR编译正常[除了8个警告-以前的实验都无问题！]下载出现第一个对话框，见截图65——执行擦除块解锁，因为写不进去，所以单击Ok 。接着出现截图66——Flash加载错。接着出现截图67——致命错误编译终止。这个问题从昨晚开始发生。 本例还采用输出到Keil工程进行测试，编译没有警告也没有错！下载报错对话框见截图68——下载错-Cortex-M4，有点莫名其妙；但列表中的错误让脊梁直冒冷汗，太多了也得打印出来，可以看几行直接到最后： Load "D:\\examples\\example\\stmMcu\\stm32l4r5xx\\l4r5Keil\\MDK-ARM\\l4r5Keil\\buidling\\l4r5Keil.axf" Erase Done. Programming Done. Contents mismatch at: 08000000H (Flash=00H Required=E8H) ! Contents mismatch at: 08000001H (Flash=00H Required=07H) ! Contents mismatch at: 08000003H (Flash=00H Required=20H) ! Contents mismatch at: 08000004H (Flash=00H Required=5DH) ! Contents mismatch at: 08000005H (Flash=00H Required=02H) ! Contents mismatch at: 08000007H (Flash=00H Required=08H) ! Contents mismatch at: 08000008H (Flash=00H Required=65H) ! Contents mismatch at: 08000009H (Flash=00H Required=02H) ! Contents mismatch at: 0800000BH (Flash=00H Required=08H) ! Contents mismatch at: 0800000CH (Flash=00H Required=67H) ! Contents mismatch at: 0800000DH (Flash=00H Required=02H) ! Contents mismatch at: 0800000FH (Flash=00H Required=08H) ! Contents mismatch at: 08000010H (Flash=00H Required=69H) ! Contents mismatch at: 08000011H (Flash=00H Required=02H) ! Contents mismatch at: 08000013H (Flash=00H Required=08H) ! Contents mismatch at: 08000014H (Flash=00H Required=6BH) ! Contents mismatch at: 08000015H (Flash=00H Required=02H) ! Contents mismatch at: 08000017H (Flash=00H Required=08H) ! Contents mismatch at: 08000018H (Flash=00H Required=6DH) ! Contents mismatch at: 08000019H (Flash=00H Required=02H) ! Contents mismatch at: 0800001BH (Flash=00H Required=08H) ! Contents mismatch at: 0800002CH (Flash=00H Required=6FH) ! Contents mismatch at: 0800002DH (Flash=00H Required=02H) ! Contents mismatch at: 0800002FH (Flash=00H Required=08H) ! Contents mismatch at: 08000030H (Flash=00H Required=71H) ! Contents mismatch at: 08000031H (Flash=00H Required=02H) ! Contents mismatch at: 08000033H (Flash=00H Required=08H) ! Contents mismatch at: 08000038H (Flash=00H Required=73H) ! Contents mismatch at: 08000039H (Flash=00H Required=02H) ! Contents mismatch at: 0800003BH (Flash=00H Required=08H) ! Contents mismatch at: 0800003CH (Flash=00H Required=75H) ! Contents mismatch at: 0800003DH (Flash=00H Required=02H) ! Contents mismatch at: 0800003FH (Flash=00H Required=08H) ! Contents mismatch at: 08000040H (Flash=00H Required=77H) ! Contents mismatch at: 08000041H (Flash=00H Required=02H) ! Contents mismatch at: 08000043H (Flash=00H Required=08H) ! Contents mismatch at: 08000044H (Flash=00H Required=77H) ! Contents mismatch at: 08000045H (Flash=00H Required=02H) ! Contents mismatch at: 08000047H (Flash=00H Required=08H) ! Contents mismatch at: 08000048H (Flash=00H Required=77H) ! Contents mismatch at: 08000049H (Flash=00H Required=02H) ! Contents mismatch at: 0800004BH (Flash=00H Required=08H) ! Contents mismatch at: 0800004CH (Flash=00H Required=77H) ! Contents mismatch at: 0800004DH (Flash=00H Required=02H) ! Contents mismatch at: 0800004FH (Flash=00H Required=08H) ! Contents mismatch at: 08000050H (Flash=00H Required=77H) ! Contents mismatch at: 08000051H (Flash=00H Required=02H) ! Contents mismatch at: 08000053H (Flash=00H Required=08H) ! Contents mismatch at: 08000054H (Flash=00H Required=77H) ! Contents mismatch at: 08000055H (Flash=00H Required=02H) ! Contents mismatch at: 08000057H (Flash=00H Required=08H) ! Contents mismatch at: 08000058H (Flash=00H Required=77H) ! Contents mismatch at: 08000059H (Flash=00H Required=02H) ! Contents mismatch at: 0800005BH (Flash=00H Required=08H) ! Contents mismatch at: 0800005CH (Flash=00H Required=77H) ! Contents mismatch at: 0800005DH (Flash=00H Required=02H) ! Contents mismatch at: 0800005FH (Flash=00H Required=08H) ! Contents mismatch at: 08000060H (Flash=00H Required=77H) ! Contents mismatch at: 08000061H (Flash=00H Required=02H) ! Contents mismatch at: 08000063H (Flash=00H Required=08H) ! Contents mismatch at: 08000064H (Flash=00H Required=77H) ! Contents mismatch at: 08000065H (Flash=00H Required=02H) ! Contents mismatch at: 08000067H (Flash=00H Required=08H) ! Contents mismatch at: 08000068H (Flash=00H Required=77H) ! Contents mismatch at: 08000069H (Flash=00H Required=02H) ! Contents mismatch at: 0800006BH (Flash=00H Required=08H) ! Contents mismatch at: 0800006CH (Flash=00H Required=77H) ! Contents mismatch at: 0800006DH (Flash=00H Required=02H) ! Contents mismatch at: 0800006FH (Flash=00H Required=08H) ! Contents mismatch at: 08000070H (Flash=00H Required=77H) ! Contents mismatch at: 08000071H (Flash=00H Required=02H) ! Contents mismatch at: 08000073H (Flash=00H Required=08H) ! Contents mismatch at: 08000074H (Flash=00H Required=77H) ! Contents mismatch at: 08000075H (Flash=00H Required=02H) ! Contents mismatch at: 08000077H (Flash=00H Required=08H) ! Contents mismatch at: 08000078H (Flash=00H Required=77H) ! Contents mismatch at: 08000079H (Flash=00H Required=02H) ! Contents mismatch at: 0800007BH (Flash=00H Required=08H) ! Contents mismatch at: 0800007CH (Flash=00H Required=77H) ! Contents mismatch at: 0800007DH (Flash=00H Required=02H) ! Contents mismatch at: 0800007FH (Flash=00H Required=08H) ! Contents mismatch at: 08000080H (Flash=00H Required=77H) ! Contents mismatch at: 08000081H (Flash=00H Required=02H) ! Contents mismatch at: 08000083H (Flash=00H Required=08H) ! Contents mismatch at: 08000084H (Flash=00H Required=77H) ! Contents mismatch at: 08000085H (Flash=00H Required=02H) ! Contents mismatch at: 08000087H (Flash=00H Required=08H) ! Contents mismatch at: 08000088H (Flash=00H Required=77H) ! Contents mismatch at: 08000089H (Flash=00H Required=02H) ! Contents mismatch at: 0800008BH (Flash=00H Required=08H) ! Contents mismatch at: 0800008CH (Flash=00H Required=77H) ! Contents mismatch at: 0800008DH (Flash=00H Required=02H) ! Contents mismatch at: 0800008FH (Flash=00H Required=08H) ! Contents mismatch at: 08000090H (Flash=00H Required=77H) ! Contents mismatch at: 08000091H (Flash=00H Required=02H) ! Contents mismatch at: 08000093H (Flash=00H Required=08H) ! Contents mismatch at: 08000094H (Flash=00H Required=77H) ! Contents mismatch at: 08000095H (Flash=00H Required=02H) ! Contents mismatch at: 08000097H (Flash=00H Required=08H) ! Contents mismatch at: 08000098H (Flash=00H Required=77H) ! Too many errors to display ! Error: Flash Download failed - "Cortex-M4" Flash Load finished at 11:02:37 Flash失配？什么意思不明白，感觉是Flash整个不能写了。 采取的措施：按照我知道的两种恢复Flash的方法，丢进.bin 或 .hex程序——，丢进去没有任何问题，但无效；第二个方法，下载前按Reset键，也不成功，总是弹出截图66，也不成功。是否Flash坏了，还是仅仅是锁死了。实话实说，没辙了只能来问。写的很多是因为多我来说从没见过——Freescale的遇多了，自然解决起来得心应手。 能看到这的已是老师级别的坛主了，先谢谢 |
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不可以设置成低点的吗？这种设置也是点击了自动设置后通过的。我可以试试120MHz的系统Clock试试。但现在的问题是无法写入开发板了。只能用手头有的STM板子做实验了，谢谢
尝试了120Mhz，出现红色的警告，自动设置后还是恢复成16MHz——比8MHz高了1倍。
我怎么没有出现警告？
这次设置成功了，我试试看能否下载。谢谢谢谢！
长出差，刚回来，我试试，谢谢