JTAG调试求助

黑knight

**JLink Warning: T-bit of XPSR is 0 but should be 1. Changed to 1.

***JLink Error: Can not read register 15 (R15) while CPU is running

***JLink Error: Can not read register 16 (XPSR) while CPU is running

***JLink Error: Can not read register 0 (R0) while CPU is running

***JLink Error: Can not read register 1 (R1) while CPU is running

***JLink Error: Can not read register 2 (R2) while CPU is running

***JLink Error: Can not read register 3 (R3) while CPU is running

***JLink Error: Can not read register 4 (R4) while CPU is running

***JLink Error: Can not read register 5 (R5) while CPU is running

***JLink Error: Can not read register 6 (R6) while CPU is running

***JLink Error: Can not read register 7 (R7) while CPU is running

***JLink Error: Can not read register 8 (R8) while CPU is running

***JLink Error: Can not read register 9 (R9) while CPU is running

***JLink Error: Can not read register 10 (R10) while CPU is running

***JLink Error: Can not read register 11 (R11) while CPU is running

***JLink Error: Can not read register 12 (R12) while CPU is running

***JLink Error: Can not read register 13 (R13) while CPU is running

***JLink Error: Can not read register 14 (R14) while CPU is running

***JLink Error: Can not read register 15 (R15) while CPU is running

***JLink Error: Can not read register 16 (XPSR) while CPU is running

***JLink Error: Can not read register 17 (MSP) while CPU is running

***JLink Error: Can not read register 18 (PSP) while CPU is running

***JLink Error: Can not read register 20 (CFBP) while CPU is running




使用J-link调试外部SRAM的时候出现这样的j-link错误，再单步运行是就会跳出这样的错误：

could not stop Cortex_M device! 请问是怎么回事

正点原子

换个简单的工程仿真，看看成功不。