SP(R13)
Special registers
LR(R14)
1. When a subroutine exists, the return address of the subroutine is saved
2. When an abnormal interrupt occurs, save the return address of the abnormal mode
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Check gprs attachment, it is already attached. Check and register to local network. Then set conType, GPRS0, apn to cmnet, srv and conId are also set. Then check SICI? The returned ip is 0. Please sol...
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