During the mbedtls handshake, the handshake fails after client state 8, so after the write key exchange
with the following error.
I have tried to search for the meaning of ERROR: 572,operation not allowed
but I just can't find what the error message means...why is the operation not allowed???
ERROR: net_sock_send_tcp_c2c L#308 C2C_SendData(): send ERROR: 572,operation not allowed
/Core/Src/MbedTLS/ssl_tls.c:2840: 0040: 10 5a 88 5f 0c cc 54 3c 5a cd d4 .Z._..T<Z..
../Core/Src/MbedTLS/ssl_tls.c:2416: => flush output
../Core/Src/MbedTLS/ssl_tls.c:2434: message length: 75, out_left: 75
AT Request: AT+QISEND=0,75
AT Response:
+QIURC: "closed",0
>
UG96_SendData() FAIL sending: length: 75, ret error: 64
DEBUG: net_sock_send_tcp_c2c L#298 Sent 0/75.
AT Request: AT+QIGETERROR
AT Response:
+QIGETERROR: 572,operation not allowed
OK
ERROR: net_sock_send_tcp_c2c L#308 C2C_SendData(): send ERROR: 572,operation not allowed
