Open Dexter0007 opened 4 months ago
Hi, I'm trying to get USSD code response from modem but method sendUSSDImpl not working (always return empty string).
I'm using ESP32 WROOM32 using HW Serial2 and NEOWAY M590 REVISION 01.30c
This code not working:
String sendUSSDImpl(const String& code) { sendAT(GF("+CSCS=\"GSM\"")); waitResponse(); sendAT(GF("+CUSD=1,\""), code, GF("\",15")); int8_t state = waitResponse(10000L); String str = String(stream.available()); return "Received:" + str + ", state:" + String(state); }
Return always: Received:0, state:1
This code working good:
String sendUSSDImpl(const String& code) { sendAT(GF("+CSCS=\"GSM\"")); waitResponse(); sendAT(GF("+CUSD=1,\""), code, GF("\",15")); delay(10000); int8_t state = 0; String str = String(stream.available()); return "Received:" + str + ", state:" + String(state); }
Return always: Received:86, state:0
I can't read data by stream.readString(); if waitResponse() is before.
Hi, I'm trying to get USSD code response from modem but method sendUSSDImpl not working (always return empty string).
I'm using ESP32 WROOM32 using HW Serial2 and NEOWAY M590 REVISION 01.30c
This code not working:
Return always: Received:0, state:1
This code working good:
Return always: Received:86, state:0
I can't read data by stream.readString(); if waitResponse() is before.