Sorry for my bad English on the Chinese forum, but I can't find an English version. Hope that google translate will help us understand each other.
Problem: after switching to transparent mode, it is not possible to exit by sending “+++\r\n” or something similar, for example “\r\n+++\r\n”, “+++”, “+++++" etc. It just sends "+++" through WiFi or BLE. I want to use both of them. When using only WiFi, this problem solving by using AT+SOCKETSENDLINE. Not so convenient, but at least it works. With BLE, the transparent mode is activated immediately upon connection and, as a result, the module becomes unavailable. I haven't found a command similar to AT+SOCKETAUTOTT for BLE, which would sovle this problem. I use UTF-8 and the rest of the commands work fine. Among the AT commands for the BL602 I did not find such functionality at all. I hope this bug can be fixed without updating the firmware, because updating each module before unsoldering is very inconvenient.
When turn module on I get this :
arch:BL602,NULL
company:Ai-Thinker|B&T
ble_mac:7cb94c287140
wifi_mac:7cb94c28713f
sdk_version:release/release_bl_iot_sdk_1.6.36
firmware_version:V4.18_P1.4.4-e15d67b
compile_time:Nov 25 2022 11:22:39
ready
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