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esp_modem: Allow USB DTE reconnection

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esp_modem_usb_dte component is fetched from IDF component registry.
This commit is contained in:
Tomas Rezucha
2022-07-13 11:10:15 +02:00
parent a89a0ab7a3
commit bf84ae940a
13 changed files with 59 additions and 422 deletions
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6
components/esp_modem/examples/modem_console/README.md
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@ -20,7 +20,11 @@ For USB enabled targets (ESP32-S2 and ESP32-S3), it is possible to connect to th
1. In menuconfig, navigate to `Example Configuration->Type of serial connection to the modem` and choose `USB`.
2. Connect the modem USB signals to pin 19 (DATA-) and 20 (DATA+) on your ESP chip.
USB example uses Quactel BG96 modem device.
USB example uses Quactel BG96 modem device. BG96 needs a positive pulse on its PWK pin to boot-up.
This example supports USB modem hot-plugging and reconnection. There is one limitation coming from esp_console component:
When esp_console REPL is being destroyed (after USB mode disconnection or after `exit` command), it will block on UART read.
You must send a character to it (via idf.py monitor), so it unblocks and properly exits.
### Supported IDF versions