drv_modem_a7682e
Cellular modem driver for the SIMCOM A7682E (4G LTE Cat-1). C driver wrapping the Espressif esp_modem component.
Overview Proven
| HAL Type | Modem |
| Chip | A7682E |
| Interface | UART |
| Description | Handles AT commands, PPP data mode for IP connectivity, and SMS send/receive. One of two non-Rust (C) drivers. SIM card required. |
Implementation
| Source | components/drv_modem_a7682e/ (C) |
| Wraps | ESP-IDF esp_modem managed component |
| Tests | Hardware-tested on T-Deck Pro |
Devices
Boards that use this driver:
| Device | Status |
|---|---|
| T-Deck Pro | Proven |
Configuration
Configured via board.json: UART pins (pin_tx, pin_rx), baud rate, pin_pwrkey, pin_rst.
Known Issues
No known issues. C driver — esp_modem provides AT command handling and PPP mode.