Module serial_cmd 

HIL serial-cmd transport — exposes a Read endpoint for the alternator-regulator::serial_cmd parser.

• fire27 (ESP32): UART0 RX (GPIO3), already routed through the on-board USB-serial bridge used by espflash. TX side is left to esp-println.
• cores3 (ESP32-S3): native USB-Serial-JTAG CDC. Independent USB endpoint from probe-rs JTAG/RTT.

Structs

SerialCmdResources

Functions

take_rx

Type Aliases

SerialRx

Blocking UartRx — caller drives reads via polling + Timer.