Networking & wireless

PAL glue for network + USB stacks, the cellular modem, and the ESP32-C6 companion radio (libs/ra8_net_pal, ra8_usb_pal, ra8_modem_at, ra8_c6link). More...

Files
file	ra8_c6link.h
	The single integration boundary between this firmware and the ESP32-C6.
file	ra8_c6link_transport.h
	The one seam between ra8_c6link and the wire that reaches the C6.
file	ra8_c6link_wifi.h
	Wi-Fi station bring-up and association over the C6 link.
file	ra8_c6link.c
	Link lifecycle, frame routing and the identity round-trip.
file	ra8_c6link_arena.c
	The fixed decode arena that lets a protobuf codec run with no heap.
file	ra8_c6link_frame.c
	The twelve-byte esp-hosted payload header: build it, believe it or not.
file	ra8_c6link_internal.h
	Cross-translation-unit contract inside libs/ra8_c6link.
file	ra8_c6link_pump.c
	The transaction loop: handshake, clock, classify, route.
file	ra8_c6link_rpc.c
	The control plane: one protobuf message type, correlated by UID.
file	ra8_c6link_tlv.c
	The two-tag envelope the co-processor's serial endpoint speaks.
file	ra8_c6link_wifi.c
	Radio lifecycle: initialise, choose station mode, start, tear down.
file	ra8_c6link_wifi_sta.c
	Station credentials, association, and what the radio reports back.
file	ra8_modem_at.h
	Cellular modem AT command/response driver layered on UART.
file	ra8_modem_at_internal.h
	Test-access surface for ra8_modem_at internal helpers (MC/DC).
file	ra8_net_pal.h
	Network Platform Abstraction Layer for the RA8D2 ESWM block.
file	ra8_usb_pal.h
	USB device-mode Platform Abstraction Layer.
file	ra8_usb_pal_internal.h
	Test-access surface for ra8_usb_pal internal helpers (MC/DC).
file	ra8_wifi.h
	A small, uniform Wi-Fi facade: init, connect, get an IP, disconnect.
file	ra8_wifi_backend.h
	The radio-operation seam ra8_wifi dispatches through.
file	ra8_wifi_c6link.h
	The ESP32-C6 backend for the ra8_wifi facade, over ra8_c6link.
file	ra8_wifi.c
	The Wi-Fi facade state machine, dispatched over a backend vtable.
file	ra8_wifi_c6link.c
	The ESP32-C6 backend: each ra8_wifi operation onto ra8_c6link.
file	wifi_hal_join.h
	Constants, console formatters and the DHCP provider for the HAL join.

Detailed Description

PAL glue for network + USB stacks, the cellular modem, and the ESP32-C6 companion radio (libs/ra8_net_pal, ra8_usb_pal, ra8_modem_at, ra8_c6link).

The BLE host is NimBLE, consumed directly via port/nimble over the ra8_ble HCI seam.