CRSF_FRAMETYPE_HEARTBEAT - crsf-wg/crsf GitHub Wiki
Heartbeat (0x0B)
CRSFv3
- uint16_t Origin Device Address (Big Endian)
- e.g. Flight Controller is online sends
CRSF_ADDRESS_FLIGHT_CONTROLLER
0xC8 / 200
- e.g. Flight Controller is online sends
Heartbeat message must always be sent even if telemetry is disabled, which allows the other side of the connection to detect baud rate mismatches.
TODO: Recommended interval? Proposed: Something should be transmitted at least every 1s? Transmit every 500ms if UART is idle?