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feat: adopt ELRS USB CRSF frame format, add skeleton modules

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Switch CRC from CCITT (0x07) to DVB-S2 (0xD5) to match ELRS.
Adopt ELRS USB frame format: [addr][length][type][payload][crc].
Update frame type constants to match current ELRS protocol values.

New skeleton modules (stub implementations with TODO comments):
  - crsf_telemetry.h/.c: telemetry decoders (GPS, battery, link..)
  - crsf_stream.h/.c: incremental streaming frame reader
  - crsf_param.h/.c: parameter protocol (read/write/set_power)

Retained old frame format as *_legacy functions for backward
compatibility with existing telemetry tool and tests.

Add cel_serial_find_elrs_port() and cel_serial_open_probe()
stubs to serial module for port auto-detection and baud probing.
This commit is contained in:
portersky
2026-06-14 20:47:56 +02:00
parent c42ec407da
commit df3d399610
16 changed files with 919 additions and 156 deletions
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tools/CMakeLists.txt
+2 -1
View File
@@ -1,4 +1,5 @@
add_executable(telemetry telemetry.c)
target_include_directories(telemetry PRIVATE "${CMAKE_SOURCE_DIR}")
target_compile_features(telemetry PRIVATE c_std_23)
target_link_libraries(telemetry PRIVATE celrs_crsf celrs_serial celrs_serial_platform celrs_logger celrs_log_write)
target_link_libraries(telemetry PRIVATE celrs_crsf celrs_serial
celrs_serial_platform celrs_logger celrs_log_write)