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WoodDrone/dev/crsf.hpp
Dana Markova 0de214c9a1 first commit
2025-07-28 13:21:36 +03:00

31 lines
745 B
C++

#pragma once
#include <cstdint>
static constexpr uint16_t
JOY_MIN = 172,
JOY_MID =992,
JOY_MAX= 1811;
static constexpr float JOY_VAL = (JOY_MAX - JOY_MIN) / 1e3;
#define CRSF_FRAME_SIZE_MAX 30 // the actual maximum length is 64, but we're only interested in RC channels and want to minimize buffer size
#define CRSF_PAYLOAD_SIZE_MAX (CRSF_FRAME_SIZE_MAX-4)
#define CRSF_BAUDRATE 420000
struct CRSF_Data // FlySky
{
uint16_t X, Y, Z, W;
uint16_t SWA, SWB, SWC, SWD;
uint16_t VRA, VRB;
uint16_t OTHER[8];
bool FrameLost;
bool FailSafe;
};
void CRSF_Init(void);
bool CRSF_Update(CRSF_Data& data, bool& off);
bool crsf_parse(const uint8_t *frame, unsigned len, uint16_t *values,
uint16_t *num_values, uint16_t max_channels);