diff options
Diffstat (limited to 'src/lib/rc/st24.h')
| -rw-r--r-- | src/lib/rc/st24.h | 46 |
1 files changed, 28 insertions, 18 deletions
diff --git a/src/lib/rc/st24.h b/src/lib/rc/st24.h index 3621e8506..24dbf8e51 100644 --- a/src/lib/rc/st24.h +++ b/src/lib/rc/st24.h @@ -39,22 +39,30 @@ * @author Lorenz Meier <lm@inf.ethz.ch> */ +#pragma once + +#include <stdint.h> + +__BEGIN_DECLS + #define ST24_DATA_LEN_MAX 64 +#define ST24_STX1 0x55 +#define ST24_STX2 0x55 -enum { +enum ST24_PACKET_TYPE { ST24_PACKET_TYPE_CHANNELDATA12 = 0, ST24_PACKET_TYPE_CHANNELDATA24, ST24_PACKET_TYPE_TRANSMITTERGPSDATA -} ST24_PACKET_TYPE; +}; #pragma pack(push, 1) typedef struct { - uint8_t header1; ///< 0x55 for a valid packet - uint8_t header2; ///< 0x55 for a valid packet + uint8_t header1; ///< 0x55 for a valid packet + uint8_t header2; ///< 0x55 for a valid packet uint8_t length; ///< length includes type, data, and crc = sizeof(type)+sizeof(data[payload_len])+sizeof(crc8) - uint8_t type; ///< from enum ST24_PACKET_TYPE + uint8_t type; ///< from enum ST24_PACKET_TYPE uint8_t st24_data[ST24_DATA_LEN_MAX]; - uint8_t crc8; ///< crc8 checksum, calculated by st24_common_crc8 and including fields length, type and st24_data + uint8_t crc8; ///< crc8 checksum, calculated by st24_common_crc8 and including fields length, type and st24_data } ReceiverFcPacket; /** @@ -63,8 +71,8 @@ typedef struct { * This is incoming from the ST24 */ typedef struct { - uint16_t t; ///< packet counter or clock - uint8_t rssi ///< signal strength + uint16_t t; ///< packet counter or clock + uint8_t rssi; ///< signal strength uint8_t packet_count; ///< Number of UART packets sent since reception of last RF frame (this tells something about age / rate) uint8_t channel[18]; ///< channel data, 12 channels (12 bit numbers) } ChannelData12; @@ -74,8 +82,8 @@ typedef struct { * */ typedef struct { - uint16_t t; ///< packet counter or clock - uint8_t rssi ///< signal strength + uint16_t t; ///< packet counter or clock + uint8_t rssi; ///< signal strength uint8_t packet_count; ///< Number of UART packets sent since reception of last RF frame (this tells something about age / rate) uint8_t channel[36]; ///< channel data, 24 channels (12 bit numbers) } ChannelData24; @@ -114,17 +122,17 @@ typedef struct { * */ typedef struct { - uint16_t t; ///< packet counter or clock - int32_t lat; ///< lattitude (degrees) +/- 90 deg - int32_t lon; ///< longitude (degrees) +/- 180 deg - int32_t alt; ///< 0.01m resolution, altitude (meters) + uint16_t t; ///< packet counter or clock + int32_t lat; ///< lattitude (degrees) +/- 90 deg + int32_t lon; ///< longitude (degrees) +/- 180 deg + int32_t alt; ///< 0.01m resolution, altitude (meters) int16_t vx, vy, vz; ///< velocity 0.01m res, +/-320.00 North-East- Down - uint8_t nsat; ///<number of satellites - uint8_t voltage; ///< 25.4V voltage = 5 + 255*0.1 = 30.5V, min=5V - uint8_t current; ///< 0.5A resolution + uint8_t nsat; ///<number of satellites + uint8_t voltage; ///< 25.4V voltage = 5 + 255*0.1 = 30.5V, min=5V + uint8_t current; ///< 0.5A resolution int16_t roll, pitch, yaw; ///< 0.01 degree resolution uint8_t motorStatus; ///< 1 bit per motor for status 1=good, 0= fail - uint8_t imuStatus; ///< inertial measurement unit status + uint8_t imuStatus; ///< inertial measurement unit status uint8_t pressCompassStatus; ///< baro / compass status } TelemetryData; @@ -150,3 +158,5 @@ uint8_t st24_common_crc8(uint8_t *ptr, uint8_t len); * @return 0 for success (a decoded packet), 1 for no packet yet (accumulating), 3 for out of sync, 4 for checksum error */ __EXPORT uint8_t st24_decode(uint8_t byte, uint8_t *rssi, uint8_t* rx_count, uint16_t *channels, uint16_t max_chan_count); + +__END_DECLS |