sforkowany z mirror/RS41ng
34 wiersze
1.5 KiB
C
34 wiersze
1.5 KiB
C
#ifndef __HORUS_PACKET_V2_H
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#define __HORUS_PACKET_V2_H
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#include <stdint.h>
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#include <stdlib.h>
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#include "telemetry.h"
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// Horus Binary v2 Packet Format
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// See: https://github.com/projecthorus/horusdemodlib/wiki/5-Customising-a-Horus-Binary-v2-Packet
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// Note that we need to pack this to 1-byte alignment, hence the #pragma flags below
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// Refer: https://gcc.gnu.org/onlinedocs/gcc-4.4.4/gcc/Structure_002dPacking-Pragmas.html
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#pragma pack(push, 1)
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typedef struct _horus_packet_v2 {
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uint16_t PayloadID; // Payload ID (0-65535)
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uint16_t Counter; // Sequence number
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uint8_t Hours; // Time of day, Hours
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uint8_t Minutes; // Time of day, Minutes
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uint8_t Seconds; // Time of day, Seconds
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float Latitude; // Latitude in degrees
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float Longitude; // Longitude in degrees
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uint16_t Altitude; // Altitude in meters
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uint8_t Speed; // Speed in km/h
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uint8_t Sats; // Number of GPS satellites visible
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int8_t Temp; // Temperature in Celsius, as a signed value (-128 to +128, though sensor limited to -64 to +64 deg C)
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uint8_t BattVoltage; // 0 = 0v, 255 = 5.0V, linear steps in-between.
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uint8_t CustomData[9]; // Custom data, see: https://github.com/projecthorus/horusdemodlib/wiki/5-Customising-a-Horus-Binary-v2-Packet#interpreting-the-custom-data-section
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uint16_t Checksum; // CRC16-CCITT Checksum.
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} horus_packet_v2; // __attribute__ ((packed)); // Doesn't work?
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#pragma pack(pop)
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size_t horus_packet_v2_create(uint8_t *payload, size_t length, telemetry_data *data, uint16_t payload_id);
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#endif
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