sforkowany z mirror/RS41ng
58 wiersze
1.7 KiB
C
58 wiersze
1.7 KiB
C
#include <stdint.h>
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#include "codecs/horus/horus_packet_v1.h"
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#include "codecs/horus/horus_l2.h"
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#include "config.h"
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#include "telemetry.h"
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#include "radio_payload_horus_v1.h"
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#ifdef SEMIHOSTING_ENABLE
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#include "log.h"
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#endif
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#define HORUS_V1_PREAMBLE_BYTE 0x1B
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uint16_t radio_horus_v1_encode(uint8_t *payload, uint16_t length, telemetry_data *telemetry_data, char *message)
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{
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horus_packet_v1 horus_packet;
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size_t packet_length = horus_packet_v1_create((uint8_t *) &horus_packet, sizeof(horus_packet),
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telemetry_data, HORUS_V1_PAYLOAD_ID);
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#ifdef SEMIHOSTING_ENABLE
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log_info("Horus V1 packet: ");
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log_bytes_hex((int) packet_length, (char *) &horus_packet);
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log_info("\n");
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#endif
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// Preamble to help the decoder lock-on after a quiet period.
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for (int i = 0; i < HORUS_V1_PREAMBLE_LENGTH; i++) {
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payload[i] = HORUS_V1_PREAMBLE_BYTE;
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}
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// Encode the packet, and write into the mfsk buffer.
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int encoded_length = horus_l2_encode_tx_packet(
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(unsigned char *) payload + HORUS_V1_PREAMBLE_LENGTH,
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(unsigned char *) &horus_packet, (int) packet_length);
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return encoded_length + HORUS_V1_PREAMBLE_LENGTH;
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}
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uint16_t radio_horus_v1_idle_encode(uint8_t *payload, uint16_t length, telemetry_data *telemetry_data, char *message)
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{
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// Use the preamble for idle tones during continuous transmit mode
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for (int i = 0; i < HORUS_V1_IDLE_PREAMBLE_LENGTH; i++) {
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payload[i] = HORUS_V1_PREAMBLE_BYTE;
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}
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return HORUS_V1_IDLE_PREAMBLE_LENGTH;
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}
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payload_encoder radio_horus_v1_payload_encoder = {
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.encode = radio_horus_v1_encode,
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};
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payload_encoder radio_horus_v1_idle_encoder = {
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.encode = radio_horus_v1_idle_encode,
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};
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