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Merge pull request #9 from raul-ortega/Automatic-protocol-detection
Automatic protocol detection: it detects NMEA (GPGGA), LTM (GFRAME), MAVLINK (msg_id 24 and 33), FRXKY_D, FRSKY_X (smartport), FMD, and RVOSD.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,120 @@ | ||
| /* | ||
| * This file is part of u360gts, aka amv-open360tracker 32bits: | ||
| * https://github.com/raul-ortega/amv-open360tracker-32bits | ||
| * | ||
| * The code below is an adaptation by Raúl Ortega of the original code of Ghettostation antenna tracker | ||
| * https://github.com/KipK/Ghettostation | ||
| * | ||
| * u360gts is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * u360gts is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with u360gts. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| */ | ||
|
|
||
| /* | ||
| */ | ||
| #include "config.h" | ||
| #include <stdint.h> | ||
| #include <stdbool.h> | ||
| #include "config/runtime_config.h" | ||
|
|
||
| uint16_t protocolDetectionParser(uint8_t c); | ||
| // machine states | ||
| enum protocolDetectionStates { | ||
| DETECTION_STATE_IDLE, | ||
| DETECTION_STATE_START, | ||
| DETECTION_STATE_START_FRXKY, | ||
| DETECTION_STATE_START_MAVLINK, | ||
| DETECTION_STATE_START_MFD, | ||
| DETECTION_STATE_DETECTED | ||
| }; | ||
|
|
||
| static uint8_t detectionState = DETECTION_STATE_IDLE; | ||
| static uint8_t detectionPacketIdex=0; | ||
| static uint16_t protocolDetected = 0; | ||
| static uint16_t lastProtocolDetected = 0; | ||
|
|
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| uint16_t protocolDetectionParser(uint8_t c){ | ||
|
|
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| switch(detectionState){ | ||
| case DETECTION_STATE_IDLE: | ||
| protocolDetected = 0; | ||
| if (c =='#' || c == 'X') { | ||
| detectionState = DETECTION_STATE_START_MFD; | ||
| detectionPacketIdex = 0; | ||
| } else if (c == 0x7E) | ||
| detectionState = DETECTION_STATE_START_FRXKY; | ||
| else if (c == 254 && detectionPacketIdex > 10) { | ||
| /*detectionState = DETECTION_STATE_START_MAVLINK;*/ | ||
| protocolDetected = TP_MAVLINK; | ||
| detectionState = DETECTION_STATE_DETECTED; | ||
| } else if (c == '$') | ||
| detectionState = DETECTION_STATE_START; | ||
| detectionPacketIdex ++; | ||
| break; | ||
| case DETECTION_STATE_START_MFD: | ||
| if ((c == '#' || c == 'X') && detectionPacketIdex < 3) | ||
| detectionPacketIdex++; | ||
| else if (detectionPacketIdex > 5 && c == 'D'){ | ||
| protocolDetected = TP_MFD; | ||
| detectionState = DETECTION_STATE_DETECTED; | ||
| } else | ||
| detectionState = DETECTION_STATE_IDLE; | ||
| break; | ||
| case DETECTION_STATE_START_FRXKY: | ||
| if (c == 0xFD) { | ||
| protocolDetected = TP_FRSKY_D; | ||
| detectionState = DETECTION_STATE_DETECTED; | ||
| } else if (detectionState == DETECTION_STATE_START_FRXKY && c ==0x10){ | ||
| protocolDetected = TP_FRSKY_X; | ||
| detectionState = DETECTION_STATE_DETECTED; | ||
| detectionPacketIdex = 0; | ||
| } else if (detectionPacketIdex > 10) | ||
| detectionState = DETECTION_STATE_IDLE; | ||
| break; | ||
| case DETECTION_STATE_START_MAVLINK: | ||
| if (detectionPacketIdex < 5) | ||
| detectionPacketIdex++; | ||
| else if (c == 24 || c == 33){ | ||
| protocolDetected = TP_MAVLINK; | ||
| detectionState = DETECTION_STATE_DETECTED; | ||
| } else | ||
| detectionState = DETECTION_STATE_IDLE; | ||
| break; | ||
| case DETECTION_STATE_START: | ||
| detectionState = DETECTION_STATE_DETECTED; | ||
| switch(c){ | ||
| case 'T': | ||
| protocolDetected = TP_LTM; | ||
| break; | ||
| case 'G': | ||
| protocolDetected = TP_GPS_TELEMETRY; | ||
| break; | ||
| case '1': | ||
| case 'R': | ||
| case 'V': | ||
| protocolDetected = TP_RVOSD; | ||
| break; | ||
| default: | ||
| detectionState = DETECTION_STATE_IDLE; | ||
| break; | ||
| } | ||
| break; | ||
| case DETECTION_STATE_DETECTED: | ||
| detectionState = DETECTION_STATE_IDLE; | ||
| detectionPacketIdex = 0; | ||
| break; | ||
| } | ||
| return protocolDetected; | ||
|
|
||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,30 @@ | ||
| /* | ||
| * This file is part of u360gts, aka amv-open360tracker 32bits: | ||
| * https://github.com/raul-ortega/amv-open360tracker-32bits | ||
| * | ||
| * The code below is an adaptation by Raúl Ortega of the original code of Ghettostation antenna tracker | ||
| * https://github.com/KipK/Ghettostation | ||
| * | ||
| * u360gts is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * u360gts is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with u360gts. If not, see <http://www.gnu.org/licenses/>. | ||
| * | ||
| */ | ||
|
|
||
| /* | ||
| */ | ||
| #include <stdint.h> | ||
|
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| uint16_t protocolDetectionParser(uint8_t c); | ||
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