src/main/io/vtx_smartaudio.h

   1 /*
   2  * This file is part of Cleanflight and Betaflight.
   3  *
   4  * Cleanflight and Betaflight are free software. You can redistribute
   5  * this software and/or modify this software under the terms of the
   6  * GNU General Public License as published by the Free Software
   7  * Foundation, either version 3 of the License, or (at your option)
   8  * any later version.
   9  *
  10  * Cleanflight and Betaflight are distributed in the hope that they
  11  * will be useful, but WITHOUT ANY WARRANTY; without even the implied
  12  * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13  * See the GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this software.
  17  *
  18  * If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #pragma once
  22
  23 #include <stdbool.h>
  24 #include <stdint.h>
  25
  26 #include "platform.h"
  27
  28 #define VTX_SMARTAUDIO_MIN_BAND 1
  29 #define VTX_SMARTAUDIO_MAX_BAND 5
  30 #define VTX_SMARTAUDIO_MIN_CHANNEL 1
  31 #define VTX_SMARTAUDIO_MAX_CHANNEL 8
  32
  33 #define VTX_SMARTAUDIO_BAND_COUNT (VTX_SMARTAUDIO_MAX_BAND - VTX_SMARTAUDIO_MIN_BAND + 1)
  34 #define VTX_SMARTAUDIO_CHANNEL_COUNT (VTX_SMARTAUDIO_MAX_CHANNEL - VTX_SMARTAUDIO_MIN_CHANNEL + 1)
  35
  36 #define VTX_SMARTAUDIO_MAX_POWER_COUNT 8
  37 #define VTX_SMARTAUDIO_DEFAULT_POWER_COUNT 4
  38 #define VTX_SMARTAUDIO_DEFAULT_POWER 1
  39
  40 #define VTX_SMARTAUDIO_MIN_FREQUENCY_MHZ 5000        //min freq in MHz
  41 #define VTX_SMARTAUDIO_MAX_FREQUENCY_MHZ 5999        //max freq in MHz
  42
  43 // opmode flags, GET side
  44 #define SA_MODE_GET_FREQ_BY_FREQ            1
  45 #define SA_MODE_GET_PITMODE                 2
  46 #define SA_MODE_GET_IN_RANGE_PITMODE        4
  47 #define SA_MODE_GET_OUT_RANGE_PITMODE       8
  48 #define SA_MODE_GET_UNLOCK                 16
  49 #define SA_MODE_GET_DEFERRED_FREQ          32
  50
  51 // opmode flags, SET side
  52 #define SA_MODE_SET_IN_RANGE_PITMODE        1 // Immediate
  53 #define SA_MODE_SET_OUT_RANGE_PITMODE       2 // Immediate
  54 #define SA_MODE_CLR_PITMODE                 4 // Immediate
  55 #define SA_MODE_SET_UNLOCK                  8
  56 #define SA_MODE_SET_LOCK                    0 // ~UNLOCK
  57 #define SA_MODE_SET_DEFERRED_FREQ          16
  58
  59 // SetFrequency flags, for pit mode frequency manipulation
  60 #define SA_FREQ_GETPIT                      (1 << 14)
  61 #define SA_FREQ_SETPIT                      (1 << 15)
  62 #define SA_FREQ_MASK                        (~(SA_FREQ_GETPIT|SA_FREQ_SETPIT))
  63
  64 // For generic API use, but here for now
  65 typedef enum {
  66     SA_UNKNOWN, // or offline
  67     SA_1_0,
  68     SA_2_0,
  69     SA_2_1
  70 } smartAudioVersion_e;
  71
  72 typedef struct smartAudioDevice_s {
  73     smartAudioVersion_e version;
  74     int8_t channel;
  75     int8_t power;
  76     int8_t mode;
  77     uint16_t freq;
  78     uint16_t orfreq;
  79     bool willBootIntoPitMode;
  80 } smartAudioDevice_t;
  81
  82 typedef struct saPowerTable_s {
  83     int mW;         // rfpower
  84     int16_t dbi;    // valueV1
  85 } saPowerTable_t;
  86
  87 typedef struct smartAudioStat_s {
  88     uint16_t pktsent;
  89     uint16_t pktrcvd;
  90     uint16_t badpre;
  91     uint16_t badlen;
  92     uint16_t crc;
  93     uint16_t ooopresp;
  94     uint16_t badcode;
  95 } smartAudioStat_t;
  96
  97 extern smartAudioDevice_t saDevice;
  98 extern saPowerTable_t saPowerTable[];
  99
 100 extern uint8_t saPowerCount;
 101 extern const char * saPowerNames[VTX_SMARTAUDIO_MAX_POWER_COUNT + 1];
 102 extern smartAudioStat_t saStat;
 103
 104 extern uint16_t sa_smartbaud;
 105 extern bool saDeferred;
 106
 107 int saDacToPowerIndex(int dac);
 108 void saSetBandAndChannel(uint8_t band, uint8_t channel);
 109 void saSetMode(int mode);
 110 void saSetPowerByIndex(uint8_t index);
 111 void saSetFreq(uint16_t freq);
 112 void saSetPitFreq(uint16_t freq);
 113 bool vtxSmartAudioInit(void);