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https://github.com/Rockbox/rockbox.git
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iap: add more comments to iap command and responses
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29779 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Bertrik Sikken
parent
a602f46d69
commit
4c1de9c015
1 changed files with 68 additions and 37 deletions
105
apps/iap.c
105
apps/iap.c
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@ -188,6 +188,7 @@ void iap_periodic(void)
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if(!iap_setupflag) return;
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if(!iap_pollspeed) return;
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/* PlayStatusChangeNotification */
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unsigned char data[] = {0x04, 0x00, 0x27, 0x04, 0x00, 0x00, 0x00, 0x00};
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unsigned long time_elapsed = audio_current_track()->elapsed;
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@ -470,14 +471,16 @@ static void iap_handlepkt_mode3(void)
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unsigned int cmd = serbuf[2];
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switch (cmd)
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{
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/* some kind of status packet? */
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/* GetCurrentEQProfileIndex */
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case 0x01:
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{
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/* RetCurrentEQProfileIndex */
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unsigned char data[] = {0x03, 0x02, 0x00, 0x00, 0x00, 0x00};
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iap_send_pkt(data, sizeof(data));
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break;
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}
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/* SetRemoteEventNotification */
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case 0x08:
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{
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/* ACK */
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@ -486,6 +489,7 @@ static void iap_handlepkt_mode3(void)
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break;
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}
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/* GetiPodStateInfo */
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case 0x0C:
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{
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/* request ipod volume */
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@ -495,7 +499,8 @@ static void iap_handlepkt_mode3(void)
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}
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break;
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}
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/* get volume from accessory */
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/* SetiPodStateInfo */
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case 0x0E:
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{
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if (serbuf[3] == 0x04)
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@ -519,15 +524,17 @@ static void iap_handlepkt_mode4(void)
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unsigned int cmd = (serbuf[2] << 8) | serbuf[3];
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switch (cmd)
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{
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/* Get data updated??? flag */
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/* GetAudioBookSpeed */
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case 0x0009:
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{
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/* ReturnAudioBookSpeed */
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unsigned char data[] = {0x04, 0x00, 0x0A, 0x00};
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data[3] = iap_updateflag ? 0 : 1;
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iap_send_pkt(data, sizeof(data));
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break;
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}
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/* Set data updated??? flag */
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/* SetAudioBookSpeed */
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case 0x000B:
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{
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iap_updateflag = serbuf[4] ? 0 : 1;
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@ -535,16 +542,20 @@ static void iap_handlepkt_mode4(void)
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cmd_ok_mode4(cmd);
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break;
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}
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/* Get iPod size? */
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/* RequestProtocolVersion */
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case 0x0012:
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{
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/* ReturnProtocolVersion */
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unsigned char data[] = {0x04, 0x00, 0x13, 0x01, 0x0B};
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iap_send_pkt(data, sizeof(data));
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break;
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}
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/* Get count of given types */
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/* GetNumberCategorizedDBRecords */
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case 0x0018:
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{
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/* ReturnNumberCategorizedDBRecords */
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unsigned char data[] = {0x04, 0x00, 0x19, 0x00, 0x00, 0x00, 0x00};
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unsigned long num = 0;
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switch(serbuf[4]) /* type number */
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@ -562,9 +573,11 @@ static void iap_handlepkt_mode4(void)
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iap_send_pkt(data, sizeof(data));
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break;
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}
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/* Get time and status */
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/* GetPlayStatus */
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case 0x001C:
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{
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/* ReturnPlayStatus */
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unsigned char data[] = {0x04, 0x00, 0x1D, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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struct mp3entry *id3 = audio_current_track();
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@ -586,9 +599,11 @@ static void iap_handlepkt_mode4(void)
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iap_send_pkt(data, sizeof(data));
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break;
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}
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/* Get current pos in playlist */
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/* GetCurrentPlayingTrackIndex */
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case 0x001E:
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{
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/* ReturnCurrentPlayingTrackIndex */
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unsigned char data[] = {0x04, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x00};
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long playlist_pos = playlist_next(0);
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playlist_pos -= playlist_get_first_index(NULL);
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@ -601,11 +616,12 @@ static void iap_handlepkt_mode4(void)
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iap_send_pkt(data, sizeof(data));
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break;
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}
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/* Get title of a song number */
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/* GetIndexedPlayingTrackTitle */
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case 0x0020:
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/* Get artist of a song number */
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/* GetIndexedPlayingTrackArtistName */
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case 0x0022:
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/* Get album of a song number */
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/* GetIndexedPlayingTrackAlbumName */
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case 0x0024:
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{
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unsigned char data[70] = {0x04, 0x00, 0xFF};
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@ -615,7 +631,7 @@ static void iap_handlepkt_mode4(void)
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long tracknum = (signed long)serbuf[4] << 24 |
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(signed long)serbuf[5] << 16 |
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(signed long)serbuf[6] << 8 | serbuf[7];
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data[2] = serbuf[3] + 1;
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data[2] = cmd + 1;
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memcpy(&id3, audio_current_track(), sizeof(id3));
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tracknum += playlist_get_first_index(NULL);
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if(tracknum >= playlist_amount())
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@ -634,37 +650,36 @@ static void iap_handlepkt_mode4(void)
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}
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/* Return the requested track data */
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switch(serbuf[3])
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switch(cmd)
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{
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case 0x20:
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len = strlcpy((char *)&data[3], id3.title, 64);
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iap_send_pkt(data, 4+len);
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iap_send_pkt(data, 4+len);
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break;
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case 0x22:
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len = strlcpy((char *)&data[3], id3.artist, 64);
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iap_send_pkt(data, 4+len);
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iap_send_pkt(data, 4+len);
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break;
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case 0x24:
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len = strlcpy((char *)&data[3], id3.album, 64);
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iap_send_pkt(data, 4+len);
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iap_send_pkt(data, 4+len);
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break;
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}
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break;
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}
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/* Set polling mode */
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/* SetPlayStatusChangeNotification */
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case 0x0026:
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{
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iap_pollspeed = serbuf[4] ? 1 : 0;
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/*respond with cmd ok packet */
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/* respond with cmd ok packet */
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cmd_ok_mode4(cmd);
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break;
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}
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/* AiR playback control */
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/* PlayControl */
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case 0x0029:
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{
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/* respond with cmd ok packet */
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unsigned char data[] = {0x04, 0x00, 0x01, 0x00, 0x00, 0x29};
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iap_send_pkt(data, sizeof(data));
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switch(serbuf[4])
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{
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case 0x01: /* play/pause */
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@ -705,17 +720,22 @@ static void iap_handlepkt_mode4(void)
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if(iap_pollspeed) iap_pollspeed = 1;
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break;
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}
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/* respond with cmd ok packet */
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cmd_ok_mode4(cmd);
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break;
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}
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/* Get shuffle mode */
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/* GetShuffle */
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case 0x002C:
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{
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/* ReturnShuffle */
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unsigned char data[] = {0x04, 0x00, 0x2D, 0x00};
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data[3] = global_settings.playlist_shuffle ? 1 : 0;
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iap_send_pkt(data, sizeof(data));
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break;
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}
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/* Set shuffle mode */
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/* SetShuffle */
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case 0x002E:
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{
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if(serbuf[4] && !global_settings.playlist_shuffle)
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@ -733,14 +753,15 @@ static void iap_handlepkt_mode4(void)
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playlist_sort(NULL, true);
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}
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/* respond with cmd ok packet */
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cmd_ok_mode4(cmd);
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break;
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}
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/* Get repeat mode */
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/* GetRepeat */
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case 0x002F:
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{
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/* ReturnRepeat */
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unsigned char data[] = {0x04, 0x00, 0x30, 0x00};
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if(global_settings.repeat_mode == REPEAT_OFF)
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data[3] = 0;
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@ -751,7 +772,8 @@ static void iap_handlepkt_mode4(void)
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iap_send_pkt(data, sizeof(data));
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break;
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}
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/* Set repeat mode */
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/* SetRepeat */
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case 0x0031:
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{
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int oldmode = global_settings.repeat_mode;
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@ -772,10 +794,12 @@ static void iap_handlepkt_mode4(void)
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/* respond with cmd ok packet */
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cmd_ok_mode4(cmd);
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break;
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}
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/* Get Screen Size */
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}
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/* GetMonoDisplayImageLimits */
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case 0x0033:
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{
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/* ReturnMonoDisplayImageLimits */
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unsigned char data[] = {0x04, 0x00, 0x34,
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LCD_WIDTH >> 8, LCD_WIDTH & 0xff,
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LCD_HEIGHT >> 8, LCD_HEIGHT & 0xff,
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@ -783,9 +807,11 @@ static void iap_handlepkt_mode4(void)
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iap_send_pkt(data, sizeof(data));
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break;
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}
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/* Get number songs in current playlist */
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/* GetNumPlayingTracks */
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case 0x0035:
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{
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/* ReturnNumPlayingTracks */
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unsigned char data[] = {0x04, 0x00, 0x36, 0x00, 0x00, 0x00, 0x00};
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unsigned long playlist_amt = playlist_amount();
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data[3] = playlist_amt >> 24;
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@ -794,8 +820,9 @@ static void iap_handlepkt_mode4(void)
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data[6] = playlist_amt;
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iap_send_pkt(data, sizeof(data));
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break;
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}
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/* Jump to track number in current playlist */
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}
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/* SetCurrentPlayingTrack */
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case 0x0037:
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{
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int paused = (is_wps_fading() || (audio_status() & AUDIO_STATUS_PAUSE));
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@ -811,6 +838,7 @@ static void iap_handlepkt_mode4(void)
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cmd_ok_mode4(cmd);
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break;
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}
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default:
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{
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/* default response is with cmd ok packet */
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@ -825,25 +853,28 @@ static void iap_handlepkt_mode7(void)
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unsigned int cmd = serbuf[2];
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switch (cmd)
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{
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/* tuner capabilities */
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/* RetTunerCaps */
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case 0x02:
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{
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/* do nothing */
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/* GetAccessoryInfo */
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unsigned char data[] = {0x00, 0x27, 0x00};
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iap_send_pkt(data, sizeof(data));
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break;
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}
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/* actual tuner frequency */
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/* RetTunerFreq */
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case 0x0A:
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/* fall through */
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/* tuner frequency from scan */
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/* fall through */
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/* TunerSeekDone */
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case 0x13:
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{
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rmt_tuner_freq(serbuf);
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break;
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}
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/* RDS station name 0x21 1E 00 + ASCII text*/
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/* RdsReadyNotify, RDS station name 0x21 1E 00 + ASCII text*/
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case 0x21:
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{
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rmt_tuner_rds_data(serbuf);
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