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iap: add more comments to iap command and responses

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29779 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Bertrik Sikken 2011-04-24 20:22:38 +00:00
parent a602f46d69
commit 4c1de9c015
1 changed files with 68 additions and 37 deletions
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105
apps/iap.c
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@ -188,6 +188,7 @@ void iap_periodic(void)
if(!iap_setupflag) return; if(!iap_setupflag) return;
if(!iap_pollspeed) return; if(!iap_pollspeed) return;
/* PlayStatusChangeNotification */
unsigned char data[] = {0x04, 0x00, 0x27, 0x04, 0x00, 0x00, 0x00, 0x00}; unsigned char data[] = {0x04, 0x00, 0x27, 0x04, 0x00, 0x00, 0x00, 0x00};
unsigned long time_elapsed = audio_current_track()->elapsed; unsigned long time_elapsed = audio_current_track()->elapsed;
@ -470,14 +471,16 @@ static void iap_handlepkt_mode3(void)
unsigned int cmd = serbuf[2]; unsigned int cmd = serbuf[2];
switch (cmd) switch (cmd)
{ {
/* some kind of status packet? */ /* GetCurrentEQProfileIndex */
case 0x01: case 0x01:
{ {
/* RetCurrentEQProfileIndex */
unsigned char data[] = {0x03, 0x02, 0x00, 0x00, 0x00, 0x00}; unsigned char data[] = {0x03, 0x02, 0x00, 0x00, 0x00, 0x00};
iap_send_pkt(data, sizeof(data)); iap_send_pkt(data, sizeof(data));
break; break;
} }
/* SetRemoteEventNotification */
case 0x08: case 0x08:
{ {
/* ACK */ /* ACK */
@ -486,6 +489,7 @@ static void iap_handlepkt_mode3(void)
break; break;
} }
/* GetiPodStateInfo */
case 0x0C: case 0x0C:
{ {
/* request ipod volume */ /* request ipod volume */
@ -495,7 +499,8 @@ static void iap_handlepkt_mode3(void)
} }
break; break;
} }
/* get volume from accessory */
/* SetiPodStateInfo */
case 0x0E: case 0x0E:
{ {
if (serbuf[3] == 0x04) if (serbuf[3] == 0x04)
@ -519,15 +524,17 @@ static void iap_handlepkt_mode4(void)
unsigned int cmd = (serbuf[2] << 8) | serbuf[3]; unsigned int cmd = (serbuf[2] << 8) | serbuf[3];
switch (cmd) switch (cmd)
{ {
/* Get data updated??? flag */ /* GetAudioBookSpeed */
case 0x0009: case 0x0009:
{ {
/* ReturnAudioBookSpeed */
unsigned char data[] = {0x04, 0x00, 0x0A, 0x00}; unsigned char data[] = {0x04, 0x00, 0x0A, 0x00};
data[3] = iap_updateflag ? 0 : 1; data[3] = iap_updateflag ? 0 : 1;
iap_send_pkt(data, sizeof(data)); iap_send_pkt(data, sizeof(data));
break; break;
} }
/* Set data updated??? flag */
/* SetAudioBookSpeed */
case 0x000B: case 0x000B:
{ {
iap_updateflag = serbuf[4] ? 0 : 1; iap_updateflag = serbuf[4] ? 0 : 1;
@ -535,16 +542,20 @@ static void iap_handlepkt_mode4(void)
cmd_ok_mode4(cmd); cmd_ok_mode4(cmd);
break; break;
} }
/* Get iPod size? */
/* RequestProtocolVersion */
case 0x0012: case 0x0012:
{ {
/* ReturnProtocolVersion */
unsigned char data[] = {0x04, 0x00, 0x13, 0x01, 0x0B}; unsigned char data[] = {0x04, 0x00, 0x13, 0x01, 0x0B};
iap_send_pkt(data, sizeof(data)); iap_send_pkt(data, sizeof(data));
break; break;
} }
/* Get count of given types */
/* GetNumberCategorizedDBRecords */
case 0x0018: case 0x0018:
{ {
/* ReturnNumberCategorizedDBRecords */
unsigned char data[] = {0x04, 0x00, 0x19, 0x00, 0x00, 0x00, 0x00}; unsigned char data[] = {0x04, 0x00, 0x19, 0x00, 0x00, 0x00, 0x00};
unsigned long num = 0; unsigned long num = 0;
switch(serbuf[4]) /* type number */ switch(serbuf[4]) /* type number */
@ -562,9 +573,11 @@ static void iap_handlepkt_mode4(void)
iap_send_pkt(data, sizeof(data)); iap_send_pkt(data, sizeof(data));
break; break;
} }
/* Get time and status */
/* GetPlayStatus */
case 0x001C: case 0x001C:
{ {
/* ReturnPlayStatus */
unsigned char data[] = {0x04, 0x00, 0x1D, 0x00, 0x00, 0x00, unsigned char data[] = {0x04, 0x00, 0x1D, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00}; 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
struct mp3entry *id3 = audio_current_track(); struct mp3entry *id3 = audio_current_track();
@ -586,9 +599,11 @@ static void iap_handlepkt_mode4(void)
iap_send_pkt(data, sizeof(data)); iap_send_pkt(data, sizeof(data));
break; break;
} }
/* Get current pos in playlist */
/* GetCurrentPlayingTrackIndex */
case 0x001E: case 0x001E:
{ {
/* ReturnCurrentPlayingTrackIndex */
unsigned char data[] = {0x04, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x00}; unsigned char data[] = {0x04, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x00};
long playlist_pos = playlist_next(0); long playlist_pos = playlist_next(0);
playlist_pos -= playlist_get_first_index(NULL); playlist_pos -= playlist_get_first_index(NULL);
@ -601,11 +616,12 @@ static void iap_handlepkt_mode4(void)
iap_send_pkt(data, sizeof(data)); iap_send_pkt(data, sizeof(data));
break; break;
} }
/* Get title of a song number */
/* GetIndexedPlayingTrackTitle */
case 0x0020: case 0x0020:
/* Get artist of a song number */ /* GetIndexedPlayingTrackArtistName */
case 0x0022: case 0x0022:
/* Get album of a song number */ /* GetIndexedPlayingTrackAlbumName */
case 0x0024: case 0x0024:
{ {
unsigned char data[70] = {0x04, 0x00, 0xFF}; unsigned char data[70] = {0x04, 0x00, 0xFF};
@ -615,7 +631,7 @@ static void iap_handlepkt_mode4(void)
long tracknum = (signed long)serbuf[4] << 24 | long tracknum = (signed long)serbuf[4] << 24 |
(signed long)serbuf[5] << 16 | (signed long)serbuf[5] << 16 |
(signed long)serbuf[6] << 8 | serbuf[7]; (signed long)serbuf[6] << 8 | serbuf[7];
data[2] = serbuf[3] + 1; data[2] = cmd + 1;
memcpy(&id3, audio_current_track(), sizeof(id3)); memcpy(&id3, audio_current_track(), sizeof(id3));
tracknum += playlist_get_first_index(NULL); tracknum += playlist_get_first_index(NULL);
if(tracknum >= playlist_amount()) if(tracknum >= playlist_amount())
@ -634,37 +650,36 @@ static void iap_handlepkt_mode4(void)
} }
/* Return the requested track data */ /* Return the requested track data */
switch(serbuf[3]) switch(cmd)
{ {
case 0x20: case 0x20:
len = strlcpy((char *)&data[3], id3.title, 64); len = strlcpy((char *)&data[3], id3.title, 64);
iap_send_pkt(data, 4+len); iap_send_pkt(data, 4+len);
break; break;
case 0x22: case 0x22:
len = strlcpy((char *)&data[3], id3.artist, 64); len = strlcpy((char *)&data[3], id3.artist, 64);
iap_send_pkt(data, 4+len); iap_send_pkt(data, 4+len);
break; break;
case 0x24: case 0x24:
len = strlcpy((char *)&data[3], id3.album, 64); len = strlcpy((char *)&data[3], id3.album, 64);
iap_send_pkt(data, 4+len); iap_send_pkt(data, 4+len);
break; break;
} }
break; break;
} }
/* Set polling mode */
/* SetPlayStatusChangeNotification */
case 0x0026: case 0x0026:
{ {
iap_pollspeed = serbuf[4] ? 1 : 0; iap_pollspeed = serbuf[4] ? 1 : 0;
/*respond with cmd ok packet */ /* respond with cmd ok packet */
cmd_ok_mode4(cmd); cmd_ok_mode4(cmd);
break; break;
} }
/* AiR playback control */
/* PlayControl */
case 0x0029: case 0x0029:
{ {
/* respond with cmd ok packet */
unsigned char data[] = {0x04, 0x00, 0x01, 0x00, 0x00, 0x29};
iap_send_pkt(data, sizeof(data));
switch(serbuf[4]) switch(serbuf[4])
{ {
case 0x01: /* play/pause */ case 0x01: /* play/pause */
@ -705,17 +720,22 @@ static void iap_handlepkt_mode4(void)
if(iap_pollspeed) iap_pollspeed = 1; if(iap_pollspeed) iap_pollspeed = 1;
break; break;
} }
/* respond with cmd ok packet */
cmd_ok_mode4(cmd);
break; break;
} }
/* Get shuffle mode */
/* GetShuffle */
case 0x002C: case 0x002C:
{ {
/* ReturnShuffle */
unsigned char data[] = {0x04, 0x00, 0x2D, 0x00}; unsigned char data[] = {0x04, 0x00, 0x2D, 0x00};
data[3] = global_settings.playlist_shuffle ? 1 : 0; data[3] = global_settings.playlist_shuffle ? 1 : 0;
iap_send_pkt(data, sizeof(data)); iap_send_pkt(data, sizeof(data));
break; break;
} }
/* Set shuffle mode */
/* SetShuffle */
case 0x002E: case 0x002E:
{ {
if(serbuf[4] && !global_settings.playlist_shuffle) if(serbuf[4] && !global_settings.playlist_shuffle)
@ -733,14 +753,15 @@ static void iap_handlepkt_mode4(void)
playlist_sort(NULL, true); playlist_sort(NULL, true);
} }
/* respond with cmd ok packet */ /* respond with cmd ok packet */
cmd_ok_mode4(cmd); cmd_ok_mode4(cmd);
break; break;
} }
/* Get repeat mode */
/* GetRepeat */
case 0x002F: case 0x002F:
{ {
/* ReturnRepeat */
unsigned char data[] = {0x04, 0x00, 0x30, 0x00}; unsigned char data[] = {0x04, 0x00, 0x30, 0x00};
if(global_settings.repeat_mode == REPEAT_OFF) if(global_settings.repeat_mode == REPEAT_OFF)
data[3] = 0; data[3] = 0;
@ -751,7 +772,8 @@ static void iap_handlepkt_mode4(void)
iap_send_pkt(data, sizeof(data)); iap_send_pkt(data, sizeof(data));
break; break;
} }
/* Set repeat mode */
/* SetRepeat */
case 0x0031: case 0x0031:
{ {
int oldmode = global_settings.repeat_mode; int oldmode = global_settings.repeat_mode;
@ -772,10 +794,12 @@ static void iap_handlepkt_mode4(void)
/* respond with cmd ok packet */ /* respond with cmd ok packet */
cmd_ok_mode4(cmd); cmd_ok_mode4(cmd);
break; break;
} }
/* Get Screen Size */
/* GetMonoDisplayImageLimits */
case 0x0033: case 0x0033:
{ {
/* ReturnMonoDisplayImageLimits */
unsigned char data[] = {0x04, 0x00, 0x34, unsigned char data[] = {0x04, 0x00, 0x34,
LCD_WIDTH >> 8, LCD_WIDTH & 0xff, LCD_WIDTH >> 8, LCD_WIDTH & 0xff,
LCD_HEIGHT >> 8, LCD_HEIGHT & 0xff, LCD_HEIGHT >> 8, LCD_HEIGHT & 0xff,
@ -783,9 +807,11 @@ static void iap_handlepkt_mode4(void)
iap_send_pkt(data, sizeof(data)); iap_send_pkt(data, sizeof(data));
break; break;
} }
/* Get number songs in current playlist */
/* GetNumPlayingTracks */
case 0x0035: case 0x0035:
{ {
/* ReturnNumPlayingTracks */
unsigned char data[] = {0x04, 0x00, 0x36, 0x00, 0x00, 0x00, 0x00}; unsigned char data[] = {0x04, 0x00, 0x36, 0x00, 0x00, 0x00, 0x00};
unsigned long playlist_amt = playlist_amount(); unsigned long playlist_amt = playlist_amount();
data[3] = playlist_amt >> 24; data[3] = playlist_amt >> 24;
@ -794,8 +820,9 @@ static void iap_handlepkt_mode4(void)
data[6] = playlist_amt; data[6] = playlist_amt;
iap_send_pkt(data, sizeof(data)); iap_send_pkt(data, sizeof(data));
break; break;
} }
/* Jump to track number in current playlist */
/* SetCurrentPlayingTrack */
case 0x0037: case 0x0037:
{ {
int paused = (is_wps_fading() || (audio_status() & AUDIO_STATUS_PAUSE)); int paused = (is_wps_fading() || (audio_status() & AUDIO_STATUS_PAUSE));
@ -811,6 +838,7 @@ static void iap_handlepkt_mode4(void)
cmd_ok_mode4(cmd); cmd_ok_mode4(cmd);
break; break;
} }
default: default:
{ {
/* default response is with cmd ok packet */ /* default response is with cmd ok packet */
@ -825,25 +853,28 @@ static void iap_handlepkt_mode7(void)
unsigned int cmd = serbuf[2]; unsigned int cmd = serbuf[2];
switch (cmd) switch (cmd)
{ {
/* tuner capabilities */ /* RetTunerCaps */
case 0x02: case 0x02:
{ {
/* do nothing */ /* do nothing */
/* GetAccessoryInfo */
unsigned char data[] = {0x00, 0x27, 0x00}; unsigned char data[] = {0x00, 0x27, 0x00};
iap_send_pkt(data, sizeof(data)); iap_send_pkt(data, sizeof(data));
break; break;
} }
/* actual tuner frequency */
/* RetTunerFreq */
case 0x0A: case 0x0A:
/* fall through */ /* fall through */
/* tuner frequency from scan */ /* TunerSeekDone */
case 0x13: case 0x13:
{ {
rmt_tuner_freq(serbuf); rmt_tuner_freq(serbuf);
break; break;
} }
/* RDS station name 0x21 1E 00 + ASCII text*/
/* RdsReadyNotify, RDS station name 0x21 1E 00 + ASCII text*/
case 0x21: case 0x21:
{ {
rmt_tuner_rds_data(serbuf); rmt_tuner_rds_data(serbuf);