77f8c9c9f1
This was broken when the major update to iap was comitted. ia-lingo7.c created and various iap related files modified. On 4G, 6G and Nano 1/2Gen iPods the remote will function even though the radio won't. Tested on 4G Greyscale, 4G Color, 4G Photo, 4G Mini 1st Gen, 4G Mini 2Gen, Nano 1G, Nano 2G, Video 5G, Video 5.5G Change-Id: Ia74e3d07d9ab5edc6da8eafa96801ede722be331
334 lines
10 KiB
C
334 lines
10 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (C) 2002 by Alan Korr & Nick Robinson
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*
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* All files in this archive are subject to the GNU General Public License.
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* See the file COPYING in the source tree root for full license agreement.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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/* Lingo 0x02, Simple Remote Lingo
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*
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* TODO:
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* - Fix cmd 0x00 handling, there has to be a more elegant way of doing
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* this
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*/
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#include "iap-core.h"
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#include "iap-lingo.h"
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#include "system.h"
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#include "button.h"
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#include "audio.h"
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#include "settings.h"
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#include "tuner.h"
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#if CONFIG_TUNER
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#include "ipod_remote_tuner.h"
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#endif
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/*
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* This macro is meant to be used inside an IAP mode message handler.
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* It is passed the expected minimum length of the message buffer.
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* If the buffer does not have the required lenght an ACK
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* packet with a Bad Parameter error is generated.
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*/
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#define CHECKLEN(x) do { \
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if (len < (x)) { \
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cmd_ack(cmd, IAP_ACK_BAD_PARAM); \
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return; \
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}} while(0)
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static void cmd_ack(const unsigned char cmd, const unsigned char status)
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{
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IAP_TX_INIT(0x02, 0x01);
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IAP_TX_PUT(status);
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IAP_TX_PUT(cmd);
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iap_send_tx();
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}
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#define cmd_ok(cmd) cmd_ack((cmd), IAP_ACK_OK)
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void iap_handlepkt_mode2(const unsigned int len, const unsigned char *buf)
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{
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static bool poweron_pressed = false;
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#if CONFIG_TUNER
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static bool remote_mute = false;
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#endif
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unsigned int cmd = buf[1];
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/* We expect at least three bytes in the buffer, one for the
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* lingo, one for the command, and one for the first button
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* state bits.
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*/
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CHECKLEN(3);
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/* Lingo 0x02 must have been negotiated */
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if (!DEVICE_LINGO_SUPPORTED(0x02)) {
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cmd_ack(cmd, IAP_ACK_BAD_PARAM);
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return;
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}
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switch (cmd)
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{
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/* ContextButtonStatus (0x00)
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*
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* Transmit button events from the device to the iPod
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*
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* Packet format (offset in buf[]: Description)
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* 0x00: Lingo ID: Simple Remote Lingo, always 0x02
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* 0x01: Command, always 0x00
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* 0x02: Button states 0:7
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* 0x03: Button states 8:15 (optional)
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* 0x04: Button states 16:23 (optional)
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* 0x05: Button states 24:31 (optional)
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*
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* Returns: (none)
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*/
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case 0x00:
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{
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iap_remotebtn = BUTTON_NONE;
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iap_timeoutbtn = 0;
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if(buf[2] != 0)
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{
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if(buf[2] & 1)
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{
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REMOTE_BUTTON(BUTTON_RC_PLAY);
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#if CONFIG_TUNER
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if (radio_present == 1) {
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if (remote_mute == 0) {
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/* Not Muted so radio on*/
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tuner_set(RADIO_MUTE,0);
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} else {
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/* Muted so radio off*/
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tuner_set(RADIO_MUTE,1);
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}
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remote_mute = !remote_mute;
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}
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#endif
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}
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if(buf[2] & 2)
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REMOTE_BUTTON(BUTTON_RC_VOL_UP);
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if(buf[2] & 4)
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REMOTE_BUTTON(BUTTON_RC_VOL_DOWN);
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if(buf[2] & 8)
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REMOTE_BUTTON(BUTTON_RC_RIGHT);
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if(buf[2] & 16)
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REMOTE_BUTTON(BUTTON_RC_LEFT);
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}
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else if(len >= 4 && buf[3] != 0)
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{
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if(buf[3] & 1) /* play */
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{
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if (audio_status() != AUDIO_STATUS_PLAY)
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REMOTE_BUTTON(BUTTON_RC_PLAY);
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#if CONFIG_TUNER
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if (radio_present == 1) {
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tuner_set(RADIO_MUTE,0);
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}
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#endif
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}
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if(buf[3] & 2) /* pause */
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{
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if (audio_status() == AUDIO_STATUS_PLAY)
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REMOTE_BUTTON(BUTTON_RC_PLAY);
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#if CONFIG_TUNER
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if (radio_present == 1) {
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tuner_set(RADIO_MUTE,1);
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}
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#endif
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}
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if(buf[3] & 128) /* Shuffle */
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{
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if (!iap_btnshuffle)
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{
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iap_shuffle_state(!global_settings.playlist_shuffle);
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iap_btnshuffle = true;
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}
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}
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}
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else if(len >= 5 && buf[4] != 0)
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{
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if(buf[4] & 1) /* repeat */
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{
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if (!iap_btnrepeat)
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{
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iap_repeat_next();
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iap_btnrepeat = true;
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}
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}
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if (buf[4] & 2) /* power on */
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{
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poweron_pressed = true;
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}
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/* Power off
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* Not quite sure how to react to this, but stopping playback
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* is a good start.
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*/
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if (buf[4] & 0x04)
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{
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if (audio_status() == AUDIO_STATUS_PLAY)
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REMOTE_BUTTON(BUTTON_RC_PLAY);
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}
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if(buf[4] & 16) /* ffwd */
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REMOTE_BUTTON(BUTTON_RC_RIGHT);
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if(buf[4] & 32) /* frwd */
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REMOTE_BUTTON(BUTTON_RC_LEFT);
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}
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/* power on released */
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if (poweron_pressed && len >= 5 && !(buf[4] & 2))
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{
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poweron_pressed = false;
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#ifdef HAVE_LINE_REC
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/* Belkin TuneTalk microphone sends power-on press+release
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* events once authentication sequence is finished,
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* GetDevCaps command is ignored by the device when it is
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* sent before power-on release event is received.
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* XXX: It is unknown if other microphone devices are
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* sending the power-on events.
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*/
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if (DEVICE_LINGO_SUPPORTED(0x01)) {
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/* GetDevCaps */
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IAP_TX_INIT(0x01, 0x07);
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iap_send_tx();
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}
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#endif
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}
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break;
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}
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/* ACK (0x01)
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*
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* Sent from the iPod to the device
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*/
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/* ImageButtonStatus (0x02)
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*
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* Transmit image button events from the device to the iPod
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*
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* Packet format (offset in buf[]: Description)
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* 0x00: Lingo ID: Simple Remote Lingo, always 0x02
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* 0x01: Command, always 0x02
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* 0x02: Button states 0:7
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* 0x03: Button states 8:15 (optional)
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* 0x04: Button states 16:23 (optional)
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* 0x05: Button states 24:31 (optional)
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*
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* This command requires authentication
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*
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* Returns on success:
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* IAP_ACK_OK
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*
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* Returns on failure:
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* IAP_ACK_*
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*/
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case 0x02:
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{
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if (!DEVICE_AUTHENTICATED) {
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cmd_ack(cmd, IAP_ACK_NO_AUTHEN);
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break;
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}
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cmd_ack(cmd, IAP_ACK_CMD_FAILED);
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break;
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}
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/* VideoButtonStatus (0x03)
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*
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* Transmit video button events from the device to the iPod
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*
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* Packet format (offset in buf[]: Description)
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* 0x00: Lingo ID: Simple Remote Lingo, always 0x02
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* 0x01: Command, always 0x03
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* 0x02: Button states 0:7
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* 0x03: Button states 8:15 (optional)
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* 0x04: Button states 16:23 (optional)
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* 0x05: Button states 24:31 (optional)
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*
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* This command requires authentication
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*
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* Returns on success:
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* IAP_ACK_OK
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*
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* Returns on failure:
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* IAP_ACK_*
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*/
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case 0x03:
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{
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if (!DEVICE_AUTHENTICATED) {
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cmd_ack(cmd, IAP_ACK_NO_AUTHEN);
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break;
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}
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cmd_ack(cmd, IAP_ACK_CMD_FAILED);
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break;
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}
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/* AudioButtonStatus (0x04)
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*
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* Transmit audio button events from the device to the iPod
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*
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* Packet format (offset in buf[]: Description)
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* 0x00: Lingo ID: Simple Remote Lingo, always 0x02
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* 0x01: Command, always 0x04
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* 0x02: Button states 0:7
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* 0x03: Button states 8:15 (optional)
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* 0x04: Button states 16:23 (optional)
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* 0x05: Button states 24:31 (optional)
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*
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* This command requires authentication
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*
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* Returns on success:
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* IAP_ACK_OK
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*
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* Returns on failure:
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* IAP_ACK_*
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*/
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case 0x04:
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{
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unsigned char repeatbuf[6];
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if (!DEVICE_AUTHENTICATED) {
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cmd_ack(cmd, IAP_ACK_NO_AUTHEN);
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break;
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}
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/* This is basically the same command as ContextButtonStatus (0x00),
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* with the difference that it requires authentication and that
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* it returns an ACK packet to the device.
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* So just route it through the handler again, with 0x00 as the
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* command
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*/
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memcpy(repeatbuf, buf, 6);
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repeatbuf[1] = 0x00;
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iap_handlepkt_mode2((len<6)?len:6, repeatbuf);
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cmd_ok(cmd);
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break;
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}
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/* The default response is IAP_ACK_BAD_PARAM */
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default:
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{
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#ifdef LOGF_ENABLE
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logf("iap: Unsupported Mode02 Command");
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#endif
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cmd_ack(cmd, IAP_ACK_BAD_PARAM);
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break;
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}
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}
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}
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