void connection::handle_read_message_id(const boost::system::error_code& e,
std::size_t bytes_transferred) {
if (!e) {
a::const_buffer b = a::buffer(buffer_);
const message_id *id = a::buffer_cast<const message_id*>(b);
cmd_ack(*id);
}
else {
printf("handle_read_message_id error %s\n", e.message().c_str());
}
}
void iap_handlepkt_mode2(const unsigned int len, const unsigned char *buf)
{
static bool poweron_pressed = false;
unsigned int cmd = buf[1];
/* We expect at least three bytes in the buffer, one for the
* lingo, one for the command, and one for the first button
* state bits.
*/
CHECKLEN(3);
/* Lingo 0x02 must have been negotiated */
if (!DEVICE_LINGO_SUPPORTED(0x02)) {
cmd_ack(cmd, IAP_ACK_BAD_PARAM);
return;
}
switch (cmd)
{
/* ContextButtonStatus (0x00)
*
* Transmit button events from the device to the iPod
*
* Packet format (offset in buf[]: Description)
* 0x00: Lingo ID: Simple Remote Lingo, always 0x02
* 0x01: Command, always 0x00
* 0x02: Button states 0:7
* 0x03: Button states 8:15 (optional)
* 0x04: Button states 16:23 (optional)
* 0x05: Button states 24:31 (optional)
*
* Returns: (none)
*/
case 0x00:
{
iap_remotebtn = BUTTON_NONE;
iap_timeoutbtn = 0;
if(buf[2] != 0)
{
if(buf[2] & 1)
REMOTE_BUTTON(BUTTON_RC_PLAY);
if(buf[2] & 2)
REMOTE_BUTTON(BUTTON_RC_VOL_UP);
if(buf[2] & 4)
REMOTE_BUTTON(BUTTON_RC_VOL_DOWN);
if(buf[2] & 8)
REMOTE_BUTTON(BUTTON_RC_RIGHT);
if(buf[2] & 16)
REMOTE_BUTTON(BUTTON_RC_LEFT);
}
else if(len >= 4 && buf[3] != 0)
{
if(buf[3] & 1) /* play */
{
if (audio_status() != AUDIO_STATUS_PLAY)
REMOTE_BUTTON(BUTTON_RC_PLAY);
}
if(buf[3] & 2) /* pause */
{
if (audio_status() == AUDIO_STATUS_PLAY)
REMOTE_BUTTON(BUTTON_RC_PLAY);
}
if(buf[3] & 128) /* Shuffle */
{
if (!iap_btnshuffle)
{
iap_shuffle_state(!global_settings.playlist_shuffle);
iap_btnshuffle = true;
}
}
}
else if(len >= 5 && buf[4] != 0)
{
if(buf[4] & 1) /* repeat */
{
if (!iap_btnrepeat)
{
iap_repeat_next();
iap_btnrepeat = true;
}
}
if (buf[4] & 2) /* power on */
{
poweron_pressed = true;
}
/* Power off
* Not quite sure how to react to this, but stopping playback
* is a good start.
*/
if (buf[4] & 0x04)
{
if (audio_status() == AUDIO_STATUS_PLAY)
REMOTE_BUTTON(BUTTON_RC_PLAY);
}
if(buf[4] & 16) /* ffwd */
REMOTE_BUTTON(BUTTON_RC_RIGHT);
if(buf[4] & 32) /* frwd */
REMOTE_BUTTON(BUTTON_RC_LEFT);
}
/* power on released */
if (poweron_pressed && len >= 5 && !(buf[4] & 2))
{
poweron_pressed = false;
#ifdef HAVE_LINE_REC
/* Belkin TuneTalk microphone sends power-on press+release
* events once authentication sequence is finished,
* GetDevCaps command is ignored by the device when it is
* sent before power-on release event is received.
* XXX: It is unknown if other microphone devices are
* sending the power-on events.
*/
if (DEVICE_LINGO_SUPPORTED(0x01)) {
/* GetDevCaps */
IAP_TX_INIT(0x01, 0x07);
iap_send_tx();
}
#endif
}
break;
}
/* ACK (0x01)
*
* Sent from the iPod to the device
*/
/* ImageButtonStatus (0x02)
*
* Transmit image button events from the device to the iPod
*
* Packet format (offset in buf[]: Description)
* 0x00: Lingo ID: Simple Remote Lingo, always 0x02
* 0x01: Command, always 0x02
* 0x02: Button states 0:7
* 0x03: Button states 8:15 (optional)
* 0x04: Button states 16:23 (optional)
* 0x05: Button states 24:31 (optional)
*
* This command requires authentication
*
* Returns on success:
* IAP_ACK_OK
*
* Returns on failure:
* IAP_ACK_*
*/
case 0x02:
{
if (!DEVICE_AUTHENTICATED) {
cmd_ack(cmd, IAP_ACK_NO_AUTHEN);
break;
}
cmd_ack(cmd, IAP_ACK_CMD_FAILED);
break;
}
/* VideoButtonStatus (0x03)
*
* Transmit video button events from the device to the iPod
*
* Packet format (offset in buf[]: Description)
* 0x00: Lingo ID: Simple Remote Lingo, always 0x02
* 0x01: Command, always 0x03
* 0x02: Button states 0:7
* 0x03: Button states 8:15 (optional)
* 0x04: Button states 16:23 (optional)
* 0x05: Button states 24:31 (optional)
*
* This command requires authentication
*
* Returns on success:
* IAP_ACK_OK
*
* Returns on failure:
* IAP_ACK_*
*/
case 0x03:
{
if (!DEVICE_AUTHENTICATED) {
cmd_ack(cmd, IAP_ACK_NO_AUTHEN);
break;
}
cmd_ack(cmd, IAP_ACK_CMD_FAILED);
break;
}
/* AudioButtonStatus (0x04)
*
* Transmit audio button events from the device to the iPod
*
* Packet format (offset in buf[]: Description)
* 0x00: Lingo ID: Simple Remote Lingo, always 0x02
* 0x01: Command, always 0x04
* 0x02: Button states 0:7
* 0x03: Button states 8:15 (optional)
* 0x04: Button states 16:23 (optional)
* 0x05: Button states 24:31 (optional)
*
* This command requires authentication
*
* Returns on success:
* IAP_ACK_OK
*
* Returns on failure:
* IAP_ACK_*
*/
case 0x04:
{
unsigned char repeatbuf[6];
if (!DEVICE_AUTHENTICATED) {
cmd_ack(cmd, IAP_ACK_NO_AUTHEN);
break;
}
/* This is basically the same command as ContextButtonStatus (0x00),
* with the difference that it requires authentication and that
* it returns an ACK packet to the device.
* So just route it through the handler again, with 0x00 as the
* command
*/
memcpy(repeatbuf, buf, 6);
repeatbuf[1] = 0x00;
iap_handlepkt_mode2((len<6)?len:6, repeatbuf);
cmd_ok(cmd);
break;
}
/* The default response is IAP_ACK_BAD_PARAM */
default:
{
#ifdef LOGF_ENABLE
logf("iap: Unsupported Mode02 Command");
#else
cmd_ack(cmd, IAP_ACK_BAD_PARAM);
#endif
break;
}
}
}
// process command from host
void PS2keyboard::process_command() {
unsigned char command = 0, b = 0;
while (keyboard -> read(&command));
Serial.print("Received keyboard host command 0x");
Serial.println(command, HEX);
switch (command) {
case 0xED: // set/reset LEDs
cmd_ack();
keyboard -> read(&b);
set_led_scrolllock(bitRead(b, 0) == 1);
set_led_numlock(bitRead(b, 1) == 1);
set_led_capslock(bitRead(b, 2) == 1);
break;
case 0xEE: // echo
while (keyboard -> write(0xEE) != 0);
last_sent_byte = 0xEE;
break;
case 0xF0: // set scan code set
cmd_ack();
keyboard -> read(&b);
if (b == 0) {
while (keyboard -> write(scancode_set));
} else {
set_scancode_set(b);
}
break;
case 0xF2: // read ID
cmd_ack();
break;
case 0xF3: // set typematic rate/delay
unsigned char td, tr_a, tr_b;
cmd_ack();
keyboard -> read(&b);
td = b >> 5;
tr_a = (b & 0x00011000) >> 3;
tr_b = (b & 0x00000111);
if (td == 3) set_typematic_delay(1000);
else if (td == 2) set_typematic_delay(750);
else if (td == 1) set_typematic_delay(500);
else set_typematic_delay(250);
set_typematic_delay((pow(2, tr_a) * (8 + tr_b)) / 240);
break;
case 0xF4: // enable
cmd_ack();
enabled = true;
buf_length = 0;
break;
case 0xF5: // disable and set defaults (not full BAT)
cmd_ack();
set_defaults();
enabled = false;
break;
case 0xF6: // set defaults and reset w/full test
cmd_ack();
run_bat();
break;
case 0xF7: // SC MODE 3 ONLY: set all keys type typematic
cmd_ack();
break;
case 0xF8: // SC MODE 3 ONLY: set all keys type make/break
cmd_ack();
break;
case 0xF9: // SC MODE 3 ONLY: set all keys type make
cmd_ack();
break;
case 0xFA: // SC MODE 3 ONLY: set all keys type make/break/typematic
cmd_ack();
break;
case 0xFB: // SC MODE 3 ONLY: set key type typematic
cmd_ack();
break;
case 0xFC: // SC MODE 3 ONLY: set key type make/break
cmd_ack();
break;
case 0xFD: // SC MODE 3 ONLY: set key type make
cmd_ack();
break;
case 0xFE: // resend
while (keyboard -> write(last_sent_byte) != 0);
break;
case 0xFF: // reset w/full test
cmd_ack();
run_bat();
break;
default: // unknown, hmm
//cmd_ack();
cmd_resend();
}
}
