void main(void) {
uint16_t i;
char usb_char, err;
const char init_msg[] = {'I', 'N', 'I', 'T'};
//extern FILE *stdout = _H_USER; // redirect stdout to USB
init();
storage_init();
display_cnt = 0;
volume_tick = 0;
chan_tick = 0;
usb_tick = 0;
ir_tick = 0;
ir_speedup = 20;
dac_lock_tick = 0;
display_set_alt(0x00, 0x00, 0x00);
display_set(0x00, 0x00, 1);
ir_receiver_init();
err = relay_boards_init(); // as side-effect: determine board Type and Id
amp_state_init();
set_relays(0x00, 0x00, 0x00, 0x00);
display_oled_init();
if (has_oled_display) {
display_oled_chars( 0, 0, 5, "hello");
display_set_alt(DIGIT_D, 0x00, 3);
}
else if (err)
display_set_alt(DIGIT_E, 0x01, 3);
// Globally enable interrupts
#ifdef UseIPEN
INTCONbits.GIEH = 1;
INTCONbits.GIEL = 1;
#else
INTCONbits.PEIE = 1;
INTCONbits.GIE = 1;
#endif
// (re-)launch USB activity
prev_usb_bus_sense = 0;
usb_write(init_msg, (uint8_t) 4);
// The above 'set_relays' enabled the power relay for the analog supply.
#ifdef __DEBUG
power_tick = 0;
#else
power_tick = 120;
#endif
// Set a timer to later undo the mute and activate last volume setting.
// wait some time for stabilization before enabling all other interrupts
while (power_tick > 0)
; // gets decreased on timer interrupts, 183Hz
// power==0 now, from amp_state_init().
// incr power now quickly to 1, and later to 2.
power_incr = 1;
INTCON3bits.INT1IF = 0;
INTCON3bits.INT1IE = 1;
INTCON3bits.INT2IF = 0;
INTCON3bits.INT2IE = 1;
INTCON3bits.INT3IF = 0;
INTCON3bits.INT3IE = 1;
// Check if a DAC is present in this Relaixed, if so initialize.
// This check was delayed to allow DAC power-up, otherwise its i2c interface stays in reset
dac_init();
while (1) {
if (volume_incr)
volume_update();
if (balance_incr > 1 || balance_incr < -1)
// suppress a single tick, might have been by accident
balance_update();
if (channel_incr)
channel_update();
if (power_incr) {
if (flash_tick != 0 && power_incr < 0) {
// quickly save recent volume/balance update
flash_tick = 0;
flash_volume_channel();
} else if (power_incr > 0 && power_state() == 0) {
// if we move power_state from 0 to 1, we surely want to go later to 2
// For RelaixedPassive: wait somewhat longer for its soft-switch main power
power_tick = (isRelaixedXLR) ? 500 : 700;
}
if (power_incr > 0)
dac_init(); // check (again) for presence of DAC: it needs time to get out of reset
power_update();
}
if (ir_received_ok) {
ir_received_ok = 0;
ir_handle_code();
if (volume_incr) {
vol_usb_msg[0] = 'V';
// when 'volume' keeps pressed, the volume-tick-speed goes up
if (ir_speedup <= 49)
ir_speedup += 4;
} else {
vol_usb_msg[0] = 'v';
ir_speedup = 20;
}
byte2hex(vol_usb_msg + 1, ir_tick);
byte2hex(vol_usb_msg + 3, ir_speedup);
if (power_incr)
ir_tick = 100; // increase the default 20 to 100 on power on/off
else
flash_tick = 400;
usb_write(vol_usb_msg, 5);
}
if (flash_tick == 1) {
flash_tick = 0;
flash_volume_channel();
}
if (dac_status() >= DAC_NOLOCK && dac_lock_tick == 0) {
dac_check_lock();
dac_lock_tick = 45; // check lock 4x per secnd
}
/* some I/O to check repeatedly, for absence of interrupt-on-change */
check_usb_power(err);
}
}
void* threadManager(void *thread_arg){
int i;
conn = NULL;
if (DEBUG)
fprintf (stderr, "DEBUG: [mgr-thread] -starting\n");
alsaSetup();
if (ADC_init() < 0) {
fprintf(stderr, "FATAL: ADC: Unable to setup ADC interface\n");
flag_exit++;
return thread_arg;
}
for (i = 0; i < 10 && conn == NULL; i++) {
if (!mgr_mpd_connect()) {
fprintf(stderr, "ERROR: MPD: Unable to connect, reconnecting...\n");
delay(1000);
}
}
if (conn == NULL) {
fprintf(stderr, "FATAL: MPD: Unable to connect to MPD server, exiting...\n");
flag_exit++;
return thread_arg;
}
if (!mgr_mpd_fetch_status( conn, 1 )) {
fprintf(stderr, "ERROR: MPD: Unable to fetch MPD status\n");
mgr_handle_mpd_error();
}
// Read ADC & Update MPD
volume_update();
// Set volume to 0 if it does not play
if (conn != NULL && cur_mpd_player_status != MPD_STATE_PLAY) {
if (DEBUG)
fprintf (stderr, "DEBUG: [mgr-thread] mpd: starting playing...\n");
// set value to 0
if (!mpd_run_set_volume(conn, 0)) {
fprintf(stderr, "ERROR: MPD: Unable to set volume\n");
mgr_handle_mpd_error();
}
// start player
if (!mpd_run_play(conn)) {
fprintf(stderr, "ERROR: MPD: Unable to start playing\n");
mgr_handle_mpd_error();
}
}
mgr_unsetWarmingUp();
if (DEBUG)
fprintf (stderr, "DEBUG: [mgr-thread] +started\n");
while (!flag_exit) {
//////////////////////////////////////////////////////////////////
// Open MPD Connection
//////////////////////////////////////////////////////////////////
if (conn == NULL) {
if (!mgr_mpd_connect()) {
delay(5000);
continue;
}
}
//////////////////////////////////////////////////////////////////
// WARMING?
//////////////////////////////////////////////////////////////////
if (mgr_isWarmingUp()) {
delay(1000);
continue;
}
//////////////////////////////////////////////////////////////////
// RECEIVE STATUS
//////////////////////////////////////////////////////////////////
if (!mgr_mpd_fetch_status( conn, 0 )) {
mgr_handle_mpd_error();
continue;
}
//////////////////////////////////////////////////////////////////
// update volume
//////////////////////////////////////////////////////////////////
volume_update();
//////////////////////////////////////////////////////////////////
// update playlist if needed
//////////////////////////////////////////////////////////////////
if (cur_mpd_stats_number_of_songs != cur_mpd_status_queue_len) {
if (!mqr_update_playlist()) {
fprintf(stderr, "ERROR: MPD: Unable to update playlist\n");
mgr_handle_mpd_error();
return 0;
}
}
//////////////////////////////////////////////////////////////////
// check player timeout
//////////////////////////////////////////////////////////////////
if (cur_mpd_player_status == MPD_STATE_PLAY) {
if (ts_started == 0)
ts_started = time(NULL);
int timeout = 3600;
if (ts_started + timeout < time(NULL)) {
if (!flag_stop) {
if (DEBUG)
fprintf(stderr, "DEBUG: MGR: Timeout reached, stop playing\n");
}
flag_stop++;
}
} else {
ts_started = 0;
}
//////////////////////////////////////////////////////////////////
// START
//////////////////////////////////////////////////////////////////
if (flag_start) {
alsaPlaySound(PCM_SOUND_ID_CLICK);
if (!mpd_run_play(conn)) {
fprintf(stderr, "ERROR: [mgr-thread] mpd: start command failed\n");
mgr_handle_mpd_error();
continue;
}
if (DEBUG)
fprintf(stderr, "DEBUG: [mgr-thread] player started\n");
cur_mpd_player_status = MPD_STATE_PLAY; // for volume control
flag_start = 0;
}
//////////////////////////////////////////////////////////////////
// STOP
if (flag_stop) {
// alsaPlaySound(PCM_SOUND_ID_CLICK);
if (cur_mpd_volume == 0) {
if (DEBUG)
fprintf(stderr, "DEBUG: [mgr-thread] player stopped\n");
if (!mpd_run_pause(conn, true)) {
fprintf(stderr, "ERROR: [mgr-thread] mpd: stop command failed\n");
mgr_handle_mpd_error();
continue;
}
cur_mpd_player_status = MPD_STATE_PAUSE; // for volume control
flag_stop = 0;
}
}
//////////////////////////////////////////////////////////////////
// RANDOM SWTICH MODE (SKIP2)
if (flag_skip2) {
alsaPlaySound(PCM_SOUND_ID_CLICK);
if (!mpd_run_random(conn, (cur_mpd_random > 0 ? false : true) )) {
fprintf(stderr, "ERROR: [mgr-thread] mpd: random command failed\n");
mgr_handle_mpd_error();
continue;
}
cur_mpd_random = cur_mpd_random > 0 ? 0 : 1;
}
//////////////////////////////////////////////////////////////////
// SKIP1 (skip file)
if (flag_skip1 || flag_skip2) {
if (flag_skip1) {
alsaPlaySound(PCM_SOUND_ID_CLICK);
}
if (!mpd_run_next(conn)) {
fprintf(stderr, "ERROR: [mgr-thread] mpd: skip command failed\n");
mgr_handle_mpd_error();
continue;
}
}
flag_skip1 = flag_skip2 = 0;
delay(400); //delay 40 ms
}//end while
if (DEBUG)
fprintf (stderr, "DEBUG: [mgr-thread] thread finished\n");
return thread_arg;
}
void main(void)
{
unsigned int i;
char usb_char, err;
const char init_msg[] = {'I', 'N', 'I', 'T'};
extern FILE *stdout = _H_USER; // redirect stdout to USB
init();
display_cnt = 0;
volume_tick = 0;
chan_tick = 0;
usb_tick = 0;
ir_tick = 0;
display_set( 0x00, 0x00);
display_set_alt( 0x00, 0x00, 0x00);
ir_receiver_init();
storage_init();
err = relay_boards_init();
set_relays(0x00, 0x00, 0x00, 0x00, 0x00);
amp_state_init();
if (err)
display_set_alt( DIGIT_E, 0x01, 3);
// Globally enable interrupts
#ifdef UseIPEN
INTCONbits.GIEH = 1;
INTCONbits.GIEL = 1;
#else
INTCONbits.PEIE = 1;
INTCONbits.GIE = 1;
#endif
// (re-)launch USB activity
prev_usb_bus_sense = 0;
usb_write( init_msg, (byte)4);
// The above 'set_relays' enabled the power relay for the analog supply.
power_tick = 150;
// Set a timer to later undo the mute and activate last volume setting.
// wait some time for stabilization before enabling all other interrupts
while (power_tick > 0)
; // gets decreased on timer interrupts
// power==0 now, from amp_state_init().
// incr power now quickly to 1, and later to 2.
power_incr = 1;
INTCON3bits.INT1IF = 0;
INTCON3bits.INT1IE = 1;
INTCON3bits.INT2IF = 0;
INTCON3bits.INT2IE = 1;
INTCON3bits.INT3IF = 0;
INTCON3bits.INT3IE = 1;
while (1)
{
if (volume_incr)
volume_update();
if (balance_incr > 1 || balance_incr < -1)
// suppress a single tick, might have been by accident
balance_update();
if (channel_incr)
channel_update();
if (power_incr)
{
if (flash_tick && power_incr < 0)
{
// quickly save recent volume/balance update
flash_tick = 0;
flash_volume_channel();
} else if (power_incr > 0 && power_state() == 0)
{
// if we move power_state from 0 to 1, we surely want to go later to 2
power_tick = 500;
}
power_update();
}
if (ir_received_ok)
{
ir_received_ok = 0;
ir_handle_code();
if (power_incr)
ir_tick = 100;
else
flash_tick = 400;
}
if (flash_tick == 1)
{
flash_tick = 0;
flash_volume_channel();
}
/* some I/O to check repeatedly, for absence of interrupt-on-change */
check_usb_power(err);
}
}
