diff options
Diffstat (limited to 'libs/surfaces/tranzport/tranzport_control_protocol.cc')
| -rw-r--r-- | libs/surfaces/tranzport/tranzport_control_protocol.cc | 275 |
1 files changed, 195 insertions, 80 deletions
diff --git a/libs/surfaces/tranzport/tranzport_control_protocol.cc b/libs/surfaces/tranzport/tranzport_control_protocol.cc index eee60c43eb..34ba54c8b6 100644 --- a/libs/surfaces/tranzport/tranzport_control_protocol.cc +++ b/libs/surfaces/tranzport/tranzport_control_protocol.cc @@ -34,6 +34,8 @@ TranzportControlProtocol::TranzportControlProtocol (Session& s) wheel_shift_mode = WheelShiftGain; timerclear (&last_wheel_motion); last_wheel_dir = 1; + display_mode = DisplayNormal; + requested_display_mode = display_mode; memset (current_screen, 0, sizeof (current_screen)); @@ -60,6 +62,15 @@ TranzportControlProtocol::init () return -1; } + lcd_clear (); + + print (0, 0, "Welcome to"); + print (1, 0, "Ardour"); + + show_wheel_mode(); + next_track (); + show_transport_time (); + /* outbound thread */ init_thread (); @@ -85,17 +96,124 @@ TranzportControlProtocol::send_route_feedback (list<Route*>& routes) void TranzportControlProtocol::send_global_feedback () { - if (_device_status == STATUS_OFFLINE) { - return; + if (requested_display_mode != display_mode) { + switch (requested_display_mode) { + case DisplayNormal: + enter_normal_display_mode (); + break; + case DisplayBigMeter: + enter_big_meter_mode (); + break; + } } - show_transport_time (); + switch (display_mode) { + case DisplayBigMeter: + show_meter (); + break; + + case DisplayNormal: + show_transport_time (); + if (session.soloing()) { + light_on (LightAnysolo); + } else { + light_off (LightAnysolo); + } + break; + } +} + +void +TranzportControlProtocol::next_display_mode () +{ + cerr << "Next display mode\n"; + + switch (display_mode) { + case DisplayNormal: + requested_display_mode = DisplayBigMeter; + break; + + case DisplayBigMeter: + requested_display_mode = DisplayNormal; + break; + } +} - if (session.soloing()) { - light_on (LightAnysolo); +void +TranzportControlProtocol::enter_big_meter_mode () +{ + lcd_clear (); + lights_off (); + display_mode = DisplayBigMeter; +} + +void +TranzportControlProtocol::enter_normal_display_mode () +{ + lcd_clear (); + lights_off (); + show_current_track (); + show_wheel_mode (); + show_transport_time (); + display_mode = DisplayNormal; +} + + +float +log_meter (float db) +{ + float def = 0.0f; /* Meter deflection %age */ + + if (db < -70.0f) { + def = 0.0f; + } else if (db < -60.0f) { + def = (db + 70.0f) * 0.25f; + } else if (db < -50.0f) { + def = (db + 60.0f) * 0.5f + 2.5f; + } else if (db < -40.0f) { + def = (db + 50.0f) * 0.75f + 7.5f; + } else if (db < -30.0f) { + def = (db + 40.0f) * 1.5f + 15.0f; + } else if (db < -20.0f) { + def = (db + 30.0f) * 2.0f + 30.0f; + } else if (db < 6.0f) { + def = (db + 20.0f) * 2.5f + 50.0f; } else { - light_off (LightAnysolo); + def = 115.0f; } + + /* 115 is the deflection %age that would be + when db=6.0. this is an arbitrary + endpoint for our scaling. + */ + + return def/115.0f; +} + +void +TranzportControlProtocol::show_meter () +{ + if (current_route == 0) { + return; + } + + float level = current_route->peak_input_power (0); + float fraction = log_meter (level); + int fill = (int) floor (fraction * 20); + char buf[21]; + int i; + + for (i = 0; i < fill; ++i) { + buf[i] = 0x70; /* tranzport special code for 4 quadrant LCD block */ + } + for (; i < 20; ++i) { + buf[i] = ' '; + } + + buf[21] = '\0'; + + print (0, 0, buf); + print (1, 0, buf); } void @@ -141,33 +259,6 @@ TranzportControlProtocol::thread_work () { PBD::ThreadCreated (pthread_self(), X_("tranzport monitor")); - /* wait for the device to go online */ - - while (true) { - if (read()) { - return 0; - } - switch (_device_status) { - case STATUS_OFFLINE: - cerr << "tranzport offline\n"; - break; - case STATUS_ONLINE: - case 0: - cerr << "tranzport online\n"; - break; - default: - cerr << "tranzport: unknown status\n"; - break; - } - - if (_device_status == STATUS_ONLINE || _device_status == 0) { - break; - } - } - - lcd_clear (); - show_wheel_mode(); - while (true) { if (read ()) { break; @@ -217,6 +308,13 @@ TranzportControlProtocol::open_core (struct usb_device* dev) return -1; } + if (usb_set_configuration (udev, 1) < 0) { + error << _("Tranzport: cannot configure USB interface") << endmsg; + usb_close (udev); + udev = 0; + return -1; + } + return 0; } @@ -276,7 +374,8 @@ TranzportControlProtocol::lcd_clear () cmd[7] = 0x00; { - LockMonitor lm (write_lock, __LINE__, __FILE__); + LockMonitor lp (print_lock, __LINE__, __FILE__); + LockMonitor lw (write_lock, __LINE__, __FILE__); for (uint8_t i = 0; i < 10; ++i) { cmd[2] = i; @@ -287,35 +386,16 @@ TranzportControlProtocol::lcd_clear () } } -int -TranzportControlProtocol::lcd_write (int row, int col, uint8_t cell, const char* text) +void +TranzportControlProtocol::lights_off () { - uint8_t cmd[8]; - - if (cell > 9) { - return -1; - } - - if (memcmp (text, ¤t_screen[row][col], 4)) { - - current_screen[row][col] = text[0]; - current_screen[row][col+1] = text[1]; - current_screen[row][col+2] = text[2]; - current_screen[row][col+3] = text[3]; - - cmd[0] = 0x00; - cmd[1] = 0x01; - cmd[2] = cell; - cmd[3] = text[0]; - cmd[4] = text[1]; - cmd[5] = text[2]; - cmd[6] = text[3]; - cmd[7] = 0x00; - - return write (cmd, 500); - } - - return 0; + light_off (LightRecord); + light_off (LightTrackrec); + light_off (LightTrackmute); + light_off (LightTracksolo); + light_off (LightAnysolo); + light_off (LightLoop); + light_off (LightPunch); } int @@ -865,7 +945,11 @@ TranzportControlProtocol::button_event_fastforward_release (bool shifted) void TranzportControlProtocol::button_event_stop_press (bool shifted) { - session.request_transport_speed (0.0); + if (shifted) { + next_display_mode (); + } else { + session.request_transport_speed (0.0); + } } void @@ -1039,9 +1123,17 @@ void TranzportControlProtocol::shuttle () { if (_datawheel < WheelDirectionThreshold) { - session.request_transport_speed (session.transport_speed() + 0.1); + if (session.transport_speed() < 0) { + session.request_transport_speed (1.0); + } else { + session.request_transport_speed (session.transport_speed() + 0.1); + } } else { - session.request_transport_speed (session.transport_speed() - 0.1); + if (session.transport_speed() > 0) { + session.request_transport_speed (-1.0); + } else { + session.request_transport_speed (session.transport_speed() - 0.1); + } } } @@ -1254,23 +1346,46 @@ TranzportControlProtocol::print (int row, int col, const char *text) int offset = col % 4; - /* copy current cell contents into tmp */ - - memcpy (tmp, ¤t_screen[row][base_col], 4); - - /* overwrite with new text */ + { - uint32_t tocopy = min ((4U - offset), left); + LockMonitor lm (print_lock, __LINE__, __FILE__); - memcpy (tmp+offset, text, tocopy); - - cell += (row * 5); - - lcd_write (row, base_col, cell, tmp); - - text += tocopy; - left -= tocopy; - col += tocopy; + /* copy current cell contents into tmp */ + + memcpy (tmp, ¤t_screen[row][base_col], 4); + + /* overwrite with new text */ + + uint32_t tocopy = min ((4U - offset), left); + + memcpy (tmp+offset, text, tocopy); + + uint8_t cmd[8]; + + /* compare with current screen */ + + if (memcmp (tmp, ¤t_screen[row][base_col], 4)) { + + /* different, so update */ + + memcpy (¤t_screen[row][base_col], tmp, 4); + + cmd[0] = 0x00; + cmd[1] = 0x01; + cmd[2] = cell + (row * 5); + cmd[3] = tmp[0]; + cmd[4] = tmp[1]; + cmd[5] = tmp[2]; + cmd[6] = tmp[3]; + cmd[7] = 0x00; + + write (cmd, 500); + } + + text += tocopy; + left -= tocopy; + col += tocopy; + } } } |