void mode_0(void) {
uint8_t dmx_index = (uint8_t) 0;
bool dmx_new_data = false;
if (midi_get_active_sense_state() == MIDI_ACTIVE_SENSE_FAILED) {
if (!midi_active_sense_failed) {
dmx_set_port_direction(DMX_PORT_DIRECTION_OUTP, false);
midi_active_sense_failed = true;
}
} else if (midi_active_sense_failed) {
dmx_set_port_direction(DMX_PORT_DIRECTION_OUTP, true);
midi_active_sense_failed = false;
}
if (midi_read_channel(midi_channel)) {
if (midi_message->channel != 0 ) {
// Channel messages
switch (midi_message->type) {
case MIDI_TYPES_NOTE_OFF:
dmx_index = dmx_start_address + midi_message->data1; // MIDI Channel starts with 0, DMX address starts with 1
if (dmx_index <= DMX_UNIVERSE_SIZE) { // we skip SC
dmx_data[dmx_index] = (uint8_t) 0;
}
dmx_new_data = true;
break;
case MIDI_TYPES_NOTE_ON:
dmx_index = dmx_start_address + midi_message->data1;
if (dmx_index <= DMX_UNIVERSE_SIZE) { // we skip SC
uint8_t data = midi_message->data2 << 1;
dmx_data[dmx_index] = data;
}
dmx_new_data = true;
break;
case MIDI_TYPES_CONTROL_CHANGE: {
switch (midi_message->data1) {
case MIDI_CONTROL_CHANGE_ALL_NOTES_OFF:
clear_dmx_data();
dmx_new_data = true;
break;
default:
break;
}
break;
}
default:
break;
}
if (dmx_new_data) {
dmx_set_send_data(dmx_data, 1 + dmx_max_slot);
}
}
}
}
/**
*
* Output Only Send DMX Packet Request (label = 6 \ref OUTPUT_ONLY_SEND_DMX_PACKET_REQUEST)
*
* This message requests the Widget to periodically send a DMX packet out of the Widget DMX port
* at the configured DMX output rate. This message causes the widget to leave the DMX port direction
* as output after each DMX packet is sent, so no DMX packets will be received as a result of this
* request.
*
* The periodic DMX packet output will stop and the Widget DMX port direction will change to input
* when the Widget receives any request message other than the Output Only Send DMX Packet
* request, or the Get Widget Parameters request.
*
* @param data_length DMX data to send, beginning with the start code.
*/
void widget_send_dmx_packet_request_output_only(uint16_t data_length) {
if (widget_send_rdm_packet_start != 0) {
return;
}
monitor_line(MONITOR_LINE_INFO, "OUTPUT_ONLY_SEND_DMX_PACKET_REQUEST");
monitor_line(MONITOR_LINE_STATUS, NULL);
dmx_set_port_direction(DMX_PORT_DIRECTION_OUTP, false);
dmx_set_send_data(widget_data, data_length);
dmx_set_port_direction(DMX_PORT_DIRECTION_OUTP, true);
}
void mode_0_init(void) {
clear_dmx_data();
midi_message = (const struct _midi_message *) midi_message_get();
midi_channel = bridge_params_get_midi_channel();
midi_active_sense_failed = (midi_get_active_sense_state() == MIDI_ACTIVE_SENSE_FAILED);
dmx_start_address = bridge_params_get_dmx_start_address();
dmx_max_slot = (dmx_start_address + (uint16_t) 127) <= DMX_UNIVERSE_SIZE ? (dmx_start_address + (uint16_t) 127) : DMX_UNIVERSE_SIZE + (uint16_t) 1; // SC
dmx_set_port_direction(DMX_PORT_DIRECTION_OUTP, false);
dmx_set_send_data(dmx_data, 1 + dmx_max_slot); // SC + data
dmx_set_port_direction(DMX_PORT_DIRECTION_OUTP, true);
monitor_line(5, "Listening channel : %d %s", midi_channel, midi_channel == 0 ? "<OMNI>" : "");
monitor_line(6, "DMX start address : %d", dmx_start_address);
monitor_line(7, "DMX slots : %d", dmx_max_slot);
}
