/* ----------------------------------------------------------------------------
* receive Art-Net packet
*/
void
artnet_get(void)
{
struct artnet_header *header;
header = (struct artnet_header *) uip_appdata;
/* check the id */
if (strncmp_P((char *) header->id, artnet_ID, 8))
{
ARTNET_DEBUG("Wrong ArtNet header, discarded\r\n");
artnet_status = RC_PARSE_FAIL;
return;
}
switch (header->opcode)
{
case OP_POLL:;
struct artnet_poll *poll;
ARTNET_DEBUG("Received artnet poll packet!\r\n");
poll = (struct artnet_poll *) uip_appdata;
processPollPacket(poll);
break;
case OP_POLLREPLY:;
ARTNET_DEBUG("Received artnet poll reply packet!\r\n");
break;
case OP_OUTPUT:;
uip_ipaddr_t artnet_pollReplyTarget;
struct artnet_dmx *dmx;
ARTNET_DEBUG("Received artnet output packet!\r\n");
dmx = (struct artnet_dmx *) uip_appdata;
uip_ipaddr_copy(&artnet_pollReplyTarget, BUF->srcipaddr);
if (dmx->universe == ((artnet_subNet << 4) | artnet_outputUniverse))
{
if (artnet_dmxDirection == 0)
{
uint16_t len = ((dmx->lengthHi << 8) + dmx->length);
set_dmx_channels((const uint8_t *) &dmx->dataStart,
artnet_outputUniverse, 0, len);
if (artnet_sendPollReplyOnChange == TRUE)
{
artnet_pollReplyCounter++;
artnet_sendPollReply(&artnet_pollReplyTarget);
}
}
}
break;
case OP_ADDRESS:;
case OP_IPPROG:;
break;
default:
ARTNET_DEBUG("Received an invalid artnet packet!\r\n");
break;
}
}
// ----------------------------------------------------------------------------
// receive Art-Net packet
void artnet_get(unsigned char index) {
struct artnet_header *header;
header = (struct artnet_header *)ð_buffer[UDP_DATA_START];
//check the id
if(strcasestr_P((char*)&header->id,PSTR("Art-Net")) == 0){
//ARTNET_DEBUG("Wrong ArtNet header, discarded\r\n");
artnet_status = RC_PARSE_FAIL;
return;
}
switch(header->opcode)
{
//OP_POLL
case (OP_POLL):{
struct artnet_poll *poll;
//ARTNET_DEBUG("Received artnet poll packet!\r\n");
poll = (struct artnet_poll *)ð_buffer[UDP_DATA_START];
processPollPacket(poll);
return;
}
//OP_POLLREPLY
case (OP_POLLREPLY):{
//ARTNET_DEBUG("Received artnet poll reply packet!\r\n");
return;
}
//OP_OUTPUT
case (OP_OUTPUT):{
struct artnet_dmx *dmx;
//ARTNET_DEBUG("Received artnet output packet!\r\n");
dmx = (struct artnet_dmx *)ð_buffer[UDP_DATA_START];
if (dmx->universe == ((artnet_subNet << 4) | artnet_outputUniverse1))
{
if (artnet_dmxDirection == 0)
{
artnet_dmxChannels = (dmx->lengthHi << 8) | dmx->length;
memcpy((unsigned char*)&artnet_dmxUniverse[0], &(dmx->dataStart), artnet_dmxChannels);
if (artnet_dmxTransmitting == FALSE)
{
// setup USART
DMXPort |= (1 << DMXDIR_IO);
DMXPort |= (1 << DMXTXD);
UBRR0 = (F_CPU / (250000* 16L) - 1);
UCSR0C|= (1<<USBS0); //USBS0 2 Stop bits
UCSR0B|= (1<<TXEN0)|(1<<TXCIE0); // TXEN0 Transmitter enable / TXCIE0 TX complete interrupt enable
UDR0 = 0;//start transmitting
artnet_dmxTransmitting = TRUE;
if (artnet_sendPollReplyOnChange == TRUE) {
artnet_pollReplyCounter++;
artnet_sendPollReply();
}
}
isActive = 1;
}
}
return;
}
//OP_ADDRESS
case (OP_ADDRESS):{
struct artnet_address *address;
//ARTNET_DEBUG("Received artnet address packet!\r\n");
address = (struct artnet_address *)ð_buffer[UDP_DATA_START];
//processAddressPacket(address);
return;
}
//OP_IPPROG
case (OP_IPPROG):{
struct artnet_ipprog *ipprog;
//ARTNET_DEBUG("Received artnet ip prog packet!\r\n");
ipprog = (struct artnet_ipprog *)ð_buffer[UDP_DATA_START];
//processIpProgPacket(ipprog);
return;
}
}
}