156 lines
3.7 KiB
C
156 lines
3.7 KiB
C
/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <time.h>
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#include <stdint.h>
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#include <artnet/artnet.h>
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#define UID_WIDTH 6
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#define UID_COUNT 198
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int verbose = 0 ;
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uint8_t *generate_rdm_tod(int count, int iteration) {
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uint8_t *ptr = malloc(count * UID_WIDTH) ;
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int i ;
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if(ptr == NULL) {
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printf("malloc failed\n") ;
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exit(1) ;
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}
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memset(ptr, 0x00, UID_WIDTH * count ) ;
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for(i = 0 ; i < count; i++) {
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ptr[i * UID_WIDTH +5] = i ;
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ptr[i * UID_WIDTH +4] = iteration ;
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}
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return ptr;
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}
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/*
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* this is hell dodgy, i can't find the rdm spec so I don't know much about the packet structure
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* looking at AL's header files it looks like a RDM packet it 278 bytes. 512 bytes have been allocated
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*
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* In summary: it's up to you to decode the rdm packet and deal with it.
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*
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* TODO: helper library for rdm (grab the spec from ...?)
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*
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*/
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int rdm_handler(artnet_node n, int address, uint8_t *rdm, int length, void *d) {
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printf("got rdm data for address %d, of length %d\n", address, length) ;
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return 0;
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}
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int rdm_initiate(artnet_node n, int port, void *d) {
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uint8_t *tod ;
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int *count = (int*) d ;
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uint8_t uid[UID_WIDTH] ;
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memset(uid, 0x00, UID_WIDTH) ;
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tod = generate_rdm_tod(UID_COUNT, *count) ;
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artnet_add_rdm_devices(n, 0, tod, UID_COUNT) ;
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free(tod) ;
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uid[5] = 0xFF ;
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uid[4] = *count ;
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artnet_add_rdm_device(n,0, uid) ;
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uid[5] = 0x03 ;
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artnet_remove_rdm_device(n,0, uid) ;
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uid[5] = 0x06 ;
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artnet_remove_rdm_device(n,0, uid) ;
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(*count)++ ;
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return 0;
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}
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int main(int argc, char *argv[]) {
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artnet_node node ;
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char *ip_addr = NULL ;
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int optc ;
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uint8_t *tod ;
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int tod_refreshes = 0 ;
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// parse options
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while ((optc = getopt (argc, argv, "va:")) != EOF) {
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switch (optc) {
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case 'a':
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ip_addr = (char *) strdup(optarg) ;
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break;
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case 'v':
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verbose = 1 ;
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break;
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default:
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break;
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}
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}
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node = artnet_new(ip_addr, verbose) ; ;
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artnet_set_short_name(node, "artnet-rdm") ;
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artnet_set_long_name(node, "ArtNet RDM Test, Output Node") ;
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artnet_set_node_type(node, ARTNET_NODE) ;
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// set the first port to output dmx data
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artnet_set_port_type(node, 0, ARTNET_ENABLE_OUTPUT, ARTNET_PORT_DMX) ;
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artnet_set_subnet_addr(node, 0x00) ;
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// set the universe address of the first port
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artnet_set_port_addr(node, 0, ARTNET_OUTPUT_PORT, 0x00) ;
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// set poll reply handler
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// artnet_set_handler(node, ARTNET_REPLY_HANDLER, reply_handler, NULL)
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artnet_set_rdm_initiate_handler(node, rdm_initiate , &tod_refreshes ) ;
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artnet_set_rdm_handler(node, rdm_handler, NULL ) ;
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tod = generate_rdm_tod(UID_COUNT, tod_refreshes++) ;
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artnet_add_rdm_devices(node, 0, tod, UID_COUNT) ;
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artnet_start(node) ;
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artnet_send_tod_control(node, 0x10, ARTNET_TOD_FLUSH) ;
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artnet_send_rdm(node, 0x00 , tod, UID_COUNT* UID_WIDTH) ;
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free(tod) ;
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// loop until control C
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while(1) {
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artnet_read(node, 1) ;
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}
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// never reached
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artnet_destroy(node) ;
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return 0 ;
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}
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