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/*
* scanout.c
*
* Copyright © 2019 Thomas White <taw@bitwiz.me.uk>
*
* This file is part of NanoLight.
*
* NanoLight is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <libsoup/soup.h>
#include "nanolight.h"
int scanout_all(struct nanolight *nl)
{
SoupSession *sess;
SoupMessage *msg;
int i;
int dmx[512];
char str[8200];
signed int universe = -1;
/* Start from zero */
for ( i=0; i<512; i++ ) dmx[i] = 0;
/* Loop over fixtures and set values */
for ( i=0; i<nl->n_fixtures; i++ ) {
int j;
struct fixture *fix = &nl->fixtures[i];
for ( j=0; j<fix->cls->n_attrs; j++ ) {
/* Minus one to convert DMX address to indexing in 'dmx' array */
int pos = fix->base_addr + fix->cls->attrs[j].addr_offset - 1;
if ( universe < 0 ) universe = fix->universe;
if ( fix->universe != universe ) {
fprintf(stderr, "Sorry, only one universe for now!\n");
abort();
}
if ( fix->cls->attrs[j].props & ATTR_STOP ) {
int v = fix->attr_vals[j];
assert(!(fix->cls->attrs[j].props & ATTR_16BIT));
dmx[pos] = fix->cls->attrs[j].stops[v];
} else if ( fix->cls->attrs[j].props & ATTR_16BIT ) {
dmx[pos] = (fix->attr_vals[j] & 0xff00) >> 8;
dmx[pos+1] = fix->attr_vals[j] & 0xff;
} else {
dmx[pos] = fix->attr_vals[j];
}
}
}
if ( universe == -1 ) return 0; /* Nothing to do! */
/* Loop over DMX channels and prepare request */
snprintf(str, 16, "u=%i&d=", universe);
for ( i=0; i<512; i++ ) {
char tmp[6];
snprintf(tmp, 5, "%i,", dmx[i]);
strcat(str, tmp);
}
/* Send request to OLA */
sess = soup_session_new();
msg = soup_message_new("POST", "http://127.0.0.1:9090/set_dmx");
soup_message_set_request(msg, "application/x-www-form-urlencoded",
SOUP_MEMORY_TEMPORARY, str, strlen(str));
soup_session_send_message(sess, msg);
g_object_unref(msg);
g_object_unref(sess);
return 0;
}
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