int lux_uri_open(const char * uri) {
char buf[512];
uint16_t port;
if (sscanf(uri, "serial://%511s", buf) == 1) {
return lux_serial_open(buf);
} else if (sscanf(uri, "udp://%511[^:]:%hu", buf, &port) == 2) {
return lux_network_open(buf, port);
}
LUX_DEBUG("Invalid uri '%s'", uri);
return -1;
}
static int lux_length(uint32_t lux_id) {
struct lux_packet packet = {
.destination = lux_id,
.command = CMD_GET_LENGTH,
.index = 0,
.payload_length = 0,
};
struct lux_packet response;
int rc = lux_command(lux_fd, &packet, 1, &response);
if (rc < 0 || response.payload_length != 2) {
printf("No/invalid response to length query on %#X\n", lux_id);
return -1;
}
uint16_t length;
memcpy(&length, response.payload, sizeof length);
return length;
}
static int lux_frame(uint32_t lux_id, unsigned char * data, size_t data_size) {
struct lux_packet packet = {
.destination = lux_id,
.command = CMD_FRAME,
.index = 0,
.payload_length = data_size,
};
memcpy(packet.payload, data, data_size);
return lux_write(lux_fd, &packet);
}
int output_lux_init() {
if (lux_fd >= 0) {
// Already connected
return -1;
}
lux_fd = lux_network_open(config.lux.address, config.lux.port);
if (lux_fd < 0) {
printf("ERROR connecting to socket\n");
return -1;
}
printf("Lux initialized\n");
return 0;
}
void output_lux_del() {
if (lux_fd >= 0) {
lux_close(lux_fd);
}
}
int output_lux_enumerate(output_strip_t * strips, int n_strips) {
int found = 0;
for (int i = 0; i < n_strips; i++) {
int length = lux_length(strips[i].id_int);
if (length < 0) {
strips[n_strips].bus &= ~OUTPUT_LUX;
printf("Lux UDP device '%#X' not found\n", strips[i].id_int);
continue;
}
strips[i].bus |= OUTPUT_LUX;
strips[i].length = length;
found++;
printf("Lux UDP device '%#X' with length '%i'\n", strips[i].id_int, length);
}
return found;
}
int output_lux_push(output_strip_t * strip, unsigned char * frame, int length) {
lux_frame(strip->id_int, frame, length);
return 0;
}