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test: Add an example program to inquire UMP Endpoint and Block info

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Provide an example program to inquire UMP Endpoint and Block info in
various APIs.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2024-08-15 16:36:18 +02:00
parent fa673b719c
commit 3e38164ee5
2 changed files with 149 additions and 1 deletions
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test/umpinfo.c Normal file
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// SPDX-License-Identifier: GPL-2.0-or-later
// Inquire UMP Endpoint and Block info in various APIs
#include <stdio.h>
#include <alsa/asoundlib.h>
enum { UNKNOWN, SEQ, RAWMIDI, CTL };
static int mode = UNKNOWN;
static snd_seq_t *seq;
static int client;
static snd_ump_t *ump;
static snd_ctl_t *ctl;
static int get_ump_endpoint_info(snd_ump_endpoint_info_t *ep)
{
switch (mode) {
case SEQ:
return snd_seq_get_ump_endpoint_info(seq, client, ep);
case RAWMIDI:
return snd_ump_endpoint_info(ump, ep);
case CTL:
return snd_ctl_ump_endpoint_info(ctl, ep);
default:
return -EINVAL;
}
}
static int get_ump_block_info(int blk, snd_ump_block_info_t *bp)
{
switch (mode) {
case SEQ:
return snd_seq_get_ump_block_info(seq, client, blk, bp);
case RAWMIDI:
snd_ump_block_info_set_block_id(bp, blk);
return snd_ump_block_info(ump, bp);
case CTL:
snd_ump_block_info_set_block_id(bp, blk);
return snd_ctl_ump_block_info(ctl, bp);
default:
return -EINVAL;
}
}
static void help(void)
{
printf("umpinfo: inquire UMP Endpoint and Block info\n"
" umpinfo -c target inquiry via control API\n"
" umpinfo -m target inquiry via UMP rawmidi API\n"
" umpinfo -s client inquiry via sequencer API\n"
" target = hw:0, etc\n"
" client = sequencer client number\n");
exit(1);
}
int main(int argc, char **argv)
{
const char *target = "hw:0";
snd_ump_endpoint_info_t *ep;
snd_ump_block_info_t *blk;
const unsigned char *s;
int c, i, num_blks;
while ((c = getopt(argc, argv, "s:m:c:h")) >= 0) {
switch (c) {
case 's':
mode = SEQ;
client = atoi(target);
break;
case 'm':
mode = RAWMIDI;
target = optarg;
break;
case 'c':
mode = CTL;
target = optarg;
break;
default:
help();
break;
}
}
switch (mode) {
case SEQ:
if (snd_seq_open(&seq, "default", SND_SEQ_OPEN_DUPLEX, 0)) {
fprintf(stderr, "failed to open sequencer\n");
return 1;
}
break;
case RAWMIDI:
if (snd_ump_open(&ump, NULL, target, 0)) {
fprintf(stderr, "failed to open UMP rawmidi\n");
return 1;
}
break;
case CTL:
if (snd_ctl_open(&ctl, target, 0)) {
fprintf(stderr, "failed to open control\n");
return 1;
}
break;
default:
help();
break;
}
snd_ump_endpoint_info_alloca(&ep);
snd_ump_block_info_alloca(&blk);
if (get_ump_endpoint_info(ep)) {
fprintf(stderr, "failed to get UMP EP info\n");
return 1;
}
printf("Name: %s\n", snd_ump_endpoint_info_get_name(ep));
printf("Product ID: %s\n", snd_ump_endpoint_info_get_product_id(ep));
printf("Flags: 0x%x\n", snd_ump_endpoint_info_get_flags(ep));
printf("Protocol Caps: 0x%x\n", snd_ump_endpoint_info_get_protocol_caps(ep));
printf("Protocol: 0x%x\n", snd_ump_endpoint_info_get_protocol(ep));
printf("Num Blocks: %d\n", snd_ump_endpoint_info_get_num_blocks(ep));
printf("Version: 0x%x\n", snd_ump_endpoint_info_get_version(ep));
printf("Manufacturer ID: 0x%x\n", snd_ump_endpoint_info_get_manufacturer_id(ep));
printf("Family ID: 0x%x\n", snd_ump_endpoint_info_get_family_id(ep));
printf("Model ID: 0x%x\n", snd_ump_endpoint_info_get_model_id(ep));
s = snd_ump_endpoint_info_get_sw_revision(ep);
printf("SW Revision: %02x:%02x:%02x:%02x\n", s[0], s[1], s[2], s[3]);
num_blks = snd_ump_endpoint_info_get_num_blocks(ep);
for (i = 0; i < num_blks; i++) {
if (get_ump_block_info(i, blk)) {
fprintf(stderr, "failed to get UMP Block info for %d\n", i);
continue;
}
printf("\n");
printf("Block ID: %d\n", snd_ump_block_info_get_block_id(blk));
printf("Name: %s\n", snd_ump_block_info_get_name(blk));
printf("Active: %d\n", snd_ump_block_info_get_active(blk));
printf("Flags: 0x%x\n", snd_ump_block_info_get_flags(blk));
printf("Direction: %d\n", snd_ump_block_info_get_direction(blk));
printf("First Group: %d\n", snd_ump_block_info_get_first_group(blk));
printf("Num Groups: %d\n", snd_ump_block_info_get_num_groups(blk));
printf("MIDI-CI Version: %d\n", snd_ump_block_info_get_midi_ci_version(blk));
printf("Sysex8 Streams: %d\n", snd_ump_block_info_get_sysex8_streams(blk));
}
return 0;
}