uvos/libeismultiplexer
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add channel count and device listing functions

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This commit is contained in:
Carl Philipp Klemm 2025-06-30 15:28:48 +02:00
parent db4981628f
commit f69011d589
5 changed files with 121 additions and 0 deletions
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28
main.c
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@ -80,6 +80,8 @@ void print_commands(void)
puts("get\t\t\t | get the state of all channels");
puts("read [ADDRESS] [LENGTH]\t | read from the device eeprom at address");
puts("write [ADDRESS] [LENGTH] | write to the device eeprom at address");
puts("list | list the serial nummbers of the connected devices");
puts("channels | get the channel of the device");
}
static int process_commands(char** commands, size_t command_count, struct eismultiplexer* multiplexer, char* name)
@ -159,6 +161,32 @@ static int process_commands(char** commands, size_t command_count, struct eismul
printf("Channel %c: %s\n", (char)('A'+i), connected ? "on" : "off");
}
}
else if(strcmp(commands[0], "channels") == 0)
{
uint16_t channels;
if(eismultiplexer_get_channel_count(multiplexer, &channels) < 0)
{
printf("could not get the number of channels\n");
return 3;
}
printf("The connected device has %u channels\n", channels);
}
else if(strcmp(commands[0], "list") == 0)
{
size_t count;
uint16_t* serials = eismultiplexer_list_available_devices(&count);
if(count == 0)
{
printf("No devices connected\n");
return 3;
}
printf("Connected devices:\n");
for(size_t i = 0; i < count; ++i)
printf("%04u\n", serials[i]);
free(serials);
}
else
{
if(command_count != 2)