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Add trigger functionality
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This commit is contained in:
Carl Philipp Klemm 2025-10-07 15:16:23 +02:00
parent 5c42094b06
commit ba13899644
3 changed files with 197 additions and 2 deletions
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40
main.c
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@ -80,8 +80,9 @@ 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");
puts("trigger [INDEX] [STATE]\t | set the trigger state input (0), output and low (1) or output and high(2)");
puts("list\t\t\t | list the serial nummbers of the connected devices");
puts("channels\t\t | get the number of channels the device has");
}
static int process_commands(char** commands, size_t command_count, struct eismultiplexer* multiplexer, char* name)
@ -160,6 +161,14 @@ static int process_commands(char** commands, size_t command_count, struct eismul
bool connected = channels & (1 << i);
printf("Channel %c: %s\n", (char)('A'+i), connected ? "on" : "off");
}
int trigger_count = eismultiplexer_get_trigger_count(multiplexer);
for(int i = 0; i < trigger_count; ++i)
{
trigger_state_t state;
bool level;
eismultiplexer_get_trigger_state(multiplexer, i, &state, &level);
printf("Trigger %i: state: %i level: %i\n", i, state, level);
}
}
else if(strcmp(commands[0], "channels") == 0)
{
@ -187,6 +196,33 @@ static int process_commands(char** commands, size_t command_count, struct eismul
free(serials);
}
else if(strcmp(commands[0], "trigger") == 0)
{
if(command_count < 2)
{
printf("Usage %s %s [INDEX] [STATE]\n", name, commands[0]);
return 2;
}
int trigger_count = eismultiplexer_get_trigger_count(multiplexer);
long index = strtol(commands[1], NULL, 10);
long state = strtol(commands[2], NULL, 10);
if(state >= TRIGGER_STATE_COUNT)
{
printf("%li is an invalid state\n", state);
return 2;
}
if(index >= trigger_count)
{
printf("%li is out of range as the device has only %i triggers\n", index, trigger_count);
return 2;
}
int ret = eismultiplexer_set_trigger_state(multiplexer, index, state);
if(ret < 0)
{
puts("Unable to set trigger state");
return 3;
}
}
else
{
if(command_count != 2)