blob: 24ada117b4cf0733d64af109945ea8eeb74dcf16 [file] [log] [blame]
/*
* Copyright (c) 2020 Henrik Brix Andersen <henrik@brixandersen.dk>
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief DAC shell commands.
*/
#include <zephyr/shell/shell.h>
#include <zephyr/drivers/dac.h>
#include <stdlib.h>
struct args_index {
uint8_t device;
uint8_t channel;
uint8_t value;
uint8_t resolution;
};
static const struct args_index args_indx = {
.device = 1,
.channel = 2,
.value = 3,
.resolution = 3,
};
static int cmd_setup(const struct shell *sh, size_t argc, char **argv)
{
struct dac_channel_cfg cfg;
const struct device *dac;
int err;
dac = device_get_binding(argv[args_indx.device]);
if (!dac) {
shell_error(sh, "DAC device not found");
return -EINVAL;
}
cfg.channel_id = strtoul(argv[args_indx.channel], NULL, 0);
cfg.resolution = strtoul(argv[args_indx.resolution], NULL, 0);
err = dac_channel_setup(dac, &cfg);
if (err) {
shell_error(sh, "Failed to setup DAC channel (err %d)", err);
return err;
}
return 0;
}
static int cmd_write_value(const struct shell *sh, size_t argc, char **argv)
{
const struct device *dac;
uint8_t channel;
uint32_t value;
int err;
dac = device_get_binding(argv[args_indx.device]);
if (!dac) {
shell_error(sh, "DAC device not found");
return -EINVAL;
}
channel = strtoul(argv[args_indx.channel], NULL, 0);
value = strtoul(argv[args_indx.value], NULL, 0);
err = dac_write_value(dac, channel, value);
if (err) {
shell_error(sh, "Failed to write DAC value (err %d)", err);
return err;
}
return 0;
}
SHELL_STATIC_SUBCMD_SET_CREATE(dac_cmds,
SHELL_CMD_ARG(setup, NULL, "<device> <channel> <resolution>",
cmd_setup, 4, 0),
SHELL_CMD_ARG(write_value, NULL, "<device> <channel> <value>",
cmd_write_value, 4, 0),
SHELL_SUBCMD_SET_END
);
SHELL_CMD_REGISTER(dac, &dac_cmds, "DAC shell commands", NULL);