88 lines
1.8 KiB
C
88 lines
1.8 KiB
C
/*
|
|
* 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 *shell, 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(shell, "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(shell, "Failed to setup DAC channel (err %d)", err);
|
|
return err;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int cmd_write_value(const struct shell *shell, 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(shell, "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(shell, "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);
|