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