zephyr/drivers/hwinfo/hwinfo_shell.c

48 lines
1.1 KiB
C

/*
* Copyright (c) 2019 Alexander Wachter
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <misc/printk.h>
#include <shell/shell.h>
#include <hwinfo.h>
#include <zephyr/types.h>
#include <logging/log.h>
static int cmd_get_device_id(const struct shell *shell, size_t argc, char **argv)
{
u8_t dev_id[16];
ssize_t length;
int i;
length = hwinfo_get_device_id(dev_id, sizeof(dev_id));
if (length == -ENOTSUP) {
shell_error(shell, "Not supported by hardware");
return -ENOTSUP;
} else if (length < 0) {
shell_error(shell, "Error: %d", length);
return length;
}
shell_fprintf(shell, SHELL_NORMAL, "Length: %d\n", length);
shell_fprintf(shell, SHELL_NORMAL, "ID: 0x");
for (i = 0 ; i < length ; i++) {
shell_fprintf(shell, SHELL_NORMAL, "%x", dev_id[i]);
}
shell_fprintf(shell, SHELL_NORMAL, "\n");
return 0;
}
SHELL_CREATE_STATIC_SUBCMD_SET(sub_hwinfo) {
/* Alphabetically sorted. */
SHELL_CMD_ARG(devid, NULL, "Show device id", cmd_get_device_id, 1, 0),
SHELL_SUBCMD_SET_END /* Array terminated. */
};
SHELL_CMD_ARG_REGISTER(hwinfo, &sub_hwinfo, "HWINFO commands", NULL, 2, 0);