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drivers: hwinfo: Add shell command for device id

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This commit adds support for device id shell command.
Example:
uart:~$ hwinfo devid
Length: 12
ID: 0x1b0320d51485330313420

Signed-off-by: Alexander Wachter <alexander.wachter@student.tugraz.at>
This commit is contained in:
Alexander Wachter 2019-02-04 17:04:05 +01:00 • committed by Anas Nashif
commit 7b1e9e9b34
4 changed files with 56 additions and 0 deletions
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2
drivers/hwinfo/CMakeLists.txt
View file

@ -3,3 +3,5 @@ zephyr_sources_ifdef(CONFIG_HWINFO hwinfo_weak_impl.c)
zephyr_sources_ifdef(CONFIG_HWINFO_STM32 hwinfo_stm32.c)
zephyr_sources_ifdef(CONFIG_HWINFO_NRF hwinfo_nrf.c)
zephyr_sources_ifdef(CONFIG_HWINFO_SHELL hwinfo_shell.c)

5
drivers/hwinfo/Kconfig
View file

@ -13,6 +13,11 @@ menuconfig HWINFO
if HWINFO
config HWINFO_SHELL
bool "Enable HWINFO Shell"
help
Enable hwinfo Shell for testing.
config HWINFO_STM32
bool "STM32 hwinfo"
default y

47
drivers/hwinfo/hwinfo_shell.c Normal file
View file

@ -0,0 +1,47 @@
/*
* 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);