blob: 187207a8354990d95d5f49fb5b492a9094c777ed [file] [log] [blame]
/*
* Copyright (c) 2019 Alexander Wachter
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/sys/printk.h>
#include <zephyr/shell/shell.h>
#include <zephyr/drivers/hwinfo.h>
#include <zephyr/types.h>
#include <zephyr/logging/log.h>
static int cmd_get_device_id(const struct shell *sh, size_t argc, char **argv)
{
uint8_t dev_id[16];
ssize_t length;
int i;
length = hwinfo_get_device_id(dev_id, sizeof(dev_id));
if (length == -ENOTSUP) {
shell_error(sh, "Not supported by hardware");
return -ENOTSUP;
} else if (length < 0) {
shell_error(sh, "Error: %zd", length);
return length;
}
shell_fprintf(sh, SHELL_NORMAL, "Length: %zd\n", length);
shell_fprintf(sh, SHELL_NORMAL, "ID: 0x");
for (i = 0 ; i < length ; i++) {
shell_fprintf(sh, SHELL_NORMAL, "%02x", dev_id[i]);
}
shell_fprintf(sh, SHELL_NORMAL, "\n");
return 0;
}
static inline const char *cause_to_string(uint32_t cause)
{
switch (cause) {
case RESET_PIN:
return "pin";
case RESET_SOFTWARE:
return "software";
case RESET_BROWNOUT:
return "brownout";
case RESET_POR:
return "power-on reset";
case RESET_WATCHDOG:
return "watchdog";
case RESET_DEBUG:
return "debug";
case RESET_SECURITY:
return "security";
case RESET_LOW_POWER_WAKE:
return "low power wake-up";
case RESET_CPU_LOCKUP:
return "CPU lockup";
case RESET_PARITY:
return "parity error";
case RESET_PLL:
return "PLL error";
case RESET_CLOCK:
return "clock";
default:
return "unknown";
}
}
static void print_all_reset_causes(const struct shell *sh, uint32_t cause)
{
for (uint32_t cause_mask = 1; cause_mask; cause_mask <<= 1) {
if (cause & cause_mask) {
shell_print(sh, "- %s",
cause_to_string(cause & cause_mask));
}
}
}
static int cmd_show_reset_cause(const struct shell *sh, size_t argc,
char **argv)
{
int res;
uint32_t cause;
ARG_UNUSED(argc);
ARG_UNUSED(argv);
res = hwinfo_get_reset_cause(&cause);
if (res == -ENOTSUP) {
shell_error(sh, "Not supported by hardware");
return res;
} else if (res != 0) {
shell_error(sh, "Error reading the cause [%d]", res);
return res;
}
if (cause != 0) {
shell_print(sh, "reset caused by:");
print_all_reset_causes(sh, cause);
} else {
shell_print(sh, "No reset cause set");
}
return 0;
}
static int cmd_clear_reset_cause(const struct shell *sh, size_t argc,
char **argv)
{
int res;
ARG_UNUSED(argc);
ARG_UNUSED(argv);
res = hwinfo_clear_reset_cause();
if (res == -ENOTSUP) {
shell_error(sh, "Not supported by hardware");
} else if (res != 0) {
shell_error(sh, "Error clearing the reset causes [%d]", res);
return res;
}
return 0;
}
static int cmd_supported_reset_cause(const struct shell *sh, size_t argc,
char **argv)
{
uint32_t cause;
int res;
ARG_UNUSED(argc);
ARG_UNUSED(argv);
res = hwinfo_get_supported_reset_cause(&cause);
if (res == -ENOTSUP) {
shell_error(sh, "Not supported by hardware");
} else if (res != 0) {
shell_error(sh, "Could not get the supported reset causes [%d]", res);
return res;
}
if (cause != 0) {
shell_print(sh, "supported reset causes:");
print_all_reset_causes(sh, cause);
} else {
shell_print(sh, "No causes supported");
}
return 0;
}
SHELL_STATIC_SUBCMD_SET_CREATE(sub_reset_cause,
SHELL_CMD_ARG(show, NULL, "Show persistent reset causes",
cmd_show_reset_cause, 1, 0),
SHELL_CMD_ARG(clear, NULL, "Clear all persistent reset causes",
cmd_clear_reset_cause, 1, 0),
SHELL_CMD_ARG(supported, NULL,
"Get a list of all supported reset causes",
cmd_supported_reset_cause, 1, 0),
SHELL_SUBCMD_SET_END /* Array terminated. */
);
SHELL_STATIC_SUBCMD_SET_CREATE(sub_hwinfo,
SHELL_CMD_ARG(devid, NULL, "Show device id", cmd_get_device_id, 1, 0),
SHELL_CMD_ARG(reset_cause, &sub_reset_cause, "Reset cause commands",
cmd_show_reset_cause, 1, 0),
SHELL_SUBCMD_SET_END /* Array terminated. */
);
SHELL_CMD_ARG_REGISTER(hwinfo, &sub_hwinfo, "HWINFO commands", NULL, 2, 0);