109 lines
3.1 KiB
C
109 lines
3.1 KiB
C
/*
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* Copyright (c) 2018 Nordic Semiconductor ASA
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/sys/reboot.h>
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#include <openthread/instance.h>
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#include <openthread/platform/misc.h>
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#if defined(CONFIG_OPENTHREAD_PLATFORM_BOOTLOADER_MODE_RETENTION)
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#include <zephyr/retention/bootmode.h>
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#elif defined(CONFIG_OPENTHREAD_PLATFORM_BOOTLOADER_MODE_GPIO)
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BUILD_ASSERT(DT_HAS_COMPAT_STATUS_OKAY(openthread_config),
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"`openthread,config` compatible node not found");
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BUILD_ASSERT(DT_NODE_HAS_PROP(DT_COMPAT_GET_ANY_STATUS_OKAY(openthread_config), bootloader_gpios),
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"`bootloader-gpios` property missing from `openthread,config` compatible node");
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#include <zephyr/drivers/gpio.h>
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static const struct gpio_dt_spec bootloader_gpio =
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GPIO_DT_SPEC_GET(DT_COMPAT_GET_ANY_STATUS_OKAY(openthread_config),
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bootloader_gpios);
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#endif
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#include "platform-zephyr.h"
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void otPlatReset(otInstance *aInstance)
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{
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ARG_UNUSED(aInstance);
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/* This function does nothing on the Posix platform. */
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sys_reboot(SYS_REBOOT_WARM);
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}
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#if defined(CONFIG_OPENTHREAD_PLATFORM_BOOTLOADER_MODE)
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otError otPlatResetToBootloader(otInstance *aInstance)
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{
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OT_UNUSED_VARIABLE(aInstance);
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#if defined(CONFIG_OPENTHREAD_PLATFORM_BOOTLOADER_MODE_RETENTION)
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if (bootmode_set(BOOT_MODE_TYPE_BOOTLOADER)) {
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return OT_ERROR_NOT_CAPABLE;
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}
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sys_reboot(SYS_REBOOT_WARM);
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#elif defined(CONFIG_OPENTHREAD_PLATFORM_BOOTLOADER_MODE_GPIO)
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/*
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* To enable resetting to bootloader by triggering gpio pin,
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* select `CONFIG_OPENTHREAD_PLATFORM_BOOTLOADER_MODE_GPIO=y`,
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* and in Devicetree create `openthread` node in `/options/` path with
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* `compatible = "openthread,config"` property and `bootloader-gpios` property,
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* which should represent GPIO pin's configuration,
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* containing controller phandle, pin number and pin flags. e.g:
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*
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* options {
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* openthread {
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* compatible = "openthread,config";
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* bootloader-gpios = <&gpio0 0 GPIO_ACTIVE_HIGH>;
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* };
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* };
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*
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* Note: in below implementation, chosen GPIO pin is configured as output
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* and initialized to active state (logical value ‘1’).
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* Configuring pin flags in `bootloader-gpios` allows to choose
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* if pin should be active in high or in low state.
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*/
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if (!gpio_is_ready_dt(&bootloader_gpio)) {
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return OT_ERROR_NOT_CAPABLE;
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}
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gpio_pin_configure_dt(&bootloader_gpio, GPIO_OUTPUT_ACTIVE);
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#endif
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/*
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* Return OT_ERROR_NOT_CAPABLE if resetting has been unsuccessful (invalid configuration or
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* triggering reset had no effect)
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*/
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return OT_ERROR_NOT_CAPABLE;
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}
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#endif /* defined(CONFIG_OPENTHREAD_PLATFORM_BOOTLOADER_MODE) */
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otPlatResetReason otPlatGetResetReason(otInstance *aInstance)
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{
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ARG_UNUSED(aInstance);
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return OT_PLAT_RESET_REASON_POWER_ON;
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}
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void otPlatWakeHost(void)
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{
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/* TODO */
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}
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void otPlatAssertFail(const char *aFilename, int aLineNumber)
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{
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/*
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* The code below is used instead of __ASSERT(false) to print the actual assert
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* location instead of __FILE__:__LINE__, which would point to this function.
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*/
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__ASSERT_PRINT("OpenThread ASSERT @ %s:%d\n", aFilename, aLineNumber);
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__ASSERT_POST_ACTION();
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}
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