257 lines
7.3 KiB
C
257 lines
7.3 KiB
C
/*
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* Copyright (c) 2023, The OpenThread Authors.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file
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* This file implements the OpenThread platform abstraction for miscellaneous behaviors.
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*/
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#include <openthread-core-config.h>
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#include <openthread/platform/misc.h>
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#if defined(SL_COMPONENT_CATALOG_PRESENT)
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#include "sl_component_catalog.h"
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#endif
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#if defined(SL_CATALOG_GECKO_BOOTLOADER_INTERFACE_PRESENT)
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#include "btl_interface.h"
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#endif
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#if defined(SL_CATALOG_EMLIB_RMU_PRESENT)
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#include "em_rmu.h"
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#else
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#include "sl_hal_emu.h"
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#endif
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#include "platform-efr32.h"
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#if SL_OPENTHREAD_ENABLE_HOST_WAKE_GPIO
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#include "sl_gpio.h"
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#include "sl_sleeptimer.h"
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static sl_sleeptimer_timer_handle_t wake_timer;
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extern sl_gpio_t host_wakeup_gpio;
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#endif
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static uint32_t sResetCause;
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void efr32MiscInit(void)
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{
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#if defined(_SILICON_LABS_32B_SERIES_2)
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// Read the cause of last reset.
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sResetCause = RMU_ResetCauseGet();
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// Clear the register, as the causes cumulate over resets.
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RMU_ResetCauseClear();
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#else
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// Read the cause of last reset.
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sResetCause = sl_hal_emu_get_reset_cause();
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// Clear the register, as the causes cumulate over resets.
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sl_hal_emu_clear_reset_cause();
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#endif
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}
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void otPlatReset(otInstance *aInstance)
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{
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OT_UNUSED_VARIABLE(aInstance);
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NVIC_SystemReset();
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}
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OT_TOOL_WEAK void bootloader_rebootAndInstall(void)
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{
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// Weak stub function
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// This should be discarded in favor of the function definition in bootloader_interface code, when that component is
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// used
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}
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otError otPlatResetToBootloader(otInstance *aInstance)
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{
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OT_UNUSED_VARIABLE(aInstance);
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bootloader_rebootAndInstall();
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// This should only be reached if the bootloader_interface component is not present.
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// When it is present, the stubbed bootloader_rebootAndInstall above is not used.
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// Instead, the non-weak definition of the function in the component is used, causing
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// the device to reset.
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return OT_ERROR_NOT_CAPABLE;
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}
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otPlatResetReason otPlatGetResetReason(otInstance *aInstance)
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{
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OT_UNUSED_VARIABLE(aInstance);
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otPlatResetReason reason = OT_PLAT_RESET_REASON_UNKNOWN;
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#if defined(_EMU_RSTCAUSE_MASK)
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if (sResetCause & EMU_RSTCAUSE_POR)
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{
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reason = OT_PLAT_RESET_REASON_POWER_ON;
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}
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else if (sResetCause & EMU_RSTCAUSE_SYSREQ)
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{
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reason = OT_PLAT_RESET_REASON_SOFTWARE;
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}
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else if ((sResetCause & EMU_RSTCAUSE_WDOG0) || (sResetCause & EMU_RSTCAUSE_WDOG1))
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{
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reason = OT_PLAT_RESET_REASON_WATCHDOG;
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}
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else if (sResetCause & EMU_RSTCAUSE_PIN)
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{
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reason = OT_PLAT_RESET_REASON_EXTERNAL;
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}
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else if (sResetCause & EMU_RSTCAUSE_LOCKUP)
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{
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reason = OT_PLAT_RESET_REASON_FAULT;
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}
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/* clang-format off */
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else if ((sResetCause & EMU_RSTCAUSE_AVDDBOD)
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|| (sResetCause & EMU_RSTCAUSE_DECBOD)
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|| (sResetCause & EMU_RSTCAUSE_DVDDBOD)
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|| (sResetCause & EMU_RSTCAUSE_DVDDLEBOD)
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|| (sResetCause & EMU_RSTCAUSE_EM4))
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/* clang-format on */
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{
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reason = OT_PLAT_RESET_REASON_OTHER;
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}
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#endif
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#if defined(_RMU_RSTCAUSE_MASK)
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if (sResetCause & RMU_RSTCAUSE_PORST)
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{
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reason = OT_PLAT_RESET_REASON_POWER_ON;
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}
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else if (sResetCause & RMU_RSTCAUSE_SYSREQRST)
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{
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reason = OT_PLAT_RESET_REASON_SOFTWARE;
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}
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else if (sResetCause & RMU_RSTCAUSE_WDOGRST)
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{
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reason = OT_PLAT_RESET_REASON_WATCHDOG;
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}
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else if (sResetCause & RMU_RSTCAUSE_EXTRST)
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{
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reason = OT_PLAT_RESET_REASON_EXTERNAL;
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}
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else if (sResetCause & RMU_RSTCAUSE_LOCKUPRST)
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{
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reason = OT_PLAT_RESET_REASON_FAULT;
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}
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/* clang-format off */
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else if ((sResetCause & RMU_RSTCAUSE_AVDDBOD)
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|| (sResetCause & RMU_RSTCAUSE_DECBOD)
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|| (sResetCause & RMU_RSTCAUSE_DVDDBOD)
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|| (sResetCause & RMU_RSTCAUSE_EM4RST))
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/* clang-format on */
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{
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reason = OT_PLAT_RESET_REASON_OTHER;
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}
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#endif
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return reason;
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}
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// Timer callback function to clear the GPIO pin
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#if SL_OPENTHREAD_ENABLE_HOST_WAKE_GPIO
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static void clearWakeHostPin(sl_sleeptimer_timer_handle_t *handle, void *data)
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{
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(void)handle;
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(void)data;
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// Clear the GPIO pin
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sl_gpio_clear_pin(&host_wakeup_gpio);
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}
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#endif
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OT_TOOL_WEAK void otPlatEfrWakeHost(void)
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{
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// Set the GPIO pin to wake up the host
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#if SL_OPENTHREAD_ENABLE_HOST_WAKE_GPIO
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sl_gpio_set_pin(&host_wakeup_gpio);
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// Start a timer to clear the GPIO pin after the timeout
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sl_sleeptimer_start_timer_ms(&wake_timer, SL_OPENTHREAD_HOST_CLEAR_PIN_TIMEOUT_MS, clearWakeHostPin, NULL, 0, 0);
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#endif
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}
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void otPlatWakeHost(void)
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{
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otPlatEfrWakeHost();
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}
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OT_TOOL_WEAK void otCliOutputFormat(const char *aFmt, ...)
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{
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OT_UNUSED_VARIABLE(aFmt);
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// do nothing
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}
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OT_TOOL_WEAK void otCliPlatLogv(otLogLevel aLogLevel, otLogRegion aLogRegion, const char *aFormat, va_list aArgs)
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{
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OT_UNUSED_VARIABLE(aLogLevel);
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OT_UNUSED_VARIABLE(aLogRegion);
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OT_UNUSED_VARIABLE(aFormat);
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OT_UNUSED_VARIABLE(aArgs);
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// do nothing
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}
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OT_TOOL_WEAK void efr32UartProcess(void)
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{
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// do nothing
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}
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otError railStatusToOtError(RAIL_Status_t status)
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{
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switch (status)
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{
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case RAIL_STATUS_NO_ERROR:
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return OT_ERROR_NONE;
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case RAIL_STATUS_INVALID_PARAMETER:
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return OT_ERROR_INVALID_ARGS;
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case RAIL_STATUS_INVALID_STATE:
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return OT_ERROR_INVALID_STATE;
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case RAIL_STATUS_INVALID_CALL:
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case RAIL_STATUS_SUSPENDED:
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case RAIL_STATUS_SCHED_ERROR:
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default:
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return OT_ERROR_FAILED;
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}
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}
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#if OPENTHREAD_CONFIG_PLATFORM_LOG_CRASH_DUMP_ENABLE
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otError otPlatLogCrashDump(void)
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{
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otError error = OT_ERROR_NONE;
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#if defined(SL_CATALOG_OT_CRASH_HANDLER_PRESENT)
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efr32PrintResetInfo();
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#else
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error = OT_ERROR_NOT_CAPABLE;
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#endif
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return error;
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}
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#endif
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