| /* |
| * Copyright (c) 2020, The OpenThread Authors. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the copyright holder nor the |
| * names of its contributors may be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** |
| * @file |
| * @brief |
| * This file includes the platform-specific initializers. |
| */ |
| |
| #include <assert.h> |
| #include <string.h> |
| |
| #include "openthread-system.h" |
| #include <openthread/platform/uart.h> |
| |
| #include "common/logging.hpp" |
| |
| #include "bsp.h" |
| #include "em_chip.h" |
| #include "em_cmu.h" |
| #include "em_core.h" |
| #include "em_emu.h" |
| #include "em_system.h" |
| #include "hal-config.h" |
| #include "hal_common.h" |
| #include "rail.h" |
| #include "sl_mpu.h" |
| #include "sl_sleeptimer.h" |
| |
| #include "openthread-core-efr32-config.h" |
| #include "platform-efr32.h" |
| |
| #if (HAL_FEM_ENABLE) |
| #include "fem-control.h" |
| #endif |
| |
| #define USE_EFR32_LOG \ |
| ((OPENTHREAD_CONFIG_LOG_OUTPUT == OPENTHREAD_CONFIG_LOG_OUTPUT_PLATFORM_DEFINED) || \ |
| (OPENTHREAD_CONFIG_LOG_OUTPUT == OPENTHREAD_CONFIG_LOG_OUTPUT_NCP_SPINEL)) |
| |
| void halInitChipSpecific(void); |
| |
| otInstance *sInstance; |
| static bool (*sCanSleepCallback)(void); |
| |
| void otSysInit(int argc, char *argv[]) |
| { |
| OT_UNUSED_VARIABLE(argc); |
| OT_UNUSED_VARIABLE(argv); |
| sl_status_t status; |
| |
| __disable_irq(); |
| |
| #undef FIXED_EXCEPTION |
| #define FIXED_EXCEPTION(vectorNumber, functionName, deviceIrqn, deviceIrqHandler) |
| #define EXCEPTION(vectorNumber, functionName, deviceIrqn, deviceIrqHandler, priorityLevel, subpriority) \ |
| NVIC_SetPriority(deviceIrqn, NVIC_EncodePriority(PRIGROUP_POSITION, priorityLevel, subpriority)); |
| #include NVIC_CONFIG |
| #undef EXCEPTION |
| |
| NVIC_SetPriorityGrouping(PRIGROUP_POSITION); |
| CHIP_Init(); |
| halInitChipSpecific(); |
| BSP_Init(BSP_INIT_BCC); |
| |
| CMU_ClockSelectSet(cmuClock_LFE, cmuSelect_LFRCO); |
| CMU_ClockEnable(cmuClock_CORELE, true); |
| CMU_ClockEnable(cmuClock_RTCC, true); |
| status = sl_sleeptimer_init(); |
| assert(status == SL_STATUS_OK); |
| |
| #if (HAL_FEM_ENABLE) |
| initFem(); |
| wakeupFem(); |
| #endif |
| |
| __enable_irq(); |
| |
| #if USE_EFR32_LOG |
| efr32LogInit(); |
| #endif |
| efr32RadioInit(); |
| efr32AlarmInit(); |
| efr32MiscInit(); |
| efr32RandomInit(); |
| } |
| |
| bool otSysPseudoResetWasRequested(void) |
| { |
| return false; |
| } |
| |
| void otSysDeinit(void) |
| { |
| efr32RadioDeinit(); |
| |
| #if USE_EFR32_LOG |
| efr32LogDeinit(); |
| #endif |
| } |
| |
| void efr32SetSleepCallback(bool (*aCallback)(void)) |
| { |
| sCanSleepCallback = aCallback; |
| } |
| |
| void efr32Sleep(void) |
| { |
| bool canDeepSleep = false; |
| int wakeupProcessTime = 1000; |
| CORE_DECLARE_IRQ_STATE; |
| |
| if (RAIL_Sleep(wakeupProcessTime, &canDeepSleep) == RAIL_STATUS_NO_ERROR) |
| { |
| if (canDeepSleep) |
| { |
| CORE_ENTER_ATOMIC(); |
| if (sCanSleepCallback != NULL && sCanSleepCallback()) |
| { |
| EMU_EnterEM2(true); |
| } |
| CORE_EXIT_ATOMIC(); |
| // TODO OT will handle an interrupt here and it mustn't call any RAIL APIs |
| |
| while (RAIL_Wake(0) != RAIL_STATUS_NO_ERROR) |
| { |
| } |
| } |
| else |
| { |
| CORE_ENTER_ATOMIC(); |
| if (sCanSleepCallback != NULL && sCanSleepCallback()) |
| { |
| EMU_EnterEM1(); |
| } |
| CORE_EXIT_ATOMIC(); |
| } |
| } |
| } |
| |
| void otSysProcessDrivers(otInstance *aInstance) |
| { |
| sInstance = aInstance; |
| |
| // should sleep and wait for interrupts here |
| |
| efr32UartProcess(); |
| efr32RadioProcess(aInstance); |
| efr32AlarmProcess(aInstance); |
| } |
| |
| __WEAK void otSysEventSignalPending(void) |
| { |
| // Intentionally empty |
| } |