/* mbed Microcontroller Library * Copyright (c) 2006-2013 ARM Limited * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include "sleep_api.h" #include "cmsis.h" #include "fsl_clock.h" #include "lp_ticker_api.h" #include "stdio.h" #include "inttypes.h" #include "fsl_gpt.h" extern void vPortPRE_SLEEP_PROCESSING(clock_mode_t powermode); extern void vPortPOST_SLEEP_PROCESSING(clock_mode_t powermode); extern bool serial_check_tx_ongoing(); void hal_sleep(void) { __DSB(); __WFI(); __ISB(); } void hal_deepsleep(void) { /* Check if any of the UART's is transmitting data */ if (serial_check_tx_ongoing()) { return; } vPortPRE_SLEEP_PROCESSING(kCLOCK_ModeStop); __DSB(); __WFI(); __ISB(); vPortPOST_SLEEP_PROCESSING(kCLOCK_ModeStop); }