/* mbed Microcontroller Library * Copyright (c) 2018 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. */ #if MBED_CONF_NSAPI_PRESENT #include "gpio_api.h" #include "platform/mbed_thread.h" #include "PinNames.h" #include "drivers/BufferedSerial.h" #include "ONBOARD_TELIT_HE910.h" #include "ThisThread.h" #include "CellularLog.h" using namespace mbed; ONBOARD_TELIT_HE910::ONBOARD_TELIT_HE910(FileHandle *fh) : TELIT_HE910(fh) { } nsapi_error_t ONBOARD_TELIT_HE910::hard_power_on() { //does nothing at the moment, TODO: MultiTech to add hardware initialization stuff if needed return NSAPI_ERROR_OK; } nsapi_error_t ONBOARD_TELIT_HE910::hard_power_off() { //does nothing at the moment, TODO: MultiTech to add hardware de-initialization stuff if needed return NSAPI_ERROR_OK; } nsapi_error_t ONBOARD_TELIT_HE910::soft_power_on() { /* keep the power line low for 200 milisecond */ press_power_button(200); /* give modem a little time to respond */ thread_sleep_for(100); return NSAPI_ERROR_OK; } nsapi_error_t ONBOARD_TELIT_HE910::soft_power_off() { gpio_t gpio; gpio_init_out_ex(&gpio, MDMPWRON, 0); /* keep the power line low for more than 10 seconds. * If 3G_ON_OFF pin is kept low for more than a second, a controlled disconnect and shutdown takes * place, Due to the network disconnect, shut-off can take up to 30 seconds. However, we wait for 10 * seconds only */ thread_sleep_for(10 * 1000); return NSAPI_ERROR_OK; } void ONBOARD_TELIT_HE910::press_power_button(int time_ms) { gpio_t gpio; gpio_init_out_ex(&gpio, MDMPWRON, 1); gpio_write(&gpio, 0); thread_sleep_for(time_ms); gpio_write(&gpio, 1); } CellularDevice *CellularDevice::get_target_default_instance() { static BufferedSerial serial(MDMTXD, MDMRXD, 115200); #if DEVICE_SERIAL_FC if (MDMRTS != NC && MDMCTS != NC) { tr_debug("Modem flow control: RTS %d CTS %d", MDMRTS, MDMCTS); serial.set_flow_control(SerialBase::RTSCTS, MDMRTS, MDMCTS); } #endif static ONBOARD_TELIT_HE910 device(&serial); return &device; } #endif // MBED_CONF_NSAPI_PRESENT