Initial commit
mbed-dev-master/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F439xI/TARGET_WIO_3G/onboard_modem_api.c
- Committer:
- lypinator
- Date:
- 2020-09-16
- Revision:
- 0:bb348c97df44
File content as of revision 0:bb348c97df44:
/* mbed Microcontroller Library * Copyright (c) 2017 ARM Limited * * 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 "cellular/onboard_modem_api.h" #include "gpio_api.h" #include "platform/mbed_wait_api.h" #include "PinNames.h" #if MODEM_ON_BOARD static void press_power_button(int time_ms) { gpio_t gpio; gpio_init_out_ex(&gpio, PWRKEY, 1); gpio_write(&gpio, 1); wait_ms(time_ms); gpio_write(&gpio, 0); } void onboard_modem_init() { gpio_t gpio; // start with modem disabled gpio_init_out_ex(&gpio, RESET_MODULE, 0); gpio_init_in_ex(&gpio, MDMSTAT, PullUp); gpio_init_out_ex(&gpio, MDMDTR, 0); gpio_init_out_ex(&gpio, M_POWR, 1); // gpio_write(&gpio, M_POWR, 1); wait_ms(500); } void onboard_modem_deinit() { // wio3g_mdm_powerOff(); } void onboard_modem_power_up() { /* keep the power line HIGH for 200 milisecond */ press_power_button(200); /* give modem a little time to respond */ wait_ms(100); } void onboard_modem_power_down() { /* keep the power line low for 1 second */ // press_power_button(1000); // gpio_write(&mpowr, M_POWR, 0); } #endif //MODEM_ON_BOARD #endif //MBED_CONF_NSAPI_PRESENT