Initial commit
mbed-dev-master/targets/TARGET_STM/TARGET_STM32F4/TARGET_STM32F437xG/TARGET_UBLOX_C030/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 "onboard_modem_api.h" #include "gpio_api.h" #include "platform/mbed_wait_api.h" #include "PinNames.h" #if MODEM_ON_BOARD // Note microseconds not milliseconds static void press_power_button(int time_us) { gpio_t gpio; #if defined(TARGET_UBLOX_C030_R410M) gpio_init_inout(&gpio, MDMPWRON, PIN_OUTPUT, OpenDrain, 0); #else gpio_init_out_ex(&gpio, MDMPWRON, 0); #endif wait_us(time_us); gpio_write(&gpio, 1); } void onboard_modem_init() { gpio_t gpio; // Take us out of reset gpio_init_out_ex(&gpio, MDMRST, 1); } void onboard_modem_deinit() { gpio_t gpio; // Back into reset gpio_init_out_ex(&gpio, MDMRST, 0); } void onboard_modem_power_up() { #if defined(TARGET_UBLOX_C030_R410M) /* keep the power line low for 1 seconds */ press_power_button(1000000); #else /* keep the power line low for 50 microseconds */ press_power_button(50); #endif /* give modem a little time to respond */ wait_ms(100); } void onboard_modem_power_down() { #if defined(TARGET_UBLOX_C030_R410M) /* keep the power line low for 1.5 seconds */ press_power_button(1500000); #else /* keep the power line low for 1 seconds */ press_power_button(1000000); #endif } #endif //MODEM_ON_BOARD #endif //MBED_CONF_NSAPI_PRESENT