Initial commit
Diff: mbed-dev-master/targets/TARGET_STM/TARGET_STM32F4/TARGET_MTB_MTS_DRAGONFLY/onboard_modem_api.c
- Revision:
- 0:bb348c97df44
diff -r 000000000000 -r bb348c97df44 mbed-dev-master/targets/TARGET_STM/TARGET_STM32F4/TARGET_MTB_MTS_DRAGONFLY/onboard_modem_api.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-dev-master/targets/TARGET_STM/TARGET_STM32F4/TARGET_MTB_MTS_DRAGONFLY/onboard_modem_api.c Wed Sep 16 01:11:49 2020 +0000 @@ -0,0 +1,65 @@ +/* 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, MDMPWRON, 1); + gpio_write(&gpio, 0); + wait_ms(time_ms); + gpio_write(&gpio, 1); +} + +void onboard_modem_init() +{ + //does nothing at the moment, TODO: MultiTech to add hardware initialization stuff if needed +} + +void onboard_modem_deinit() +{ + //does nothing at the moment, TODO: MultiTech to add hardware de-initialization stuff if needed +} +void onboard_modem_power_up() +{ + /* keep the power line low for 200 milisecond */ + press_power_button(200); + /* give modem a little time to respond */ + wait_ms(100); +} + +void onboard_modem_power_down() +{ + 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 */ + wait_ms(10 * 1000); +} +#endif //MODEM_ON_BOARD +#endif //MBED_CONF_NSAPI_PRESENT