mbed-os/features/netsocket/cellular/onboard_modem_api.h

80 lines
2.6 KiB
C

/* 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.
*/
#ifndef ONBOARD_MODEM_API_H_
#define ONBOARD_MODEM_API_H_
/** onboard_modem_api is a standardizing API for Modem type devices under mbed-os.
* It provides a simple hardware abstraction layer on top of the modem drivers
* written for mbed-os.
*
* It is required from the engineers porting any modem type device (e.g., Cellular)
* to provide an implementation of this API in their respective target folder as well as
* usage of standard PinNames (in PinNames.h) is required. For example,
*
* MDMTXD = P0_15, // Transmit Data
* MDMRXD = P0_16, // Receive Data
* MDMCTS = P0_17, // Clear to Send
* MDMDCD = P0_18, // Data Carrier Detect
* MDMDSR = P0_19, // Data Set Ready
* MDMDTR = P0_20, // Data Terminal Ready (set high or use handshake)
* MDMRI = P0_21, // Ring Indicator
* MDMRTS = P0_22, // Request to Send (set high or use handshake)
*
* MDM_PIN_POLARITY must also be defined as 0 (active low) or 1 (active high).
*
* NOTE: This API should only be used when the modem exists on-board, i.e., the modem is
* NOT a plugged-in component.
*/
#if MODEM_ON_BOARD
#ifdef __cplusplus
extern "C" {
#endif
/** Sets the modem up for powering on
* modem_init() will be equivalent to plugging in the device, i.e.,
* attaching power and serial port.
*/
void onboard_modem_init(void);
/** Sets the modem in unplugged state
* modem_deinit() will be equivalent to pulling the plug off of the device, i.e.,
* detaching power and serial port.
* This puts the modem in lowest power state.
*/
void onboard_modem_deinit(void);
/** Powers up the modem
* modem_power_up() will be equivalent to pressing the soft power button.
* The driver may repeat this if the modem is not responsive to AT commands.
*/
void onboard_modem_power_up(void);
/** Powers down the modem
* modem_power_down() will be equivalent to turning off the modem by button press.
*/
void onboard_modem_power_down(void);
#ifdef __cplusplus
}
#endif
#endif /* MODEM_ON_BOARD*/
#endif /* ONBOARD_MODEM_API_H_ */