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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* resarding copyright ownership. The ASF licenses this file
* to you 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
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
#ifndef __BATTERY_ADC_H__
#define __BATTERY_ADC_H__
#include <os/mynewt.h>
#include <battery/battery_drv.h>
#include <battery/battery.h>
#ifdef __cplusplus
#extern "C" {
* Structure passed to os_dev_create
struct battery_adc_cfg
struct os_dev *battery;
const char *adc_dev_name;
/* Platform dependent configuration, needed for os_dev_open() of adc device */
void *adc_open_arg;
/* Platform dependent channel configuration, needed for adc_chan_config() */
void *adc_channel_cfg;
/* channel */
uint8_t channel;
/* multiplier for ADC reading */
int mul;
/* divider for ADC reading */
int div;
/* GPIO pin to activate for measurement */
int activation_pin;
/* GPIO activation needed for measurement */
uint8_t activation_pin_needed:1;
/* GPIO value needed for measurement */
uint8_t activation_pin_level:1;
/* battery_adc device */
struct battery_adc
/* Underlying OS device */
struct battery_driver dev;
/* Configuration values */
struct battery_adc_cfg cfg;
struct adc_dev *adc_dev;
* Expects to be called back through os_dev_create().
* @param dec ptr to the device object associated with this ADC channel
* @param arg argument passed to OS device init
* @return 0 on success, non-zero on failure.
int battery_adc_init(struct os_dev *dev, void *arg);
#ifdef __cplusplus
#endif /* __BATTERY_ADC_H__ */