mirror of
https://gitee.com/mirrors_PX4/PX4-Autopilot.git
synced 2026-07-15 06:00:35 +08:00
Lorenz Meier
68 lines
2.5 KiB
C
68 lines
2.5 KiB
C
/****************************************************************************
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*
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* Copyright (c) 2014 PX4 Development Team. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name PX4 nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/**
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* @file px4_adc.h
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*
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* ADC header depending on the build target
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*/
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#pragma once
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#include <stdint.h>
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#if defined(__PX4_ROS)
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#error "ADC not supported in ROS"
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#elif defined(__PX4_NUTTX)
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/*
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* Building for NuttX
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*/
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#include <nuttx/analog/adc.h>
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#elif defined(__PX4_POSIX)
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// FIXME - this needs to be a px4_adc_msg_s type
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// Curently copied from NuttX
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struct adc_msg_s {
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uint8_t am_channel; /* The 8-bit ADC Channel */
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int32_t am_data; /* ADC convert result (4 bytes) */
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} __attribute__((packed));
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// Example settings
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#define ADC_BATTERY_VOLTAGE_CHANNEL 10
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#define ADC_BATTERY_CURRENT_CHANNEL ((uint8_t)(-1))
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#define ADC_AIRSPEED_VOLTAGE_CHANNEL 11
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#define ADCSIM0_DEVICE_PATH "/dev/adc0"
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#else
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#error "No target platform defined"
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#endif
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