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hall.h
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Thu, May 16, 23:40
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Sat, May 18, 23:40 (2 d)
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R2671 HHRI-software
hall.h
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/*
* Copyright (C) 2017 EPFL-LSRO (Laboratoire de Systemes Robotiques).
*
* 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 __HALL_H
#define __HALL_H
#include "../main.h"
#include "adc.h"
/** @defgroup Hall Driver / Hall sensor
* @brief Driver for a Hall-effect angular sensor.
*
* This driver uses an ADC input, ANIN1 or ANIN2 (see ADC).
* To use this, connect wire the sensor as this:
* * hall red -> +5V (pin 1 or 5 of J2).
* * hall yellow -> GND (pin 2 or 6 of J2).
* * hall blue -> ANINX+ (pin 3 or 7 of J2).
* * GND (pin 2 or 6 of J2) -> ANINX- (pin 4 or 8 of J2).
*
* Set the sensitivity switches to +-10V.
*
* Call hall_Init() first in the initialization code. Then, call hall_Get() to
* get the angle of the paddle.
*
* @addtogroup Hall
* @{
*/
void hall_Init(AdcChannel channel);
float32_t hall_GetVoltage(void);
/**
* @}
*/
#endif
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