d2620a72d2
AR_INTERNAL was removed in #74. Because of this, non-SAMD51 boards fail because AR_INTERNAL isn't defined. This also define AR_INTERNAL_2V23, which is also used for non-SAMD51 boards.
91 lines
2.3 KiB
C
91 lines
2.3 KiB
C
/*
|
|
Copyright (c) 2015 Arduino LLC. All right reserved.
|
|
|
|
This library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
This library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
|
See the GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with this library; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/*
|
|
* \brief SAMD products have only one reference for ADC
|
|
*/
|
|
// add internal voltages for ATSAMD51 SUPC VREF register
|
|
typedef enum _eAnalogReference
|
|
{
|
|
AR_DEFAULT,
|
|
AR_INTERNAL1V0,
|
|
AR_INTERNAL1V1,
|
|
AR_INTERNAL1V2,
|
|
AR_INTERNAL1V25,
|
|
AR_INTERNAL2V0,
|
|
AR_INTERNAL2V2,
|
|
AR_INTERNAL2V23,
|
|
AR_INTERNAL2V4,
|
|
AR_INTERNAL2V5,
|
|
AR_INTERNAL1V65,
|
|
AR_EXTERNAL
|
|
} eAnalogReference ;
|
|
|
|
|
|
/*
|
|
* \brief Configures the reference voltage used for analog input (i.e. the value used as the top of the input range).
|
|
* This function is kept only for compatibility with existing AVR based API.
|
|
*
|
|
* \param ulMmode Should be set to AR_DEFAULT.
|
|
*/
|
|
extern void analogReference( eAnalogReference ulMode ) ;
|
|
|
|
/*
|
|
* \brief Writes an analog value (PWM wave) to a pin.
|
|
*
|
|
* \param ulPin
|
|
* \param ulValue
|
|
*/
|
|
extern void analogWrite( uint32_t ulPin, uint32_t ulValue ) ;
|
|
|
|
/*
|
|
* \brief Reads the value from the specified analog pin.
|
|
*
|
|
* \param ulPin
|
|
*
|
|
* \return Read value from selected pin, if no error.
|
|
*/
|
|
extern uint32_t analogRead( uint32_t ulPin ) ;
|
|
|
|
/*
|
|
* \brief Set the resolution of analogRead return values. Default is 10 bits (range from 0 to 1023).
|
|
*
|
|
* \param res
|
|
*/
|
|
extern void analogReadResolution(int res);
|
|
|
|
/*
|
|
* \brief Set the resolution of analogWrite parameters. Default is 8 bits (range from 0 to 255).
|
|
*
|
|
* \param res
|
|
*/
|
|
extern void analogWriteResolution(int res);
|
|
|
|
extern void analogOutputInit( void ) ;
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|