diff options
| author | Clyne Sullivan <tullivan99@gmail.com> | 2019-02-28 17:04:22 -0500 |
|---|---|---|
| committer | Clyne Sullivan <tullivan99@gmail.com> | 2019-02-28 17:04:22 -0500 |
| commit | d6869d1ec4bd24cd2c3eafa534f0849b25ec5607 (patch) | |
| tree | 79e54ed27b39c31864895535d11399708d5a45c0 /arduino/cores/nRF5/wiring_analog.h | |
| parent | 614ee97bf3a2270c413527a7f35c54cbecd9e601 (diff) | |
added basic code
Diffstat (limited to 'arduino/cores/nRF5/wiring_analog.h')
| -rwxr-xr-x | arduino/cores/nRF5/wiring_analog.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/arduino/cores/nRF5/wiring_analog.h b/arduino/cores/nRF5/wiring_analog.h new file mode 100755 index 0000000..dd16eef --- /dev/null +++ b/arduino/cores/nRF5/wiring_analog.h @@ -0,0 +1,106 @@ +/* + Copyright (c) 2015 Arduino LLC. All right reserved. + Copyright (c) 2016 Sandeep Mistry 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 + */ +#if defined(NRF52) || defined(NRF52_SERIES) +typedef enum _eAnalogReference +{ + AR_DEFAULT, + AR_INTERNAL, // 0.6V Ref * 6 = 0..3.6V + AR_INTERNAL_3_0, // 0.6V Ref * 5 = 0..3.0V + AR_INTERNAL_2_4, // 0.6V Ref * 4 = 0..2.4V + AR_INTERNAL_1_8, // 0.6V Ref * 3 = 0..1.8V + AR_INTERNAL_1_2, // 0.6V Ref * 2 = 0..1.6V + AR_VDD4 // VDD/4 REF * 4 = 0..VDD +} eAnalogReference ; +#else +typedef enum _eAnalogReference +{ + AR_DEFAULT, + AR_VBG, + AR_SUPPLY_ONE_HALF, + AR_SUPPLY_ONE_THIRD, + AR_EXT0, + AR_EXT1 +} eAnalogReference ; +#endif + + +/* + * \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 Configures the oversampling amount used to sample analog input. +* +* \param ulOversampling Should be set to 1, 2, 4, 8, 16, 32, 64, 128 or 256. +*/ +extern void analogOversampling( uint32_t ulOversampling ); + +/* + * \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(uint8_t res); + +extern void analogOutputInit( void ) ; + +#ifdef __cplusplus +} +#endif |