A collection of Analog Devices drivers for the mbed platform
For additional information check out the mbed page of the Analog Devices wiki: https://wiki.analog.com/resources/tools-software/mbed-drivers-all
libraries/CN0357/CN0357.h
- Committer:
- Adrian Suciu
- Date:
- 2016-04-29
- Revision:
- 17:b8356808e8ad
- Parent:
- 11:2e67c719ce37
File content as of revision 17:b8356808e8ad:
/** * @file cn0357.h * @brief Header file for CN0357 * @author Analog Devices Inc. * * For support please go to: * Github: https://github.com/analogdevicesinc/mbed-adi * Support: https://ez.analog.com/community/linux-device-drivers/microcontroller-no-os-drivers * Product: www.analog.com/EVAL-CN0357-ARDZ * More: https://wiki.analog.com/resources/tools-software/mbed-drivers-all ******************************************************************************** * Copyright 2016(c) Analog Devices, Inc. * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * - Neither the name of Analog Devices, Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * - The use of this software may or may not infringe the patent rights * of one or more patent holders. This license does not release you * from the requirement that you obtain separate licenses from these * patent holders to use this software. * - Use of the software either in source or binary form, must be run * on or directly connected to an Analog Devices Inc. component. * * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ********************************************************************************/ #ifndef CN0357_H #define CN0357_H #include "mbed.h" #include "AD7790.h" #include "AD5270.h" /** * @brief EVAL-CN0357 toxic gas sensor shield */ class CN0357 { public: private: float _vref; float _sensor_sensitivity; float _sensor_range; float _RDACvalue; public: AD7790 ad7790; ///< AD7790 instance - can be used for manual overriding AD5270 ad5270; ///< AD5270 instance - can be used for manual overriding /// CN0357 shield jumper configuration typedef enum { INTERNAL_AD7790 = 0, ///< The shield's AD7790 is used EXTERNAL_ADC ///< Sensor analog output is routed to A1 pin of the shield } JumperConfig_t; CN0357(PinName CSAD7790 = D8, PinName CSAD5270 = D6, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK); void init(float range, float sensitivity, JumperConfig_t jp = INTERNAL_AD7790, uint8_t mode_val = _DEFAULT_MODE_VAL, uint8_t filter_val = _DEFAULT_FILTER_VAL); uint8_t read_adc_status(void); uint16_t read_sensor(void); float read_sensor_voltage(void); float data_to_voltage(uint16_t data); float calc_ppm(float adcVoltage); float read_ppm(void); void set_RDAC_value(float resistor_val); float get_RDAC_value(void); float set_sensor_parameters(float range, float sensitivity); float get_sensor_range(void); float get_sensor_sensitivity(void); private: const static int _RESET = 0xff; const static int _DEFAULT_MODE_VAL = AD7790::MD1 | AD7790::MD0; // POWERDOWN MODE const static int _DEFAULT_FILTER_VAL = AD7790::FS0 | AD7790::FS1 | AD7790::FS2; void _rdac_init(float resistanceValue); void _AD7790_init(uint8_t mode_val, uint8_t filter_val); }; #endif // CN0357_H