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/cn0216/CN0216.h@18:7d35420ff4aa, 2016-05-05 (annotated)
- Committer:
- Adrian Suciu
- Date:
- Thu May 05 15:59:47 2016 +0300
- Revision:
- 18:7d35420ff4aa
- Parent:
- 17:b8356808e8ad
Fixed header comments
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Adrian Suciu |
18:7d35420ff4aa | 1 | /** |
Adrian Suciu |
18:7d35420ff4aa | 2 | * @file cn0216.h |
Adrian Suciu |
18:7d35420ff4aa | 3 | * @brief Header file for CN0216 |
Adrian Suciu |
18:7d35420ff4aa | 4 | * @author Analog Devices Inc. |
Adrian Suciu |
18:7d35420ff4aa | 5 | * |
Adrian Suciu |
18:7d35420ff4aa | 6 | * For support please go to: |
Adrian Suciu |
18:7d35420ff4aa | 7 | * Github: https://github.com/analogdevicesinc/mbed-adi |
Adrian Suciu |
18:7d35420ff4aa | 8 | * Support: https://ez.analog.com/community/linux-device-drivers/microcontroller-no-os-drivers |
Adrian Suciu |
18:7d35420ff4aa | 9 | * Product: www.analog.com/EVAL-CN0216-ARDZ |
Adrian Suciu |
18:7d35420ff4aa | 10 | * More: https://wiki.analog.com/resources/tools-software/mbed-drivers-all |
Adrian Suciu |
18:7d35420ff4aa | 11 | |
Adrian Suciu |
18:7d35420ff4aa | 12 | ******************************************************************************** |
Adrian Suciu |
18:7d35420ff4aa | 13 | * Copyright 2016(c) Analog Devices, Inc. |
Adrian Suciu |
18:7d35420ff4aa | 14 | * |
Adrian Suciu |
18:7d35420ff4aa | 15 | * All rights reserved. |
Adrian Suciu |
18:7d35420ff4aa | 16 | * |
Adrian Suciu |
18:7d35420ff4aa | 17 | * Redistribution and use in source and binary forms, with or without |
Adrian Suciu |
18:7d35420ff4aa | 18 | * modification, are permitted provided that the following conditions are met: |
Adrian Suciu |
18:7d35420ff4aa | 19 | * - Redistributions of source code must retain the above copyright |
Adrian Suciu |
18:7d35420ff4aa | 20 | * notice, this list of conditions and the following disclaimer. |
Adrian Suciu |
18:7d35420ff4aa | 21 | * - Redistributions in binary form must reproduce the above copyright |
Adrian Suciu |
18:7d35420ff4aa | 22 | * notice, this list of conditions and the following disclaimer in |
Adrian Suciu |
18:7d35420ff4aa | 23 | * the documentation and/or other materials provided with the |
Adrian Suciu |
18:7d35420ff4aa | 24 | * distribution. |
Adrian Suciu |
18:7d35420ff4aa | 25 | * - Neither the name of Analog Devices, Inc. nor the names of its |
Adrian Suciu |
18:7d35420ff4aa | 26 | * contributors may be used to endorse or promote products derived |
Adrian Suciu |
18:7d35420ff4aa | 27 | * from this software without specific prior written permission. |
Adrian Suciu |
18:7d35420ff4aa | 28 | * - The use of this software may or may not infringe the patent rights |
Adrian Suciu |
18:7d35420ff4aa | 29 | * of one or more patent holders. This license does not release you |
Adrian Suciu |
18:7d35420ff4aa | 30 | * from the requirement that you obtain separate licenses from these |
Adrian Suciu |
18:7d35420ff4aa | 31 | * patent holders to use this software. |
Adrian Suciu |
18:7d35420ff4aa | 32 | * - Use of the software either in source or binary form, must be run |
Adrian Suciu |
18:7d35420ff4aa | 33 | * on or directly connected to an Analog Devices Inc. component. |
Adrian Suciu |
18:7d35420ff4aa | 34 | * |
Adrian Suciu |
18:7d35420ff4aa | 35 | * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR |
Adrian Suciu |
18:7d35420ff4aa | 36 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, |
Adrian Suciu |
18:7d35420ff4aa | 37 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
Adrian Suciu |
18:7d35420ff4aa | 38 | * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, |
Adrian Suciu |
18:7d35420ff4aa | 39 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
Adrian Suciu |
18:7d35420ff4aa | 40 | * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR |
Adrian Suciu |
18:7d35420ff4aa | 41 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
Adrian Suciu |
18:7d35420ff4aa | 42 | * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
Adrian Suciu |
18:7d35420ff4aa | 43 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
Adrian Suciu |
18:7d35420ff4aa | 44 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
Adrian Suciu |
18:7d35420ff4aa | 45 | * |
Adrian Suciu |
18:7d35420ff4aa | 46 | ********************************************************************************/ |
Adrian Suciu |
13:66c8e4ce4ff1 | 47 | |
Adrian Suciu |
13:66c8e4ce4ff1 | 48 | #include "mbed.h" |
Adrian Suciu |
13:66c8e4ce4ff1 | 49 | #include "AD7791.h" |
Adrian Suciu |
13:66c8e4ce4ff1 | 50 | |
Adrian Suciu |
13:66c8e4ce4ff1 | 51 | #ifndef CN0216_H_ |
Adrian Suciu |
13:66c8e4ce4ff1 | 52 | #define CN0216_H_ |
Adrian Suciu |
13:66c8e4ce4ff1 | 53 | |
Adrian Suciu |
13:66c8e4ce4ff1 | 54 | class CN0216 |
Adrian Suciu |
13:66c8e4ce4ff1 | 55 | { |
Adrian Suciu |
13:66c8e4ce4ff1 | 56 | public: |
Adrian Suciu |
17:b8356808e8ad | 57 | typedef enum { |
Adrian Suciu |
17:b8356808e8ad | 58 | ZERO_SCALE_CALIBRATION, ///< Calibration of the zero scale value |
Adrian Suciu |
17:b8356808e8ad | 59 | FULL_SCALE_CALIBRATION, ///< Calibration of the full scale value |
Adrian Suciu |
17:b8356808e8ad | 60 | COMPUTE_UNITS_PER_BIT ///< Units per LSB computation |
Adrian Suciu |
17:b8356808e8ad | 61 | } CalibrationStep_t; |
Adrian Suciu |
13:66c8e4ce4ff1 | 62 | |
Adrian Suciu |
17:b8356808e8ad | 63 | CN0216(PinName CSAD7791 = D8, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK); |
Adrian Suciu |
17:b8356808e8ad | 64 | void init(float cal_weight = _DEFAULT_CAL_WEIGHT, uint8_t mode_val = _DEFAULT_MODE_VAL, uint8_t filter_val = _DEFAULT_FILTER_VAL); |
Adrian Suciu |
17:b8356808e8ad | 65 | void calibrate(CalibrationStep_t cal); |
Adrian Suciu |
17:b8356808e8ad | 66 | float compute_weight(uint32_t data); |
Adrian Suciu |
17:b8356808e8ad | 67 | uint32_t read_u32(); |
Adrian Suciu |
17:b8356808e8ad | 68 | float read_weight(); |
Adrian Suciu |
13:66c8e4ce4ff1 | 69 | |
Adrian Suciu |
13:66c8e4ce4ff1 | 70 | private: |
Adrian Suciu |
13:66c8e4ce4ff1 | 71 | |
Adrian Suciu |
17:b8356808e8ad | 72 | const static int _NUMBER_OF_SAMPLES = 20; ///< Number of samples used in calibration |
Adrian Suciu |
17:b8356808e8ad | 73 | const static int _DEFAULT_MODE_VAL = AD7791::MD1 | AD7791::MD0; // POWERDOWN MODE |
Adrian Suciu |
17:b8356808e8ad | 74 | const static int _DEFAULT_FILTER_VAL = AD7791::FS0 | AD7791::FS1 | AD7791::FS2; |
Adrian Suciu |
17:b8356808e8ad | 75 | const static int _DEFAULT_CAL_WEIGHT = 1000.0; |
Adrian Suciu |
13:66c8e4ce4ff1 | 76 | |
Adrian Suciu |
17:b8356808e8ad | 77 | AD7791 ad7791; |
Adrian Suciu |
17:b8356808e8ad | 78 | float _cal_weight; |
Adrian Suciu |
17:b8356808e8ad | 79 | uint32_t _zero_scale_value; |
Adrian Suciu |
17:b8356808e8ad | 80 | uint32_t _full_scale_value; |
Adrian Suciu |
17:b8356808e8ad | 81 | float _weight_units_per_bit; |
Adrian Suciu |
17:b8356808e8ad | 82 | |
Adrian Suciu |
13:66c8e4ce4ff1 | 83 | }; |
Adrian Suciu |
13:66c8e4ce4ff1 | 84 | |
Adrian Suciu |
13:66c8e4ce4ff1 | 85 | #endif |