Optical pulse wave sensor BH1790GLC driver. The original code contributed by Hideki Tanaka.
Dependents: rohm-bh1790glc-hello rohm-SensorShield-example ECE568_Project2_Final
Fork of BH1790GLC by
bh1790glc.h@1:32bb2624bed8, 2017-06-16 (annotated)
- Committer:
- MikkoZ
- Date:
- Fri Jun 16 11:56:37 2017 +0000
- Revision:
- 1:32bb2624bed8
- Child:
- 2:4446bf1de21b
Initial version of bh1790glc driver; ; Tested ok with bh1790glc-hello
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MikkoZ | 1:32bb2624bed8 | 1 | /* |
MikkoZ | 1:32bb2624bed8 | 2 | The MIT License (MIT) |
MikkoZ | 1:32bb2624bed8 | 3 | Copyright (c) 2017 Rohm Semiconductor |
MikkoZ | 1:32bb2624bed8 | 4 | |
MikkoZ | 1:32bb2624bed8 | 5 | Permission is hereby granted, free of charge, to any person obtaining a |
MikkoZ | 1:32bb2624bed8 | 6 | copy of this software and associated documentation files (the |
MikkoZ | 1:32bb2624bed8 | 7 | "Software"), to deal in the Software without restriction, including |
MikkoZ | 1:32bb2624bed8 | 8 | without limitation the rights to use, copy, modify, merge, publish, |
MikkoZ | 1:32bb2624bed8 | 9 | distribute, sublicense, and/or sell copies of the Software, and to |
MikkoZ | 1:32bb2624bed8 | 10 | permit persons to whom the Software is furnished to do so, subject to |
MikkoZ | 1:32bb2624bed8 | 11 | the following conditions: |
MikkoZ | 1:32bb2624bed8 | 12 | |
MikkoZ | 1:32bb2624bed8 | 13 | The above copyright notice and this permission notice shall be included |
MikkoZ | 1:32bb2624bed8 | 14 | in all copies or substantial portions of the Software. |
MikkoZ | 1:32bb2624bed8 | 15 | |
MikkoZ | 1:32bb2624bed8 | 16 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
MikkoZ | 1:32bb2624bed8 | 17 | OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
MikkoZ | 1:32bb2624bed8 | 18 | MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
MikkoZ | 1:32bb2624bed8 | 19 | IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
MikkoZ | 1:32bb2624bed8 | 20 | CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
MikkoZ | 1:32bb2624bed8 | 21 | TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
MikkoZ | 1:32bb2624bed8 | 22 | SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
MikkoZ | 1:32bb2624bed8 | 23 | */ |
MikkoZ | 1:32bb2624bed8 | 24 | |
MikkoZ | 1:32bb2624bed8 | 25 | #ifndef _BH1790GLC_H_ |
MikkoZ | 1:32bb2624bed8 | 26 | #define _BH1790GLC_H_ |
MikkoZ | 1:32bb2624bed8 | 27 | |
MikkoZ | 1:32bb2624bed8 | 28 | #include "RegisterWriter/RegisterWriter/rohm_hal2.h" |
MikkoZ | 1:32bb2624bed8 | 29 | #include "RegisterWriter/RegisterWriter/RegisterWriter.h" |
MikkoZ | 1:32bb2624bed8 | 30 | |
MikkoZ | 1:32bb2624bed8 | 31 | #include "bh1790glc_registers.h" |
MikkoZ | 1:32bb2624bed8 | 32 | #define BH1790GLC_DEFAULT_SLAVE_ADDRESS (0x5B) |
MikkoZ | 1:32bb2624bed8 | 33 | |
MikkoZ | 1:32bb2624bed8 | 34 | #define BH1790GLC_DEVICE_ADDRESS (BH1790GLC_DEFAULT_SLAVE_ADDRESS<<1) |
MikkoZ | 1:32bb2624bed8 | 35 | #define BH1790GLC_MID_VAL (0xE0) |
MikkoZ | 1:32bb2624bed8 | 36 | |
MikkoZ | 1:32bb2624bed8 | 37 | #include "mbed.h" |
MikkoZ | 1:32bb2624bed8 | 38 | |
MikkoZ | 1:32bb2624bed8 | 39 | /** BH1790GLC class |
MikkoZ | 1:32bb2624bed8 | 40 | * |
MikkoZ | 1:32bb2624bed8 | 41 | * BH1790GLC: an I2C bus optical sensor for heart rate monitor library |
MikkoZ | 1:32bb2624bed8 | 42 | * |
MikkoZ | 1:32bb2624bed8 | 43 | * BH1790GLC is optical sensor for heart rate monitor IC in |
MikkoZ | 1:32bb2624bed8 | 44 | * which LED driver and green light detection photo-diode |
MikkoZ | 1:32bb2624bed8 | 45 | * are incorporated. This device drives LED and provides |
MikkoZ | 1:32bb2624bed8 | 46 | * the intensity of light reflected from body. |
MikkoZ | 1:32bb2624bed8 | 47 | * |
MikkoZ | 1:32bb2624bed8 | 48 | * For more information about BH1790GLC: |
MikkoZ | 1:32bb2624bed8 | 49 | * http://www.rohm.com/web/global/datasheet/BH1790GLC/bh1790glc-e |
MikkoZ | 1:32bb2624bed8 | 50 | * |
MikkoZ | 1:32bb2624bed8 | 51 | * http://rohmfs.rohm.com/en/products/databook/applinote/ic/sensor/optical_sensor_for_heart_rate_monitor/bh1790glc-evk-001-manual-e.pdf |
MikkoZ | 1:32bb2624bed8 | 52 | * http://rohmfs.rohm.com/en/products/databook/applinote/ic/sensor/optical_sensor_for_heart_rate_monitor/bh1790glc-software-manual-e.pdf |
MikkoZ | 1:32bb2624bed8 | 53 | * |
MikkoZ | 1:32bb2624bed8 | 54 | * This was ported from Arduino library by H.Tanaka and rewritten to match other Rohm mbed drivers by M.Koivunen. |
MikkoZ | 1:32bb2624bed8 | 55 | */ |
MikkoZ | 1:32bb2624bed8 | 56 | |
MikkoZ | 1:32bb2624bed8 | 57 | class BH1790GLC |
MikkoZ | 1:32bb2624bed8 | 58 | { |
MikkoZ | 1:32bb2624bed8 | 59 | public: |
MikkoZ | 1:32bb2624bed8 | 60 | /** Create a BH1790GLC instance connected to specified I2C object with specified address |
MikkoZ | 1:32bb2624bed8 | 61 | * |
MikkoZ | 1:32bb2624bed8 | 62 | * @param i2c_obj RegisterWriter object (instance) |
MikkoZ | 1:32bb2624bed8 | 63 | * @param sad I2C-bus address |
MikkoZ | 1:32bb2624bed8 | 64 | * @param wai Who Am I -value |
MikkoZ | 1:32bb2624bed8 | 65 | */ |
MikkoZ | 1:32bb2624bed8 | 66 | BH1790GLC(RegisterWriter &i2c_obj, uint8_t sad = BH1790GLC_DEFAULT_SLAVE_ADDRESS, uint8_t wai = BH1790GLC_PART_ID_WIA_ID); |
MikkoZ | 1:32bb2624bed8 | 67 | |
MikkoZ | 1:32bb2624bed8 | 68 | /** Destructor of BH1790GLC |
MikkoZ | 1:32bb2624bed8 | 69 | */ |
MikkoZ | 1:32bb2624bed8 | 70 | ~BH1790GLC(); |
MikkoZ | 1:32bb2624bed8 | 71 | |
MikkoZ | 1:32bb2624bed8 | 72 | void init(void); |
MikkoZ | 1:32bb2624bed8 | 73 | int set_default_on(void); |
MikkoZ | 1:32bb2624bed8 | 74 | int getresults_raw(uint8_t *data); |
MikkoZ | 1:32bb2624bed8 | 75 | int getresults(uint16_t *data); |
MikkoZ | 1:32bb2624bed8 | 76 | //int write(uint8_t memory_address,uint8_t *data,uint8_t size); |
MikkoZ | 1:32bb2624bed8 | 77 | //int read(uint8_t memory_address,uint8_t *data, uint8_t size); |
MikkoZ | 1:32bb2624bed8 | 78 | private: |
MikkoZ | 1:32bb2624bed8 | 79 | RegisterWriter i2c_rw; |
MikkoZ | 1:32bb2624bed8 | 80 | uint8_t _sad; |
MikkoZ | 1:32bb2624bed8 | 81 | uint8_t _wai; |
MikkoZ | 1:32bb2624bed8 | 82 | }; |
MikkoZ | 1:32bb2624bed8 | 83 | #endif |