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
Diff: BH1790GLC.cpp
- Revision:
- 1:32bb2624bed8
- Parent:
- 0:68b1bd50b38b
- Child:
- 2:4446bf1de21b
--- a/BH1790GLC.cpp Mon Jun 12 08:48:38 2017 +0000
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,101 +0,0 @@
-/*****************************************************************************
- BH1790GLC.cpp
-
- Copyright (c) 2016 ROHM Co.,Ltd.
-
- Permission is hereby granted, free of charge, to any person obtaining a copy
- of this software and associated documentation files (the "Software"), to deal
- in the Software without restriction, including without limitation the rights
- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- copies of the Software, and to permit persons to whom the Software is
- furnished to do so, subject to the following conditions:
-
- The above copyright notice and this permission notice shall be included in
- all copies or substantial portions of the Software.
-
- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- THE SOFTWARE.
-******************************************************************************/
-
-
-#include "BH1790GLC.h"
-
-BH1790GLC::BH1790GLC( PinName sda, PinName scl, char address )
- : i2c_p( new I2C( sda, scl ) ), i2c( *i2c_p ), adr( address )
-{
- init();
-}
-
-BH1790GLC::BH1790GLC( I2C &i2c_obj, char address )
- : i2c_p( NULL ), i2c( i2c_obj ), adr( address )
-{
- init();
-}
-
-BH1790GLC::~BH1790GLC()
-{
- if ( NULL != i2c_p )
- delete i2c_p;
-}
-
-void BH1790GLC::init(void)
-{
-}
-
-int BH1790GLC::meas_start(void)
-{
- int rc;
- char val[3];
- val[0] = BH1790GLC_MEAS_CONTROL1_VAL;
- val[1] = BH1790GLC_MEAS_CONTROL2_VAL;
- val[2] = BH1790GLC_MEAS_START_VAL;
- rc = write(BH1790GLC_MEAS_CONTROL1, val, sizeof(val));
- return (rc);
-}
-
-int BH1790GLC::get_rawval(char *data)
-{
- int rc;
- rc = read(BH1790GLC_DATAOUT_LEDOFF, data, 4);
- return (rc);
-}
-
-int BH1790GLC::get_val(unsigned short *data)
-{
- int rc;
- char val[4];
- rc = get_rawval(val);
- data[0] = ((unsigned short)val[1] << 8) | (val[0]);
- data[1] = ((unsigned short)val[3] << 8) | (val[2]);
- return (rc);
-}
-
-int BH1790GLC::write(char memory_address, char *data, int size)
-{
- int rc;
- char cmd[size];
- cmd[0] = memory_address;
- for (int i=0; i<size; i++) {
- cmd[i+1] = data[i];
- }
- rc = i2c.write( adr, cmd, size+1,true);
- return (rc);
-}
-
-int BH1790GLC::read(char memory_address, char *data, int size)
-{
- int rc;
- char cmd[size];
- cmd[0] = memory_address;
- rc = i2c.write( adr, cmd, 1, false);
- if (rc !=0){
- return (rc);
- }
- rc = i2c.read ( adr, data, size);
- return (rc);
-}
\ No newline at end of file

Rohm BH1790GLC | Optical Heart Rate Sensor