Digital 16bit Serial Output Type Ambient Light Sensor IC by ROHM, Ambient light sensor (Illuminance to digital converter)

Files at this revision

API Documentation at this revision

Comitter:
kenjiArai
Date:
Wed Aug 23 09:21:39 2017 +0000
Parent:
0:d95f6ac4c8d6
Commit message:
countermeasure for NonCopyable

Changed in this revision

BH1750.cpp Show annotated file Show diff for this revision Revisions of this file
BH1750.h Show annotated file Show diff for this revision Revisions of this file
--- a/BH1750.cpp	Sat Mar 07 23:44:42 2015 +0000
+++ b/BH1750.cpp	Wed Aug 23 09:21:39 2017 +0000
@@ -3,40 +3,38 @@
  *  light intensity sensor module with built-in a 16 bit AD converter generating digital signal.
  *  BH1750 by ROHM Co.,Ltd.
  *
- * Copyright (c) 2015 Kenji Arai / JH1PJL
+ * Copyright (c) 2015,'17 Kenji Arai / JH1PJL
  *  http://www.page.sannet.ne.jp/kenjia/index.html
  *  http://mbed.org/users/kenjiArai/
- *      Created: March      7th, 2015
- *      Revised: March      8th, 2015
- *
- * 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.
+ *      Created: March       7th, 2015
+ *      Revised: August     23rd, 2017
  */
 
 #include "BH1750.h"
 
-BH1750::BH1750 (PinName p_sda, PinName p_scl) : _i2c(p_sda, p_scl)
+BH1750::BH1750 (PinName p_sda, PinName p_scl)
+ : _i2c_p(new I2C(p_sda, p_scl)), _i2c(*_i2c_p)
 {
     BH1750_addr = BH1750_G_CHIP_ADDR;
     init();
 }
 
-BH1750::BH1750 (PinName p_sda, PinName p_scl, uint8_t addr) : _i2c(p_sda, p_scl)
+BH1750::BH1750 (PinName p_sda, PinName p_scl, uint8_t addr)
+ : _i2c_p(new I2C(p_sda, p_scl)), _i2c(*_i2c_p)
 {
     BH1750_addr = addr;
     init();
 }
 
-BH1750::BH1750 (I2C& p_i2c) : _i2c(p_i2c)
+BH1750::BH1750 (I2C& p_i2c)
+ : _i2c(p_i2c)
 {
     BH1750_addr = BH1750_G_CHIP_ADDR;
     init();
 }
 
-BH1750::BH1750 (I2C& p_i2c, uint8_t addr) : _i2c(p_i2c)
+BH1750::BH1750 (I2C& p_i2c, uint8_t addr)
+ : _i2c(p_i2c)
 {
     BH1750_addr = addr;
     init();
@@ -49,7 +47,7 @@
 
     _i2c.read(BH1750_addr, (char *)dt, 2, false);
     lux = (float)(dt[0] << 8 | dt[1]);
-    lux = lux / 1.2 * ((float)sensitivity/69);
+    lux = lux / 1.2f * ((float)sensitivity/69);
     return lux;
 }
 
@@ -97,3 +95,5 @@
 {
     _i2c.frequency(hz);
 }
+
+
--- a/BH1750.h	Sat Mar 07 23:44:42 2015 +0000
+++ b/BH1750.h	Wed Aug 23 09:21:39 2017 +0000
@@ -3,17 +3,11 @@
  *  light intensity sensor module with built-in a 16 bit AD converter generating digital signal.
  *  BH1750 by ROHM Co.,Ltd.
  *
- * Copyright (c) 2015 Kenji Arai / JH1PJL
+ * Copyright (c) 2015,'17 Kenji Arai / JH1PJL
  *  http://www.page.sannet.ne.jp/kenjia/index.html
  *  http://mbed.org/users/kenjiArai/
- *      Created: March      7th, 2015
- *      Revised: March      8th, 2015
- *
- * 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.
+ *      Created: March       7th, 2015
+ *      Revised: August     23rd, 2017
  */
 /*
  *---------------- REFERENCE ----------------------------------------------------------------------
@@ -115,7 +109,8 @@
     void power_down(void);
 
 protected:
-    I2C  _i2c;
+    I2C *_i2c_p;
+    I2C &_i2c;
 
     void init(void);
 
@@ -126,3 +121,4 @@
 };
 
 #endif      // BH1750_H
+