Diff: BH1750.h

Revision:

0:bea4477679ee

Child:

1:8115dc8275eb

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/BH1750.h	Thu Aug 10 12:47:55 2017 +0000
@@ -0,0 +1,81 @@
+#ifndef BH1750_H
+#define BH1750_H
+ 
+#include "mbed.h"
+ 
+//!Library for the BH1750 Digital 16-bit Serial Output Type Ambient Light Sensor IC.
+
+/**
+  * @brief   DEFAULT ADDRESS
+  */
+#define BH1750_ADDR_L                               0x23
+#define BH1750_ADDR_H                               0x5C
+
+/**
+  * @brief   COMMAND REGISTERS
+  */
+#define BH1750_POWER_DOWN                           0x00        /*!<   No active state                                                                                                                                  */
+#define BH1750_POWER_ON                             0x01        /*!<   Waiting for measurement command                                                                                                                  */
+#define BH1750_RESET                                0x07        /*!<   Reset Data register value. Reset command is not acceptable in Power Down mode                                                                    */
+#define BH1750_CONTINUOUSLY_H_RESOLUTION_MODE       0x10        /*!<   Start measurement at 1lx resolution. Measurement Time is typically 120ms                                                                         */
+#define BH1750_CONTINUOUSLY_H_RESOLUTION_MODE2      0x11        /*!<   Start measurement at 0.5lx resolution. Measurement Time is typically 120ms                                                                       */
+#define BH1750_CONTINUOUSLY_L_RESOLUTION_MODE       0x13        /*!<   Start measurement at 4lx resolution. Measurement Time is typically 16ms                                                                          */
+#define BH1750_ONE_TIME_H_RESOLUTION_MODE           0x20        /*!<   Start measurement at 1lx resolution. Measurement Time is typically 120ms. It is automatically set to Power Down mode after measurement           */
+#define BH1750_ONE_TIME_H_RESOLUTION_MODE2          0x21        /*!<   Start measurement at 0.5lx resolution. Measurement Time is typically 120ms. It is automatically set to Power Down mode after measurement         */
+#define BH1750_ONE_TIME_L_RESOLUTION_MODE           0x23        /*!<   Start measurement at 4lx resolution. Measurement Time is typically 16ms. It is automatically set to Power Down mode after measurement            */
+
+
+/**
+  * @brief   SENSITIVITY
+  */
+#define BH1750_SENSITIVITY_DEFAULT                  0x45        /*!<   Measurement Time Register by default. This is for registration of measurement time                                                                         */
+
+
+/**
+  * @brief   INTERNAL CONSTANTS
+  */
+#define BH1750_SUCCESS                              0x00
+#define BH1750_FAILURE                              0x01
+#define I2C_SUCCESS                                 0x00
+
+
+
+/*!
+[todo] 
+*/
+class BH1750
+{
+public:
+  //!Creates an instance of the class.
+  /*!
+  [todo] 
+  */
+  BH1750 ( PinName sda, PinName scl, uint32_t addr, uint32_t hz );
+  
+  /*!
+  Destroys instance.
+  */ 
+  ~BH1750();
+  
+  //![todo] 
+  /*!
+  [todo] 
+  */
+
+  
+  uint32_t  BH1750_PowerDown          ();
+  uint32_t  BH1750_PowerOn            ();
+  uint32_t  BH1750_ResetDataRegister  ();
+  uint32_t  BH1750_TriggerMeasurement ( uint32_t MODE );
+  uint32_t  BH1750_NewSensitivity     ( uint8_t newSensitivity );
+  uint32_t  BH1750_ReadRawData        ( char* myRawData );
+  uint32_t  BH1750_ReadLux            ( float* myLux );
+  
+  
+private:
+  I2C      i2c;
+  uint32_t BH1750_Addr;
+  uint32_t BH1750_Mode;
+};
+ 
+#endif