Analog Devices / mbed-drivers

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

Diff: libraries/cn0216/CN0216.h

Revision:
17:b8356808e8ad
Parent:
13:66c8e4ce4ff1
Child:
18:7d35420ff4aa
diff -r b8a49ec95bad -r b8356808e8ad libraries/cn0216/CN0216.h
--- a/libraries/cn0216/CN0216.h	Fri Apr 29 17:16:55 2016 +0300
+++ b/libraries/cn0216/CN0216.h	Fri Apr 29 17:34:07 2016 +0300
@@ -8,33 +8,32 @@
 class CN0216
 {
 public:
-  typedef enum
-  {
-    ZERO_SCALE_CALIBRATION,
-    FULL_SCALE_CALIBRATION,
-    COMPUTE_GRAM_PER_BIT
-  } CalibrationStep_t;
+    typedef enum {
+        ZERO_SCALE_CALIBRATION, ///< Calibration of the zero scale value
+        FULL_SCALE_CALIBRATION, ///< Calibration of the full scale value
+        COMPUTE_UNITS_PER_BIT   ///< Units per LSB computation
+    } CalibrationStep_t;
 
-  CN0216(PinName CSAD7791 = D8, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK);
-  void init(float cal_weight = _DEFAULT_CAL_WEIGHT, uint8_t mode_val = _DEFAULT_MODE_VAL, uint8_t filter_val = _DEFAULT_FILTER_VAL);
-  void calibrate(CalibrationStep_t cal);
-  float compute_weight(uint32_t data);
-  uint32_t read_u32();
-  float read_weight()  ;
+    CN0216(PinName CSAD7791 = D8, PinName MOSI = SPI_MOSI, PinName MISO = SPI_MISO, PinName SCK = SPI_SCK);
+    void init(float cal_weight = _DEFAULT_CAL_WEIGHT, uint8_t mode_val = _DEFAULT_MODE_VAL, uint8_t filter_val = _DEFAULT_FILTER_VAL);
+    void calibrate(CalibrationStep_t cal);
+    float compute_weight(uint32_t data);
+    uint32_t read_u32();
+    float read_weight();
 
 private:
 
-  const static int _DEFAULT_MODE_VAL = AD7791::MD1 | AD7791::MD0; // POWERDOWN MODE
-  const static int _DEFAULT_FILTER_VAL = AD7791::FS0 | AD7791::FS1 | AD7791::FS2;
-  const static int _NUMBER_OF_SAMPLES = 50;
-  const static int _DEFAULT_CAL_WEIGHT = 1000.0;
+    const static int _NUMBER_OF_SAMPLES = 20; ///< Number of samples used in calibration
+    const static int _DEFAULT_MODE_VAL = AD7791::MD1 | AD7791::MD0; // POWERDOWN MODE
+    const static int _DEFAULT_FILTER_VAL = AD7791::FS0 | AD7791::FS1 | AD7791::FS2;
+    const static int _DEFAULT_CAL_WEIGHT = 1000.0;
 
-  AD7791 ad7791;
-  float _cal_weight;
-  uint32_t _zero_scale_value;
-  uint32_t _full_scale_value;
-  float _grams_per_bit;
-               
+    AD7791 ad7791;
+    float _cal_weight;
+    uint32_t _zero_scale_value;
+    uint32_t _full_scale_value;
+    float _weight_units_per_bit;
+
 };
 
 #endif