Diff: CN0391.h

Revision:

0:69053d5c21ee

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CN0391.h	Mon Nov 07 15:48:05 2016 +0000
@@ -0,0 +1,136 @@
+#ifndef _CN0391_H_
+#define _CN0391_H_
+#include "AD7124.h"
+#include "Thermocouple.h"
+
+
+/**
+ * @brief Thermocouple_Channel class
+ */
+class Thermocouple_Channel
+{
+private:
+public:
+	/**
+	 * @brief Thermocouple channel constructor
+	 */
+    Thermocouple_Channel();
+    /**
+     * @brief Constructs thermocouple channel using thermocouple type t
+     */
+    Thermocouple_Channel(Thermocouple *t);
+
+    Thermocouple *t;
+    uint16_t thermocouple_channel;
+    uint16_t rtd_channel;
+    uint16_t calibration_channel;
+    float calibration_current;
+
+	/**
+	 * @brief gets thermocouple type
+	 * @return thermocouple type
+	 */
+    Thermocouple* get_thermocouple_type();
+
+	/**
+	 * @brief sets new thermocouple type
+	 * @param new_t new thermocouple type
+	 */
+    void set_thermocouple_type(Thermocouple* new_t);
+
+    /**
+     * @brief sets up thermocouple channel
+     * @param new_t thermocouple type
+     * @param thermocouple_channel - thermocouple ADC channel
+     * @param rtd_channel - RTD ADC channel
+     * @param calibration_channel - ADC channel used in calibration
+     *
+     */
+    void setup_channel(Thermocouple* new_t, uint16_t thermocouple_channel, uint16_t rtd_channel, uint16_t calibration_channel);
+};
+
+class CN0391
+{
+private:
+public:
+    CN0391(PinName cs);
+
+    typedef enum {
+        CHANNEL_P1 = 0,
+        CHANNEL_P2,
+        CHANNEL_P3,
+        CHANNEL_P4
+    } channel_t;
+
+    Thermocouple_Channel tc[4];
+
+    /**
+     * @brief sets channel with thermocouple type
+     * @param ch - channel
+     * @param new_t - thermocouple type
+     */
+    void set_thermocouple_type(channel_t ch, Thermocouple* new_t);
+
+    /**
+     * @brief Reads thermocouple channel
+     * @param ch - channel
+     */
+    float read_channel(channel_t ch);
+
+    /**
+     * @brief Calibrate channel
+     * @param ch - channel
+     */
+    float calibrate(channel_t ch);
+
+
+    /**
+     * @brief converts ADC  counts to voltage
+     * @param data - ADC counts
+     * @return voltage
+     */
+    float data_to_voltage(uint32_t data);
+
+    /**
+     * @brief enables thermocouple channel
+     * @param channel
+     */
+    void enable_channel(int channel);
+
+    /**
+     * @brief disables thermocouple channel
+     * @param channel
+     */
+    void disable_channel(int channel);
+
+    /**
+     * @brief enables ADC current source
+     * @param current_source_channel
+     */
+    void enable_current_source(int current_source_channel);
+
+    /**
+     * @brief starts ADC single conversion
+     */
+    void start_single_conversion();
+
+    /**
+     * @brief resets the ADC
+     */
+    void reset();
+
+    /**
+     * @brief Performs ADC setup
+     */
+    void setup();
+
+    /**
+     * @brief Initializes the CN0391 shield
+     */
+    void init();
+
+    AD7124 ad7124;
+
+
+};
+#endif