Diff: TEA5767.h

Revision:

0:bb7cae1d62ce

Child:

1:d7804b4d7fa5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/TEA5767.h	Thu Oct 03 19:18:11 2013 +0000
@@ -0,0 +1,102 @@
+#pragma once 
+#include "mbed.h"
+
+class TEA5767
+{
+
+public:
+       /** Creates an TEA5767 object connected to the specified I2C object
+        *
+        * @param sda  I2C data port
+        * @param scl  I2C clock port
+        * @param addr the I2C address of the TEA5767 device
+        */ 
+      TEA5767(PinName sda, PinName scl, int addr);
+       
+       /** Destroys a TEA5767 object
+        *
+        */
+      ~TEA5767();
+      
+       /** Set the band FM
+        *
+        * @param valueBand set the band ('e' = EUROPE/US - 'j' = JAPANESE)
+        */ 
+      void SetBand(char valueBand);
+      
+       /** Set the radio frequency 
+        *
+        * @param freq frequency
+        * @param side side injection mode ('h' = HIGH - 'l' = LOW)
+        */ 
+      void SetFrequency(double freq, char side = 'h');
+           
+       /** Auto search up frequency 
+        *
+        * @param freq frequency
+        */       
+      void SearchUp(float freq);
+
+       /** Auto search down frequency
+        *
+        * @param freq frequency
+        */ 
+      void SearchDown(float freq);
+      
+       /** Read the current frequancy
+        *
+        * @returns the current frequency
+        */ 
+      float FreqCurrent();
+      
+       /** Checks if the address exist on an I2C bus 
+        *
+        * @returns 0 on success, or non-0 on failure
+        */ 
+      int CheckDevice();
+      
+       /** Read the signal level of the band
+        *
+        * @returns the signal level
+        */ 
+      int SignalLevel();
+
+
+private:
+
+       /** Initialization of the device
+        *
+        */ 
+      void Init();
+      
+       /** calculation of the high or low side injection 
+        *
+        * @param freq the wanted tuning frequency
+        * @param mode I2C high ('h') or low ('l') side injection
+        * @returns decimal value of PLL word
+        */ 
+      unsigned int SideInjection(float freq, char mode);
+      
+       /** Set the 5 address of the device   
+        *
+        * @param N      14bits PLL word
+        * @param data_1 set the bit 7 and 6 of 1st data byte (default value = 0x00)
+        * @param data_3 set the 3th data byte (default value = 0x10)
+        * @param data_4 set the 4th data byte (default value = 0x10)
+        * @param data_5 set the 5th data byte (default value = 0x00)
+        */ 
+      void SetData(unsigned int N, char data_1 = 0x00, char data_3 = 0x10, char data_4 = 0x10, char data_5 = 0x00);
+               
+       /** Read the 5 address of the device   
+        *
+        * @param buf buffer in which the 5 addresses are saved
+        */ 
+      void GetData(char* buf);
+      
+      char band;
+      char side;
+      unsigned int frequency;
+      I2C i2c;
+      int addr; 
+
+};
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