RDA5807M.h

00001 
00002 #include "mbed.h"
00003 
00004 class RDA5807M
00005 {
00006     public:
00007 
00008     RDA5807M(PinName sda, PinName scl);
00009     
00010     ~RDA5807M();
00011 
00012 //--------------------------------------------------------------
00013 // Global Functions
00014 //--------------------------------------------------------------
00015 void WriteAll(void);
00016 void WriteReg(int address,int data);
00017 void Init(void);
00018 void Readregisters(void);
00019 void Reset(void);
00020 void PowerOn(void);
00021 void PowerOff(void);
00022 void RDS(void);
00023 void Mute(void);
00024 void Mono(void);
00025 void Softmute(void);
00026 void SoftBlend(void);
00027 void BassBoost(void);
00028 void AFC(void);
00029 void Volume(int vol);
00030 void SeekUp(void);
00031 void SeekDown(void);
00032 void Frequency(float Freq);
00033 void Channel(void);
00034 void getRDS(void);
00035 
00036 // Initialise internal variables before starting or after a change to another channel.
00037 void RDSinit();
00038 
00039 // Pass all available RDS data through this function.
00040 void ProcessData();
00041 
00042 //--------------------------------------------------------------
00043 // Definitions
00044 //--------------------------------------------------------------
00045 /* I2C Address */
00046 #define RDASequential     0x20  // Write address
00047 #define RDARandom         0x22  // Read address
00048 /* Initialization Options */
00049 #define StartingFreq    87.00
00050 #define EndingFreq      108.00
00051 #define DefaultFreq     87.50
00052 #define InitialVolume        4
00053 /* RDA5807M Function Code  */
00054 /* Register 0x02H (16Bits) */
00055 #define RDA_DHIZ        0x8000
00056 #define RDA_MUTE        0x8000
00057 #define RDA_MONO_ON     0x2000
00058 #define RDA_MONO_OFF    0xDFFF
00059 #define RDA_BASS_ON     0x1000
00060 #define RDA_BASS_OFF    0xEFFF
00061 #define RDA_RCLK_MODE   0x0800
00062 #define RDA_RCLK_DIRECT 0x0400
00063 #define RDA_SEEK_UP     0x0300
00064 #define RDA_SEEK_DOWN   0x0100
00065 #define RDA_SEEK_STOP   0xFCFF
00066 #define RDA_SEEK_WRAP   0x0080
00067 #define RDA_SEEK_NOWRAP 0xFF7F
00068 #define RDA_CLK_0327    0x0000
00069 #define RDA_CLK_1200    0x0010
00070 #define RDA_CLK_2400    0x0050
00071 #define RDA_CLK_1300    0x0020
00072 #define RDA_CLK_2600    0x0060
00073 #define RDA_CLK_1920    0x0030
00074 #define RDA_CLK_3840    0x0070
00075 #define RDA_RDS_ON      0x0008
00076 #define RDA_RDS_OFF     0xFFF7
00077 #define RDA_NEW         0x0004
00078 #define RDA_RESET       0x0002
00079 #define RDA_POWER       0x0001
00080 /* Register 0x03H (16Bits) */
00081 #define RDA_TUNE_ON     0x0010
00082 #define RDA_TUNE_OFF    0xFFEF
00083 //--------------------------------------------------------------
00084 // Global Variables
00085 //--------------------------------------------------------------
00086 //
00087 int tuneok,nochannel,power,volume,softblend,bass,mute,softmute,mono,afc,stereo,signal,fmready,fmstation;
00088 int rdsblockerror,rdssynchro,rdsready,rds,block1,block2,block3,block4;
00089 
00090 char    StationName[10];    // Station Name. 8 characters
00091 char    RDSText[66];        // RDS test message 64 characters
00092 char    CTtime[12];         // CT time string formatted as 'CT hh:mm'  
00093 int     minutes;            // CT minutes transmitted on the minute
00094 float   freq;               // Tuned frequency
00095 
00096 //--------------------------------------------------------------
00097 
00098 private:
00099 
00100 I2C i2c;
00101 
00102     unsigned int RDA5807M_WriteReg[8],RDA5807M_ReadReg[7],RDA5807M_RDS[32];
00103 
00104     // ----- actual RDS values
00105     int textAB, lasttextAB, lastTextIDX;
00106     int rdsGroupType, rdsTP, rdsPTY;
00107     
00108     int mins;           // RDS time in minutes
00109     int lastmins;
00110     int i,n;
00111     int idx;            // index of rdsText  
00112     int offset;         // RDS time offset and sign
00113     char c1, c2;
00114     char RDSTxt[66];
00115     char PSName[10];    // including trailing '\00' character.
00116     char PSName1[10];   
00117     char PSName2[10];   
00118 };