This library controls a ST TDA7419 audio control IC. This is part of a project to implement an mbed controlled car stereo. The TDA7419 will take in stereo and output four channels of audio plus a subwoofer channel.
PreampTDA7419.h
- Committer:
- danielashercohen
- Date:
- 2014-10-19
- Revision:
- 0:86ea14016b10
- Child:
- 1:69c37f1ab7df
File content as of revision 0:86ea14016b10:
/** TDA7419 PreAmp library, I2C * * @Author: Dan Cohen */ #ifndef DigoleSerialDisp_h #define DigoleSerialDisp_h #include "mbed.h" #include <inttypes.h> /////////////////////////// // Variables for TDA7419 // /////////////////////////// // I2C address for TDA7419 #define TDA7419_ADDRESS 0x44 #define DEC 10 #define HEX 16 #define OCT 8 #define BIN 2 /** TDA7419 PreAmp library * * Includes the commands for volume, fader, subwoofer and tone controls * */ class PreampTDA7419 { public: /** Create a new Digole Serial Display interface * * @param sda is the pin for I2C SDA * @param scl is the pin for I2C SCL * @param address is the 7-bit address (default is 0x27 for the device) */ PreampTDA7419(PinName sda, PinName scl); /** Sets a new I2C address for the Preamp board (perhaps not useful as it is fixed for the TDA4719) * @param address is the the new address */ void setI2CAddress(uint8_t add); /** Set up the TDA7419 to default values that will allow audio to pass through the device * */ void initialize(); int i2c_write(char command, char value); private: I2C _device; uint8_t _address; uint8_t _Comdelay; }; #endif