does not work yet. Sound starts but then stops after a few seconds, whole thing hangs. Published so as I can import through mbed CLI.

Dependencies:   mbed sinelookup SDFileSystem_Copy_of_mbed_version I2S

Committer:
roryhand
Date:
Sun Dec 02 17:33:43 2018 +0000
Revision:
10:5048aebc394e
Parent:
8:40f37287589a
Child:
9:4d6b9a554550
Version does not work yet.  This has been published so as I can import on mbed command line interface (CLI).

Who changed what in which revision?

UserRevisionLine numberNew contents of line
roryhand 0:004cb0595aa8 1 #ifndef WOLFSON_config
roryhand 0:004cb0595aa8 2 #define WOLFSON_config
roryhand 0:004cb0595aa8 3 // WM8731 Drivers - from MIKROE LIBSTOCK: https://libstock.mikroe.com/projects/view/304/wm8731-example
roryhand 0:004cb0595aa8 4 /**************************************************************************************************
roryhand 0:004cb0595aa8 5 * WM8731 sound chip register addresses
roryhand 0:004cb0595aa8 6 **************************************************************************************************/
roryhand 0:004cb0595aa8 7 const int WM8731_ADDRESS = 0x34; // WM8731 chip address on I2C bus
roryhand 0:004cb0595aa8 8 /**************************************************************************************************
roryhand 0:004cb0595aa8 9 * WM8731 sound chip register addresses
roryhand 0:004cb0595aa8 10 **************************************************************************************************/
roryhand 0:004cb0595aa8 11 const int WM8731_REG_LLINE_IN = 0x00; // Left Channel Line Input Volume Control
roryhand 0:004cb0595aa8 12 const int WM8731_REG_RLINE_IN = 0x01; // Right Channel Line Input Volume Control
roryhand 0:004cb0595aa8 13 const int WM8731_REG_LHPHONE_OUT = 0x02; // Left Channel Headphone Output Volume Control
roryhand 0:004cb0595aa8 14 const int WM8731_REG_RHPHONE_OUT = 0x03; // Right Channel Headphone Output Volume Control
roryhand 0:004cb0595aa8 15 const int WM8731_REG_ANALOG_PATH = 0x04; // Analog Audio Path Control
roryhand 0:004cb0595aa8 16 const int WM8731_REG_DIGITAL_PATH = 0x05; // Digital Audio Path Control
roryhand 0:004cb0595aa8 17 const int WM8731_REG_PDOWN_CTRL = 0x06; // Power Down Control Register
roryhand 0:004cb0595aa8 18 const int WM8731_REG_DIGITAL_IF = 0x07; // Digital Audio Interface Format
roryhand 0:004cb0595aa8 19 const int WM8731_REG_SAMPLING_CTRL = 0x08; // Sampling Control Register
roryhand 0:004cb0595aa8 20 const int WM8731_REG_ACTIVE_CTRL = 0x09; // Active Control
roryhand 0:004cb0595aa8 21 const int WM8731_REG_RESET = 0x0F; // Reset register
roryhand 0:004cb0595aa8 22
roryhand 0:004cb0595aa8 23 /**************************************************************************************************
roryhand 0:004cb0595aa8 24 * WM8731 sound chip constants (for default set up)
roryhand 0:004cb0595aa8 25 **************************************************************************************************/
roryhand 0:004cb0595aa8 26 const int _WM8731_LEFT_LINEIN = 0X0180; // MIC SETTINGS: ENABLE MUTE, ENABLE SIMULTANEOUS LOAD TO LEFT AND RIGHT CHANNELS
roryhand 0:004cb0595aa8 27 const int _WM8731_RIGHT_LINEIN = 0X0180; // MIC SETTINGS: ENABLE MUTE, ENABLE SIMULTANEOUS LOAD TO LEFT AND RIGHT CHANNELS
roryhand 0:004cb0595aa8 28 const int _WM8731_LEFT_HP = 0X00F9; // HEADPHONE SETTINGS : 0DB
roryhand 0:004cb0595aa8 29 const int _WM8731_RIGHT_HP = 0X00F9; // HEADPHONE SETTINGS : 0DB
roryhand 5:5b120a2d9249 30 //const int _WM8731_LEFT_HP = 0X00E1; // HEADPHONE SETTINGS : -6?DB
roryhand 5:5b120a2d9249 31 //const int _WM8731_RIGHT_HP = 0X00E1; // HEADPHONE SETTINGS : -6?DB
roryhand 0:004cb0595aa8 32 const int _WM8731_ANALOGAUDIO = 0XD0; // DAC SELECT
roryhand 5:5b120a2d9249 33 const int _WM8731_DIGITALAUDIO = 0X00; //11011
roryhand 0:004cb0595aa8 34 const int _WM8731_POWER = 0X00; // DISABLE POWER DOWN
roryhand 0:004cb0595aa8 35 const int _WM8731_DAIF = 0X02; // ENABLE SLAVE MODE, 16BIT DATA AND I2S DATA
roryhand 8:40f37287589a 36 //const int _WM8731_SAMPLING = 0X00; // 48000HZ,12.288MHz oscillator.
roryhand 5:5b120a2d9249 37 //const int _WM8731_SAMPLING = 0X2E; // 8000HZ,12.288MHz oscillator.
roryhand 8:40f37287589a 38 const int _WM8731_SAMPLING = 0X18; // 8000HZ,12.288MHz oscillator.
roryhand 0:004cb0595aa8 39 const int _WM8731_ACTIVATE = 0X01; // MODULE IS ON
roryhand 0:004cb0595aa8 40 const int _WM8731_DEACTIVATE = 0X00; // MODULE IS OFF
roryhand 0:004cb0595aa8 41 const int _WM8731_RESET = 0X00; // RESET VALUE
roryhand 0:004cb0595aa8 42
roryhand 0:004cb0595aa8 43 //do I need to delete these highlighted ones? (ie unused ones?) I think maybe theyre duplicates
roryhand 0:004cb0595aa8 44 /**************************************************************************************************/
roryhand 0:004cb0595aa8 45
roryhand 0:004cb0595aa8 46
roryhand 0:004cb0595aa8 47 #endif