Rory Hand / Mbed 2 deprecated Wolfson_3_wav

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

WOLFSON_config.h@7:fb47ff047ac7, 2018-10-28 (annotated)

Committer:
roryhand
Date:
Sun Oct 28 21:31:58 2018 +0000
Revision:
7:fb47ff047ac7
Parent:
5:5b120a2d9249
Child:
8:40f37287589a
we are now playing sound throughg codec with intwrrupt and block processing.  however, it is either stopping file early, OR  irunning it way too fast.

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 7:fb47ff047ac7 36 const int _WM8731_SAMPLING = 0X00; // 48000HZ,12.288MHz oscillator.
roryhand 5:5b120a2d9249 37 //const int _WM8731_SAMPLING = 0X2E; // 8000HZ,12.288MHz oscillator.
roryhand 7:fb47ff047ac7 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