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
Diff: WOLFSON_config.h
- Revision:
- 0:004cb0595aa8
- Child:
- 5:5b120a2d9249
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WOLFSON_config.h Mon Oct 01 18:58:35 2018 +0000 @@ -0,0 +1,43 @@ +#ifndef WOLFSON_config +#define WOLFSON_config +// WM8731 Drivers - from MIKROE LIBSTOCK: https://libstock.mikroe.com/projects/view/304/wm8731-example +/************************************************************************************************** +* WM8731 sound chip register addresses +**************************************************************************************************/ +const int WM8731_ADDRESS = 0x34; // WM8731 chip address on I2C bus +/************************************************************************************************** +* WM8731 sound chip register addresses +**************************************************************************************************/ +const int WM8731_REG_LLINE_IN = 0x00; // Left Channel Line Input Volume Control +const int WM8731_REG_RLINE_IN = 0x01; // Right Channel Line Input Volume Control +const int WM8731_REG_LHPHONE_OUT = 0x02; // Left Channel Headphone Output Volume Control +const int WM8731_REG_RHPHONE_OUT = 0x03; // Right Channel Headphone Output Volume Control +const int WM8731_REG_ANALOG_PATH = 0x04; // Analog Audio Path Control +const int WM8731_REG_DIGITAL_PATH = 0x05; // Digital Audio Path Control +const int WM8731_REG_PDOWN_CTRL = 0x06; // Power Down Control Register +const int WM8731_REG_DIGITAL_IF = 0x07; // Digital Audio Interface Format +const int WM8731_REG_SAMPLING_CTRL = 0x08; // Sampling Control Register +const int WM8731_REG_ACTIVE_CTRL = 0x09; // Active Control +const int WM8731_REG_RESET = 0x0F; // Reset register + +/************************************************************************************************** +* WM8731 sound chip constants (for default set up) +**************************************************************************************************/ +const int _WM8731_LEFT_LINEIN = 0X0180; // MIC SETTINGS: ENABLE MUTE, ENABLE SIMULTANEOUS LOAD TO LEFT AND RIGHT CHANNELS +const int _WM8731_RIGHT_LINEIN = 0X0180; // MIC SETTINGS: ENABLE MUTE, ENABLE SIMULTANEOUS LOAD TO LEFT AND RIGHT CHANNELS +const int _WM8731_LEFT_HP = 0X00F9; // HEADPHONE SETTINGS : 0DB +const int _WM8731_RIGHT_HP = 0X00F9; // HEADPHONE SETTINGS : 0DB +const int _WM8731_ANALOGAUDIO = 0XD0; // DAC SELECT +const int _WM8731_DIGITALAUDIO = 0X00; +const int _WM8731_POWER = 0X00; // DISABLE POWER DOWN +const int _WM8731_DAIF = 0X02; // ENABLE SLAVE MODE, 16BIT DATA AND I2S DATA +const int _WM8731_SAMPLING = 0X00; // 48000HZ,12.288MHz oscillator. +const int _WM8731_ACTIVATE = 0X01; // MODULE IS ON +const int _WM8731_DEACTIVATE = 0X00; // MODULE IS OFF +const int _WM8731_RESET = 0X00; // RESET VALUE + +//do I need to delete these highlighted ones? (ie unused ones?) I think maybe theyre duplicates +/**************************************************************************************************/ + + +#endif \ No newline at end of file