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
- Committer:
- roryhand
- Date:
- 2018-10-28
- Revision:
- 7:fb47ff047ac7
- Parent:
- 5:5b120a2d9249
- Child:
- 8:40f37287589a
File content as of revision 7:fb47ff047ac7:
#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_LEFT_HP = 0X00E1; // HEADPHONE SETTINGS : -6?DB //const int _WM8731_RIGHT_HP = 0X00E1; // HEADPHONE SETTINGS : -6?DB const int _WM8731_ANALOGAUDIO = 0XD0; // DAC SELECT const int _WM8731_DIGITALAUDIO = 0X00; //11011 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_SAMPLING = 0X2E; // 8000HZ,12.288MHz oscillator. //const int _WM8731_SAMPLING = 0X18; // 8000HZ,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