cs42l51.h File Reference

CS42L51 codec support functions. More...

#include <stdint.h>

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Macros
#define	CODEC_I2C   CARME_I2C_AUDIO
#define	CODEC_I2S   SPI2
#define	CODEC_I2S_EXT   I2S2ext
#define	CODEC_I2S_CLK   RCC_APB1Periph_SPI2
#define	CODEC_ADDRESS   0x94
#define	CHIP_ID   0x01
#define	POWER_CONTROL   0x02
#define	MIC_POWER_AND_SPEED   0x03
#define	INTERFACE_CONTROL   0x04
#define	MIC_CONTROL   0x05
#define	ADC_CONTROL   0x06
#define	ADC_CONFIGURE   0x07
#define	DAC_OUTPUT_CONTROL   0x08
#define	DAC_CONTROL   0x09
#define	ALCA_AND_PGAA_CONTROL   0x0A
#define	ALCB_AND_PGAB_CONTROL   0x0B
#define	ADCX_ATTENUATOR   0x0D
#define	ADCX_MIXER_VOLUME_CONTROL   0x0F
#define	PCMA_MIXER_VOLUME_CONTROL   0x10
#define	PCMB_MIXER_VOLUME_CONTROL   0x11
#define	BEEP_FREQUENCY_AND_TIMING   0x12
#define	BEEP_OFF_TIME_AND_VOLUME   0x13
#define	BEEP_AND_TONE_CONFIGURATION   0x14
#define	TONE_CONTROL   0x15
#define	AOUTA_VOLUME_CONTROL   0x16
#define	AOUTB_VOLUME_CONTROL   0x17
#define	PCM_CHANNEL_MIXER   0x18
#define	LIMITER_THRESHOLD   0x19
#define	LIMITER_RELEASE   0x1A
#define	LIMITER_ATTACK   0x1B
#define	ALC_ENABLE_AND_ATTACK   0x1C
#define	ALC_RELEASE   0x1D
#define	ALC_THRESHOLD   0x1E
#define	NOISE_GATE   0x1F
#define	STATUS_REGISTER   0x20
#define	CHARGE_PUMP_FREQUENCY   0x21

Functions
uint8_t	CS42L51_Init (int8_t Volume)
	Codec CS42L51 low-layer and register initialization. More...
uint8_t	CS42L51_Status (void)
	Get the status of the cs42l51 codec. More...
void	CS42L51_VolumeOutCtrl (int8_t Volume)
	Codec CS42L51 output volume control. More...
void	CS42L51_Mute (uint8_t on)
	Mute the CS42L51 output. More...

Detailed Description

CS42L51 codec support functions.

Version

1.0

Date

2013-03-11

Author

rct1

Copyright

This software can be used by students and other personal of the Bern University of Applied Sciences under the terms of the MIT license. For other persons this software is under the terms of the GNU General Public License version 2.

Copyright © 2013, Bern University of Applied Sciences. All rights reserved.

MIT License

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

GNU GENERAL PUBLIC LICENSE

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Definition in file cs42l51.h.