| /* ---------------------------------------------------------------------------- | |
| * ATMEL Microcontroller Software Support | |
| * ---------------------------------------------------------------------------- | |
| * Copyright (c) 2008, Atmel Corporation | |
| * | |
| * All rights reserved. | |
| * | |
| * Redistribution and use in source and binary forms, with or without | |
| * modification, are permitted provided that the following conditions are met: | |
| * | |
| * - Redistributions of source code must retain the above copyright notice, | |
| * this list of conditions and the disclaimer below. | |
| * | |
| * Atmel's name may not be used to endorse or promote products derived from | |
| * this software without specific prior written permission. | |
| * | |
| * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR | |
| * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE | |
| * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, | |
| * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
| * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
| * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, | |
| * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| * ---------------------------------------------------------------------------- | |
| */ | |
| #ifndef AC97C_H | |
| #define AC97C_H | |
| //------------------------------------------------------------------------------ | |
| // Constants | |
| //------------------------------------------------------------------------------ | |
| /// The channel is already busy with a transfer. | |
| #define AC97C_ERROR_BUSY 1 | |
| /// The transfer has been stopped by the user. | |
| #define AC97C_ERROR_STOPPED 2 | |
| /// Codec channel index. | |
| #define AC97C_CHANNEL_CODEC 0 | |
| /// Channel A index. | |
| #define AC97C_CHANNEL_A 1 | |
| /// Channel B index. | |
| #define AC97C_CHANNEL_B 2 | |
| /// Codec transmit/receive transfer index. | |
| #define AC97C_CODEC_TRANSFER 0 | |
| /// Channel A receive transfer index. | |
| #define AC97C_CHANNEL_A_RECEIVE 1 | |
| /// Channel A transmit transfer index. | |
| #define AC97C_CHANNEL_A_TRANSMIT 2 | |
| /// Channel B receive transfer index. | |
| #define AC97C_CHANNEL_B_RECEIVE 3 | |
| /// Channel B transmit transfer index. | |
| #define AC97C_CHANNEL_B_TRANSMIT 4 | |
| //------------------------------------------------------------------------------ | |
| // Types | |
| //------------------------------------------------------------------------------ | |
| /// AC97C transfer callback function. | |
| typedef void (*Ac97Callback)(void *pArg, | |
| unsigned char status, | |
| unsigned int remaining); | |
| //------------------------------------------------------------------------------ | |
| // Exported functions | |
| //------------------------------------------------------------------------------ | |
| extern void AC97C_Configure(); | |
| extern void AC97C_ConfigureChannel(unsigned char channel, unsigned int cfg); | |
| extern void AC97C_AssignInputSlots(unsigned char channel, unsigned int slots); | |
| extern void AC97C_AssignOutputSlots(unsigned char channel, unsigned int slots); | |
| extern unsigned char AC97C_Transfer( | |
| unsigned char channel, | |
| unsigned char *pBuffer, | |
| unsigned int numSamples, | |
| Ac97Callback callback, | |
| void *pArg); | |
| extern unsigned char AC97C_IsFinished(unsigned char channel); | |
| extern void AC97C_WriteCodec(unsigned char address, unsigned short data); | |
| extern unsigned short AC97C_ReadCodec(unsigned char address); | |
| extern void AC97C_SetChannelSize(unsigned char channel, unsigned char size); | |
| extern void AC97C_CancelTransfer(unsigned char channel); | |
| #endif //#ifndef AC97C_H | |