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/*------------------------------------------------------------------------------
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#-- This file is a part of the libuc, microcontroler library
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#-- Copyright (C) 2011, Alexis Jeandet
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#--
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#-- This program is free software; you can redistribute it and/or modify
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#-- it under the terms of the GNU General Public License as published by
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#-- the Free Software Foundation; either version 3 of the License, or
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#-- (at your option) any later version.
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#--
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#-- This program is distributed in the hope that it will be useful,
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#-- but WITHOUT ANY WARRANTY; without even the implied warranty of
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#-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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#-- GNU General Public License for more details.
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#--
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#-- You should have received a copy of the GNU General Public License
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#-- along with this program; if not, write to the Free Software
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#-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#-------------------------------------------------------------------------------
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#-- Author : Alexis Jeandet
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#-- Mail : alexis.jeandet@member.fsf.org
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#-------------------------------------------------------------------------------*/
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#include <spi.h>
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#include <VS10XX.h>
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#include <core.h>
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#include <stdio.h>
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//#include <bsp.h>
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void vs10XXopen(vs10XXDev *codec, spi_t dev, void (*setxCS)(char), void (*setxRST)(char), void (*setxDCS)(char), int (*getDREQ)())
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{
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codec->SPIdev = dev;
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codec->setxCS = setxCS;
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codec->setxDCS = setxDCS;
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codec->setxRST = setxRST;
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codec->getDREQ = getDREQ;
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codec->setxDCS(1);
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codec->setxCS(1);
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codec->setxRST(0);
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delay_100us(2);
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codec->setxRST(1);
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int status;
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do{
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status= vs10XXcmdread(codec,VSSTATUS);
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}while (status==0xc);
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printf("Status=0x%x\n",status);
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status = (status>>4) & 0xF;
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switch (status) {
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case 0:
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codec->VERSION = VS1001;
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break;
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case 1:
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codec->VERSION = VS1011;
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break;
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case 2:
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codec->VERSION = VS1002;
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break;
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case 3:
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codec->VERSION = VS1003;
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break;
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case 4:
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codec->VERSION = VS1053;
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break;
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case 5:
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codec->VERSION = VS1033;
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break;
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case 7:
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codec->VERSION = VS1103;
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break;
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default:
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codec->VERSION = UNKNOWN;
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break;
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}
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}
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void vs10XXsoftreset(vs10XXDev* dev)
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{
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vs10XXcmdwrite(dev,VSMODE,(1<<2));
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}
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void vs10XXsetCansel(vs10XXDev* dev)
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{
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int mode=vs10XXcmdread(dev,VSMODE);
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vs10XXcmdwrite(dev,VSMODE,mode|8);
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}
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void vs10XXsoftReset(vs10XXDev* dev)
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{
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int mode=vs10XXcmdread(dev,VSMODE);
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vs10XXcmdwrite(dev,VSMODE,mode|4);
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}
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int vs10XXcanselAccepted(vs10XXDev* dev)
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{
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int mode=vs10XXcmdread(dev,VSMODE);
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return ((mode & 8)!=8);
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}
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int vs10XXcmdread(vs10XXDev* dev,char address)
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{
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int result;
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while(!dev->getDREQ());
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dev->setxCS(0);
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spiputw(dev->SPIdev,3);
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spiputw(dev->SPIdev,address);
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result = (0xFF00 & (spigetw(dev->SPIdev)<<8)) + (0xFF & spigetw(dev->SPIdev));
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dev->setxCS(1);
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return result;
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}
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void vs10XXcmdwrite(vs10XXDev* dev,char address,int value)
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{
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while(!dev->getDREQ());
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dev->setxCS(0);
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spiputw(dev->SPIdev,2<<8);
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spiputw(dev->SPIdev,address);
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spiputw(dev->SPIdev,value>>8);
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spiputw(dev->SPIdev,value);
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dev->setxCS(1);
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}
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void vs10XXstream32bytes(vs10XXDev* dev,char* buffer)
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{
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while(!dev->getDREQ());
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dev->setxCS(1);
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dev->setxDCS(0);
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spiputnc(dev->SPIdev,buffer,32);
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dev->setxDCS(1);
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}
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