vs1053.c
56 lines
| 1.8 KiB
| text/x-c
|
CLexer
|
r26 | #/*------------------------------------------------------------------------------ | ||
#-- This file is a part of the libuc, microcontroler library | ||||
#-- Copyright (C) 2011, Alexis Jeandet | ||||
#-- | ||||
#-- 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 3 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||||
#------------------------------------------------------------------------------- | ||||
#-- Author : Alexis Jeandet | ||||
#-- Mail : alexis.jeandet@gmail.com | ||||
#-------------------------------------------------------------------------------*/ | ||||
#include "ssp.h" | ||||
#include "vs1053.h" | ||||
//#include <bsp.h> | ||||
void vs1053open(vs1053Dev* codec,sspDev dev){ | ||||
codec->SSP_device = dev; | ||||
} | ||||
void vs1053softreset(vs1053Dev* dev) | ||||
{ | ||||
vs1053cmdwrite(dev,VSMODE,(1<<2)); | ||||
} | ||||
int vs1053cmdread(vs1053Dev* dev,char address) | ||||
{ | ||||
int result; | ||||
while(!vs10XXDREQ()); | ||||
vs10XXclearXCS(); | ||||
sspputw(dev->SSP_device,(3<<8)+address); | ||||
result = sspgetw(dev->SSP_device); | ||||
vs10XXsetXCS(); | ||||
return result; | ||||
} | ||||
void vs1053cmdwrite(vs1053Dev* dev,char address,int value) | ||||
{ | ||||
while(!vs10XXDREQ()); | ||||
vs10XXclearXCS(); | ||||
sspputw(dev->SSP_device,(2<<8)+address); | ||||
sspputw(dev->SSP_device,value); | ||||
vs10XXsetXCS(); | ||||
} | ||||