📄 upsd_sound_studio.c
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/* `=========================================================================`
***************************************
**** * * ****
Title: UPSD_SOUND_STUDIO
File name: uPSD_Sound_Studio.c
Project name: UPSD_SOUND_STUDIO
*** ****
****************** * ******************
**** ****
Author: Petr PFEIFER
MPG Prague, Czech Republic
**** * * ****
***************************************
$Version: 0.016 Build: 2004-04-17,20:58:46
Description:
============
uPSD Sound Studio - Beta release
Notes:
======
-internal copy
- requires active src-control
..........................
. .
. ****************** .
. **PPPPPPPPPPPPPPPP .
. *PPPP*******PP**** .
. **PPP********PP*** .
. ***PPP******PP**** .
. *****PPP****PP**** .
. *****PPP****PP**** .
. PPPPPPPP****PP**** (R) .
. .
..........................
=-=-=-=-=-=
=-=-=-=-=-=-=-=-=-=-=-=-=
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Copyright (c) 2004 ST Microelectronics
This code/file is provided as is and has no warranty,
implied or otherwise. You are free to use/modify any of the provided
code at your own risk in your applications with the expressed limitation
of liability (see below) so long as your product using the code
contains at least one uPSD products (device).
LIMITATION OF LIABILITY:
========================
NEITHER STMicroelectronics NOR ITS VENDORS OR AGENTS
SHALL BE LIABLE FOR ANY LOSS OF PROFITS, LOSS OF USE, LOSS OF DATA,
INTERRUPTION OF BUSINESS, NOR FOR INDIRECT, SPECIAL, INCIDENTAL OR
CONSEQUENTIAL DAMAGES OF ANY KIND WHETHER UNDER THIS AGREEMENT OR
OTHERWISE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
=-=-=-=-=-=-=-=-=-=-=-=-=
=-=-=-=-=-=
For current information on uPSD products,
please consult our pages on the World Wide Web:
www.st.com/psm
- - - - - - - - - - - -
STMicroelectronics GROUP OF COMPANIES
Australia - Brazil - China - Czech Republic - Finland - France - Germany
Hong Kong - India - Italy - Japan - Malaysia - Malta - Morocco - Singapore
Spain - Sweden - Switzerland - United Kingdom - U.S.A.
http://www.st.com
`========================================================================` */
#pragma CODE
#pragma NOAREGS
#include "upsd3200.h"
#include "upsd_hardware.h"
static data unsigned int uPSDSoundStudio_PlayAddress,uPSDSoundStudio_EndAddress,uPSDSoundStudio_FS,uPSDSoundStudio_DCNT;
static data unsigned char uPSDSoundStudio_PlayPage,uPSDSoundStudio_EndPage;
#define uPSDSoundStudio_ZeroLevel 128
static xdata PSD_REGS uPSD_CSIOPxx_reg _at_ PSD_REG_ADDR;
// Define PSD registers at address "csiop" space
static void MAIN_INT_ISR (void) interrupt TF2_VECTOR using 3 // Timer2
/******************************************************************************
Function : static void MAIN_INT_ISR ()
Parameters : (void)
Description: The main Sound g. INTerrupt
******************************************************************************/
{
#pragma asm
push PSW
push ACC
push DPL
push DPH
clr TF2
mov DPTR,#uPSD_CSIOPxx_reg+0XE0 ;PAGE REG.
movx A,@DPTR
push ACC
mov A,uPSDSoundStudio_PlayPage
movx @DPTR,A
mov A,uPSDSoundStudio_PlayAddress+0 ;HIGH Byte
jz PLAY_STOP ; no sound !
mov DPL,uPSDSoundStudio_PlayAddress+1
mov DPH,uPSDSoundStudio_PlayAddress+0
movx A,@DPTR
mov PWM0,A
inc uPSDSoundStudio_PlayAddress+1
mov A,uPSDSoundStudio_PlayAddress+1
jnz PLAY_TESTA
inc uPSDSoundStudio_PlayAddress+0
mov A,uPSDSoundStudio_PlayAddress+0
jnz PLAY_TESTA
orl uPSDSoundStudio_PlayAddress+0,#0x80
inc uPSDSoundStudio_PlayPage
anl uPSDSoundStudio_PlayPage,#0x07
mov A,uPSDSoundStudio_PlayPage
jnz PLAY_TESTA
PLAY_STOP: mov uPSDSoundStudio_PlayAddress+0,#0 ;STOP !
mov uPSDSoundStudio_PlayAddress+1,#0 ;STOP !
mov uPSDSoundStudio_PlayPage,#0
mov PWM0,#uPSDSoundStudio_ZeroLevel
mov PWM1,#uPSDSoundStudio_ZeroLevel
jmp PLAY_END
PLAY_TESTA: mov A,uPSDSoundStudio_PlayAddress+1
cjne A,uPSDSoundStudio_EndAddress+1,PLAY_END
mov A,uPSDSoundStudio_PlayAddress+0
cjne A,uPSDSoundStudio_EndAddress+0,PLAY_END
mov A,uPSDSoundStudio_PlayPage
cjne A,uPSDSoundStudio_EndPage,PLAY_END
jmp PLAY_STOP ; no sound !
PLAY_END:
mov A,uPSDSoundStudio_DCNT+0
orl A,uPSDSoundStudio_DCNT+1
jz PINT_END
mov A,uPSDSoundStudio_DCNT+1
dec uPSDSoundStudio_DCNT+1
jnz PINT_END
dec uPSDSoundStudio_DCNT+0
PINT_END:
mov DPTR,#uPSD_CSIOPxx_reg+0XE0 ;PAGE REG.
pop ACC
movx @DPTR,A
pop DPH
pop DPL
pop ACC
pop PSW
reti
#pragma endasm
}
void uPSDSoundStudio_Init(void)
/******************************************************************************
Function : void InitPlay()
Parameters : (void)
Description: Initializes Sound Studio
******************************************************************************/
{
EA = 0;
PSCL0L = 0;
PSCL0H = 0;
PWM0 = 0;
PWM1 = 0;
PWMCON = 0x23;
P4SFS |= 0x18; //enable PWM4+0+1
T2MOD = 0; //cnt mode
T2CON &= 0x30;
T2CON |= 0x04;
uPSDSoundStudio_FS = 100;
RCAP2H =~(((FREQ_OSC/uPSDSoundStudio_FS/12)-1)>>8);
RCAP2L =~ ((FREQ_OSC/uPSDSoundStudio_FS/12)-1);
TL2 = 1;
TH2 = 1;
PWM0 = uPSDSoundStudio_ZeroLevel;
PWM1 = uPSDSoundStudio_ZeroLevel;
IP = 0x20; //Timer2 INT has the highest priprity
IPA = 0x00; //Timer2 INT has the highest priprity
ET2 = 1; // enable timer 2 interrupt
uPSDSoundStudio_PlayAddress = 0;
uPSDSoundStudio_PlayPage = 0;
uPSDSoundStudio_EndAddress = 0;
uPSDSoundStudio_EndPage = 0;
EA = 1;
}
void uPSDSoundStudio_NoSound(void)
/******************************************************************************
Function : void uPSDSoundStudio_NoSound()
Parameters : (void)
Description: Stops playing
******************************************************************************/
{
uPSDSoundStudio_PlayAddress = 0;
uPSDSoundStudio_PlayPage = 0;
uPSDSoundStudio_EndAddress = 0;
uPSDSoundStudio_EndPage = 0;
uPSDSoundStudio_FS = 1000;
}
void uPSDSoundStudio_PlayItemSpec(unsigned char ItemOrder, unsigned int UserData)
/******************************************************************************
Function : void uPSDSoundStudio_PlayItemSpec()
Parameters : unsigned char ItemOrder, unsigned int UserData
Description: Plays specified item with user data
ItemOrder = 0 - silence of duration UserData in ms
<128 - Item order + waits for end of play
>=128 - Item order-128, no wait
******************************************************************************/
{
if (ItemOrder == 0)
{
uPSDSoundStudio_FS = 1000;
uPSDSoundStudio_DCNT = UserData;
}
else
{
uPSDSoundStudio_FS = ItemOrder & 0x7F;
EA = 0;
#pragma asm
push ACC
push DPH
push DPL
mov DPTR,#uPSD_CSIOPxx_reg+0XE0 ;PAGE REG.
clr A
movx @DPTR,A ;PAGE #0
mov DPTR,#0x8000
movx A,@DPTR
cjne A,#0x75,PLAY_INIT_ERROR ;wrong ID
inc DPTR
movx A,@DPTR
cjne A,#0x53,PLAY_INIT_ERROR ;wrong ID
inc DPTR
movx A,@DPTR
cjne A,#0x53,PLAY_INIT_ERROR ;wrong ID
mov DPL,#0x08
jmp PLAY_INIT_FIND
PLAY_INIT_ERROR:
mov uPSDSoundStudio_FS+0,#0
mov uPSDSoundStudio_FS+1,#0
jmp PLAY_INIT_END
PLAY_INIT_FINDLOOP:
movx A,@DPTR
jz PLAY_INIT_ERROR ;wrong item number
inc DPTR
inc DPTR
inc DPTR
inc DPTR
inc DPTR
inc DPTR
PLAY_INIT_FIND:
djnz uPSDSoundStudio_FS+1,PLAY_INIT_FINDLOOP
PLAY_INIT_FIND_END:
movx A,@DPTR
cjne A,#1,PLAY_INIT_ERROR ;ONLY PURE WAV, MONO supported
inc DPTR
movx A,@DPTR
mov uPSDSoundStudio_FS+1,A ;low
inc DPTR
movx A,@DPTR
mov uPSDSoundStudio_FS+0,A ;high
inc DPTR
movx A,@DPTR
mov uPSDSoundStudio_PlayAddress+1,A ;low
inc DPTR
movx A,@DPTR
mov uPSDSoundStudio_PlayAddress+0,A ;high
inc DPTR
movx A,@DPTR
mov uPSDSoundStudio_PlayPage,A
inc DPTR
inc DPTR
inc DPTR
inc DPTR
movx A,@DPTR
mov uPSDSoundStudio_EndAddress+1,A
inc DPTR
movx A,@DPTR
mov uPSDSoundStudio_EndAddress+0,A
inc DPTR
movx A,@DPTR
mov uPSDSoundStudio_EndPage,A
PLAY_INIT_END:
pop DPL
pop DPH
pop ACC
#pragma endasm
EA = 1;
if (uPSDSoundStudio_FS>22050)
{
uPSDSoundStudio_FS = 22050;
}
else
if (uPSDSoundStudio_FS<256) //Error
{
uPSDSoundStudio_NoSound();
}
}
T2CON = 0x00;
T2MOD = 0;
TL2 = 0;
TH2 = 255;
RCAP2H =~(((FREQ_OSC/uPSDSoundStudio_FS/12)-1)>>8);
RCAP2L =~ ((FREQ_OSC/uPSDSoundStudio_FS/12)-1);
T2CON |= 0x04;
ET2 = 1; //enable Timer2 int
if (ItemOrder == 0)
{
while (uPSDSoundStudio_DCNT);
}
else
if (ItemOrder < 128) //Wait for end of file
{
while (uPSDSoundStudio_PlayAddress | uPSDSoundStudio_PlayPage)
{
}
}
}
char uPSDSoundStudio_IsPlayActive(void)
/******************************************************************************
Function : char uPSDSoundStudio_IsPlayActive()
Parameters : (void)
Description: Returns actual state of playback
******************************************************************************/
{
if (uPSDSoundStudio_PlayAddress | uPSDSoundStudio_PlayPage)
{
return(1); //play
}
else
{
return(0); //stop
}
}
void uPSDSoundStudio_PlayItem(unsigned char ItemOrder)
/******************************************************************************
Function : void uPSDSoundStudio_PlayItemSpec()
Parameters : unsigned char ItemOrder
Description: Plays the specified WAV file item stored in FLASH
******************************************************************************/
{
uPSDSoundStudio_PlayItemSpec(ItemOrder,0);
}
void uPSDSoundStudio_Silence(unsigned int DurationInMiliSeconds)
/******************************************************************************
Function : void uPSDSoundStudio_Silence()
Parameters : DurationInMiliSeconds
Description: Generates silence of DurationInMiliSeconds
******************************************************************************/
{
uPSDSoundStudio_PlayItemSpec(0,DurationInMiliSeconds);
}
/* *************************************************************************
*** ***
** *** End of File *** **
*** ***
************************************************************************* */
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