/*!
|
/*!
|
ZTEX Firmware Kit for EZ-USB Microcontrollers
|
ZTEX Firmware Kit for EZ-USB Microcontrollers
|
Copyright (C) 2009-2010 ZTEX e.K.
|
Copyright (C) 2009-2010 ZTEX e.K.
|
http://www.ztex.de
|
http://www.ztex.de
|
|
|
This program is free software; you can redistribute it and/or modify
|
This program is free software; you can redistribute it and/or modify
|
it under the terms of the GNU General Public License version 3 as
|
it under the terms of the GNU General Public License version 3 as
|
published by the Free Software Foundation.
|
published by the Free Software Foundation.
|
|
|
This program is distributed in the hope that it will be useful, but
|
This program is distributed in the hope that it will be useful, but
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
General Public License for more details.
|
General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program; if not, see http://www.gnu.org/licenses/.
|
along with this program; if not, see http://www.gnu.org/licenses/.
|
!*/
|
!*/
|
|
|
/*
|
/*
|
Various utility routines
|
Various utility routines
|
*/
|
*/
|
|
|
#ifndef[ZTEX_UTILS_H]
|
#ifndef[ZTEX_UTILS_H]
|
#define[ZTEX_UTILS_H]
|
#define[ZTEX_UTILS_H]
|
|
|
#define[bmBIT0][1]
|
#define[bmBIT0][1]
|
#define[bmBIT1][2]
|
#define[bmBIT1][2]
|
#define[bmBIT2][4]
|
#define[bmBIT2][4]
|
#define[bmBIT3][8]
|
#define[bmBIT3][8]
|
#define[bmBIT4][16]
|
#define[bmBIT4][16]
|
#define[bmBIT5][32]
|
#define[bmBIT5][32]
|
#define[bmBIT6][64]
|
#define[bmBIT6][64]
|
#define[bmBIT7][128]
|
#define[bmBIT7][128]
|
|
|
#define[NOP;][_asm
|
#define[NOP;][_asm
|
nop
|
nop
|
_endasm;
|
_endasm;
|
]
|
]
|
|
|
#define[MSB(][)][((BYTE)(((unsigned short)($0)) >> 8))]
|
#define[MSB(][)][((BYTE)((((unsigned short)($0)) >> 8) & 0xff)) ]
|
#define[LSB(][)][((BYTE)($0))]
|
#define[LSB(][)][((BYTE)($0))]
|
#define[HI(][)][((BYTE)(((unsigned short)($0)) >> 8))]
|
#define[HI(][)][((BYTE)((((unsigned short)($0)) >> 8) & 0xff)) ]
|
#define[LO(][)][((BYTE)($0))]
|
#define[LO(][)][((BYTE)($0))]
|
|
|
typedef unsigned char BYTE;
|
typedef unsigned char BYTE;
|
typedef unsigned short WORD;
|
typedef unsigned short WORD;
|
typedef unsigned long DWORD;
|
typedef unsigned long DWORD;
|
|
|
#include[ezregs.h]
|
#include[ezregs.h]
|
#include[ezintavecs.h]
|
#include[ezintavecs.h]
|
/* *********************************************************************
|
/* *********************************************************************
|
***** global variables **********************************************
|
***** global variables **********************************************
|
********************************************************************* */
|
********************************************************************* */
|
/*
|
/*
|
The following two variables are used to control HSNAK bit.
|
The following two variables are used to control HSNAK bit.
|
|
|
ep0_payload_remaining is set to the length field of of the Setup Data
|
ep0_payload_remaining is set to the length field of of the Setup Data
|
structure (in SUDAV_ISR). At the begin of each payload data transfer (in
|
structure (in SUDAV_ISR). At the begin of each payload data transfer (in
|
SUDAV_ISR, EP0IN_ISR and EP0OUT_ISR) the amount of payload of the current
|
SUDAV_ISR, EP0IN_ISR and EP0OUT_ISR) the amount of payload of the current
|
transfer s calculated (<=64 bytes) and subtracted from
|
transfer s calculated (<=64 bytes) and subtracted from
|
ep0_payload_remaining. For Vendor Commands HSNAK bit is cleared
|
ep0_payload_remaining. For Vendor Commands HSNAK bit is cleared
|
automatically (at the end of EP0OUT_ISR) ifep0_payload_remaining == 0.
|
automatically (at the end of EP0OUT_ISR) ifep0_payload_remaining == 0.
|
For Vendor Requests HSNAK bit is always cleared at the end of SUDAV_ISR.
|
For Vendor Requests HSNAK bit is always cleared at the end of SUDAV_ISR.
|
*/
|
*/
|
|
|
xdata WORD ep0_payload_remaining = 0; // remaining amount of ep0 payload data (excluding the data of the current transfer)
|
xdata WORD ep0_payload_remaining = 0; // remaining amount of ep0 payload data (excluding the data of the current transfer)
|
xdata BYTE ep0_payload_transfer = 0; // transfer
|
xdata BYTE ep0_payload_transfer = 0; // transfer
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
*********************************************************************
|
*********************************************************************
|
***** basic functions ***********************************************
|
***** basic functions ***********************************************
|
*********************************************************************
|
*********************************************************************
|
********************************************************************* */
|
********************************************************************* */
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** wait **********************************************************
|
***** wait **********************************************************
|
********************************************************************* */
|
********************************************************************* */
|
void wait(WORD short ms) { // wait in ms
|
void wait(WORD short ms) { // wait in ms
|
WORD i,j;
|
WORD i,j;
|
for (j=0; j<ms; j++)
|
for (j=0; j<ms; j++)
|
for (i=0; i<1200; i++);
|
for (i=0; i<1200; i++);
|
}
|
}
|
|
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** uwait *********************************************************
|
***** uwait *********************************************************
|
********************************************************************* */
|
********************************************************************* */
|
void uwait(WORD short us) { // wait in 10µs steps
|
void uwait(WORD short us) { // wait in 10µs steps
|
WORD i,j;
|
WORD i,j;
|
for (j=0; j<us; j++)
|
for (j=0; j<us; j++)
|
for (i=0; i<10; i++);
|
for (i=0; i<10; i++);
|
}
|
}
|
|
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** MEM_COPY ******************************************************
|
***** MEM_COPY ******************************************************
|
********************************************************************* */
|
********************************************************************* */
|
// copies 1..256 bytes
|
// copies 1..256 bytes
|
void MEM_COPY1_int() __naked {
|
void MEM_COPY1_int() __naked {
|
_asm
|
_asm
|
020001$:
|
020001$:
|
mov _AUTOPTRSETUP,#0x07
|
mov _AUTOPTRSETUP,#0x07
|
mov dptr,#_XAUTODAT1
|
mov dptr,#_XAUTODAT1
|
movx a,@dptr
|
movx a,@dptr
|
mov dptr,#_XAUTODAT2
|
mov dptr,#_XAUTODAT2
|
movx @dptr,a
|
movx @dptr,a
|
djnz r2, 020001$
|
djnz r2, 020001$
|
ret
|
ret
|
_endasm;
|
_endasm;
|
}
|
}
|
|
|
/*
|
/*
|
! no spaces before/after commas allowed !
|
! no spaces before/after commas allowed !
|
|
|
This will work too:
|
This will work too:
|
MEM_COPY1(fpga_checksum,EP0BUF+1,6);
|
MEM_COPY1(fpga_checksum,EP0BUF+1,6);
|
*/
|
*/
|
|
|
#define[MEM_COPY1(][,$1,$2);][{
|
#define[MEM_COPY1(][,$1,$2);][{
|
|
AUTOPTRL1=LO(&($0));
|
|
AUTOPTRH1=HI(&($0));
|
|
AUTOPTRL2=LO(&($1));
|
|
AUTOPTRH2=HI(&($1));
|
_asm
|
_asm
|
push ar2
|
push ar2
|
mov _AUTOPTRL1,#(_$0)
|
|
mov _AUTOPTRH1,#((_$0) >> 8)
|
|
mov _AUTOPTRL2,#(_$1)
|
|
mov _AUTOPTRH2,#((_$1) >> 8)
|
|
mov r2,#($2);
|
mov r2,#($2);
|
lcall _MEM_COPY1_int
|
lcall _MEM_COPY1_int
|
pop ar2
|
pop ar2
|
_endasm;
|
_endasm;
|
}]
|
}]
|
|
|
|
|
#endif // ZTEX_UTILS_H
|
#endif // ZTEX_UTILS_H
|
|
|
