/*!
|
/*!
|
ZTEX Firmware Kit for EZ-USB FX2 Microcontrollers
|
ZTEX Firmware Kit for EZ-USB FX2 Microcontrollers
|
Copyright (C) 2009-2011 ZTEX GmbH.
|
Copyright (C) 2009-2014 ZTEX GmbH.
|
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/.
|
!*/
|
!*/
|
|
|
/*
|
/*
|
EEPROM support an some I2C helper routines
|
EEPROM support an some I2C helper routines
|
*/
|
*/
|
|
|
#ifndef[ZTEX_EEPROM_H]
|
#ifndef[ZTEX_EEPROM_H]
|
#define[ZTEX_EEPROM_H]
|
#define[ZTEX_EEPROM_H]
|
|
|
#define[@CAPABILITY_EEPROM;]
|
#define[@CAPABILITY_EEPROM;]
|
#define[EEPROM_ADDR][0xA2]
|
#define[EEPROM_ADDR][0xA2]
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** global variables **********************************************
|
***** global variables **********************************************
|
********************************************************************* */
|
********************************************************************* */
|
__xdata WORD eeprom_addr;
|
__xdata WORD eeprom_addr;
|
__xdata WORD eeprom_write_bytes;
|
__xdata WORD eeprom_write_bytes;
|
__xdata BYTE eeprom_write_checksum;
|
__xdata BYTE eeprom_write_checksum;
|
|
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** i2c_waitWrite *************************************************
|
***** i2c_waitWrite *************************************************
|
********************************************************************* */
|
********************************************************************* */
|
/* Do the necessary steps after writing I2DAT register. Returns 1 on error. */
|
/* Do the necessary steps after writing I2DAT register. Returns 1 on error. */
|
BYTE i2c_waitWrite()
|
BYTE i2c_waitWrite()
|
{
|
{
|
unsigned char i2csbuf,toc;
|
unsigned char i2csbuf,toc;
|
for ( toc=0; toc<255 && !(I2CS & bmBIT0); toc++ );
|
for ( toc=0; toc<255 && !(I2CS & bmBIT0); toc++ );
|
i2csbuf = I2CS;
|
i2csbuf = I2CS;
|
if ( (i2csbuf & bmBIT2) || (!(i2csbuf & bmBIT1)) ) {
|
if ( (i2csbuf & bmBIT2) || (!(i2csbuf & bmBIT1)) ) {
|
I2CS |= bmBIT6;
|
I2CS |= bmBIT6;
|
return 1;
|
return 1;
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** i2c_waitRead **************************************************
|
***** i2c_waitRead **************************************************
|
********************************************************************* */
|
********************************************************************* */
|
/* Do the necessary steps after reading I2DAT register. Returns 1 on error. */
|
/* Do the necessary steps after reading I2DAT register. Returns 1 on error. */
|
BYTE i2c_waitRead(void)
|
BYTE i2c_waitRead(void)
|
{
|
{
|
unsigned char i2csbuf, toc;
|
unsigned char i2csbuf, toc;
|
for ( toc=0; toc<255 && !(I2CS & bmBIT0); toc++ );
|
for ( toc=0; toc<255 && !(I2CS & bmBIT0); toc++ );
|
i2csbuf = I2CS;
|
i2csbuf = I2CS;
|
if (i2csbuf & bmBIT2) {
|
if (i2csbuf & bmBIT2) {
|
I2CS |= bmBIT6;
|
I2CS |= bmBIT6;
|
return 1;
|
return 1;
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** i2c_waitStart *************************************************
|
***** i2c_waitStart *************************************************
|
********************************************************************* */
|
********************************************************************* */
|
/* Do the necessary steps after start bit. Returns 1 on error. */
|
/* Do the necessary steps after start bit. Returns 1 on error. */
|
BYTE i2c_waitStart()
|
BYTE i2c_waitStart()
|
{
|
{
|
BYTE toc;
|
BYTE toc;
|
for ( toc=0; toc<255; toc++ ) {
|
for ( toc=0; toc<255; toc++ ) {
|
if ( ! (I2CS & bmBIT2) )
|
if ( ! (I2CS & bmBIT2) )
|
return 0;
|
return 0;
|
}
|
}
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** i2c_waitStop **************************************************
|
***** i2c_waitStop **************************************************
|
********************************************************************* */
|
********************************************************************* */
|
/* Do the necessary steps after stop bit. Returns 1 on error. */
|
/* Do the necessary steps after stop bit. Returns 1 on error. */
|
BYTE i2c_waitStop()
|
BYTE i2c_waitStop()
|
{
|
{
|
BYTE toc;
|
BYTE toc;
|
for ( toc=0; toc<255; toc++ ) {
|
for ( toc=0; toc<255; toc++ ) {
|
if ( ! (I2CS & bmBIT6) )
|
if ( ! (I2CS & bmBIT6) )
|
return 0;
|
return 0;
|
}
|
}
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** eeprom_select *************************************************
|
***** eeprom_select *************************************************
|
********************************************************************* */
|
********************************************************************* */
|
/* Select the EEPROM device, i.e. send the control Byte.
|
/* Select the EEPROM device, i.e. send the control Byte.
|
<to> specifies the time to wait in 0.1ms steps if the EEPROM is busy (during a write cycle).
|
<to> specifies the time to wait in 0.1ms steps if the EEPROM is busy (during a write cycle).
|
if <stop>=0 no sop bit is sent. Returns 1 on error or if EEPROM is busy. */
|
if <stop>=0 no sop bit is sent. Returns 1 on error or if EEPROM is busy. */
|
BYTE eeprom_select (BYTE addr, BYTE to, BYTE stop ) {
|
BYTE eeprom_select (BYTE addr, BYTE to, BYTE stop ) {
|
BYTE toc = 0;
|
BYTE toc = 0;
|
eeprom_select_start:
|
eeprom_select_start:
|
I2CS |= bmBIT7; // start bit
|
I2CS |= bmBIT7; // start bit
|
i2c_waitStart();
|
i2c_waitStart();
|
I2DAT = addr; // select device for writing
|
I2DAT = addr; // select device for writing
|
if ( ! i2c_waitWrite() ) {
|
if ( ! i2c_waitWrite() ) {
|
if ( stop ) {
|
if ( stop ) {
|
I2CS |= bmBIT6;
|
I2CS |= bmBIT6;
|
i2c_waitStop();
|
i2c_waitStop();
|
}
|
}
|
return 0;
|
return 0;
|
}
|
}
|
else if (toc<to) {
|
else if (toc<to) {
|
uwait(10);
|
uwait(10);
|
goto eeprom_select_start;
|
goto eeprom_select_start;
|
}
|
}
|
if ( stop ) {
|
if ( stop ) {
|
I2CS |= bmBIT6;
|
I2CS |= bmBIT6;
|
}
|
}
|
return 1;
|
return 1;
|
}
|
}
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** eeprom_read ***************************************************
|
***** eeprom_read ***************************************************
|
********************************************************************* */
|
********************************************************************* */
|
/* Reads <length> bytes from EEPROM address <addr> and write them to buf.
|
/* Reads <length> bytes from EEPROM address <addr> and write them to buf.
|
Returns the number of bytes read. */
|
Returns the number of bytes read. */
|
BYTE eeprom_read ( __xdata BYTE *buf, WORD addr, BYTE length ) {
|
BYTE eeprom_read ( __xdata BYTE *buf, WORD addr, BYTE length ) {
|
BYTE bytes = 0,i;
|
BYTE bytes = 0,i;
|
|
|
if ( length == 0 )
|
if ( length == 0 )
|
return 0;
|
return 0;
|
|
|
if ( eeprom_select(EEPROM_ADDR, 100,0) )
|
if ( eeprom_select(EEPROM_ADDR, 100,0) )
|
goto eeprom_read_end;
|
goto eeprom_read_end;
|
|
|
I2DAT = HI(addr); // write address
|
I2DAT = HI(addr); // write address
|
if ( i2c_waitWrite() ) goto eeprom_read_end;
|
if ( i2c_waitWrite() ) goto eeprom_read_end;
|
I2DAT = LO(addr); // write address
|
I2DAT = LO(addr); // write address
|
if ( i2c_waitWrite() ) goto eeprom_read_end;
|
if ( i2c_waitWrite() ) goto eeprom_read_end;
|
I2CS |= bmBIT6;
|
I2CS |= bmBIT6;
|
i2c_waitStop();
|
i2c_waitStop();
|
|
|
I2CS |= bmBIT7; // start bit
|
I2CS |= bmBIT7; // start bit
|
i2c_waitStart();
|
i2c_waitStart();
|
I2DAT = EEPROM_ADDR | 1; // select device for reading
|
I2DAT = EEPROM_ADDR | 1; // select device for reading
|
if ( i2c_waitWrite() ) goto eeprom_read_end;
|
if ( i2c_waitWrite() ) goto eeprom_read_end;
|
|
|
*buf = I2DAT; // dummy read
|
*buf = I2DAT; // dummy read
|
if ( i2c_waitRead()) goto eeprom_read_end;
|
if ( i2c_waitRead()) goto eeprom_read_end;
|
for (; bytes<length; bytes++ ) {
|
for (; bytes<length; bytes++ ) {
|
*buf = I2DAT; // read data
|
*buf = I2DAT; // read data
|
buf++;
|
buf++;
|
if ( i2c_waitRead()) goto eeprom_read_end;
|
if ( i2c_waitRead()) goto eeprom_read_end;
|
}
|
}
|
|
|
I2CS |= bmBIT5; // no ACK
|
I2CS |= bmBIT5; // no ACK
|
i = I2DAT; // dummy read
|
i = I2DAT; // dummy read
|
if ( i2c_waitRead()) goto eeprom_read_end;
|
if ( i2c_waitRead()) goto eeprom_read_end;
|
|
|
I2CS |= bmBIT6; // stop bit
|
I2CS |= bmBIT6; // stop bit
|
i = I2DAT; // dummy read
|
i = I2DAT; // dummy read
|
i2c_waitStop();
|
i2c_waitStop();
|
|
|
eeprom_read_end:
|
eeprom_read_end:
|
return bytes;
|
return bytes;
|
}
|
}
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** eeprom_write **************************************************
|
***** eeprom_write **************************************************
|
********************************************************************* */
|
********************************************************************* */
|
/* Writes <length> bytes from buf to EEPROM address <addr>.
|
/* Writes <length> bytes from buf to EEPROM address <addr>.
|
<length> must be smaller or equal than 8. Returns the number of bytes
|
<length> must be smaller or equal than 8. Returns the number of bytes
|
read. */
|
read. */
|
BYTE eeprom_write ( __xdata BYTE *buf, WORD addr, BYTE length ) {
|
BYTE eeprom_write ( __xdata BYTE *buf, WORD addr, BYTE length ) {
|
BYTE bytes = 0;
|
BYTE bytes = 0;
|
|
|
if ( length == 0 )
|
if ( length == 0 )
|
return 0;
|
return 0;
|
|
|
if ( eeprom_select(EEPROM_ADDR, 100,0) )
|
if ( eeprom_select(EEPROM_ADDR, 100,0) )
|
goto eeprom_write_end;
|
goto eeprom_write_end;
|
|
|
I2DAT = HI(addr); // write address
|
I2DAT = HI(addr); // write address
|
if ( i2c_waitWrite() ) goto eeprom_write_end;
|
if ( i2c_waitWrite() ) goto eeprom_write_end;
|
I2DAT = LO(addr); // write address
|
I2DAT = LO(addr); // write address
|
if ( i2c_waitWrite() ) goto eeprom_write_end;
|
if ( i2c_waitWrite() ) goto eeprom_write_end;
|
|
|
for (; bytes<length; bytes++ ) {
|
for (; bytes<length; bytes++ ) {
|
I2DAT = *buf; // write data
|
I2DAT = *buf; // write data
|
eeprom_write_checksum += *buf;
|
eeprom_write_checksum += *buf;
|
buf++;
|
buf++;
|
eeprom_write_bytes+=1;
|
eeprom_write_bytes+=1;
|
if ( i2c_waitWrite() ) goto eeprom_write_end;
|
if ( i2c_waitWrite() ) goto eeprom_write_end;
|
}
|
}
|
I2CS |= bmBIT6; // stop bit
|
I2CS |= bmBIT6; // stop bit
|
i2c_waitStop();
|
i2c_waitStop();
|
|
|
eeprom_write_end:
|
eeprom_write_end:
|
return bytes;
|
return bytes;
|
}
|
}
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** EP0 vendor request 0x38 ***************************************
|
***** EP0 vendor request 0x38 ***************************************
|
********************************************************************* */
|
********************************************************************* */
|
BYTE eeprom_read_ep0 () {
|
BYTE eeprom_read_ep0 () {
|
BYTE i, b;
|
BYTE i, b;
|
b = ep0_payload_transfer;
|
b = ep0_payload_transfer;
|
i = eeprom_read(EP0BUF, eeprom_addr, b);
|
i = eeprom_read(EP0BUF, eeprom_addr, b);
|
eeprom_addr += b;
|
eeprom_addr += b;
|
return i;
|
return i;
|
}
|
}
|
|
|
ADD_EP0_VENDOR_REQUEST((0x38,, // read from EEPROM
|
ADD_EP0_VENDOR_REQUEST((0x38,, // read from EEPROM
|
eeprom_addr = (SETUPDAT[3] << 8) | SETUPDAT[2]; // Address
|
eeprom_addr = (SETUPDAT[3] << 8) | SETUPDAT[2]; // Address
|
EP0BCH = 0;
|
EP0BCH = 0;
|
EP0BCL = eeprom_read_ep0();
|
EP0BCL = eeprom_read_ep0();
|
,,
|
,,
|
EP0BCH = 0;
|
EP0BCH = 0;
|
EP0BCL = eeprom_read_ep0();
|
EP0BCL = eeprom_read_ep0();
|
));;
|
));;
|
|
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** EP0 vendor command 0x39 ***************************************
|
***** EP0 vendor command 0x39 ***************************************
|
********************************************************************* */
|
********************************************************************* */
|
void eeprom_write_ep0 ( BYTE length ) {
|
void eeprom_write_ep0 ( BYTE length ) {
|
eeprom_write(EP0BUF, eeprom_addr, length);
|
eeprom_write(EP0BUF, eeprom_addr, length);
|
eeprom_addr += length;
|
eeprom_addr += length;
|
}
|
}
|
|
|
ADD_EP0_VENDOR_COMMAND((0x39,, // write to EEPROM
|
ADD_EP0_VENDOR_COMMAND((0x39,, // write to EEPROM
|
eeprom_write_checksum = 0;
|
eeprom_write_checksum = 0;
|
eeprom_write_bytes = 0;
|
eeprom_write_bytes = 0;
|
eeprom_addr = ( SETUPDAT[3] << 8) | SETUPDAT[2]; // Address
|
eeprom_addr = ( SETUPDAT[3] << 8) | SETUPDAT[2]; // Address
|
,,
|
,,
|
eeprom_write_ep0(EP0BCL);
|
eeprom_write_ep0(EP0BCL);
|
));;
|
));;
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** EP0 vendor request 0x3A ***************************************
|
***** EP0 vendor request 0x3A ***************************************
|
********************************************************************* */
|
********************************************************************* */
|
ADD_EP0_VENDOR_REQUEST((0x3A,, // EEPROM state
|
ADD_EP0_VENDOR_REQUEST((0x3A,, // EEPROM state
|
EP0BUF[0] = LSB(eeprom_write_bytes);
|
EP0BUF[0] = LSB(eeprom_write_bytes);
|
EP0BUF[1] = MSB(eeprom_write_bytes);
|
EP0BUF[1] = MSB(eeprom_write_bytes);
|
EP0BUF[2] = eeprom_write_checksum;
|
EP0BUF[2] = eeprom_write_checksum;
|
EP0BUF[3] = eeprom_select(EEPROM_ADDR,0,1); // 1 means busy or error
|
EP0BUF[3] = eeprom_select(EEPROM_ADDR,0,1); // 1 means busy or error
|
EP0BCH = 0;
|
EP0BCH = 0;
|
EP0BCL = 4;
|
EP0BCL = 4;
|
,,));;
|
,,));;
|
|
|
|
|
#ifdef[MAC_EEPROM_ENABLED]
|
#ifdef[MAC_EEPROM_ENABLED]
|
#define[EEPROM_MAC_ADDR][0xA6]
|
#define[EEPROM_MAC_ADDR][0xA6]
|
#define[@CAPABILITY_MAC_EEPROM;]
|
#define[@CAPABILITY_MAC_EEPROM;]
|
|
|
__xdata BYTE mac_eeprom_addr;
|
__xdata BYTE mac_eeprom_addr;
|
|
|
// details about the configuration data structure can be found at
|
// details about the configuration data structure can be found at
|
// http://www.ztex.de/firmware-kit/docs/java/ztex/ConfigData.html
|
// http://www.ztex.de/firmware-kit/docs/java/ztex/ConfigData.html
|
|
|
__xdata BYTE config_data_valid;
|
__xdata BYTE config_data_valid;
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** mac_eeprom_read ***********************************************
|
***** mac_eeprom_read ***********************************************
|
********************************************************************* */
|
********************************************************************* */
|
/* Reads <length> bytes from EEPROM address <addr> and write them to buf.
|
/* Reads <length> bytes from EEPROM address <addr> and write them to buf.
|
Returns the number of bytes read. */
|
Returns the number of bytes read. */
|
BYTE mac_eeprom_read ( __xdata BYTE *buf, BYTE addr, BYTE length ) {
|
BYTE mac_eeprom_read ( __xdata BYTE *buf, BYTE addr, BYTE length ) {
|
BYTE bytes = 0,i;
|
BYTE bytes = 0,i;
|
|
|
if ( length == 0 )
|
if ( length == 0 )
|
return 0;
|
return 0;
|
|
|
if ( eeprom_select(EEPROM_MAC_ADDR, 100,0) )
|
if ( eeprom_select(EEPROM_MAC_ADDR, 100,0) )
|
goto mac_eeprom_read_end;
|
goto mac_eeprom_read_end;
|
|
|
I2DAT = addr; // write address
|
I2DAT = addr; // write address
|
if ( i2c_waitWrite() ) goto mac_eeprom_read_end;
|
if ( i2c_waitWrite() ) goto mac_eeprom_read_end;
|
I2CS |= bmBIT6;
|
I2CS |= bmBIT6;
|
i2c_waitStop();
|
i2c_waitStop();
|
|
|
I2CS |= bmBIT7; // start bit
|
I2CS |= bmBIT7; // start bit
|
i2c_waitStart();
|
i2c_waitStart();
|
I2DAT = EEPROM_MAC_ADDR | 1; // select device for reading
|
I2DAT = EEPROM_MAC_ADDR | 1; // select device for reading
|
if ( i2c_waitWrite() ) goto mac_eeprom_read_end;
|
if ( i2c_waitWrite() ) goto mac_eeprom_read_end;
|
|
|
*buf = I2DAT; // dummy read
|
*buf = I2DAT; // dummy read
|
if ( i2c_waitRead()) goto mac_eeprom_read_end;
|
if ( i2c_waitRead()) goto mac_eeprom_read_end;
|
for (; bytes<length; bytes++ ) {
|
for (; bytes<length; bytes++ ) {
|
*buf = I2DAT; // read data
|
*buf = I2DAT; // read data
|
buf++;
|
buf++;
|
if ( i2c_waitRead()) goto mac_eeprom_read_end;
|
if ( i2c_waitRead()) goto mac_eeprom_read_end;
|
}
|
}
|
|
|
I2CS |= bmBIT5; // no ACK
|
I2CS |= bmBIT5; // no ACK
|
i = I2DAT; // dummy read
|
i = I2DAT; // dummy read
|
if ( i2c_waitRead()) goto mac_eeprom_read_end;
|
if ( i2c_waitRead()) goto mac_eeprom_read_end;
|
|
|
I2CS |= bmBIT6; // stop bit
|
I2CS |= bmBIT6; // stop bit
|
i = I2DAT; // dummy read
|
i = I2DAT; // dummy read
|
i2c_waitStop();
|
i2c_waitStop();
|
|
|
mac_eeprom_read_end:
|
mac_eeprom_read_end:
|
return bytes;
|
return bytes;
|
}
|
}
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** mac_eeprom_write **********************************************
|
***** mac_eeprom_write **********************************************
|
********************************************************************* */
|
********************************************************************* */
|
/* Writes <length> bytes from buf to and write them EEPROM address <addr>.
|
/* Writes <length> bytes from buf to and write them EEPROM address <addr>.
|
<length> must be smaller or equal than 8. Returns the number of bytes
|
<length> must be smaller or equal than 8. Returns the number of bytes
|
written. */
|
written. */
|
BYTE mac_eeprom_write ( __xdata BYTE *buf, BYTE addr, BYTE length ) {
|
BYTE mac_eeprom_write ( __xdata BYTE *buf, BYTE addr, BYTE length ) {
|
BYTE bytes = 0;
|
BYTE bytes = 0;
|
|
|
if ( length == 0 )
|
if ( length == 0 )
|
return 0;
|
return 0;
|
|
|
if ( eeprom_select(EEPROM_MAC_ADDR, 100,0) )
|
if ( eeprom_select(EEPROM_MAC_ADDR, 100,0) )
|
goto mac_eeprom_write_end;
|
goto mac_eeprom_write_end;
|
|
|
I2DAT = addr; // write address
|
I2DAT = addr; // write address
|
if ( i2c_waitWrite() ) goto mac_eeprom_write_end;
|
if ( i2c_waitWrite() ) goto mac_eeprom_write_end;
|
|
|
while ( bytes<length ) {
|
while ( bytes<length ) {
|
I2DAT = *buf; // write data
|
I2DAT = *buf; // write data
|
buf++;
|
buf++;
|
if ( i2c_waitWrite() ) goto mac_eeprom_write_end;
|
if ( i2c_waitWrite() ) goto mac_eeprom_write_end;
|
|
|
addr++;
|
addr++;
|
bytes++;
|
bytes++;
|
if ( ( (addr & 8) == 0 ) && ( bytes<length ) ) {
|
if ( ( (addr & 8) == 0 ) && ( bytes<length ) ) {
|
I2CS |= bmBIT6; // stop bit
|
I2CS |= bmBIT6; // stop bit
|
i2c_waitStop();
|
i2c_waitStop();
|
|
|
if ( eeprom_select(EEPROM_MAC_ADDR, 100,0) )
|
if ( eeprom_select(EEPROM_MAC_ADDR, 100,0) )
|
goto mac_eeprom_write_end;
|
goto mac_eeprom_write_end;
|
|
|
I2DAT = addr; // write address
|
I2DAT = addr; // write address
|
if ( i2c_waitWrite() ) goto mac_eeprom_write_end;
|
if ( i2c_waitWrite() ) goto mac_eeprom_write_end;
|
}
|
}
|
}
|
}
|
I2CS |= bmBIT6; // stop bit
|
I2CS |= bmBIT6; // stop bit
|
i2c_waitStop();
|
i2c_waitStop();
|
|
|
mac_eeprom_write_end:
|
mac_eeprom_write_end:
|
mac_eeprom_addr = addr;
|
mac_eeprom_addr = addr;
|
return bytes;
|
return bytes;
|
}
|
}
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** EP0 vendor request 0x3B ***************************************
|
***** EP0 vendor request 0x3B ***************************************
|
********************************************************************* */
|
********************************************************************* */
|
BYTE mac_eeprom_read_ep0 () {
|
BYTE mac_eeprom_read_ep0 () {
|
BYTE i, b;
|
BYTE i, b;
|
b = ep0_payload_transfer;
|
b = ep0_payload_transfer;
|
i = mac_eeprom_read(EP0BUF, mac_eeprom_addr, b);
|
i = mac_eeprom_read(EP0BUF, mac_eeprom_addr, b);
|
mac_eeprom_addr += b;
|
mac_eeprom_addr += b;
|
return i;
|
return i;
|
}
|
}
|
|
|
ADD_EP0_VENDOR_REQUEST((0x3B,, // read from EEPROM
|
ADD_EP0_VENDOR_REQUEST((0x3B,, // read from EEPROM
|
mac_eeprom_addr = SETUPDAT[2]; // Address
|
mac_eeprom_addr = SETUPDAT[2]; // Address
|
EP0BCH = 0;
|
EP0BCH = 0;
|
EP0BCL = mac_eeprom_read_ep0();
|
EP0BCL = mac_eeprom_read_ep0();
|
,,
|
,,
|
EP0BCH = 0;
|
EP0BCH = 0;
|
EP0BCL = mac_eeprom_read_ep0();
|
EP0BCL = mac_eeprom_read_ep0();
|
));;
|
));;
|
|
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** EP0 vendor command 0x3C ***************************************
|
***** EP0 vendor command 0x3C ***************************************
|
********************************************************************* */
|
********************************************************************* */
|
ADD_EP0_VENDOR_COMMAND((0x3C,, // write to EEPROM
|
ADD_EP0_VENDOR_COMMAND((0x3C,, // write to EEPROM
|
mac_eeprom_addr = SETUPDAT[2]; // address
|
mac_eeprom_addr = SETUPDAT[2]; // address
|
,,
|
,,
|
mac_eeprom_write(EP0BUF, mac_eeprom_addr, EP0BCL);
|
mac_eeprom_write(EP0BUF, mac_eeprom_addr, EP0BCL);
|
));;
|
));;
|
|
|
/* *********************************************************************
|
/* *********************************************************************
|
***** EP0 vendor request 0x3D ***************************************
|
***** EP0 vendor request 0x3D ***************************************
|
********************************************************************* */
|
********************************************************************* */
|
ADD_EP0_VENDOR_REQUEST((0x3D,, // EEPROM state
|
ADD_EP0_VENDOR_REQUEST((0x3D,, // EEPROM state
|
EP0BUF[0] = eeprom_select(EEPROM_MAC_ADDR,0,1); // 1 means busy or error
|
EP0BUF[0] = eeprom_select(EEPROM_MAC_ADDR,0,1); // 1 means busy or error
|
EP0BCH = 0;
|
EP0BCH = 0;
|
EP0BCL = 1;
|
EP0BCL = 1;
|
,,));;
|
,,));;
|
|
|
|
|
#endif // MAC_EEPROM_ENABLED
|
#endif // MAC_EEPROM_ENABLED
|
|
|
#endif /*ZTEX_EEPROM_H*/
|
#endif /*ZTEX_EEPROM_H*/
|
|
|
