1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233
|
/*-----------------------------------------------------------------------------
* Hardware-dependent code for usb_jtag
*-----------------------------------------------------------------------------
* Copyright (C) 2007 Kolja Waschk, ixo.de
*-----------------------------------------------------------------------------
* This code is part of usbjtag. usbjtag 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 2 of the License,
* or (at your option) any later version. usbjtag 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 in the file
* COPYING; if not, write to the Free Software Foundation, Inc., 51 Franklin
* St, Fifth Floor, Boston, MA 02110-1301 USA
*-----------------------------------------------------------------------------
*/
#include "delay.h"
#include "syncdelay.h"
#include "hardware.h"
#include "isr.h"
#include "timer.h"
#include "delay.h"
#include "fx2regs.h"
#include "fx2utils.h"
#include "usb_common.h"
#include "usb_descriptors.h"
#include "usb_requests.h"
#include "syncdelay.h"
#include "eeprom.h"
void ProgIO_Poll(void) {}
void ProgIO_Enable(void) {}
void ProgiO_Disable(void) {}
void ProgiO_Deinit(void) {}
static unsigned char curios;
const unsigned char wavedata[64] =
{
/* Single Write:
s0: BITS=D0 NEXT/SGLCRC DATA WAIT 4
s1: BITS= DATA WAIT 4
s2: BITS=D1|D0 DATA WAIT 4
s3: BITS=D1 DATA WAIT 3
s4: BITS=D1 DATA DP IF(RDY0) THEN 5 ELSE 2
s5: BITS=D1|D0 DATA WAIT 4
s6: BITS=D1 DATA WAIT 3
s7: BITS=D1 DATA FIN */
4, 4, 4, 3, 0x2A, 4, 3, 7,
6, 2, 2, 2, 3, 2, 2, 2,
1, 0, 3, 2, 2, 3, 2, 2,
0, 0, 0, 0, 0, 0, 0, 0x3F,
/* Single Read:
s0: BITS=D0 WAIT 4
s1: BITS= WAIT 4
s2: BITS=D1|D0 WAIT 4
s3: BITS=D1 WAIT 4
s4: BITS=D1|D0 WAIT 3
s5: BITS=D1|D0 DP IF(RDY0) THEN 6 ELSE 3
s6: BITS=D1 DATA WAIT 4
s7: BITS=D1 FIN */
4, 4, 4, 4, 3, 0x33, 4, 7,
0, 0, 0, 0, 0, 1, 2, 0,
1, 0, 3, 2, 3, 3, 2, 2,
0, 0, 0, 0, 0, 0, 0, 0x3F
};
void ProgIO_Init(void)
{
unsigned char i;
/* The following code depends on your actual circuit design.
Make required changes _before_ you try the code! */
// set the CPU clock to 48MHz, enable clock output to FPGA
CPUCS = bmCLKOE | bmCLKSPD1;
// Use internal 48 MHz, enable output, GPIF Master mode
IFCONFIG = bmIFCLKSRC | bm3048MHZ | bmIFCLKOE | bmIFGPIF;
/* IOA.0 (0x01) LED green */
/* IOA.1 (0x02) LED red */
/* IOA.2 (0x04) R25 -> VCC */
/* IOA.3 (0x08) n.c. */
/* IOA.4 (0x10) CPLD 85 / ?*/
/* IOA.5 (0x20) CPLD 86 / OE? */
/* IOA.6 (0x40) CPLD 83 / ? */
/* IOA.7 (0x80) CPLD 49 */
/* IOC.x (0x..) GPIFADR.0..7 */
/* IOE.x (0x..) CPLD JTAG -> hw_xpcu_i */
PORTACFG = 0x00; OEA = 0xFB; IOA = 0x20;
PORTCCFG = 0x00; OEC = 0xFF; IOC = 0x10;
PORTECFG = 0x00; OEE = 0xFC; IOE = 0xC0;
GPIFABORT = 0xFF;
GPIFREADYCFG = 0xA0;
GPIFCTLCFG = 0x00;
GPIFIDLECS = 0x00;
GPIFIDLECTL = 0x00;
GPIFWFSELECT = 0x01;
// Copy waveform data
AUTOPTRSETUP = 0x07;
APTR1H = MSB( &wavedata );
APTR1L = LSB( &wavedata );
AUTOPTRH2 = 0xE4;
AUTOPTRL2 = 0x00;
for ( i = 0; i < 64; i++ ) EXTAUTODAT2 = EXTAUTODAT1;
SYNCDELAY;
GPIFADRH = 0x00;
SYNCDELAY;
GPIFADRL = 0x00;
FLOWSTATE = 0x00;
FLOWLOGIC = 0x00;
FLOWEQ0CTL = 0x00;
FLOWEQ1CTL = 0x00;
FLOWHOLDOFF = 0x00;
FLOWSTB = 0x00;
FLOWSTBEDGE = 0x00;
FLOWSTBHPERIOD = 0x00;
curios = 0;
}
#define SetPins(x) while(!(GPIFTRIG & 0x80)); XGPIFSGLDATLX = (x)
void ProgIO_Set_State(unsigned char d)
{
/* Set state of output pins:
*
* d.0 => TCK
* d.1 => TMS
* d.4 => TDI
* d.6 => LED / Output Enable
*/
curios = (d & bmBIT0) ? 0x40 : 0; // TCK
curios |= (d & bmBIT1) ? 0x20 : 0; // TMS
curios |= (d & bmBIT4) ? 0x10 : 0; // TDI
IOC = 0x81; /* Select direction */
SetPins(curios);
if(d & bmBIT6) IOA=(IOA&~3)|1; else IOA=(IOA&~3)|2;
}
unsigned char ProgIO_Set_Get_State(unsigned char d)
{
unsigned char x;
/*
* Set state of output pins (see above)
*/
ProgIO_Set_State(d);
/* Read state of input pins:
*
* TDO => d.0
* DATAOUT => d.1 (only #ifdef HAVE_AS_MODE)
*/
IOC = 0x41; /* Select direction */
while(!(GPIFTRIG & 0x80)); x = XGPIFSGLDATLX;
while(!(GPIFTRIG & 0x80)); x = XGPIFSGLDATLNOX;
/* if(IOA & 0x20) IOA |= 0x40; else IOA &= ~0x40; */
return (x&1) | 2;
}
void ProgIO_ShiftOut(unsigned char c)
{
unsigned char r,i;
unsigned char locios = curios & ~0x50;
IOC = 0x81; /* Select direction */
for(i=0,r=1;i<8;i++)
{
unsigned char t = locios;
if(c & r) t |= 0x10;
SetPins(t);
SetPins(t|0x40);
r <<= 1;
SetPins(t);
};
curios = locios;
}
unsigned char ProgIO_ShiftInOut(unsigned char c)
{
unsigned char r,i,n;
unsigned char locios = curios & ~0x50;
for(i=0,r=1,n=0;i<8;i++)
{
unsigned char t;
IOC = 0x41;
while(!(GPIFTRIG & 0x80)); t = XGPIFSGLDATLX;
while(!(GPIFTRIG & 0x80)); t = XGPIFSGLDATLNOX;
if(t & 1) n |= r;
IOC = 0x81;
t = locios;
if(c & r) t |= 0x10;
SetPins(t);
SetPins(t|0x40);
r <<= 1;
SetPins(t);
};
curios = locios;
return n;
}
|