Rev 2940 Rev 2942
1 // Include FTDI library 1 // Include FTDI library
2 #include "mlab_xvcd_port_FTDI.h" 2 #include "mlab_xvcd_port_FTDI.h"
3   3  
-   4 #ifdef WIN32
-   5  
-   6 #include <windows.h> // Windows Console Application (Sleep)
-   7  
-   8 #else
-   9  
-   10 #include <unistd.h> // sleep
-   11  
-   12 #endif
4   13  
5 // JTAG Output Pin Mask 14 // JTAG Output Pin Mask
6 #define IO_OUTPUT_MASK (PORT_TCK|PORT_TDI|PORT_TMS|PORT_LED) // Mask for all Output Pins 15 #define IO_OUTPUT_MASK (PORT_TCK|PORT_TDI|PORT_TMS|PORT_LED) // Mask for all Output Pins
7   16  
8   17  
9 // Global Variables 18 // Global Variables
10 FT_HANDLE ftHandle; // Handle for FTDI device 19 FT_HANDLE ftHandle; // Handle for FTDI device
11 bool ftHandleValid = false; // Valid Handle 20 bool ftHandleValid = false; // Valid Handle
12 unsigned char PinStatus = 0; // Status of DBUS pins 21 unsigned char PinStatus = 0; // Status of DBUS pins
13 unsigned char LedMask = 0; // LED Mask for DBUS data transfer 22 unsigned char LedMask = 0; // LED Mask for DBUS data transfer
14   23  
15   24  
16 // Convert string to int (both decimal and hex string) 25 // Convert string to int (both decimal and hex string)
17 int atoiEx(char *s) 26 int atoiEx(char *s)
18 { 27 {
19 if (s[0]=='0' && (s[1]=='x' || s[1]=='X')) 28 if (s[0]=='0' && (s[1]=='x' || s[1]=='X'))
20 { 29 {
21 // Hex Value 30 // Hex Value
22 int i; 31 int i;
23 #pragma warning(disable: 4996) // Disable MS warning about scanf 32 #pragma warning(disable: 4996) // Disable MS warning about scanf
24 sscanf(s, "%x", &i); 33 sscanf(s, "%x", &i);
25 return i; 34 return i;
26 } 35 }
27 else 36 else
28 { 37 {
29 // Decimal Value 38 // Decimal Value
30 return atoi(s); 39 return atoi(s);
31 } 40 }
32 } 41 }
33   42  
34   43  
35 // Print FTDI Pin Names (from mask value) 44 // Print FTDI Pin Names (from mask value)
36 void jtagPrintPinNames(int pinMask) 45 void jtagPrintPinNames(int pinMask)
37 { 46 {
38 // 16bit (MSB is CBUS, LSB is DBUS) 47 // 16bit (MSB is CBUS, LSB is DBUS)
39 int bit=15; 48 int bit=15;
40 bool useDelimiter=false; 49 bool useDelimiter=false;
41   50  
42 do 51 do
43 { 52 {
44 int mask = 1 << bit; 53 int mask = 1 << bit;
45 if (pinMask & mask) 54 if (pinMask & mask)
46 { 55 {
47 if (useDelimiter) 56 if (useDelimiter)
48 { 57 {
49 printf("+"); 58 printf("+");
50 } 59 }
51 if (bit > 7) 60 if (bit > 7)
52 { 61 {
53 printf("CBUS%c", '0' + bit - 8); 62 printf("CBUS%c", '0' + bit - 8);
54 } 63 }
55 else 64 else
56 { 65 {
57 printf("DBUS%c", '0' + bit); 66 printf("DBUS%c", '0' + bit);
58 switch (mask) 67 switch (mask)
59 { 68 {
60 case FTDI_TXD: printf("(TXD)"); break; 69 case FTDI_TXD: printf("(TXD)"); break;
61 case FTDI_RXD: printf("(RXD)"); break; 70 case FTDI_RXD: printf("(RXD)"); break;
62 case FTDI_RTS: printf("(RTS)"); break; 71 case FTDI_RTS: printf("(RTS)"); break;
63 case FTDI_CTS: printf("(CTS)"); break; 72 case FTDI_CTS: printf("(CTS)"); break;
64 case FTDI_DTR: printf("(DTR)"); break; 73 case FTDI_DTR: printf("(DTR)"); break;
65 case FTDI_DSR: printf("(DSR)"); break; 74 case FTDI_DSR: printf("(DSR)"); break;
66 case FTDI_DCD: printf("(DCD)"); break; 75 case FTDI_DCD: printf("(DCD)"); break;
67 case FTDI_RI: printf("(RI) "); break; 76 case FTDI_RI: printf("(RI) "); break;
68 } 77 }
69 } 78 }
70 useDelimiter = true; 79 useDelimiter = true;
71 } 80 }
72 } 81 }
73 while (bit-- > 0); 82 while (bit-- > 0);
74 } 83 }
75   84  
76   85  
77 // Verify pin usage 86 // Verify pin usage
78 void jtagCheckPinConfig() 87 void jtagCheckPinConfig()
79 { 88 {
80 // Check CBUS usage 89 // Check CBUS usage
81 if ( PORT_TCK > 0x00FF ) 90 if ( PORT_TCK > 0x00FF )
82 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TCK can't use CBUS signal"), exit(2); 91 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TCK can't use CBUS signal"), exit(2);
83 if ( PORT_TCK == 0 ) 92 if ( PORT_TCK == 0 )
84 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TCK not defined"), exit(2); 93 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TCK not defined"), exit(2);
85 94
86 if ( PORT_TDI > 0x00FF ) 95 if ( PORT_TDI > 0x00FF )
87 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TDI can't use CBUS signal"), exit(2); 96 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TDI can't use CBUS signal"), exit(2);
88 if ( PORT_TDI == 0 ) 97 if ( PORT_TDI == 0 )
89 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TDI not defined"), exit(2); 98 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TDI not defined"), exit(2);
90   99  
91 if ( PORT_TDO > 0x00FF ) 100 if ( PORT_TDO > 0x00FF )
92 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TDO can't use CBUS signal"), exit(2); 101 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TDO can't use CBUS signal"), exit(2);
93 if ( PORT_TDO == 0 ) 102 if ( PORT_TDO == 0 )
94 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TDO not defined"), exit(2); 103 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TDO not defined"), exit(2);
95   104  
96 if ( PORT_TMS > 0x00FF) 105 if ( PORT_TMS > 0x00FF)
97 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TMS can't use CBUS signal"), exit(2); 106 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TMS can't use CBUS signal"), exit(2);
98 if ( PORT_TMS == 0 ) 107 if ( PORT_TMS == 0 )
99 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TMS not defined"), exit(2); 108 fprintf(stderr, "\nFTDI: INTERNAL ERROR: TMS not defined"), exit(2);
100   109  
101 if ( PORT_LED > 0x0FFF) 110 if ( PORT_LED > 0x0FFF)
102 fprintf(stderr, "\nFTDI: INTERNAL ERROR: LED can't use CBUS signal > 3"), exit(2); 111 fprintf(stderr, "\nFTDI: INTERNAL ERROR: LED can't use CBUS signal > 3"), exit(2);
103 } 112 }
104   113  
105   114  
106 // Print JTAG Pin Assignment 115 // Print JTAG Pin Assignment
107 void jtagPrintPinConfig() 116 void jtagPrintPinConfig()
108 { 117 {
109 // Print pin masks human readable 118 // Print pin masks human readable
110 printf(" JTAG Port Pins "); printf("TCK->"); jtagPrintPinNames(PORT_TCK); printf("\n"); 119 printf(" JTAG Port Pins "); printf("TCK->"); jtagPrintPinNames(PORT_TCK); printf("\n");
111 printf(" "); printf("TDI->"); jtagPrintPinNames(PORT_TDI); printf("\n"); 120 printf(" "); printf("TDI->"); jtagPrintPinNames(PORT_TDI); printf("\n");
112 printf(" "); printf("TDO->"); jtagPrintPinNames(PORT_TDO); printf("\n"); 121 printf(" "); printf("TDO->"); jtagPrintPinNames(PORT_TDO); printf("\n");
113 printf(" "); printf("TMS->"); jtagPrintPinNames(PORT_TMS); printf("\n"); 122 printf(" "); printf("TMS->"); jtagPrintPinNames(PORT_TMS); printf("\n");
114 printf(" "); printf("LED->"); jtagPrintPinNames(PORT_LED); printf("\n"); 123 printf(" "); printf("LED->"); jtagPrintPinNames(PORT_LED); printf("\n");
115 } 124 }
116   125  
117   126  
118 // Connect to FTDI driver 127 // Connect to FTDI driver
119 int jtagOpenPort(int findDeviceBy, char *findDeviceByStr) 128 int jtagOpenPort(int findDeviceBy, char *findDeviceByStr)
120 { 129 {
121 // Enumerate FTDI Devices 130 // Enumerate FTDI Devices
122 // ---------------------- 131 // ----------------------
123   132  
124 FT_STATUS ftStatus; 133 FT_STATUS ftStatus;
125   134  
126 // Print Library Version 135 // Print Library Version
127 printf("FTDI Connect\n"); 136 printf("FTDI Connect\n");
128 DWORD dwLibraryVer; 137 DWORD dwLibraryVer;
129 ftStatus = FT_GetLibraryVersion(&dwLibraryVer); 138 ftStatus = FT_GetLibraryVersion(&dwLibraryVer);
130 if (ftStatus == FT_OK) 139 if (ftStatus == FT_OK)
131 printf(" Library Version 0x%x\n", dwLibraryVer); 140 printf(" Library Version 0x%x\n", dwLibraryVer);
132 else 141 else
133 fprintf(stderr, "\nFTDI: Error Reading Library Version\n"); 142 fprintf(stderr, "\nFTDI: Error Reading Library Version\n");
134   143  
135 // Create Device Information List 144 // Create Device Information List
136 DWORD numDevs = 0; 145 DWORD numDevs = 0;
137 ftStatus = FT_CreateDeviceInfoList(&numDevs); 146 ftStatus = FT_CreateDeviceInfoList(&numDevs);
138 if (ftStatus == FT_OK) 147 if (ftStatus == FT_OK)
139 printf(" Devices Found %d\n", numDevs); 148 printf(" Devices Found %d\n", numDevs);
140 else 149 else
141 printf(" No FTDI Device Found\n"); 150 printf(" No FTDI Device Found\n");
142   151  
143 if (numDevs==0) 152 if (numDevs==0)
144 return -1; 153 return -1;
145   154  
146 // Print Config Info 155 // Print Config Info
147 jtagPrintPinConfig(); 156 jtagPrintPinConfig();
148 jtagCheckPinConfig(); 157 jtagCheckPinConfig();
149 printf("\n"); 158 printf("\n");
150   159  
151 // List All FTDI Devices 160 // List All FTDI Devices
152 FT_HANDLE ftHandleTemp; 161 FT_HANDLE ftHandleTemp;
153 DWORD Flags; 162 DWORD Flags;
154 DWORD ID; 163 DWORD ID;
155 DWORD Type; 164 DWORD Type;
156 DWORD LocId; 165 DWORD LocId;
157 char SerialNumber[16]; 166 char SerialNumber[16];
158 char Description[64]; 167 char Description[64];
159 for (DWORD i=0; i<numDevs; i++) 168 for (DWORD i=0; i<numDevs; i++)
160 { 169 {
161 ftStatus = FT_GetDeviceInfoDetail(i, &Flags, &Type, &ID, &LocId, SerialNumber, Description, &ftHandleTemp); 170 ftStatus = FT_GetDeviceInfoDetail(i, &Flags, &Type, &ID, &LocId, SerialNumber, Description, &ftHandleTemp);
162 if (ftStatus == FT_OK) 171 if (ftStatus == FT_OK)
163 { 172 {
164 printf("Device %d\n", i); 173 printf("Device %d\n", i);
165 if (Flags & FT_FLAGS_OPENED) 174 if (Flags & FT_FLAGS_OPENED)
166 { 175 {
167 printf(" Description Device is used by another process\n"); 176 printf(" Description Device is used by another process\n");
168 } 177 }
169 else 178 else
170 { 179 {
171 printf(" Description \"%s\"\n", Description); 180 printf(" Description \"%s\"\n", Description);
172 printf(" SerialNumber \"%s\"\n", SerialNumber); 181 printf(" SerialNumber \"%s\"\n", SerialNumber);
173 //printf(" Flags 0x%x\n", Flags); 182 //printf(" Flags 0x%x\n", Flags);
174 //printf(" Type 0x%x\n", Type); 183 //printf(" Type 0x%x\n", Type);
175 //printf(" ID 0x%x\n", ID); 184 //printf(" ID 0x%x\n", ID);
176 printf(" Location 0x%x\n", LocId); 185 printf(" Location 0x%x\n", LocId);
177 } 186 }
178 printf("\n"); 187 printf("\n");
179 } 188 }
180 } 189 }
181   190  
182 // Select one Device and Open It 191 // Select one Device and Open It
183 unsigned int selectedDeviceIndex = 0; 192 unsigned int selectedDeviceIndex = 0;
184 if (findDeviceBy==0) 193 if (findDeviceBy==0)
185 { 194 {
186 // Select by Device Number 195 // Select by Device Number
187 selectedDeviceIndex = atoiEx(findDeviceByStr); 196 selectedDeviceIndex = atoiEx(findDeviceByStr);
188 if (numDevs<=selectedDeviceIndex) 197 if (numDevs<=selectedDeviceIndex)
189 { 198 {
190 fprintf(stderr, " There is no Device Number %d\n\n", selectedDeviceIndex); 199 fprintf(stderr, " There is no Device Number %d\n\n", selectedDeviceIndex);
191 return -1; 200 return -1;
192 } 201 }
193 // Open device 202 // Open device
194 ftStatus = FT_Open(selectedDeviceIndex, &ftHandle); 203 ftStatus = FT_Open(selectedDeviceIndex, &ftHandle);
195 } 204 }
196 else 205 else
197 { 206 {
198 // Select by Description / Serial Number / Location 207 // Select by Description / Serial Number / Location
199 if (findDeviceBy==FT_OPEN_BY_LOCATION) 208 if (findDeviceBy==FT_OPEN_BY_LOCATION)
200 { 209 {
201 // Open device (location is number, not string) 210 // Open device (location is number, not string)
202 int findDeviceByInt = atoiEx(findDeviceByStr); 211 int findDeviceByInt = atoiEx(findDeviceByStr);
203 ftStatus = FT_OpenEx((void*)findDeviceByInt, findDeviceBy, &ftHandle); 212 ftStatus = FT_OpenEx((void*)findDeviceByInt, findDeviceBy, &ftHandle);
204 } 213 }
205 else 214 else
206 { 215 {
207 ftStatus = FT_OpenEx(findDeviceByStr, findDeviceBy, &ftHandle); 216 ftStatus = FT_OpenEx(findDeviceByStr, findDeviceBy, &ftHandle);
208 } 217 }
209 } 218 }
210   219  
211 // Check Status 220 // Check Status
212 if (ftStatus == FT_OK) 221 if (ftStatus == FT_OK)
213 { 222 {
214 ftHandleValid = true; 223 ftHandleValid = true;
215 //printf(" FTDI Device Opened\n"); 224 //printf(" FTDI Device Opened\n");
216 } 225 }
217 else 226 else
218 { 227 {
219 fprintf(stderr, " Can't Open FTDI Device (error code %d)\n\n", ftStatus); 228 fprintf(stderr, " Can't Open FTDI Device (error code %d)\n\n", ftStatus);
220 return -1; 229 return -1;
221 } 230 }
222   231  
223 // Selected Device 232 // Selected Device
224 ftStatus = FT_GetDeviceInfo(ftHandle, &Type, &ID, SerialNumber, Description, 0); 233 ftStatus = FT_GetDeviceInfo(ftHandle, &Type, &ID, SerialNumber, Description, 0);
225 if (ftStatus == FT_OK) 234 if (ftStatus == FT_OK)
226 { 235 {
227 printf("Selected Device\n"); 236 printf("Selected Device\n");
228 printf(" Description \"%s\"\n", Description); 237 printf(" Description \"%s\"\n", Description);
229 printf(" SerialNumber \"%s\"\n", SerialNumber); 238 printf(" SerialNumber \"%s\"\n", SerialNumber);
230 //printf(" Type 0x%x\n", Type); 239 //printf(" Type 0x%x\n", Type);
231 //printf(" ID 0x%x\n", ID); 240 //printf(" ID 0x%x\n", ID);
232 } 241 }
233   242  
234 // Get Driver Version 243 // Get Driver Version
235 DWORD dwDriverVer; 244 DWORD dwDriverVer;
236 ftStatus = FT_GetDriverVersion(ftHandle, &dwDriverVer); 245 ftStatus = FT_GetDriverVersion(ftHandle, &dwDriverVer);
237 if (ftStatus == FT_OK) 246 if (ftStatus == FT_OK)
238 { 247 {
239 printf(" Device Driver Ver 0x%x\n", dwDriverVer); 248 printf(" Device Driver Ver 0x%x\n", dwDriverVer);
240 } 249 }
241 else 250 else
242 { 251 {
243 fprintf(stderr, "FTDI: Error Reading Driver Version\n"); 252 fprintf(stderr, "FTDI: Error Reading Driver Version\n");
244 } 253 }
245   254  
246 // Set BitBang Mode 255 // Set BitBang Mode
247 ftStatus = FT_SetBitMode(ftHandle, (UCHAR)(0xFF & IO_OUTPUT_MASK), FT_BITMODE_SYNC_BITBANG); //FT_BITMODE_SYNC_BITBANG / FT_BITMODE_ASYNC_BITBANG 256 ftStatus = FT_SetBitMode(ftHandle, (UCHAR)(0xFF & IO_OUTPUT_MASK), FT_BITMODE_SYNC_BITBANG); //FT_BITMODE_SYNC_BITBANG / FT_BITMODE_ASYNC_BITBANG
248 if (ftStatus == FT_OK) 257 if (ftStatus == FT_OK)
249 { 258 {
250 // printf("Set BitBang Mode\n"); 259 // printf("Set BitBang Mode\n");
251 } 260 }
252 else 261 else
253 { 262 {
254 fprintf(stderr, "FTDI: Set BitBang Mode Failed %d\n", ftStatus); 263 fprintf(stderr, "FTDI: Set BitBang Mode Failed %d\n", ftStatus);
255 } 264 }
256   265  
257 // Set Baud Rate 266 // Set Baud Rate
258 ftStatus = FT_SetBaudRate(ftHandle, BAUD_RATE); 267 ftStatus = FT_SetBaudRate(ftHandle, BAUD_RATE);
259 if (ftStatus == FT_OK) 268 if (ftStatus == FT_OK)
260 { 269 {
261 printf(" Baud Rate %d\n", BAUD_RATE); 270 printf(" Baud Rate %d\n", BAUD_RATE);
262 } 271 }
263 else 272 else
264 { 273 {
265 fprintf(stderr, "FTDI: Set Baud Rate Failed %d\n", ftStatus); 274 fprintf(stderr, "FTDI: Set Baud Rate Failed %d\n", ftStatus);
266 } 275 }
267   276  
268 ftStatus = FT_Purge(ftHandle, FT_PURGE_RX | FT_PURGE_TX); // Purge both Rx and Tx buffers 277 ftStatus = FT_Purge(ftHandle, FT_PURGE_RX | FT_PURGE_TX); // Purge both Rx and Tx buffers
269 if (ftStatus == FT_OK) 278 if (ftStatus == FT_OK)
270 { 279 {
271 // printf("Purge \n"); 280 // printf("Purge \n");
272 } 281 }
273 else 282 else
274 { 283 {
275 fprintf(stderr, "FTDI: FT_Purge failed %d\n", ftStatus); 284 fprintf(stderr, "FTDI: FT_Purge failed %d\n", ftStatus);
276 } 285 }
277   286  
278 ftStatus = FT_SetLatencyTimer(ftHandle, USB_LATENCY); // Latency in ms 287 ftStatus = FT_SetLatencyTimer(ftHandle, USB_LATENCY); // Latency in ms
279 if (ftStatus == FT_OK) 288 if (ftStatus == FT_OK)
280 { 289 {
281 printf(" USB Latency %d\n", USB_LATENCY); 290 printf(" USB Latency %d\n", USB_LATENCY);
282 } 291 }
283 else 292 else
284 { 293 {
285 fprintf(stderr, "FTDI: Set USB Latency Timer Failed %d\n", ftStatus); 294 fprintf(stderr, "FTDI: Set USB Latency Timer Failed %d\n", ftStatus);
286 } 295 }
287   296  
-   297 // Fix (without this delay the next FT_Read hang for ever)
-   298 // My Linux i5 notebook requires at least 2500us
-   299 #ifdef WIN32
-   300 Sleep(10); //ms
-   301 #else
-   302 usleep(10000); //us
-   303 #endif
-   304  
288 printf("\n"); 305 printf("\n");
289 return 0; 306 return 0;
290 } 307 }
291   308  
292   309  
293 // Enable or Disable Activity LED 310 // Enable or Disable Activity LED
294 void jtagSetLED(bool LedEnable) 311 void jtagSetLED(bool LedEnable)
295 { 312 {
296   -  
297 // DBUS Connected LED (BitBang Mode) 313 // DBUS Connected LED (BitBang Mode)
298 LedMask = LedEnable ? (PORT_LED & 0xFF) : 0; // Set mask for jtagScan function 314 LedMask = LedEnable ? (0xFF & PORT_LED) : 0; // Set mask for jtagScan function
299 if (PORT_LED & 0xFF) 315 if (PORT_LED & 0xFF)
300 { 316 {
301 // Set / Reset LED Pin 317 // Set / Reset LED Pin
302 DWORD BytesWritten; 318 DWORD BytesWritten;
303 DWORD BytesReceived; 319 DWORD BytesReceived;
304 unsigned char DataOut = LedMask | (PinStatus & ~PORT_LED); // Preserve PinStatus 320 unsigned char DataOut = LedMask | (PinStatus & ~PORT_LED); // Preserve PinStatus
305 unsigned char Dummy; 321 unsigned char Dummy;
306 FT_Write(ftHandle, &DataOut, 1, &BytesWritten ); // Send 1 byte 322 FT_Write(ftHandle, &DataOut, 1, &BytesWritten ); // Send 1 byte
307 FT_Read (ftHandle, &Dummy, 1, &BytesReceived); // Read 1 byte 323 FT_Read (ftHandle, &Dummy, 1, &BytesReceived); // Read 1 byte
308 //printf("[PinStatus %x DataOut %x]", PinStatus, DataOut); -  
309 } 324 }
310   325  
311 // CBUS Connected LED (BitBang Mode) 1 and 0 state of the port 326 // CBUS Connected LED (BitBang Mode) 1 and 0 state of the port
312 const unsigned char On = ( ((PORT_LED & 0x0F00) >> 4) | ((PORT_LED & 0x0F00) >> 8) ); 327 const unsigned char On = ( ((PORT_LED & 0x0F00) >> 4) | ((PORT_LED & 0x0F00) >> 8) );
313 const unsigned char Off = ( ((PORT_LED & 0x0F00) >> 4) ); 328 const unsigned char Off = ( ((PORT_LED & 0x0F00) >> 4) );
314   329  
315 if (On) 330 if (On)
316 { 331 {
317 // Set / Reset LED Pin 332 // Set / Reset LED Pin
318 FT_SetBitMode(ftHandle, LedEnable ? On : Off, FT_BITMODE_CBUS_BITBANG); 333 FT_SetBitMode(ftHandle, LedEnable ? On : Off, FT_BITMODE_CBUS_BITBANG);
319   334  
320 // Return to used Mode 335 // Return to used Mode
321 FT_SetBitMode(ftHandle, (UCHAR)(0xFF & IO_OUTPUT_MASK), FT_BITMODE_SYNC_BITBANG); //FT_BITMODE_SYNC_BITBANG / FT_BITMODE_ASYNC_BITBANG 336 FT_SetBitMode(ftHandle, (UCHAR)(0xFF & IO_OUTPUT_MASK), FT_BITMODE_SYNC_BITBANG); //FT_BITMODE_SYNC_BITBANG / FT_BITMODE_ASYNC_BITBANG
322 } 337 }
323 } 338 }
324   339  
325   340  
326 // Set port to Idle state 341 // Set port to Idle state
327 void jtagSetIdle() 342 void jtagSetIdle()
328 { 343 {
329 char b = 0; // Idle State for JTAG pins 344 char b = 0; // Idle State for JTAG pins
330 DWORD BytesWritten; 345 DWORD BytesWritten;
331 DWORD BytesReceived; 346 DWORD BytesReceived;
332   347  
333 // Write (idle state of pins) 348 // Write (idle state of pins)
334 FT_Write(ftHandle, &b, 1, &BytesWritten); 349 FT_Write(ftHandle, &b, 1, &BytesWritten);
335 // Read (not to left data in input fifo) 350 // Read (not to left data in input fifo)
336 FT_Read(ftHandle, &b, 1, &BytesReceived); 351 FT_Read(ftHandle, &b, 1, &BytesReceived);
337 } 352 }
338   353  
339   354  
340 // Close FTDI connection 355 // Close FTDI connection
341 int jtagClosePort() 356 int jtagClosePort()
342 { 357 {
343 if (ftHandleValid) 358 if (ftHandleValid)
344 { 359 {
345 jtagSetLED(false); 360 jtagSetLED(false);
346 // Switch Off the Outputs 361 // Switch Off the Outputs
347 FT_Purge(ftHandle, FT_PURGE_RX | FT_PURGE_TX); // Purge both Rx and Tx buffers 362 FT_Purge(ftHandle, FT_PURGE_RX | FT_PURGE_TX); // Purge both Rx and Tx buffers
348 FT_SetBitMode(ftHandle, 0, FT_BITMODE_SYNC_BITBANG); 363 FT_SetBitMode(ftHandle, 0, FT_BITMODE_SYNC_BITBANG);
349 // Close FTDI Lib 364 // Close FTDI Lib
350 FT_Close(ftHandle); 365 FT_Close(ftHandle);
351 ftHandleValid = false; 366 ftHandleValid = false;
352 } 367 }
353 return 0; 368 return 0;
354 } 369 }
355   370  
356   371  
357 // Send data to JTAG port and bring returned data 372 // Send data to JTAG port and bring returned data
358 int jtagScan(const unsigned char *TMS, const unsigned char *TDI, unsigned char *TDO, unsigned int bits) 373 int jtagScan(const unsigned char *TMS, const unsigned char *TDI, unsigned char *TDO, unsigned int bits)
359 { 374 {
360 FT_STATUS ftStatus; 375 FT_STATUS ftStatus;
361 DWORD BytesWritten; 376 DWORD BytesWritten;
362 DWORD BytesReceived; 377 DWORD BytesReceived;
363 unsigned int r, t; 378 unsigned int r, t;
364   379  
365 // Decompose TDI and TMS byte array to raw bitstream 380 // Decompose TDI and TMS byte array to raw bitstream
366 //(1 TDI bit + 1 TMS bit --> 1 byte + 1 byte with TCK) 381 //(1 TDI bit + 1 TMS bit --> 1 byte + 1 byte with TCK)
367 unsigned char buffer[16384]; 382 unsigned char buffer[16384];
368 if (bits > sizeof(buffer)/2) 383 if (bits > sizeof(buffer)/2)
369 { 384 {
370 fprintf(stderr, "\n FTDI: Out of Buffer Space for %d bits\n", bits); 385 fprintf(stderr, "\n FTDI: Out of Buffer Space for %d bits\n", bits);
371 return -1; 386 return -1;
372 } 387 }
373   388  
374 // Switch LED On 389 // Switch LED On
375 jtagSetLED(true); 390 jtagSetLED(true);
376   391  
377 // Prepare transmit data to buffer 392 // Prepare transmit data to buffer
378 for (unsigned int i = 0; i < bits; ++i) 393 for (unsigned int i = 0; i < bits; ++i)
379 { 394 {
380 unsigned char v = 0 | LedMask; // LED On / Off (on DBUS) 395 unsigned char v = 0 | LedMask; // LED On / Off (on DBUS)
381 if (TMS[i/8] & (1<<(i&7))) 396 if (TMS[i/8] & (1<<(i&7)))
382 { 397 {
383 v |= PORT_TMS; 398 v |= PORT_TMS;
384 // printf("T"); 399 // printf("T");
385 } 400 }
386 else 401 else
387 { 402 {
388 // printf("t"); 403 // printf("t");
389 } 404 }
390 if (TDI[i/8] & (1<<(i&7))) 405 if (TDI[i/8] & (1<<(i&7)))
391 { 406 {
392 v |= PORT_TDI; 407 v |= PORT_TDI;
393 // printf("|"); 408 // printf("|");
394 } 409 }
395 else 410 else
396 { 411 {
397 // printf("."); 412 // printf(".");
398 } 413 }
399 buffer[i * 2 + 0] = v; 414 buffer[i * 2 + 0] = v;
400 buffer[i * 2 + 1] = v | PORT_TCK; 415 buffer[i * 2 + 1] = v | PORT_TCK;
401 } 416 }
402 PinStatus = buffer[bits*2-1]; 417 PinStatus = buffer[bits*2-1];
403 // printf("\n"); 418 // printf("\n");
404   419  
405 // Send data to FTDI 420 // Send data to FTDI
406 r = 0; 421 r = 0;
407 while (r < bits * 2) 422 while (r < bits * 2)
408 { 423 {
409 t = bits * 2 - r; 424 t = bits * 2 - r;
410 if (t > FTDI_MAX_WRITESIZE) 425 if (t > FTDI_MAX_WRITESIZE)
411 { 426 {
412 t = FTDI_MAX_WRITESIZE; 427 t = FTDI_MAX_WRITESIZE;
413 } 428 }
414 429
415 // printf("writing %d bytes to FTDI\n", t); 430 // printf("writing %d bytes to FTDI\n", t);
416 ftStatus = FT_Write(ftHandle, buffer+r, t, &BytesWritten); 431 ftStatus = FT_Write(ftHandle, buffer+r, t, &BytesWritten);
417 if (ftStatus != FT_OK) 432 if (ftStatus != FT_OK)
418 { 433 {
419 fprintf(stderr, "\n FTDI: Error Writing\n"); 434 fprintf(stderr, "\n FTDI: Error Writing\n");
420 return -2; 435 return -2;
421 } 436 }
422   437  
423 unsigned int i = 0; 438 unsigned int i = 0;
424 439
425 while (i < t) 440 while (i < t)
426 { 441 {
427 FT_SetTimeouts(ftHandle, 5000, 0); // timeout 5 sec 442 FT_SetTimeouts(ftHandle, 5000, 0); // timeout 5 sec
428 ftStatus = FT_Read(ftHandle, buffer+r+i, t-i, &BytesReceived); 443 ftStatus = FT_Read(ftHandle, buffer+r+i, t-i, &BytesReceived);
429 if (ftStatus == FT_OK) 444 if (ftStatus == FT_OK)
430 { 445 {
431 if (BytesReceived == t-i) 446 if (BytesReceived == t-i)
432 { 447 {
433 // FT_Read OK 448 // FT_Read OK
434 // printf("Read from FTDI %d bytes", BytesReceived); 449 // printf("Read from FTDI %d bytes", BytesReceived);
435 } 450 }
436 else 451 else
437 { 452 {
438 // FT_Read Timeout 453 // FT_Read Timeout
439 fprintf(stderr, "\n FTDI: Read Timeout\n"); 454 fprintf(stderr, "\n FTDI: Read Timeout\n");
440 return -2; 455 return -2;
441 } 456 }
442 } 457 }
443 else 458 else
444 { 459 {
445 fprintf(stderr, "\n FTDI: Error Reading\n");// Error 460 fprintf(stderr, "\n FTDI: Error Reading\n");// Error
446 return -2; 461 return -2;
447 } 462 }
448   463  
449 i += BytesReceived; 464 i += BytesReceived;
450 } 465 }
451 466
452 r += t; 467 r += t;
453 } 468 }
454   469  
455 // Pack TDO bitstream from receive buffer to byte array 470 // Pack TDO bitstream from receive buffer to byte array
456 memset(TDO, 0, (bits + 7) / 8); 471 memset(TDO, 0, (bits + 7) / 8);
457 472
458 for (unsigned int i = 0; i < bits; ++i) 473 for (unsigned int i = 0; i < bits; ++i)
459 { 474 {
460 if (buffer[i * 2 + 1] & PORT_TDO) 475 if (buffer[i * 2 + 1] & PORT_TDO)
461 { 476 {
462 TDO[i/8] |= 1 << (i&7); 477 TDO[i/8] |= 1 << (i&7);
463 // printf("H"); 478 // printf("H");
464 } 479 }
465 else 480 else
466 { 481 {
467 // printf("L"); 482 // printf("L");
468 } 483 }
469 } 484 }
470 // printf("\n"); 485 // printf("\n");
471 // printf(" Bits %d ", bit_counter); 486 // printf(" Bits %d ", bit_counter);
472   487  
473 // Switch LED Off 488 // Switch LED Off
474 jtagSetLED(false); 489 jtagSetLED(false);
475   490  
476 return 0; 491 return 0;
477 } 492 }
478   493  
479 // Check if Cable is still connected and accesible 494 // Check if Cable is still connected and accesible
480 // True is o.k. 495 // True is o.k.
481 bool CheckCable() 496 bool CheckCable()
482 { 497 {
483 FT_STATUS ftStatus; 498 FT_STATUS ftStatus;
484   499  
485 DWORD lpdwAmountInRxQueue, lpdwAmountInTxQueue, lpdwEventStatus; 500 DWORD lpdwAmountInRxQueue, lpdwAmountInTxQueue, lpdwEventStatus;
486   501  
487 ftStatus = FT_GetStatus(ftHandle, &lpdwAmountInRxQueue, &lpdwAmountInTxQueue, &lpdwEventStatus); 502 ftStatus = FT_GetStatus(ftHandle, &lpdwAmountInRxQueue, &lpdwAmountInTxQueue, &lpdwEventStatus);
488 return (ftStatus==FT_OK); 503 return (ftStatus==FT_OK);
489 } 504 }