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3608c106 UH |
1 | /** |
2 | * Copyright (C) 2009 Ubixum, Inc. | |
3 | * | |
4 | * This library is free software; you can redistribute it and/or | |
5 | * modify it under the terms of the GNU Lesser General Public | |
6 | * License as published by the Free Software Foundation; either | |
7 | * version 2.1 of the License, or (at your option) any later version. | |
8 | * | |
9 | * This library is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
12 | * Lesser General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU Lesser General Public | |
15 | * License along with this library; if not, write to the Free Software | |
16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
17 | **/ | |
18 | ||
19 | //#define DEBUG_SETUPDAT | |
20 | ||
21 | #ifdef DEBUG_SETUPDAT | |
22 | #include <stdio.h> // NOTE this needs deleted | |
23 | #else | |
24 | #define printf(...) | |
25 | #define NULL (void*)0; | |
26 | #endif | |
27 | ||
28 | #include <fx2regs.h> | |
29 | #include <fx2macros.h> | |
30 | #include <eputils.h> | |
31 | #include <setupdat.h> | |
32 | ||
33 | ||
34 | extern BOOL handle_vendorcommand(BYTE cmd); | |
35 | extern BOOL handle_set_configuration(BYTE cfg); | |
36 | extern BOOL handle_get_interface(BYTE ifc, BYTE* alt_ifc); | |
37 | extern BOOL handle_set_interface(BYTE ifc,BYTE alt_ifc); | |
38 | extern BYTE handle_get_configuration(); | |
39 | extern BOOL handle_set_configuration(BYTE cfg); | |
40 | extern void handle_reset_ep(BYTE ep); | |
41 | ||
42 | /** | |
43 | * Predefs for handlers | |
44 | **/ | |
45 | ||
46 | ||
47 | // GET_STATUS, | |
48 | BOOL handle_get_status(); | |
49 | // CLEAR_FEATURE, | |
50 | BOOL handle_clear_feature(); | |
51 | // 0x02 is reserved | |
52 | // SET_FEATURE=0x03, | |
53 | BOOL handle_set_feature(); | |
54 | // 0x04 is reserved | |
55 | // SET_ADDRESS=0x05, // this is handled by EZ-USB core unless RENUM=0 | |
56 | // GET_DESCRIPTOR, | |
57 | void handle_get_descriptor(); | |
58 | // SET_DESCRIPTOR, | |
59 | // GET_CONFIGURATION, // handled by callback | |
60 | // SET_CONFIGURATION, // handled by callback | |
61 | // GET_INTERFACE, // handled by callback | |
62 | // SET_INTERFACE, // handled by callback | |
63 | // SYNC_FRAME // not yet implemented | |
64 | ||
65 | /* | |
66 | TRM 2.2 | |
67 | Setup Token -> | |
68 | data transfer -> | |
69 | handshake | |
70 | */ | |
71 | ||
72 | void handle_setupdata() { | |
73 | //printf ( "Handle setupdat: %02x\n", SETUPDAT[1] ); | |
74 | ||
75 | switch ( SETUPDAT[1] ) { | |
76 | ||
77 | case GET_STATUS: | |
78 | if (!handle_get_status()) | |
79 | STALLEP0(); | |
80 | break; | |
81 | case CLEAR_FEATURE: | |
82 | if (!handle_clear_feature()) { | |
83 | STALLEP0(); | |
84 | } | |
85 | break; | |
86 | case SET_FEATURE: | |
87 | if (!handle_set_feature()) { | |
88 | STALLEP0(); | |
89 | } | |
90 | break; | |
91 | case GET_DESCRIPTOR: | |
92 | handle_get_descriptor(); | |
93 | break; | |
94 | case GET_CONFIGURATION: | |
95 | EP0BUF[0] = handle_get_configuration(); | |
96 | EP0BCH=0; | |
97 | EP0BCL=1; | |
98 | break; | |
99 | case SET_CONFIGURATION: | |
100 | // user callback | |
101 | if( !handle_set_configuration(SETUPDAT[2])) { | |
102 | STALLEP0(); | |
103 | } | |
104 | break; | |
105 | case GET_INTERFACE: | |
106 | { | |
107 | BYTE alt_ifc; | |
108 | if (!handle_get_interface(SETUPDAT[4],&alt_ifc)) { | |
109 | STALLEP0(); | |
110 | } else { | |
111 | EP0BUF[0] = alt_ifc; | |
112 | EP0BCH=0; | |
113 | EP0BCL=1; | |
114 | } | |
115 | } | |
116 | break; | |
117 | case SET_INTERFACE: | |
118 | // user callback | |
119 | if ( !handle_set_interface(SETUPDAT[4],SETUPDAT[2])) { | |
120 | STALLEP0(); | |
121 | } | |
122 | break; | |
123 | default: | |
124 | if (!handle_vendorcommand(SETUPDAT[1])) { | |
125 | printf ( "Unhandled Vendor Command: %02x\n" , SETUPDAT[1] ); | |
126 | STALLEP0(); | |
127 | } | |
128 | ||
129 | ||
130 | } | |
131 | ||
132 | // do the handshake | |
133 | EP0CS |= bmHSNAK; | |
134 | ||
135 | } | |
136 | ||
137 | __xdata BYTE* ep_addr(BYTE ep) { // bit 8 of ep_num is the direction | |
138 | BYTE ep_num = ep&~0x80; // mask the direction | |
139 | switch (ep_num) { | |
140 | case 0: return &EP0CS; | |
141 | case 1: return ep&0x80? &EP1INCS : &EP1OUTCS; | |
142 | case 2: return &EP2CS; | |
143 | case 4: return &EP4CS; | |
144 | case 6: return &EP6CS; | |
145 | case 8: return &EP8CS; | |
146 | default: return NULL; | |
147 | } | |
148 | } | |
149 | ||
150 | ||
151 | // Get status has three request types | |
152 | #define GS_DEVICE 0x80 | |
153 | #define GS_INTERFACE 0x81 | |
154 | #define GS_ENDPOINT 0x82 | |
155 | ||
156 | ||
157 | volatile BOOL self_powered=FALSE; | |
158 | volatile BOOL remote_wakeup_allowed=FALSE; | |
159 | ||
160 | BOOL handle_get_status() { | |
161 | ||
162 | switch ( SETUPDAT[0] ) { | |
163 | ||
164 | // case 0: // sometimes we get a 0 status too | |
165 | case GS_INTERFACE: | |
166 | EP0BUF[0] = 0; | |
167 | EP0BUF[1] = 0; | |
168 | EP0BCH=0; | |
169 | EP0BCL=2; | |
170 | break; | |
171 | case GS_DEVICE: | |
172 | ||
173 | // two byte response | |
174 | // byte 0 bit 0 = self powered bit 1 = remote wakeup | |
175 | EP0BUF[0] = (remote_wakeup_allowed << 1) | self_powered; | |
176 | // byte 1 = 0 | |
177 | EP0BUF[1] = 0; | |
178 | EP0BCH = 0; | |
179 | EP0BCL = 2; | |
180 | break; | |
181 | case GS_ENDPOINT: | |
182 | { | |
183 | __xdata BYTE* pep=ep_addr(SETUPDAT[4]); | |
184 | if ( !pep ) return FALSE; | |
185 | // byte 0 bit 0 = stall bit | |
186 | EP0BUF[0] = *pep & bmEPSTALL ? 1 : 0; | |
187 | EP0BUF[1] = 0; | |
188 | EP0BCH=0; | |
189 | EP0BCL=2; | |
190 | } | |
191 | break; | |
192 | default: | |
193 | printf ( "Unexpected Get Status: %02x\n", SETUPDAT[0] ); | |
194 | return FALSE; | |
195 | ||
196 | ||
197 | } | |
198 | return TRUE; | |
199 | } | |
200 | ||
201 | ||
202 | #define GF_DEVICE 0 | |
203 | #define GF_ENDPOINT 2 | |
204 | ||
205 | BOOL handle_clear_feature() { | |
206 | //printf ( "Clear Feature\n" ); | |
207 | switch ( SETUPDAT[0] ) { | |
208 | case GF_DEVICE: | |
209 | if (SETUPDAT[2] == 1) { | |
210 | remote_wakeup_allowed=FALSE; | |
211 | break; | |
212 | } | |
213 | return FALSE; | |
214 | case GF_ENDPOINT: | |
215 | if (SETUPDAT[2] == 0) { // ep stall feature | |
216 | __xdata BYTE* pep=ep_addr(SETUPDAT[4]); | |
217 | printf ( "unstall endpoint %02X\n" , SETUPDAT[4] ); | |
218 | *pep &= ~bmEPSTALL; | |
219 | } else { | |
220 | printf ( "unsupported ep feature %02x", SETUPDAT[2] ); | |
221 | return FALSE; | |
222 | } | |
223 | ||
224 | break; | |
225 | default: | |
226 | return handle_vendorcommand(SETUPDAT[1]); | |
227 | } | |
228 | return TRUE; | |
229 | } | |
230 | ||
231 | BOOL handle_set_feature() { | |
232 | printf ( "Set Feature %02x\n", SETUPDAT[0] ); | |
233 | switch ( SETUPDAT[0] ) { | |
234 | case GF_DEVICE: | |
235 | if (SETUPDAT[2] == 2) break; // this is TEST_MODE and we simply need to return the handshake | |
236 | if (SETUPDAT[2] == 1) { | |
237 | remote_wakeup_allowed=TRUE; | |
238 | break; | |
239 | } | |
240 | return FALSE; | |
241 | case GF_ENDPOINT: | |
242 | if ( SETUPDAT[2] == 0 ) { // ep stall feature | |
243 | // set TRM 2.3.2 | |
244 | // stall and endpoint | |
245 | __xdata BYTE* pep = ep_addr(SETUPDAT[4]); | |
246 | printf ( "Stall ep %d\n", SETUPDAT[4] ); | |
247 | if (!pep) { | |
248 | return FALSE; | |
249 | } | |
250 | ||
251 | *pep |= bmEPSTALL; | |
252 | // should now reset data toggles | |
253 | // write ep+dir to TOGCTL | |
254 | RESETTOGGLE(SETUPDAT[4]); | |
255 | // restore stalled ep to default condition | |
256 | // NOTE | |
257 | //handle_reset_ep(SETUPDAT[4]); | |
258 | ||
259 | } else { | |
260 | printf ( "unsupported ep feature %02x\n", SETUPDAT[2] ); | |
261 | return FALSE; | |
262 | } | |
263 | break; | |
264 | default: | |
265 | return handle_vendorcommand(SETUPDAT[1]); | |
266 | } | |
267 | return TRUE; | |
268 | } | |
269 | ||
270 | /* these are devined in dscr.asm | |
271 | and need to be customized then | |
272 | linked in by the firmware manually */ | |
273 | extern __code WORD dev_dscr; | |
274 | extern __code WORD dev_qual_dscr; | |
275 | extern __code WORD highspd_dscr; | |
276 | extern __code WORD fullspd_dscr; | |
277 | extern __code WORD dev_strings; | |
278 | ||
279 | WORD pDevConfig = (WORD)&fullspd_dscr; | |
280 | WORD pOtherConfig = (WORD)&highspd_dscr; | |
281 | ||
282 | void handle_hispeed(BOOL highspeed) { | |
283 | __critical { | |
284 | printf ( "Hi Speed or reset Interrupt\n" ); | |
285 | if (highspeed) { | |
286 | pDevConfig=(WORD)&highspd_dscr; | |
287 | pOtherConfig=(WORD)&fullspd_dscr; | |
288 | } else { | |
289 | pDevConfig=(WORD)&fullspd_dscr; | |
290 | pOtherConfig=(WORD)&highspd_dscr; | |
291 | } | |
292 | } | |
293 | } | |
294 | ||
295 | /** | |
296 | * Handle: | |
297 | * Device Descriptor | |
298 | * Device Qualifier | |
299 | * Configuration | |
300 | * String | |
301 | * Other-Speed | |
302 | **/ | |
303 | void handle_get_descriptor() { | |
304 | //printf ( "Get Descriptor\n" ); | |
305 | ||
306 | switch ( SETUPDAT[3] ) { | |
307 | case DSCR_DEVICE_TYPE: | |
308 | printf ( "Get Device Config\n" ); | |
309 | SUDPTRH = MSB((WORD)&dev_dscr); | |
310 | SUDPTRL = LSB((WORD)&dev_dscr); | |
311 | break; | |
312 | case DSCR_CONFIG_TYPE: | |
313 | // get the config descriptor | |
314 | printf ( "Get Config Descriptor\n"); | |
315 | SUDPTRH = MSB(pDevConfig); | |
316 | SUDPTRL = LSB(pDevConfig); | |
317 | break; | |
318 | case DSCR_STRING_TYPE: | |
319 | //printf ( "Get String Descriptor idx: %d\n", SETUPDAT[2] ); | |
320 | { | |
321 | STRING_DSCR* pStr = (STRING_DSCR*)&dev_strings; | |
322 | // pStr points to string 0 | |
323 | BYTE idx = SETUPDAT[2]; | |
324 | BYTE cur=0; // current check | |
325 | do { | |
326 | if (idx==cur++) break; | |
327 | //printf ( "Length of pStr: %d\n", pStr->dsc_len ); | |
328 | //printf ( "pstr: %04x to ", pStr ); | |
329 | pStr = (STRING_DSCR*)((BYTE*)pStr + pStr->dsc_len); | |
330 | //printf ( "%04x\n" , pStr ); | |
331 | if (pStr->dsc_type != DSCR_STRING_TYPE) pStr=NULL; | |
332 | } while ( pStr && cur<=idx); | |
333 | ||
334 | if (pStr) { | |
335 | /* BYTE i; | |
336 | //printf ( "found str: '"); | |
337 | for (i=0;i<pStr->dsc_len-2;++i) { | |
338 | printf ( i%2==0?"%c":"%02x", *((BYTE*)(&pStr->pstr)+i)); | |
339 | } printf ( "\n"); */ | |
340 | ||
341 | SUDPTRH = MSB((WORD)pStr); | |
342 | SUDPTRL = LSB((WORD)pStr); | |
343 | //SUDPTRH = MSB((WORD)&dev_strings); | |
344 | //SUDPTRL = LSB((WORD)&dev_strings); | |
345 | } else {STALLEP0();} | |
346 | ||
347 | } | |
348 | ||
349 | break; | |
350 | case DSCR_DEVQUAL_TYPE: | |
351 | printf ( "Get Device Qualifier Descriptor\n"); | |
352 | // assumes this is a high speed capable device | |
353 | SUDPTRH = MSB((WORD)&dev_qual_dscr); | |
354 | SUDPTRL = LSB((WORD)&dev_qual_dscr); | |
355 | break; | |
356 | case DSCR_OTHERSPD_TYPE: | |
357 | printf ( "Other Speed Descriptor\n"); | |
358 | SUDPTRH = MSB(pOtherConfig); | |
359 | SUDPTRL = LSB(pOtherConfig); | |
360 | break; | |
361 | default: | |
362 | printf ( "Unhandled Get Descriptor: %02x\n", SETUPDAT[3]); | |
363 | STALLEP0(); | |
364 | } | |
365 | ||
366 | } | |
367 |