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Commit | Line | Data |
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1b1c914f | 1 | ## |
50bd5d25 | 2 | ## This file is part of the libsigrokdecode project. |
1b1c914f | 3 | ## |
1be94d3d | 4 | ## Copyright (C) 2011-2016 Uwe Hermann <uwe@hermann-uwe.de> |
1b1c914f UH |
5 | ## |
6 | ## This program is free software; you can redistribute it and/or modify | |
7 | ## it under the terms of the GNU General Public License as published by | |
8 | ## the Free Software Foundation; either version 2 of the License, or | |
9 | ## (at your option) any later version. | |
10 | ## | |
11 | ## This program is distributed in the hope that it will be useful, | |
12 | ## but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | ## GNU General Public License for more details. | |
15 | ## | |
16 | ## You should have received a copy of the GNU General Public License | |
4539e9ca | 17 | ## along with this program; if not, see <http://www.gnu.org/licenses/>. |
1b1c914f UH |
18 | ## |
19 | ||
677d597b | 20 | import sigrokdecode as srd |
c2446117 | 21 | from .lists import * |
1b1c914f | 22 | |
1be94d3d UH |
23 | L = len(cmds) |
24 | ||
25 | # Don't forget to keep this in sync with 'cmds' is lists.py. | |
26 | class Ann: | |
27 | WRSR, PP, READ, WRDI, RDSR, WREN, FAST_READ, SE, RDSCUR, WRSCUR, \ | |
28 | RDSR2, CE, ESRY, DSRY, REMS, RDID, RDP_RES, CP, ENSO, DP, READ2X, \ | |
29 | EXSO, CE2, BE, REMS2, \ | |
30 | BIT, FIELD, WARN = range(L + 3) | |
31 | ||
9389f2c1 | 32 | def cmd_annotation_classes(): |
da9bcbd9 | 33 | return tuple([tuple([cmd[0].lower(), cmd[1]]) for cmd in cmds.values()]) |
9389f2c1 | 34 | |
10d3c8dc AG |
35 | def decode_dual_bytes(sio0, sio1): |
36 | # Given a byte in SIO0 (MOSI) of even bits and a byte in | |
37 | # SIO1 (MISO) of odd bits, return a tuple of two bytes. | |
38 | def combine_byte(even, odd): | |
39 | result = 0 | |
40 | for bit in range(4): | |
41 | if even & (1 << bit): | |
42 | result |= 1 << (bit*2) | |
43 | if odd & (1 << bit): | |
44 | result |= 1 << ((bit*2) + 1) | |
45 | return result | |
46 | return (combine_byte(sio0 >> 4, sio1 >> 4), combine_byte(sio0, sio1)) | |
47 | ||
7cfbf663 UH |
48 | def decode_status_reg(data): |
49 | # TODO: Additional per-bit(s) self.put() calls with correct start/end. | |
50 | ||
51 | # Bits[0:0]: WIP (write in progress) | |
52 | s = 'W' if (data & (1 << 0)) else 'No w' | |
53 | ret = '%srite operation in progress.\n' % s | |
54 | ||
55 | # Bits[1:1]: WEL (write enable latch) | |
56 | s = '' if (data & (1 << 1)) else 'not ' | |
57 | ret += 'Internal write enable latch is %sset.\n' % s | |
58 | ||
59 | # Bits[5:2]: Block protect bits | |
60 | # TODO: More detailed decoding (chip-dependent). | |
61 | ret += 'Block protection bits (BP3-BP0): 0x%x.\n' % ((data & 0x3c) >> 2) | |
62 | ||
63 | # Bits[6:6]: Continuously program mode (CP mode) | |
64 | s = '' if (data & (1 << 6)) else 'not ' | |
65 | ret += 'Device is %sin continuously program mode (CP mode).\n' % s | |
66 | ||
67 | # Bits[7:7]: SRWD (status register write disable) | |
cd287c56 | 68 | s = 'not ' if (data & (1 << 7)) else '' |
7cfbf663 UH |
69 | ret += 'Status register writes are %sallowed.\n' % s |
70 | ||
71 | return ret | |
72 | ||
677d597b | 73 | class Decoder(srd.Decoder): |
12851357 | 74 | api_version = 2 |
3ca1f1b3 UH |
75 | id = 'spiflash' |
76 | name = 'SPI flash' | |
77 | longname = 'SPI flash chips' | |
78 | desc = 'xx25 series SPI (NOR) flash chip protocol.' | |
1b1c914f | 79 | license = 'gplv2+' |
a1497fa3 | 80 | inputs = ['spi'] |
3ca1f1b3 | 81 | outputs = ['spiflash'] |
da9bcbd9 | 82 | annotations = cmd_annotation_classes() + ( |
1be94d3d UH |
83 | ('bit', 'Bit'), |
84 | ('field', 'Field'), | |
85 | ('warning', 'Warning'), | |
da9bcbd9 | 86 | ) |
9ed42038 | 87 | annotation_rows = ( |
1be94d3d UH |
88 | ('bits', 'Bits', (L + 0,)), |
89 | ('fields', 'Fields', (L + 1,)), | |
90 | ('commands', 'Commands', tuple(range(len(cmds)))), | |
91 | ('warnings', 'Warnings', (L + 2,)), | |
9ed42038 | 92 | ) |
c2446117 UH |
93 | options = ( |
94 | {'id': 'chip', 'desc': 'Chip', 'default': tuple(chips.keys())[0], | |
95 | 'values': tuple(chips.keys())}, | |
b33a73bc UH |
96 | {'id': 'format', 'desc': 'Data format', 'default': 'hex', |
97 | 'values': ('hex', 'ascii')}, | |
c2446117 | 98 | ) |
1b1c914f | 99 | |
92b7b49f | 100 | def __init__(self): |
db188228 | 101 | self.device_id = -1 |
2c920167 AG |
102 | self.on_end_transaction = None |
103 | self.end_current_transaction() | |
104 | ||
1ec9c5e2 AG |
105 | # Build dict mapping command keys to handler functions. Each |
106 | # command in 'cmds' (defined in lists.py) has a matching | |
107 | # handler self.handle_<shortname>. | |
108 | def get_handler(cmd): | |
109 | s = 'handle_%s' % cmds[cmd][0].lower().replace('/', '_') | |
110 | return getattr(self, s) | |
111 | self.cmd_handlers = dict((cmd, get_handler(cmd)) for cmd in cmds.keys()) | |
112 | ||
2c920167 AG |
113 | def end_current_transaction(self): |
114 | if self.on_end_transaction is not None: # Callback for CS# transition. | |
115 | self.on_end_transaction() | |
116 | self.on_end_transaction = None | |
4772a846 | 117 | self.state = None |
781ef945 | 118 | self.cmdstate = 1 |
e4022299 UH |
119 | self.addr = 0 |
120 | self.data = [] | |
1b1c914f | 121 | |
8915b346 | 122 | def start(self): |
be465111 | 123 | self.out_ann = self.register(srd.OUTPUT_ANN) |
c2446117 | 124 | self.chip = chips[self.options['chip']] |
db188228 | 125 | self.vendor = self.options['chip'].split('_')[0] |
1b1c914f | 126 | |
385508e9 | 127 | def putx(self, data): |
ee3e279c | 128 | # Simplification, most annotations span exactly one SPI byte/packet. |
9b4d8a57 UH |
129 | self.put(self.ss, self.es, self.out_ann, data) |
130 | ||
de22de7f UH |
131 | def putf(self, data): |
132 | self.put(self.ss_field, self.es_field, self.out_ann, data) | |
133 | ||
134 | def putc(self, data): | |
135 | self.put(self.ss_cmd, self.es_cmd, self.out_ann, data) | |
136 | ||
137 | def device(self): | |
138 | return device_name[self.vendor].get(self.device_id, 'Unknown') | |
7c139a54 | 139 | |
db188228 | 140 | def vendor_device(self): |
de22de7f UH |
141 | return '%s %s' % (self.chip['vendor'], self.device()) |
142 | ||
143 | def cmd_ann_list(self): | |
144 | x, s = cmds[self.state][0], cmds[self.state][1] | |
145 | return ['Command: %s (%s)' % (s, x), 'Command: %s' % s, | |
146 | 'Cmd: %s' % s, 'Cmd: %s' % x, x] | |
147 | ||
148 | def cmd_vendor_dev_list(self): | |
149 | c, d = cmds[self.state], 'Device = %s' % self.vendor_device() | |
150 | return ['%s (%s): %s' % (c[1], c[0], d), '%s: %s' % (c[1], d), | |
151 | '%s: %s' % (c[0], d), d, self.vendor_device()] | |
152 | ||
153 | def emit_cmd_byte(self): | |
154 | self.ss_cmd = self.ss | |
155 | self.putx([Ann.FIELD, self.cmd_ann_list()]) | |
156 | self.addr = 0 | |
157 | ||
158 | def emit_addr_bytes(self, mosi): | |
159 | self.addr |= (mosi << ((4 - self.cmdstate) * 8)) | |
160 | b = ((3 - (self.cmdstate - 2)) * 8) - 1 | |
161 | self.putx([Ann.BIT, | |
162 | ['Address bits %d..%d: 0x%02x' % (b, b - 7, mosi), | |
163 | 'Addr bits %d..%d: 0x%02x' % (b, b - 7, mosi), | |
164 | 'Addr bits %d..%d' % (b, b - 7), 'A%d..A%d' % (b, b - 7)]]) | |
165 | if self.cmdstate == 2: | |
166 | self.ss_field = self.ss | |
167 | if self.cmdstate == 4: | |
168 | self.es_field = self.es | |
169 | self.putf([Ann.FIELD, ['Address: 0x%06x' % self.addr, | |
170 | 'Addr: 0x%06x' % self.addr, '0x%06x' % self.addr]]) | |
db188228 | 171 | |
9b4d8a57 | 172 | def handle_wren(self, mosi, miso): |
de22de7f | 173 | self.putx([Ann.WREN, self.cmd_ann_list()]) |
4772a846 | 174 | self.state = None |
1b1c914f | 175 | |
b54936a9 UH |
176 | def handle_wrdi(self, mosi, miso): |
177 | pass # TODO | |
178 | ||
9b4d8a57 | 179 | def handle_rdid(self, mosi, miso): |
1b1c914f UH |
180 | if self.cmdstate == 1: |
181 | # Byte 1: Master sends command ID. | |
de22de7f | 182 | self.emit_cmd_byte() |
1b1c914f UH |
183 | elif self.cmdstate == 2: |
184 | # Byte 2: Slave sends the JEDEC manufacturer ID. | |
de22de7f | 185 | self.putx([Ann.FIELD, ['Manufacturer ID: 0x%02x' % miso]]) |
1b1c914f | 186 | elif self.cmdstate == 3: |
de22de7f UH |
187 | # Byte 3: Slave sends the memory type. |
188 | self.putx([Ann.FIELD, ['Memory type: 0x%02x' % miso]]) | |
1b1c914f UH |
189 | elif self.cmdstate == 4: |
190 | # Byte 4: Slave sends the device ID. | |
9b4d8a57 | 191 | self.device_id = miso |
de22de7f | 192 | self.putx([Ann.FIELD, ['Device ID: 0x%02x' % miso]]) |
1b1c914f UH |
193 | |
194 | if self.cmdstate == 4: | |
de22de7f UH |
195 | self.es_cmd = self.es |
196 | self.putc([Ann.RDID, self.cmd_vendor_dev_list()]) | |
4772a846 | 197 | self.state = None |
1b1c914f UH |
198 | else: |
199 | self.cmdstate += 1 | |
200 | ||
b54936a9 UH |
201 | def handle_rdsr(self, mosi, miso): |
202 | # Read status register: Master asserts CS#, sends RDSR command, | |
203 | # reads status register byte. If CS# is kept asserted, the status | |
204 | # register can be read continuously / multiple times in a row. | |
205 | # When done, the master de-asserts CS# again. | |
206 | if self.cmdstate == 1: | |
207 | # Byte 1: Master sends command ID. | |
de22de7f | 208 | self.emit_cmd_byte() |
b54936a9 UH |
209 | elif self.cmdstate >= 2: |
210 | # Bytes 2-x: Slave sends status register as long as master clocks. | |
de22de7f UH |
211 | self.es_cmd = self.es |
212 | self.putx([Ann.BIT, [decode_status_reg(miso)]]) | |
213 | self.putx([Ann.FIELD, ['Status register']]) | |
214 | self.putc([Ann.RDSR, self.cmd_ann_list()]) | |
b54936a9 UH |
215 | self.cmdstate += 1 |
216 | ||
6ccb64fe UH |
217 | def handle_rdsr2(self, mosi, miso): |
218 | # Read status register 2: Master asserts CS#, sends RDSR2 command, | |
219 | # reads status register 2 byte. If CS# is kept asserted, the status | |
220 | # register 2 can be read continuously / multiple times in a row. | |
221 | # When done, the master de-asserts CS# again. | |
222 | if self.cmdstate == 1: | |
223 | # Byte 1: Master sends command ID. | |
de22de7f | 224 | self.emit_cmd_byte() |
6ccb64fe UH |
225 | elif self.cmdstate >= 2: |
226 | # Bytes 2-x: Slave sends status register 2 as long as master clocks. | |
de22de7f UH |
227 | self.es_cmd = self.es |
228 | # TODO: Decode status register 2 correctly. | |
229 | self.putx([Ann.BIT, [decode_status_reg(miso)]]) | |
230 | self.putx([Ann.FIELD, ['Status register 2']]) | |
231 | self.putc([Ann.RDSR2, self.cmd_ann_list()]) | |
6ccb64fe UH |
232 | self.cmdstate += 1 |
233 | ||
b54936a9 | 234 | def handle_wrsr(self, mosi, miso): |
0a89f2ae UH |
235 | # Write status register: Master asserts CS#, sends WRSR command, |
236 | # writes 1 or 2 status register byte(s). | |
237 | # When done, the master de-asserts CS# again. If this doesn't happen | |
238 | # the WRSR command will not be executed. | |
239 | if self.cmdstate == 1: | |
240 | # Byte 1: Master sends command ID. | |
de22de7f UH |
241 | self.emit_cmd_byte() |
242 | elif self.cmdstate == 2: | |
243 | # Byte 2: Master sends status register 1. | |
244 | self.putx([Ann.BIT, [decode_status_reg(miso)]]) | |
245 | self.putx([Ann.FIELD, ['Status register 1']]) | |
246 | elif self.cmdstate == 3: | |
247 | # Byte 3: Master sends status register 2. | |
248 | # TODO: Decode status register 2 correctly. | |
249 | self.putx([Ann.BIT, [decode_status_reg(miso)]]) | |
250 | self.putx([Ann.FIELD, ['Status register 2']]) | |
251 | self.es_cmd = self.es | |
252 | self.putc([Ann.WRSR, self.cmd_ann_list()]) | |
0a89f2ae | 253 | self.cmdstate += 1 |
b54936a9 UH |
254 | |
255 | def handle_read(self, mosi, miso): | |
256 | # Read data bytes: Master asserts CS#, sends READ command, sends | |
257 | # 3-byte address, reads >= 1 data bytes, de-asserts CS#. | |
258 | if self.cmdstate == 1: | |
259 | # Byte 1: Master sends command ID. | |
de22de7f | 260 | self.emit_cmd_byte() |
b54936a9 UH |
261 | elif self.cmdstate in (2, 3, 4): |
262 | # Bytes 2/3/4: Master sends read address (24bits, MSB-first). | |
de22de7f | 263 | self.emit_addr_bytes(mosi) |
b54936a9 UH |
264 | elif self.cmdstate >= 5: |
265 | # Bytes 5-x: Master reads data bytes (until CS# de-asserted). | |
de22de7f | 266 | self.es_field = self.es # Will be overwritten for each byte. |
2c920167 | 267 | if self.cmdstate == 5: |
de22de7f UH |
268 | self.ss_field = self.ss |
269 | self.on_end_transaction = lambda: self.output_data_block('Data', Ann.READ) | |
2c920167 | 270 | self.data.append(miso) |
b54936a9 UH |
271 | self.cmdstate += 1 |
272 | ||
273 | def handle_fast_read(self, mosi, miso): | |
7c139a54 UH |
274 | # Fast read: Master asserts CS#, sends FAST READ command, sends |
275 | # 3-byte address + 1 dummy byte, reads >= 1 data bytes, de-asserts CS#. | |
276 | if self.cmdstate == 1: | |
277 | # Byte 1: Master sends command ID. | |
de22de7f | 278 | self.emit_cmd_byte() |
7c139a54 | 279 | elif self.cmdstate in (2, 3, 4): |
de22de7f UH |
280 | # Bytes 2/3/4: Master sends read address (24bits, MSB-first). |
281 | self.emit_addr_bytes(mosi) | |
7c139a54 | 282 | elif self.cmdstate == 5: |
1be94d3d | 283 | self.putx([Ann.BIT, ['Dummy byte: 0x%02x' % mosi]]) |
7c139a54 UH |
284 | elif self.cmdstate >= 6: |
285 | # Bytes 6-x: Master reads data bytes (until CS# de-asserted). | |
de22de7f | 286 | self.es_field = self.es # Will be overwritten for each byte. |
7c139a54 | 287 | if self.cmdstate == 6: |
de22de7f UH |
288 | self.ss_field = self.ss |
289 | self.on_end_transaction = lambda: self.output_data_block('Data', Ann.FAST_READ) | |
2c920167 | 290 | self.data.append(miso) |
7c139a54 | 291 | self.cmdstate += 1 |
b54936a9 UH |
292 | |
293 | def handle_2read(self, mosi, miso): | |
de22de7f UH |
294 | # 2x I/O read (fast read dual I/O): Master asserts CS#, sends 2READ |
295 | # command, sends 3-byte address + 1 dummy byte, reads >= 1 data bytes, | |
296 | # de-asserts CS#. All data after the command is sent via two I/O pins. | |
10d3c8dc | 297 | # MOSI = SIO0 = even bits, MISO = SIO1 = odd bits. |
de22de7f UH |
298 | if self.cmdstate != 1: |
299 | b1, b2 = decode_dual_bytes(mosi, miso) | |
10d3c8dc AG |
300 | if self.cmdstate == 1: |
301 | # Byte 1: Master sends command ID. | |
de22de7f UH |
302 | self.emit_cmd_byte() |
303 | elif self.cmdstate == 2: | |
304 | # Bytes 2/3(/4): Master sends read address (24bits, MSB-first). | |
305 | # Handle bytes 2 and 3 here. | |
306 | self.emit_addr_bytes(b1) | |
307 | self.cmdstate = 3 | |
308 | self.emit_addr_bytes(b2) | |
309 | elif self.cmdstate == 4: | |
310 | # Byte 5: Dummy byte. Also handle byte 4 (address LSB) here. | |
311 | self.emit_addr_bytes(b1) | |
312 | self.cmdstate = 5 | |
313 | self.putx([Ann.BIT, ['Dummy byte: 0x%02x' % b2]]) | |
314 | elif self.cmdstate >= 6: | |
315 | # Bytes 6-x: Master reads data bytes (until CS# de-asserted). | |
316 | self.es_field = self.es # Will be overwritten for each byte. | |
317 | if self.cmdstate == 6: | |
318 | self.ss_field = self.ss | |
319 | self.on_end_transaction = lambda: self.output_data_block('Data', Ann.READ2X) | |
320 | self.data.append(b1) | |
321 | self.data.append(b2) | |
322 | self.cmdstate += 1 | |
b54936a9 | 323 | |
1b1c914f UH |
324 | # TODO: Warn/abort if we don't see the necessary amount of bytes. |
325 | # TODO: Warn if WREN was not seen before. | |
9b4d8a57 | 326 | def handle_se(self, mosi, miso): |
1b1c914f UH |
327 | if self.cmdstate == 1: |
328 | # Byte 1: Master sends command ID. | |
de22de7f | 329 | self.emit_cmd_byte() |
1b1c914f | 330 | elif self.cmdstate in (2, 3, 4): |
868fd207 | 331 | # Bytes 2/3/4: Master sends sector address (24bits, MSB-first). |
de22de7f | 332 | self.emit_addr_bytes(mosi) |
1b1c914f UH |
333 | |
334 | if self.cmdstate == 4: | |
de22de7f | 335 | self.es_cmd = self.es |
87e574b7 | 336 | d = 'Erase sector %d (0x%06x)' % (self.addr, self.addr) |
de22de7f | 337 | self.putc([Ann.SE, [d]]) |
1b1c914f UH |
338 | # TODO: Max. size depends on chip, check that too if possible. |
339 | if self.addr % 4096 != 0: | |
340 | # Sector addresses must be 4K-aligned (same for all 3 chips). | |
de22de7f | 341 | self.putc([Ann.WARN, ['Warning: Invalid sector address!']]) |
4772a846 | 342 | self.state = None |
1b1c914f UH |
343 | else: |
344 | self.cmdstate += 1 | |
345 | ||
b54936a9 UH |
346 | def handle_be(self, mosi, miso): |
347 | pass # TODO | |
348 | ||
349 | def handle_ce(self, mosi, miso): | |
350 | pass # TODO | |
351 | ||
352 | def handle_ce2(self, mosi, miso): | |
353 | pass # TODO | |
354 | ||
355 | def handle_pp(self, mosi, miso): | |
356 | # Page program: Master asserts CS#, sends PP command, sends 3-byte | |
357 | # page address, sends >= 1 data bytes, de-asserts CS#. | |
358 | if self.cmdstate == 1: | |
359 | # Byte 1: Master sends command ID. | |
de22de7f | 360 | self.emit_cmd_byte() |
b54936a9 UH |
361 | elif self.cmdstate in (2, 3, 4): |
362 | # Bytes 2/3/4: Master sends page address (24bits, MSB-first). | |
de22de7f | 363 | self.emit_addr_bytes(mosi) |
b54936a9 UH |
364 | elif self.cmdstate >= 5: |
365 | # Bytes 5-x: Master sends data bytes (until CS# de-asserted). | |
de22de7f | 366 | self.es_field = self.es # Will be overwritten for each byte. |
2c920167 | 367 | if self.cmdstate == 5: |
de22de7f UH |
368 | self.ss_field = self.ss |
369 | self.on_end_transaction = lambda: self.output_data_block('Data', Ann.PP) | |
2c920167 | 370 | self.data.append(mosi) |
b54936a9 UH |
371 | self.cmdstate += 1 |
372 | ||
373 | def handle_cp(self, mosi, miso): | |
374 | pass # TODO | |
375 | ||
376 | def handle_dp(self, mosi, miso): | |
377 | pass # TODO | |
378 | ||
379 | def handle_rdp_res(self, mosi, miso): | |
e33410d3 UH |
380 | if self.cmdstate == 1: |
381 | # Byte 1: Master sends command ID. | |
de22de7f | 382 | self.emit_cmd_byte() |
e33410d3 UH |
383 | elif self.cmdstate in (2, 3, 4): |
384 | # Bytes 2/3/4: Master sends three dummy bytes. | |
de22de7f | 385 | self.putx([Ann.FIELD, ['Dummy byte: %02x' % mosi]]) |
e33410d3 UH |
386 | elif self.cmdstate == 5: |
387 | # Byte 5: Slave sends device ID. | |
de22de7f | 388 | self.es_cmd = self.es |
db188228 | 389 | self.device_id = miso |
de22de7f UH |
390 | self.putx([Ann.FIELD, ['Device ID: %s' % self.device()]]) |
391 | d = 'Device = %s' % self.vendor_device() | |
392 | self.putc([Ann.RDP_RES, self.cmd_vendor_dev_list()]) | |
e33410d3 | 393 | self.state = None |
e33410d3 | 394 | self.cmdstate += 1 |
b54936a9 | 395 | |
9b4d8a57 | 396 | def handle_rems(self, mosi, miso): |
1b1c914f UH |
397 | if self.cmdstate == 1: |
398 | # Byte 1: Master sends command ID. | |
de22de7f | 399 | self.emit_cmd_byte() |
1b1c914f UH |
400 | elif self.cmdstate in (2, 3): |
401 | # Bytes 2/3: Master sends two dummy bytes. | |
de22de7f | 402 | self.putx([Ann.FIELD, ['Dummy byte: 0x%02x' % mosi]]) |
1b1c914f UH |
403 | elif self.cmdstate == 4: |
404 | # Byte 4: Master sends 0x00 or 0x01. | |
405 | # 0x00: Master wants manufacturer ID as first reply byte. | |
406 | # 0x01: Master wants device ID as first reply byte. | |
9b4d8a57 UH |
407 | self.manufacturer_id_first = True if (mosi == 0x00) else False |
408 | d = 'manufacturer' if (mosi == 0x00) else 'device' | |
de22de7f | 409 | self.putx([Ann.FIELD, ['Master wants %s ID first' % d]]) |
1b1c914f UH |
410 | elif self.cmdstate == 5: |
411 | # Byte 5: Slave sends manufacturer ID (or device ID). | |
9b4d8a57 UH |
412 | self.ids = [miso] |
413 | d = 'Manufacturer' if self.manufacturer_id_first else 'Device' | |
de22de7f | 414 | self.putx([Ann.FIELD, ['%s ID: 0x%02x' % (d, miso)]]) |
9b4d8a57 | 415 | elif self.cmdstate == 6: |
1b1c914f | 416 | # Byte 6: Slave sends device ID (or manufacturer ID). |
7f7ea759 | 417 | self.ids.append(miso) |
de22de7f UH |
418 | d = 'Device' if self.manufacturer_id_first else 'Manufacturer' |
419 | self.putx([Ann.FIELD, ['%s ID: 0x%02x' % (d, miso)]]) | |
1b1c914f UH |
420 | |
421 | if self.cmdstate == 6: | |
1b1c914f | 422 | id = self.ids[1] if self.manufacturer_id_first else self.ids[0] |
db188228 | 423 | self.device_id = id |
de22de7f UH |
424 | self.es_cmd = self.es |
425 | self.putc([Ann.REMS, self.cmd_vendor_dev_list()]) | |
4772a846 | 426 | self.state = None |
1b1c914f UH |
427 | else: |
428 | self.cmdstate += 1 | |
429 | ||
b54936a9 UH |
430 | def handle_rems2(self, mosi, miso): |
431 | pass # TODO | |
e4022299 | 432 | |
b54936a9 UH |
433 | def handle_enso(self, mosi, miso): |
434 | pass # TODO | |
e4022299 | 435 | |
b54936a9 UH |
436 | def handle_exso(self, mosi, miso): |
437 | pass # TODO | |
e4022299 | 438 | |
b54936a9 UH |
439 | def handle_rdscur(self, mosi, miso): |
440 | pass # TODO | |
e4022299 | 441 | |
b54936a9 UH |
442 | def handle_wrscur(self, mosi, miso): |
443 | pass # TODO | |
e4022299 | 444 | |
b54936a9 UH |
445 | def handle_esry(self, mosi, miso): |
446 | pass # TODO | |
1b1c914f | 447 | |
b54936a9 UH |
448 | def handle_dsry(self, mosi, miso): |
449 | pass # TODO | |
5ebb76fe | 450 | |
de22de7f | 451 | def output_data_block(self, label, idx): |
2c920167 AG |
452 | # Print accumulated block of data |
453 | # (called on CS# de-assert via self.on_end_transaction callback). | |
de22de7f | 454 | self.es_cmd = self.es # End on the CS# de-assert sample. |
b33a73bc UH |
455 | if self.options['format'] == 'hex': |
456 | s = ' '.join([('%02x' % b) for b in self.data]) | |
457 | else: | |
458 | s = ''.join(map(chr, self.data)) | |
de22de7f UH |
459 | self.putf([Ann.FIELD, ['%s (%d bytes)' % (label, len(self.data))]]) |
460 | self.putc([idx, ['%s (addr 0x%06x, %d bytes): %s' % \ | |
461 | (cmds[self.state][1], self.addr, len(self.data), s)]]) | |
1b1c914f | 462 | |
2c920167 | 463 | def decode(self, ss, es, data): |
9b4d8a57 | 464 | ptype, mosi, miso = data |
1b1c914f | 465 | |
2c920167 | 466 | self.ss, self.es = ss, es |
e4022299 | 467 | |
2c920167 AG |
468 | if ptype == 'CS-CHANGE': |
469 | self.end_current_transaction() | |
e4022299 | 470 | |
3e3c0330 | 471 | if ptype != 'DATA': |
9b4d8a57 | 472 | return |
1b1c914f | 473 | |
9b4d8a57 | 474 | # If we encountered a known chip command, enter the resp. state. |
35b380b1 | 475 | if self.state is None: |
781ef945 UH |
476 | self.state = mosi |
477 | self.cmdstate = 1 | |
1b1c914f | 478 | |
9b4d8a57 | 479 | # Handle commands. |
1ec9c5e2 AG |
480 | try: |
481 | self.cmd_handlers[self.state](mosi, miso) | |
482 | except KeyError: | |
1be94d3d | 483 | self.putx([Ann.BIT, ['Unknown command: 0x%02x' % mosi]]) |
4772a846 | 484 | self.state = None |