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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 | |
17 | ## along with this program; if not, write to the Free Software | |
18 | ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | ## | |
20 | ||
677d597b | 21 | import sigrokdecode as srd |
c2446117 | 22 | from .lists import * |
1b1c914f | 23 | |
1be94d3d UH |
24 | L = len(cmds) |
25 | ||
26 | # Don't forget to keep this in sync with 'cmds' is lists.py. | |
27 | class Ann: | |
28 | WRSR, PP, READ, WRDI, RDSR, WREN, FAST_READ, SE, RDSCUR, WRSCUR, \ | |
29 | RDSR2, CE, ESRY, DSRY, REMS, RDID, RDP_RES, CP, ENSO, DP, READ2X, \ | |
30 | EXSO, CE2, BE, REMS2, \ | |
31 | BIT, FIELD, WARN = range(L + 3) | |
32 | ||
9389f2c1 | 33 | def cmd_annotation_classes(): |
da9bcbd9 | 34 | return tuple([tuple([cmd[0].lower(), cmd[1]]) for cmd in cmds.values()]) |
9389f2c1 | 35 | |
10d3c8dc AG |
36 | def decode_dual_bytes(sio0, sio1): |
37 | # Given a byte in SIO0 (MOSI) of even bits and a byte in | |
38 | # SIO1 (MISO) of odd bits, return a tuple of two bytes. | |
39 | def combine_byte(even, odd): | |
40 | result = 0 | |
41 | for bit in range(4): | |
42 | if even & (1 << bit): | |
43 | result |= 1 << (bit*2) | |
44 | if odd & (1 << bit): | |
45 | result |= 1 << ((bit*2) + 1) | |
46 | return result | |
47 | return (combine_byte(sio0 >> 4, sio1 >> 4), combine_byte(sio0, sio1)) | |
48 | ||
7cfbf663 UH |
49 | def decode_status_reg(data): |
50 | # TODO: Additional per-bit(s) self.put() calls with correct start/end. | |
51 | ||
52 | # Bits[0:0]: WIP (write in progress) | |
53 | s = 'W' if (data & (1 << 0)) else 'No w' | |
54 | ret = '%srite operation in progress.\n' % s | |
55 | ||
56 | # Bits[1:1]: WEL (write enable latch) | |
57 | s = '' if (data & (1 << 1)) else 'not ' | |
58 | ret += 'Internal write enable latch is %sset.\n' % s | |
59 | ||
60 | # Bits[5:2]: Block protect bits | |
61 | # TODO: More detailed decoding (chip-dependent). | |
62 | ret += 'Block protection bits (BP3-BP0): 0x%x.\n' % ((data & 0x3c) >> 2) | |
63 | ||
64 | # Bits[6:6]: Continuously program mode (CP mode) | |
65 | s = '' if (data & (1 << 6)) else 'not ' | |
66 | ret += 'Device is %sin continuously program mode (CP mode).\n' % s | |
67 | ||
68 | # Bits[7:7]: SRWD (status register write disable) | |
cd287c56 | 69 | s = 'not ' if (data & (1 << 7)) else '' |
7cfbf663 UH |
70 | ret += 'Status register writes are %sallowed.\n' % s |
71 | ||
72 | return ret | |
73 | ||
677d597b | 74 | class Decoder(srd.Decoder): |
12851357 | 75 | api_version = 2 |
3ca1f1b3 UH |
76 | id = 'spiflash' |
77 | name = 'SPI flash' | |
78 | longname = 'SPI flash chips' | |
79 | desc = 'xx25 series SPI (NOR) flash chip protocol.' | |
1b1c914f | 80 | license = 'gplv2+' |
a1497fa3 | 81 | inputs = ['spi'] |
3ca1f1b3 | 82 | outputs = ['spiflash'] |
da9bcbd9 | 83 | annotations = cmd_annotation_classes() + ( |
1be94d3d UH |
84 | ('bit', 'Bit'), |
85 | ('field', 'Field'), | |
86 | ('warning', 'Warning'), | |
da9bcbd9 | 87 | ) |
9ed42038 | 88 | annotation_rows = ( |
1be94d3d UH |
89 | ('bits', 'Bits', (L + 0,)), |
90 | ('fields', 'Fields', (L + 1,)), | |
91 | ('commands', 'Commands', tuple(range(len(cmds)))), | |
92 | ('warnings', 'Warnings', (L + 2,)), | |
9ed42038 | 93 | ) |
c2446117 UH |
94 | options = ( |
95 | {'id': 'chip', 'desc': 'Chip', 'default': tuple(chips.keys())[0], | |
96 | 'values': tuple(chips.keys())}, | |
b33a73bc UH |
97 | {'id': 'format', 'desc': 'Data format', 'default': 'hex', |
98 | 'values': ('hex', 'ascii')}, | |
c2446117 | 99 | ) |
1b1c914f | 100 | |
92b7b49f | 101 | def __init__(self): |
db188228 | 102 | self.device_id = -1 |
2c920167 AG |
103 | self.on_end_transaction = None |
104 | self.end_current_transaction() | |
105 | ||
1ec9c5e2 AG |
106 | # Build dict mapping command keys to handler functions. Each |
107 | # command in 'cmds' (defined in lists.py) has a matching | |
108 | # handler self.handle_<shortname>. | |
109 | def get_handler(cmd): | |
110 | s = 'handle_%s' % cmds[cmd][0].lower().replace('/', '_') | |
111 | return getattr(self, s) | |
112 | self.cmd_handlers = dict((cmd, get_handler(cmd)) for cmd in cmds.keys()) | |
113 | ||
2c920167 AG |
114 | def end_current_transaction(self): |
115 | if self.on_end_transaction is not None: # Callback for CS# transition. | |
116 | self.on_end_transaction() | |
117 | self.on_end_transaction = None | |
4772a846 | 118 | self.state = None |
781ef945 | 119 | self.cmdstate = 1 |
e4022299 UH |
120 | self.addr = 0 |
121 | self.data = [] | |
1b1c914f | 122 | |
8915b346 | 123 | def start(self): |
be465111 | 124 | self.out_ann = self.register(srd.OUTPUT_ANN) |
c2446117 | 125 | self.chip = chips[self.options['chip']] |
db188228 | 126 | self.vendor = self.options['chip'].split('_')[0] |
1b1c914f | 127 | |
385508e9 | 128 | def putx(self, data): |
ee3e279c | 129 | # Simplification, most annotations span exactly one SPI byte/packet. |
9b4d8a57 UH |
130 | self.put(self.ss, self.es, self.out_ann, data) |
131 | ||
de22de7f UH |
132 | def putf(self, data): |
133 | self.put(self.ss_field, self.es_field, self.out_ann, data) | |
134 | ||
135 | def putc(self, data): | |
136 | self.put(self.ss_cmd, self.es_cmd, self.out_ann, data) | |
137 | ||
138 | def device(self): | |
139 | return device_name[self.vendor].get(self.device_id, 'Unknown') | |
7c139a54 | 140 | |
db188228 | 141 | def vendor_device(self): |
de22de7f UH |
142 | return '%s %s' % (self.chip['vendor'], self.device()) |
143 | ||
144 | def cmd_ann_list(self): | |
145 | x, s = cmds[self.state][0], cmds[self.state][1] | |
146 | return ['Command: %s (%s)' % (s, x), 'Command: %s' % s, | |
147 | 'Cmd: %s' % s, 'Cmd: %s' % x, x] | |
148 | ||
149 | def cmd_vendor_dev_list(self): | |
150 | c, d = cmds[self.state], 'Device = %s' % self.vendor_device() | |
151 | return ['%s (%s): %s' % (c[1], c[0], d), '%s: %s' % (c[1], d), | |
152 | '%s: %s' % (c[0], d), d, self.vendor_device()] | |
153 | ||
154 | def emit_cmd_byte(self): | |
155 | self.ss_cmd = self.ss | |
156 | self.putx([Ann.FIELD, self.cmd_ann_list()]) | |
157 | self.addr = 0 | |
158 | ||
159 | def emit_addr_bytes(self, mosi): | |
160 | self.addr |= (mosi << ((4 - self.cmdstate) * 8)) | |
161 | b = ((3 - (self.cmdstate - 2)) * 8) - 1 | |
162 | self.putx([Ann.BIT, | |
163 | ['Address bits %d..%d: 0x%02x' % (b, b - 7, mosi), | |
164 | 'Addr bits %d..%d: 0x%02x' % (b, b - 7, mosi), | |
165 | 'Addr bits %d..%d' % (b, b - 7), 'A%d..A%d' % (b, b - 7)]]) | |
166 | if self.cmdstate == 2: | |
167 | self.ss_field = self.ss | |
168 | if self.cmdstate == 4: | |
169 | self.es_field = self.es | |
170 | self.putf([Ann.FIELD, ['Address: 0x%06x' % self.addr, | |
171 | 'Addr: 0x%06x' % self.addr, '0x%06x' % self.addr]]) | |
db188228 | 172 | |
9b4d8a57 | 173 | def handle_wren(self, mosi, miso): |
de22de7f | 174 | self.putx([Ann.WREN, self.cmd_ann_list()]) |
4772a846 | 175 | self.state = None |
1b1c914f | 176 | |
b54936a9 UH |
177 | def handle_wrdi(self, mosi, miso): |
178 | pass # TODO | |
179 | ||
9b4d8a57 | 180 | def handle_rdid(self, mosi, miso): |
1b1c914f UH |
181 | if self.cmdstate == 1: |
182 | # Byte 1: Master sends command ID. | |
de22de7f | 183 | self.emit_cmd_byte() |
1b1c914f UH |
184 | elif self.cmdstate == 2: |
185 | # Byte 2: Slave sends the JEDEC manufacturer ID. | |
de22de7f | 186 | self.putx([Ann.FIELD, ['Manufacturer ID: 0x%02x' % miso]]) |
1b1c914f | 187 | elif self.cmdstate == 3: |
de22de7f UH |
188 | # Byte 3: Slave sends the memory type. |
189 | self.putx([Ann.FIELD, ['Memory type: 0x%02x' % miso]]) | |
1b1c914f UH |
190 | elif self.cmdstate == 4: |
191 | # Byte 4: Slave sends the device ID. | |
9b4d8a57 | 192 | self.device_id = miso |
de22de7f | 193 | self.putx([Ann.FIELD, ['Device ID: 0x%02x' % miso]]) |
1b1c914f UH |
194 | |
195 | if self.cmdstate == 4: | |
de22de7f UH |
196 | self.es_cmd = self.es |
197 | self.putc([Ann.RDID, self.cmd_vendor_dev_list()]) | |
4772a846 | 198 | self.state = None |
1b1c914f UH |
199 | else: |
200 | self.cmdstate += 1 | |
201 | ||
b54936a9 UH |
202 | def handle_rdsr(self, mosi, miso): |
203 | # Read status register: Master asserts CS#, sends RDSR command, | |
204 | # reads status register byte. If CS# is kept asserted, the status | |
205 | # register can be read continuously / multiple times in a row. | |
206 | # When done, the master de-asserts CS# again. | |
207 | if self.cmdstate == 1: | |
208 | # Byte 1: Master sends command ID. | |
de22de7f | 209 | self.emit_cmd_byte() |
b54936a9 UH |
210 | elif self.cmdstate >= 2: |
211 | # Bytes 2-x: Slave sends status register as long as master clocks. | |
de22de7f UH |
212 | self.es_cmd = self.es |
213 | self.putx([Ann.BIT, [decode_status_reg(miso)]]) | |
214 | self.putx([Ann.FIELD, ['Status register']]) | |
215 | self.putc([Ann.RDSR, self.cmd_ann_list()]) | |
b54936a9 UH |
216 | self.cmdstate += 1 |
217 | ||
6ccb64fe UH |
218 | def handle_rdsr2(self, mosi, miso): |
219 | # Read status register 2: Master asserts CS#, sends RDSR2 command, | |
220 | # reads status register 2 byte. If CS# is kept asserted, the status | |
221 | # register 2 can be read continuously / multiple times in a row. | |
222 | # When done, the master de-asserts CS# again. | |
223 | if self.cmdstate == 1: | |
224 | # Byte 1: Master sends command ID. | |
de22de7f | 225 | self.emit_cmd_byte() |
6ccb64fe UH |
226 | elif self.cmdstate >= 2: |
227 | # Bytes 2-x: Slave sends status register 2 as long as master clocks. | |
de22de7f UH |
228 | self.es_cmd = self.es |
229 | # TODO: Decode status register 2 correctly. | |
230 | self.putx([Ann.BIT, [decode_status_reg(miso)]]) | |
231 | self.putx([Ann.FIELD, ['Status register 2']]) | |
232 | self.putc([Ann.RDSR2, self.cmd_ann_list()]) | |
6ccb64fe UH |
233 | self.cmdstate += 1 |
234 | ||
b54936a9 | 235 | def handle_wrsr(self, mosi, miso): |
0a89f2ae UH |
236 | # Write status register: Master asserts CS#, sends WRSR command, |
237 | # writes 1 or 2 status register byte(s). | |
238 | # When done, the master de-asserts CS# again. If this doesn't happen | |
239 | # the WRSR command will not be executed. | |
240 | if self.cmdstate == 1: | |
241 | # Byte 1: Master sends command ID. | |
de22de7f UH |
242 | self.emit_cmd_byte() |
243 | elif self.cmdstate == 2: | |
244 | # Byte 2: Master sends status register 1. | |
245 | self.putx([Ann.BIT, [decode_status_reg(miso)]]) | |
246 | self.putx([Ann.FIELD, ['Status register 1']]) | |
247 | elif self.cmdstate == 3: | |
248 | # Byte 3: Master sends status register 2. | |
249 | # TODO: Decode status register 2 correctly. | |
250 | self.putx([Ann.BIT, [decode_status_reg(miso)]]) | |
251 | self.putx([Ann.FIELD, ['Status register 2']]) | |
252 | self.es_cmd = self.es | |
253 | self.putc([Ann.WRSR, self.cmd_ann_list()]) | |
0a89f2ae | 254 | self.cmdstate += 1 |
b54936a9 UH |
255 | |
256 | def handle_read(self, mosi, miso): | |
257 | # Read data bytes: Master asserts CS#, sends READ command, sends | |
258 | # 3-byte address, reads >= 1 data bytes, de-asserts CS#. | |
259 | if self.cmdstate == 1: | |
260 | # Byte 1: Master sends command ID. | |
de22de7f | 261 | self.emit_cmd_byte() |
b54936a9 UH |
262 | elif self.cmdstate in (2, 3, 4): |
263 | # Bytes 2/3/4: Master sends read address (24bits, MSB-first). | |
de22de7f | 264 | self.emit_addr_bytes(mosi) |
b54936a9 UH |
265 | elif self.cmdstate >= 5: |
266 | # Bytes 5-x: Master reads data bytes (until CS# de-asserted). | |
de22de7f | 267 | self.es_field = self.es # Will be overwritten for each byte. |
2c920167 | 268 | if self.cmdstate == 5: |
de22de7f UH |
269 | self.ss_field = self.ss |
270 | self.on_end_transaction = lambda: self.output_data_block('Data', Ann.READ) | |
2c920167 | 271 | self.data.append(miso) |
b54936a9 UH |
272 | self.cmdstate += 1 |
273 | ||
274 | def handle_fast_read(self, mosi, miso): | |
7c139a54 UH |
275 | # Fast read: Master asserts CS#, sends FAST READ command, sends |
276 | # 3-byte address + 1 dummy byte, reads >= 1 data bytes, de-asserts CS#. | |
277 | if self.cmdstate == 1: | |
278 | # Byte 1: Master sends command ID. | |
de22de7f | 279 | self.emit_cmd_byte() |
7c139a54 | 280 | elif self.cmdstate in (2, 3, 4): |
de22de7f UH |
281 | # Bytes 2/3/4: Master sends read address (24bits, MSB-first). |
282 | self.emit_addr_bytes(mosi) | |
7c139a54 | 283 | elif self.cmdstate == 5: |
1be94d3d | 284 | self.putx([Ann.BIT, ['Dummy byte: 0x%02x' % mosi]]) |
7c139a54 UH |
285 | elif self.cmdstate >= 6: |
286 | # Bytes 6-x: Master reads data bytes (until CS# de-asserted). | |
de22de7f | 287 | self.es_field = self.es # Will be overwritten for each byte. |
7c139a54 | 288 | if self.cmdstate == 6: |
de22de7f UH |
289 | self.ss_field = self.ss |
290 | self.on_end_transaction = lambda: self.output_data_block('Data', Ann.FAST_READ) | |
2c920167 | 291 | self.data.append(miso) |
7c139a54 | 292 | self.cmdstate += 1 |
b54936a9 UH |
293 | |
294 | def handle_2read(self, mosi, miso): | |
de22de7f UH |
295 | # 2x I/O read (fast read dual I/O): Master asserts CS#, sends 2READ |
296 | # command, sends 3-byte address + 1 dummy byte, reads >= 1 data bytes, | |
297 | # de-asserts CS#. All data after the command is sent via two I/O pins. | |
10d3c8dc | 298 | # MOSI = SIO0 = even bits, MISO = SIO1 = odd bits. |
de22de7f UH |
299 | if self.cmdstate != 1: |
300 | b1, b2 = decode_dual_bytes(mosi, miso) | |
10d3c8dc AG |
301 | if self.cmdstate == 1: |
302 | # Byte 1: Master sends command ID. | |
de22de7f UH |
303 | self.emit_cmd_byte() |
304 | elif self.cmdstate == 2: | |
305 | # Bytes 2/3(/4): Master sends read address (24bits, MSB-first). | |
306 | # Handle bytes 2 and 3 here. | |
307 | self.emit_addr_bytes(b1) | |
308 | self.cmdstate = 3 | |
309 | self.emit_addr_bytes(b2) | |
310 | elif self.cmdstate == 4: | |
311 | # Byte 5: Dummy byte. Also handle byte 4 (address LSB) here. | |
312 | self.emit_addr_bytes(b1) | |
313 | self.cmdstate = 5 | |
314 | self.putx([Ann.BIT, ['Dummy byte: 0x%02x' % b2]]) | |
315 | elif self.cmdstate >= 6: | |
316 | # Bytes 6-x: Master reads data bytes (until CS# de-asserted). | |
317 | self.es_field = self.es # Will be overwritten for each byte. | |
318 | if self.cmdstate == 6: | |
319 | self.ss_field = self.ss | |
320 | self.on_end_transaction = lambda: self.output_data_block('Data', Ann.READ2X) | |
321 | self.data.append(b1) | |
322 | self.data.append(b2) | |
323 | self.cmdstate += 1 | |
b54936a9 | 324 | |
1b1c914f UH |
325 | # TODO: Warn/abort if we don't see the necessary amount of bytes. |
326 | # TODO: Warn if WREN was not seen before. | |
9b4d8a57 | 327 | def handle_se(self, mosi, miso): |
1b1c914f UH |
328 | if self.cmdstate == 1: |
329 | # Byte 1: Master sends command ID. | |
de22de7f | 330 | self.emit_cmd_byte() |
1b1c914f | 331 | elif self.cmdstate in (2, 3, 4): |
868fd207 | 332 | # Bytes 2/3/4: Master sends sector address (24bits, MSB-first). |
de22de7f | 333 | self.emit_addr_bytes(mosi) |
1b1c914f UH |
334 | |
335 | if self.cmdstate == 4: | |
de22de7f | 336 | self.es_cmd = self.es |
87e574b7 | 337 | d = 'Erase sector %d (0x%06x)' % (self.addr, self.addr) |
de22de7f | 338 | self.putc([Ann.SE, [d]]) |
1b1c914f UH |
339 | # TODO: Max. size depends on chip, check that too if possible. |
340 | if self.addr % 4096 != 0: | |
341 | # Sector addresses must be 4K-aligned (same for all 3 chips). | |
de22de7f | 342 | self.putc([Ann.WARN, ['Warning: Invalid sector address!']]) |
4772a846 | 343 | self.state = None |
1b1c914f UH |
344 | else: |
345 | self.cmdstate += 1 | |
346 | ||
b54936a9 UH |
347 | def handle_be(self, mosi, miso): |
348 | pass # TODO | |
349 | ||
350 | def handle_ce(self, mosi, miso): | |
351 | pass # TODO | |
352 | ||
353 | def handle_ce2(self, mosi, miso): | |
354 | pass # TODO | |
355 | ||
356 | def handle_pp(self, mosi, miso): | |
357 | # Page program: Master asserts CS#, sends PP command, sends 3-byte | |
358 | # page address, sends >= 1 data bytes, de-asserts CS#. | |
359 | if self.cmdstate == 1: | |
360 | # Byte 1: Master sends command ID. | |
de22de7f | 361 | self.emit_cmd_byte() |
b54936a9 UH |
362 | elif self.cmdstate in (2, 3, 4): |
363 | # Bytes 2/3/4: Master sends page address (24bits, MSB-first). | |
de22de7f | 364 | self.emit_addr_bytes(mosi) |
b54936a9 UH |
365 | elif self.cmdstate >= 5: |
366 | # Bytes 5-x: Master sends data bytes (until CS# de-asserted). | |
de22de7f | 367 | self.es_field = self.es # Will be overwritten for each byte. |
2c920167 | 368 | if self.cmdstate == 5: |
de22de7f UH |
369 | self.ss_field = self.ss |
370 | self.on_end_transaction = lambda: self.output_data_block('Data', Ann.PP) | |
2c920167 | 371 | self.data.append(mosi) |
b54936a9 UH |
372 | self.cmdstate += 1 |
373 | ||
374 | def handle_cp(self, mosi, miso): | |
375 | pass # TODO | |
376 | ||
377 | def handle_dp(self, mosi, miso): | |
378 | pass # TODO | |
379 | ||
380 | def handle_rdp_res(self, mosi, miso): | |
e33410d3 UH |
381 | if self.cmdstate == 1: |
382 | # Byte 1: Master sends command ID. | |
de22de7f | 383 | self.emit_cmd_byte() |
e33410d3 UH |
384 | elif self.cmdstate in (2, 3, 4): |
385 | # Bytes 2/3/4: Master sends three dummy bytes. | |
de22de7f | 386 | self.putx([Ann.FIELD, ['Dummy byte: %02x' % mosi]]) |
e33410d3 UH |
387 | elif self.cmdstate == 5: |
388 | # Byte 5: Slave sends device ID. | |
de22de7f | 389 | self.es_cmd = self.es |
db188228 | 390 | self.device_id = miso |
de22de7f UH |
391 | self.putx([Ann.FIELD, ['Device ID: %s' % self.device()]]) |
392 | d = 'Device = %s' % self.vendor_device() | |
393 | self.putc([Ann.RDP_RES, self.cmd_vendor_dev_list()]) | |
e33410d3 | 394 | self.state = None |
e33410d3 | 395 | self.cmdstate += 1 |
b54936a9 | 396 | |
9b4d8a57 | 397 | def handle_rems(self, mosi, miso): |
1b1c914f UH |
398 | if self.cmdstate == 1: |
399 | # Byte 1: Master sends command ID. | |
de22de7f | 400 | self.emit_cmd_byte() |
1b1c914f UH |
401 | elif self.cmdstate in (2, 3): |
402 | # Bytes 2/3: Master sends two dummy bytes. | |
de22de7f | 403 | self.putx([Ann.FIELD, ['Dummy byte: 0x%02x' % mosi]]) |
1b1c914f UH |
404 | elif self.cmdstate == 4: |
405 | # Byte 4: Master sends 0x00 or 0x01. | |
406 | # 0x00: Master wants manufacturer ID as first reply byte. | |
407 | # 0x01: Master wants device ID as first reply byte. | |
9b4d8a57 UH |
408 | self.manufacturer_id_first = True if (mosi == 0x00) else False |
409 | d = 'manufacturer' if (mosi == 0x00) else 'device' | |
de22de7f | 410 | self.putx([Ann.FIELD, ['Master wants %s ID first' % d]]) |
1b1c914f UH |
411 | elif self.cmdstate == 5: |
412 | # Byte 5: Slave sends manufacturer ID (or device ID). | |
9b4d8a57 UH |
413 | self.ids = [miso] |
414 | d = 'Manufacturer' if self.manufacturer_id_first else 'Device' | |
de22de7f | 415 | self.putx([Ann.FIELD, ['%s ID: 0x%02x' % (d, miso)]]) |
9b4d8a57 | 416 | elif self.cmdstate == 6: |
1b1c914f | 417 | # Byte 6: Slave sends device ID (or manufacturer ID). |
7f7ea759 | 418 | self.ids.append(miso) |
de22de7f UH |
419 | d = 'Device' if self.manufacturer_id_first else 'Manufacturer' |
420 | self.putx([Ann.FIELD, ['%s ID: 0x%02x' % (d, miso)]]) | |
1b1c914f UH |
421 | |
422 | if self.cmdstate == 6: | |
1b1c914f | 423 | id = self.ids[1] if self.manufacturer_id_first else self.ids[0] |
db188228 | 424 | self.device_id = id |
de22de7f UH |
425 | self.es_cmd = self.es |
426 | self.putc([Ann.REMS, self.cmd_vendor_dev_list()]) | |
4772a846 | 427 | self.state = None |
1b1c914f UH |
428 | else: |
429 | self.cmdstate += 1 | |
430 | ||
b54936a9 UH |
431 | def handle_rems2(self, mosi, miso): |
432 | pass # TODO | |
e4022299 | 433 | |
b54936a9 UH |
434 | def handle_enso(self, mosi, miso): |
435 | pass # TODO | |
e4022299 | 436 | |
b54936a9 UH |
437 | def handle_exso(self, mosi, miso): |
438 | pass # TODO | |
e4022299 | 439 | |
b54936a9 UH |
440 | def handle_rdscur(self, mosi, miso): |
441 | pass # TODO | |
e4022299 | 442 | |
b54936a9 UH |
443 | def handle_wrscur(self, mosi, miso): |
444 | pass # TODO | |
e4022299 | 445 | |
b54936a9 UH |
446 | def handle_esry(self, mosi, miso): |
447 | pass # TODO | |
1b1c914f | 448 | |
b54936a9 UH |
449 | def handle_dsry(self, mosi, miso): |
450 | pass # TODO | |
5ebb76fe | 451 | |
de22de7f | 452 | def output_data_block(self, label, idx): |
2c920167 AG |
453 | # Print accumulated block of data |
454 | # (called on CS# de-assert via self.on_end_transaction callback). | |
de22de7f | 455 | self.es_cmd = self.es # End on the CS# de-assert sample. |
b33a73bc UH |
456 | if self.options['format'] == 'hex': |
457 | s = ' '.join([('%02x' % b) for b in self.data]) | |
458 | else: | |
459 | s = ''.join(map(chr, self.data)) | |
de22de7f UH |
460 | self.putf([Ann.FIELD, ['%s (%d bytes)' % (label, len(self.data))]]) |
461 | self.putc([idx, ['%s (addr 0x%06x, %d bytes): %s' % \ | |
462 | (cmds[self.state][1], self.addr, len(self.data), s)]]) | |
1b1c914f | 463 | |
2c920167 | 464 | def decode(self, ss, es, data): |
9b4d8a57 | 465 | ptype, mosi, miso = data |
1b1c914f | 466 | |
2c920167 | 467 | self.ss, self.es = ss, es |
e4022299 | 468 | |
2c920167 AG |
469 | if ptype == 'CS-CHANGE': |
470 | self.end_current_transaction() | |
e4022299 | 471 | |
3e3c0330 | 472 | if ptype != 'DATA': |
9b4d8a57 | 473 | return |
1b1c914f | 474 | |
9b4d8a57 | 475 | # If we encountered a known chip command, enter the resp. state. |
35b380b1 | 476 | if self.state is None: |
781ef945 UH |
477 | self.state = mosi |
478 | self.cmdstate = 1 | |
1b1c914f | 479 | |
9b4d8a57 | 480 | # Handle commands. |
1ec9c5e2 AG |
481 | try: |
482 | self.cmd_handlers[self.state](mosi, miso) | |
483 | except KeyError: | |
1be94d3d | 484 | self.putx([Ann.BIT, ['Unknown command: 0x%02x' % mosi]]) |
4772a846 | 485 | self.state = None |