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
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
|
/*
* EspFirmwareUpload.cpp
*
* Created on: 15 Apr 2016
* Author: David
*/
#include "WifiFirmwareUploader.h"
#include "RepRapFirmware.h"
// ESP8266 command codes
const uint8_t ESP_FLASH_BEGIN = 0x02;
const uint8_t ESP_FLASH_DATA = 0x03;
const uint8_t ESP_FLASH_END = 0x04;
const uint8_t ESP_MEM_BEGIN = 0x05;
const uint8_t ESP_MEM_END = 0x06;
const uint8_t ESP_MEM_DATA = 0x07;
const uint8_t ESP_SYNC = 0x08;
const uint8_t ESP_WRITE_REG = 0x09;
const uint8_t ESP_READ_REG = 0x0a;
// MAC address storage locations
const uint32_t ESP_OTP_MAC0 = 0x3ff00050;
const uint32_t ESP_OTP_MAC1 = 0x3ff00054;
const uint32_t ESP_OTP_MAC2 = 0x3ff00058;
const uint32_t ESP_OTP_MAC3 = 0x3ff0005c;
const size_t EspFlashBlockSize = 0x0400; // 1K byte blocks
const uint8_t ESP_IMAGE_MAGIC = 0xe9;
const uint8_t ESP_CHECKSUM_MAGIC = 0xef;
const uint32_t ESP_ERASE_CHIP_ADDR = 0x40004984; // &SPIEraseChip
const uint32_t ESP_SEND_PACKET_ADDR = 0x40003c80; // &send_packet
const uint32_t ESP_SPI_READ_ADDR = 0x40004b1c; // &SPIRead
const uint32_t ESP_UNKNOWN_ADDR = 0x40001121; // not used
const uint32_t ESP_USER_DATA_RAM_ADDR = 0x3ffe8000; // &user data ram
const uint32_t ESP_IRAM_ADDR = 0x40100000; // instruction RAM
const uint32_t ESP_FLASH_ADDR = 0x40200000; // address of start of Flash
const uint32_t ESP_FLASH_READ_STUB_BEGIN = IRAM_ADDR + 0x18;
// Messages corresponding to result codes, should make sense when followed by " error"
const char *resultMessages[] =
{
"no",
"timeout",
"comm write",
"connect",
"bad reply",
"file read",
"empty file",
"response header",
"slip frame",
"slip state",
"slip data"
};
// A note on baud rates.
// The ESP8266 supports 921600, 460800, 230400, 115200, 74880 and some lower baud rates.
// 921600b is not reliable because even though it sometimes succeeds in connecting, we get a bad response during uploading after a few blocks.
// Probably our UART ISR cannot receive bytes fast enough, perhaps because of the latency of the system tick ISR.
// 460800b doesn't always manage to connect, but if it does then uploading appears to be reliable.
// 230400b always manages to connect.
static const uint32_t uploadBaudRates[] = { 460800, 230400, 115200, 74880 };
WifiFirmwareUploader::WifiFirmwareUploader(UARTClass& port)
: uploadPort(port), uploadFile(nullptr), state(UploadState::idle)
{
}
bool WifiFirmwareUploader::IsReady() const
{
return state == UploadState::idle;
}
void WifiFirmwareUploader::MessageF(const char *fmt, ...)
{
va_list vargs;
va_start(vargs, fmt);
reprap.GetPlatform()->MessageF(FIRMWARE_UPDATE_MESSAGE, fmt, vargs);
va_end(vargs);
}
void WifiFirmwareUploader::flushInput()
{
while (uploadPort.available() != 0)
{
(void)uploadPort.read();
}
}
// Extract 1-4 bytes of a value in little-endian order from a buffer beginning at a specified offset
uint32_t WifiFirmwareUploader::getData(unsigned byteCnt, const uint8_t *buf, int ofst)
{
uint32_t val = 0;
if (buf && byteCnt)
{
unsigned int shiftCnt = 0;
if (byteCnt > 4)
byteCnt = 4;
do
{
val |= (uint32_t)buf[ofst++] << shiftCnt;
shiftCnt += 8;
} while (--byteCnt);
}
return(val);
}
// Put 1-4 bytes of a value in little-endian order into a buffer beginning at a specified offset.
void WifiFirmwareUploader::putData(uint32_t val, unsigned byteCnt, uint8_t *buf, int ofst)
{
if (buf && byteCnt)
{
if (byteCnt > 4)
{
byteCnt = 4;
}
do
{
buf[ofst++] = (uint8_t)(val & 0xff);
val >>= 8;
} while (--byteCnt);
}
}
// Read a byte optionally performing SLIP decoding. The return values are:
//
// 2 - an escaped byte was read successfully
// 1 - a non-escaped byte was read successfully
// 0 - no data was available
// -1 - the value 0xc0 was encountered (shouldn't happen)
// -2 - a SLIP escape byte was found but the following byte wasn't available
// -3 - a SLIP escape byte was followed by an invalid byte
int WifiFirmwareUploader::ReadByte(uint8_t& data, bool slipDecode)
{
if (uploadPort.available() == 0)
{
return(0);
}
// at least one byte is available
data = uploadPort.read();
if (!slipDecode)
{
return(1);
}
if (data == 0xc0)
{
// this shouldn't happen
return(-1);
}
// if not the SLIP escape, we're done
if (data != 0xdb)
{
return(1);
}
// SLIP escape, check availability of subsequent byte
if (uploadPort.available() == 0)
{
return(-2);
}
// process the escaped byte
data = uploadPort.read();
if (data == 0xdc)
{
data = 0xc0;
return(2);
}
if (data == 0xdd)
{
data = 0xdb;
return(2);
}
// invalid
return(-3);
}
// When we write a sync packet, there must be no gaps between most of the characters.
// So use this function, which does a block write to the UART buffer in the latest CoreNG.
void WifiFirmwareUploader::writePacketRaw(const uint8_t *buf, size_t len)
{
uploadPort.write(buf, len);
}
// Write a byte to the serial port optionally SLIP encoding. Return the number of bytes actually written.
inline void WifiFirmwareUploader::WriteByteRaw(uint8_t b)
{
uploadPort.write(b);
}
// Write a byte to the serial port optionally SLIP encoding. Return the number of bytes actually written.
inline void WifiFirmwareUploader::WriteByteSlip(uint8_t b)
{
if (b == 0xC0)
{
WriteByteRaw(0xDB);
WriteByteRaw(0xDC);
}
else if (b == 0xDB)
{
WriteByteRaw(0xDB);
WriteByteRaw(0xDD);
}
else
{
uploadPort.write(b);
}
}
// Wait for a data packet to be returned. If the body of the packet is
// non-zero length, return an allocated buffer indirectly containing the
// data and return the data length. Note that if the pointer for returning
// the data buffer is NULL, the response is expected to be two bytes of zero.
//
// If an error occurs, return a negative value. Otherwise, return the number
// of bytes in the response (or zero if the response was not the standard "two bytes of zero").
WifiFirmwareUploader::EspUploadResult WifiFirmwareUploader::readPacket(uint8_t op, uint32_t *valp, size_t& bodyLen, uint32_t msTimeout)
{
enum class PacketState
{
begin = 0,
header,
body,
end,
done
};
const size_t headerLength = 8;
uint32_t startTime = millis();
uint8_t hdr[headerLength];
uint16_t hdrIdx = 0;
bodyLen = 0;
uint16_t bodyIdx = 0;
uint8_t respBuf[2];
// wait for the response
uint16_t needBytes = 1;
PacketState state = PacketState::begin;
while (state != PacketState::done)
{
uint8_t c;
EspUploadResult stat;
if (millis() - startTime > msTimeout)
{
return(EspUploadResult::timeout);
}
if (uploadPort.available() < needBytes)
{
// insufficient data available
// preferably, return to Spin() here
continue;
}
// sufficient bytes have been received for the current state, process them
switch(state)
{
case PacketState::begin: // expecting frame start
case PacketState::end: // expecting frame end
c = uploadPort.read();
if (c != 0xc0)
{
return EspUploadResult::slipFrame;
}
if (state == PacketState::begin)
{
state = PacketState::header;
needBytes = 2;
}
else
{
state = PacketState::done;
}
break;
case PacketState::header: // reading an 8-byte header
case PacketState::body: // reading the response body
{
int rslt;
// retrieve a byte with SLIP decoding
rslt = ReadByte(c, true);
if (rslt != 1 && rslt != 2)
{
// some error occurred
stat = (rslt == 0 || rslt == -2) ? EspUploadResult::slipData : EspUploadResult::slipFrame;
return stat;
}
else if (state == PacketState::header)
{
//store the header byte
hdr[hdrIdx++] = c;
if (hdrIdx >= headerLength)
{
// get the body length, prepare a buffer for it
bodyLen = (uint16_t)getData(2, hdr, 2);
// extract the value, if requested
if (valp != nullptr)
{
*valp = getData(4, hdr, 4);
}
if (bodyLen != 0)
{
state = PacketState::body;
}
else
{
needBytes = 1;
state = PacketState::end;
}
}
}
else
{
// Store the response body byte, check for completion
if (bodyIdx < ARRAY_SIZE(respBuf))
{
respBuf[bodyIdx] = c;
}
++bodyIdx;
if (bodyIdx >= bodyLen)
{
needBytes = 1;
state = PacketState::end;
}
}
}
break;
default: // this shouldn't happen
return EspUploadResult::slipState;
}
}
// Extract elements from the header
const uint8_t resp = (uint8_t)getData(1, hdr, 0);
const uint8_t opRet = (uint8_t)getData(1, hdr, 1);
// Sync packets often provoke a response with a zero opcode instead of ESP_SYNC
if (resp != 0x01 || opRet != op)
{
//debugPrintf("resp %02x %02x\n", resp, opRet);
return EspUploadResult::respHeader;
}
return EspUploadResult::success;
}
// Send a block of data performing SLIP encoding of the content.
inline void WifiFirmwareUploader::writePacket(const uint8_t *data, size_t len)
{
while (len != 0)
{
WriteByteSlip(*data++);
--len;
}
}
// Send a packet to the serial port while performing SLIP framing. The packet data comprises a header and an optional data block.
// A SLIP packet begins and ends with 0xc0. The data encapsulated has the bytes
// 0xc0 and 0xdb replaced by the two-byte sequences {0xdb, 0xdc} and {0xdb, 0xdd} respectively.
void WifiFirmwareUploader::writePacket(const uint8_t *hdr, size_t hdrLen, const uint8_t *data, size_t dataLen)
{
WriteByteRaw(0xc0); // send the packet start character
writePacket(hdr, hdrLen); // send the header
writePacket(data, dataLen); // send the data block
WriteByteRaw(0xc0); // send the packet end character
}
// Send a packet to the serial port while performing SLIP framing. The packet data comprises a header and an optional data block.
// This is like writePacket except that it does a fast block write for both the header and the main data with no SLIP encoding. Used to send sync commands.
void WifiFirmwareUploader::writePacketRaw(const uint8_t *hdr, size_t hdrLen, const uint8_t *data, size_t dataLen)
{
WriteByteRaw(0xc0); // send the packet start character
writePacketRaw(hdr, hdrLen); // send the header
writePacketRaw(data, dataLen); // send the data block in raw mode
WriteByteRaw(0xc0); // send the packet end character
}
// Send a command to the attached device together with the supplied data, if any.
// The data is supplied via a list of one or more segments.
void WifiFirmwareUploader::sendCommand(uint8_t op, uint32_t checkVal, const uint8_t *data, size_t dataLen)
{
// populate the header
uint8_t hdr[8];
putData(0, 1, hdr, 0);
putData(op, 1, hdr, 1);
putData(dataLen, 2, hdr, 2);
putData(checkVal, 4, hdr, 4);
// send the packet
flushInput();
if (op == ESP_SYNC)
{
writePacketRaw(hdr, sizeof(hdr), data, dataLen);
}
else
{
writePacket(hdr, sizeof(hdr), data, dataLen);
}
}
// Send a command to the attached device together with the supplied data, if any, and get the response
WifiFirmwareUploader::EspUploadResult WifiFirmwareUploader::doCommand(uint8_t op, const uint8_t *data, size_t dataLen, uint32_t checkVal, uint32_t *valp, uint32_t msTimeout)
{
sendCommand(op, checkVal, data, dataLen);
size_t bodyLen;
EspUploadResult stat = readPacket(op, valp, bodyLen, msTimeout);
if (stat == EspUploadResult::success && bodyLen != 2)
{
stat = EspUploadResult::badReply;
}
return stat;
}
// Send a synchronising packet to the serial port in an attempt to induce
// the ESP8266 to auto-baud lock on the baud rate.
WifiFirmwareUploader::EspUploadResult WifiFirmwareUploader::Sync(uint16_t timeout)
{
uint8_t buf[36];
// compose the data for the sync attempt
memset(buf, 0x55, sizeof(buf));
buf[0] = 0x07;
buf[1] = 0x07;
buf[2] = 0x12;
buf[3] = 0x20;
EspUploadResult stat = doCommand(ESP_SYNC, buf, sizeof(buf), 0, nullptr, timeout);
// If we got a response other than sync, discard it and wait for a sync response. This happens at higher baud rates.
for (int i = 0; i < 10 && stat == EspUploadResult::respHeader; ++i)
{
size_t bodyLen;
stat = readPacket(ESP_SYNC, nullptr, bodyLen, timeout);
}
if (stat == EspUploadResult::success)
{
// Read and discard additional replies
for (;;)
{
size_t bodyLen;
EspUploadResult rc = readPacket(ESP_SYNC, nullptr, bodyLen, defaultTimeout);
if (rc != EspUploadResult::success || bodyLen != 2)
{
break;
}
}
}
//DEBUG
// else debugPrintf("stat=%d\n", (int)stat);
return stat;
}
// Send a command to the device to begin the Flash process.
WifiFirmwareUploader::EspUploadResult WifiFirmwareUploader::flashBegin(uint32_t addr, uint32_t size)
{
// determine the number of blocks represented by the size
uint32_t blkCnt;
blkCnt = (size + EspFlashBlockSize - 1) / EspFlashBlockSize;
// ensure that the address is on a block boundary
addr &= ~(EspFlashBlockSize - 1);
// begin the Flash process
uint8_t buf[16];
putData(size, 4, buf, 0);
putData(blkCnt, 4, buf, 4);
putData(EspFlashBlockSize, 4, buf, 8);
putData(addr, 4, buf, 12);
uint32_t timeout = (size != 0) ? eraseTimeout : defaultTimeout;
return doCommand(ESP_FLASH_BEGIN, buf, sizeof(buf), 0, nullptr, timeout);
}
// Send a command to the device to terminate the Flash process
WifiFirmwareUploader::EspUploadResult WifiFirmwareUploader::flashFinish(bool reboot)
{
uint8_t buf[4];
putData(reboot ? 0 : 1, 4, buf, 0);
return doCommand(ESP_FLASH_END, buf, sizeof(buf), 0, nullptr, defaultTimeout);
}
// Compute the checksum of a block of data
uint16_t WifiFirmwareUploader::checksum(const uint8_t *data, uint16_t dataLen, uint16_t cksum)
{
if (data != NULL)
{
while (dataLen--)
{
cksum ^= (uint16_t)*data++;
}
}
return(cksum);
}
WifiFirmwareUploader::EspUploadResult WifiFirmwareUploader::flashWriteBlock(uint16_t flashParmVal, uint16_t flashParmMask)
{
const uint32_t blkSize = EspFlashBlockSize;
// Allocate a data buffer for the combined header and block data
const uint16_t hdrOfst = 0;
const uint16_t dataOfst = 16;
const uint16_t blkBufSize = dataOfst + blkSize;
uint32_t blkBuf32[blkBufSize/4];
uint8_t * const blkBuf = reinterpret_cast<uint8_t*>(blkBuf32);
// Prepare the header for the block
putData(blkSize, 4, blkBuf, hdrOfst + 0);
putData(uploadBlockNumber, 4, blkBuf, hdrOfst + 4);
putData(0, 4, blkBuf, hdrOfst + 8);
putData(0, 4, blkBuf, hdrOfst + 12);
// Get the data for the block
size_t cnt = uploadFile->Read(reinterpret_cast<char *>(blkBuf + dataOfst), blkSize);
if (cnt != blkSize)
{
if (uploadFile->Position() == fileSize)
{
// partial last block, fill the remainder
memset(blkBuf + dataOfst + cnt, 0xff, blkSize - cnt);
}
else
{
return EspUploadResult::fileRead;
}
}
// Patch the flash parameters into the first block if it is loaded at address 0
if (uploadBlockNumber == 0 && uploadAddress == 0 && blkBuf[dataOfst] == ESP_IMAGE_MAGIC && flashParmMask != 0)
{
// update the Flash parameters
uint32_t flashParm = getData(2, blkBuf + dataOfst + 2, 0) & ~(uint32_t)flashParmMask;
putData(flashParm | flashParmVal, 2, blkBuf + dataOfst + 2, 0);
}
// Calculate the block checksum
uint16_t cksum = checksum(blkBuf + dataOfst, blkSize, ESP_CHECKSUM_MAGIC);
EspUploadResult stat;
for (int i = 0; i < 3; i++)
{
if ((stat = doCommand(ESP_FLASH_DATA, blkBuf, blkBufSize, cksum, nullptr, blockWriteTimeout)) == EspUploadResult::success)
{
break;
}
}
return stat;
}
void WifiFirmwareUploader::Spin()
{
switch (state)
{
case UploadState::resetting:
if (connectAttemptNumber == ARRAY_SIZE(uploadBaudRates) * retriesPerBaudRate)
{
// Time to give up
Network::ResetWiFi();
uploadResult = EspUploadResult::connect;
state = UploadState::done;
}
else
{
// Reset the serial port at the new baud rate. Also reset the ESP8266.
const uint32_t baud = uploadBaudRates[connectAttemptNumber/retriesPerBaudRate];
if (connectAttemptNumber % retriesPerBaudRate == 0)
{
// First attempt at this baud rate
MessageF("Trying to connect at %u baud: ", baud);
}
uploadPort.begin(baud);
uploadPort.setInterruptPriority(1); // we are going to move data at seriously high speeds
Network::ResetWiFiForUpload();
lastAttemptTime = lastResetTime = millis();
state = UploadState::connecting;
}
break;
case UploadState::connecting:
if (millis() - lastAttemptTime >= connectAttemptInterval && millis() - lastResetTime >= resetDelay)
{
// Attempt to establish a connection to the ESP8266.
EspUploadResult res = Sync(syncTimeout);
lastAttemptTime = millis();
if (res == EspUploadResult::success)
{
// Successful connection
// MessageF(" success on attempt %d\n", (connectAttemptNumber % retriesPerBaudRate) + 1);
MessageF(" success\n");
state = UploadState::erasing;
}
else
{
// This attempt failed
++connectAttemptNumber;
if (connectAttemptNumber % retriesPerReset == 0)
{
if (connectAttemptNumber % retriesPerBaudRate == 0)
{
MessageF(" failed\n");
}
state = UploadState::resetting; // try a reset and a lower baud rate
}
}
}
break;
case UploadState::erasing:
if (millis() - lastAttemptTime >= blockWriteInterval)
{
const uint32_t sectorsPerBlock = 16;
const uint32_t sectorSize = 4096;
const uint32_t numSectors = (fileSize + sectorSize - 1)/sectorSize;
const uint32_t startSector = uploadAddress/sectorSize;
uint32_t headSectors = sectorsPerBlock - (startSector % sectorsPerBlock);
if (numSectors < headSectors)
{
headSectors = numSectors;
}
const uint32_t eraseSize = (numSectors < 2 * headSectors)
? (numSectors + 1) / 2 * sectorSize
: (numSectors - headSectors) * sectorSize;
MessageF("Erasing %u bytes...\n", fileSize);
uploadResult = flashBegin(uploadAddress, eraseSize);
if (uploadResult == EspUploadResult::success)
{
MessageF("Uploading file...\n");
uploadBlockNumber = 0;
uploadNextPercentToReport = percentToReportIncrement;
lastAttemptTime = millis();
state = UploadState::uploading;
}
else
{
MessageF("Erase failed\n");
state = UploadState::done;
}
}
break;
case UploadState::uploading:
// The ESP needs several milliseconds to recover from one packet before it will accept another
if (millis() - lastAttemptTime >= blockWriteInterval)
{
const uint32_t blkCnt = (fileSize + EspFlashBlockSize - 1) / EspFlashBlockSize;
if (uploadBlockNumber < blkCnt)
{
uploadResult = flashWriteBlock(0, 0);
lastAttemptTime = millis();
if (uploadResult != EspUploadResult::success)
{
MessageF("Flash block upload failed\n");
state = UploadState::done;
}
const unsigned int percentComplete = (100 * uploadBlockNumber)/blkCnt;
++uploadBlockNumber;
if (percentComplete >= uploadNextPercentToReport)
{
MessageF("%u%% complete\n", percentComplete);
uploadNextPercentToReport += percentToReportIncrement;
}
}
else
{
state = UploadState::done;
}
}
break;
case UploadState::done:
uploadFile->Close();
uploadPort.end(); // disable the port, it has a high interrupt priority
if (uploadResult == EspUploadResult::success)
{
reprap.GetPlatform()->Message(FIRMWARE_UPDATE_MESSAGE, "Upload successful\n");
if (restartOnCompletion)
{
reprap.GetNetwork()->Start();
}
else
{
reprap.GetNetwork()->ResetWiFi();
}
}
else
{
reprap.GetPlatform()->MessageF(FIRMWARE_UPDATE_MESSAGE, "Error: Installation failed due to %s error\n", resultMessages[(size_t)uploadResult]);
// Not safe to restart the network
reprap.GetNetwork()->ResetWiFi();
}
state = UploadState::idle;
break;
default:
break;
}
}
// Try to upload the given file at the given address
void WifiFirmwareUploader::SendUpdateFile(const char *file, const char *dir, uint32_t address)
{
Platform * const platform = reprap.GetPlatform();
uploadFile = platform->GetFileStore(dir, file, false);
if (uploadFile == nullptr)
{
platform->MessageF(FIRMWARE_UPDATE_MESSAGE, "Failed to open file %s\n", file);
return;
}
fileSize = uploadFile->Length();
if (fileSize == 0)
{
uploadFile->Close();
platform->MessageF(FIRMWARE_UPDATE_MESSAGE, "Upload file is empty %s\n", file);
return;
}
// Stop the network
Network *network = reprap.GetNetwork();
restartOnCompletion = network->IsEnabled();
network->Stop();
// Set up the state so that subsequent calls to Spin() will attempt the upload
uploadAddress = address;
connectAttemptNumber = 0;
state = UploadState::resetting;
}
// End
|