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Add a CRC32 over progmem and ESP.checkFlashCRC #6566

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Merged
merged 17 commits into from
Dec 20, 2019
Merged

Add a CRC32 over progmem and ESP.checkFlashCRC #6566

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3833040
Add a CRC32 over progmem and ESP.checkFlashCRC
earlephilhower Sep 29, 2019
79d0197
Add example that currupts itself, comments
earlephilhower Sep 30, 2019
7011265
Merge branch 'master' into crc32
earlephilhower Sep 30, 2019
b7e9f01
Merge branch 'master' into crc32
earlephilhower Oct 1, 2019
4a50bab
Merge branch 'master' into crc32
earlephilhower Oct 1, 2019
3fca89e
Update Esp.cpp
earlephilhower Oct 1, 2019
fcfa48c
Update Esp.cpp
earlephilhower Oct 1, 2019
00929d1
Fix example astyle problems
earlephilhower Oct 1, 2019
49180aa
Check linker script for CRC space in bootsector
earlephilhower Dec 9, 2019
95e64e4
Merge branch 'master' into crc32
earlephilhower Dec 9, 2019
800ebe5
Fix order of crc/len in linker script
earlephilhower Dec 10, 2019
23ecb8e
Merge branch 'master' into crc32
earlephilhower Dec 18, 2019
77d617a
Add note about what to do if CRC check fails
earlephilhower Dec 19, 2019
985b6c5
Only single, flash/ram friendly crc32() function
earlephilhower Dec 20, 2019
379b167
Combine the CRC calc and bin generation in 1 step
earlephilhower Dec 20, 2019
51fec2c
Merge branch 'master' into crc32
earlephilhower Dec 20, 2019
365a9d0
Merge branch 'master' into crc32
earlephilhower Dec 20, 2019
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Update Esp.cpp
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@earlephilhower
earlephilhower authored Oct 1, 2019
commit fcfa48c031b09a393274b7c8f44f47e85523b17f
2 changes: 1 addition & 1 deletion cores/esp8266/Esp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -445,7 +445,7 @@ bool EspClass::checkFlashCRC() {
// of flash occupied by the bootloader. If the bootloader grows to >4K-8 bytes,
// we'll need to adjust this.
uint32_t flashsize = *((uint32_t*)(0x40200000 + 4088)); // Start of PROGMEM plus 4K-8
uint32_t flashcrc = *((uint32_t*)(0x40200000 + 4095)); // Start of PROGMEM plus 4K-4
uint32_t flashcrc = *((uint32_t*)(0x40200000 + 4092)); // Start of PROGMEM plus 4K-4
uint32_t z[2];
z[0] = z[1] = 0;

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