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Add Checksums to Firmware & External App images (#1809)

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* Pad image to 1MB and add simple checksum

* Test code to verify firmware checksum

* Comment out unneeded zlib

* Add files via upload

* Print space remaining in ROM

* Append checksum to external apps too

* Check external app checksums when loading

* Is it 2024 already?!

* Validate firmware checksum before flashing

* Add files via upload

* Added flash error warning to nav screen

* Clang

* Replaced some hard-coded values with #defines

* Check FW checksum before USB serial flash too

* Add files via upload
This commit is contained in:
Mark Thompson 2024-01-24 16:37:21 -06:00 • committed by GitHub
parent 2d98c5d311
commit 6a6c6d6502
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13 changed files with 179 additions and 13 deletions
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7
firmware/common/utility.cpp
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@ -235,3 +235,10 @@ std::string join(char c, std::initializer_list<std::string_view> strings) {
return result;
}
uint32_t simple_checksum(uint32_t buffer_address, uint32_t length) {
uint32_t checksum = 0;
for (uint32_t i = 0; i < length; i += 4)
checksum += *(uint32_t*)(buffer_address + i);
return checksum;
}