Use esp reboot counter to downlod a valid fw after 3 reboot - #530
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giulcioffi wants to merge 11 commits into
Open
giulcioffi wants to merge 11 commits into
giulcioffi wants to merge 11 commits into
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…U bootloader makes no sense
… a NINA W102 module
… maximum size which is available for the SNU second stage bootloader. In case of the MKR VIDOR 4000 the necessary FPGA bitstream is injected in the binary image above the usable flash of the MCU by the build system. When using the SNU for the MKR VIDOR 4000 we have to rely on the bitstream being already in place (not a unrealistic assumption, given that the SNU is compiled into a complete Vidor binary + fpga application).
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This is based on the PR #512 and linked to the reboot counter in nina-fw (arduino/nina-fw#47).
In case we are trying to flash an invalid fw, a reboot is triggered. Whenever a reboot is done, the counter stored in the file "bootcounter.bin" is incremented. This patch introduces a check on the NiNaBoot side: after 3 consecutive reboots, a valid fw is downloaded from a suggested URL.
The WiFi credentials in Usage.ino need to be set to working ones, as well as the URL in NiNaBoot.ino from which the binary of the new fw must be downloaded.
Once a valid fw is downloaded and the continuous rebooting is stopped, the file containing the reboot counter is erased.