rusefi/firmware/ext/atwinc1500
..
bsp
bus_wrapper
common
driver
programmer
socket
spi_flash
WINC1500_IoT_SW_APIs.chm
atwinc1500.mk
readme.md
winc1500_19.7.7.bin

readme.md

Firmware generated from repo https://github.com/Microchip-MPLAB-Harmony/wireless_wifi like this:

git clone https://github.com/Microchip-MPLAB-Harmony/wireless_wifi.git cd wireless_wifi/utilities/wifi/winc ./winc_flash_tool.sh -i aio -d WINC1500 -v 19.7.7 firmware image then exists in wireless_wifi/utilities/wifi/winc/files/winc1500

Driver is slightly modified from the one in wireless_wifi/driver/winc/winc1500_19.7.7 (cpp-ified, mostly).