Arduino board: All I checked, Uno, ESP32, Feather M4...
Arduino IDE version 1.8.13
Adafruit SPIFlash 3.4.0
Adafruit EPD 4.3.1
When I try to compile your example for the Color EPD (acep_7colorTest) I get the following error:
C:\Users*****\AppData\Local\Temp\cckKM4GV.ltrans0.ltrans.o: In function `global constructors keyed to 65535_0_acep_7ColorTest.ino.cpp.o.9514':
:(.text.startup+0x1bc): undefined reference to `Adafruit_FlashTransport_QSPI::Adafruit_FlashTransport_QSPI()'
collect2.exe: error: ld returned 1 exit status
exit status 1
When I try to compile your example for the Color EPD (acep_7colorTest) I get the following error:
C:\Users*****\AppData\Local\Temp\cckKM4GV.ltrans0.ltrans.o: In function `global constructors keyed to 65535_0_acep_7ColorTest.ino.cpp.o.9514':