Update waveshare_epaper.cpp #78

Job	Run time
compile-tests-list	3s
Create common environment	5s
Check black	15s
Check flake8	12s
Run script/ci-custom	7s
Check clang-format	23s
Check pylint	1m 27s
Run pytest	13s
Check pyupgrade	9s
Validate YAML test tests/test1.1.yaml	6s
Validate YAML test tests/test1.yaml	9s
Validate YAML test tests/test10.yaml	11s
Validate YAML test tests/test11.5.yaml	6s
Validate YAML test tests/test2.yaml	7s
Validate YAML test tests/test3.1.yaml	6s
Validate YAML test tests/test3.yaml	6s
Validate YAML test tests/test4.yaml	8s
Validate YAML test tests/test5.yaml	5s
Validate YAML test tests/test6.yaml	7s
Validate YAML test tests/test7.yaml	12s
Validate YAML test tests/test8.yaml	5s
Validate YAML test tests/test9.1.yaml	5s
Validate YAML test tests/test9.yaml	6s
${{ matrix.name }}	0s
Run YAML test ${{ matrix.file }}	0s
CI Status	1s
	4m 34s

Provide feedback