mbirth/wipy-upcd8544
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Assert display size from variables.

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This commit is contained in:
Markus Birth 2015-11-14 23:35:28 +01:00
parent 83fd7cc826
commit 80c3a1db8f
1 changed files with 3 additions and 3 deletions
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upcd8544.py
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@ -113,9 +113,9 @@ class PCD8544:
# 0x0c - normal display mode
def position(self, x, y):
""" goto to column x in seg y """
assert 0 <= x <= 83, "x must be between 0 and 83"
assert 0 <= y <= 5, "y must be between 0 and 5"
""" set cursor to bank y, column x """
assert 0 <= x < self.width, "x must be between 0 and 83"
assert 0 <= y < self.height // 8, "y must be between 0 and 5"
self.command([x + 0x80, y + 0x40])
def clear(self):