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Update IO_OLEDDisplay.h

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Round up number of characters per line, so that the last few pixels on the line are erased when writing blanks.
This commit is contained in:
Neil McKechnie 2023-02-10 15:34:13 +00:00
parent f358880f30
commit 1ffb3a9836
1 changed files with 7 additions and 6 deletions
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13
IO_OLEDDisplay.h
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@ -77,8 +77,8 @@ protected:
_I2CAddress = i2cAddress; _I2CAddress = i2cAddress;
_width = width; _width = width;
_height = height; _height = height;
_numCols = _width / 6; // character block 6 x 8 _numCols = (_width+5) / 6; // character block 6 x 8, round up
_numRows = _height / 8; _numRows = _height / 8; // Round down
_charPosToScreen = _numCols; _charPosToScreen = _numCols;
@ -91,10 +91,7 @@ protected:
// Create OLED driver // Create OLED driver
oled = new SSD1306AsciiWire(); oled = new SSD1306AsciiWire();
// Clear the entire screen
oled->clearNative();
addDevice(this); addDevice(this);
} }
@ -115,6 +112,10 @@ protected:
// Force all rows to be redrawn // Force all rows to be redrawn
for (uint8_t row=0; row<_numRows; row++) for (uint8_t row=0; row<_numRows; row++)
_rowGeneration[row]++; _rowGeneration[row]++;
// Start with top line (looks better)
_rowNoToScreen = _numRows;
_charPosToScreen = _numCols;
} }
} }