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SH1106 OLED Display Offset Fix (#169)

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Correct display offset for SH1106.  The SH1106 supports 132 columns but most displays use 128 column OLED, connected to the middle columns 2-129.
This commit is contained in:
Neil McKechnie 2021-06-10 16:24:44 +01:00 committed by GitHub
parent ac37228942
commit 79763a3bb8
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 3 additions and 2 deletions
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4
SSD1306Ascii.cpp
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@ -74,8 +74,8 @@ void SSD1306AsciiWire::setCursor(uint8_t col, uint8_t row) {
m_col = col + m_colOffset;
I2CManager.write(m_i2cAddr, 4,
0x00, // Set to command mode
SSD1306_SETLOWCOLUMN | (col & 0XF),
SSD1306_SETHIGHCOLUMN | (col >> 4),
SSD1306_SETLOWCOLUMN | (m_col & 0XF),
SSD1306_SETHIGHCOLUMN | (m_col >> 4),
SSD1306_SETSTARTPAGE | m_row);
}
}

1
SSD1306init.h
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@ -182,6 +182,7 @@ static const uint8_t MEM_TYPE SH1106_128x64init[] = {
0x00, // Set to command mode
SSD1306_DISPLAYOFF,
SSD1306_SETSTARTPAGE | 0X0, // set page address
SSD1306_SETSTARTLINE | 0x0, // set start line
SSD1306_SETCONTRAST, 0x80, // 128
SSD1306_SEGREMAP | 0X1, // set segment remap
SSD1306_NORMALDISPLAY, // normal / reverse