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Added offset support for SH1106 132x64 controller with 128x64 matrix #4

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Merged
merged 1 commit into from
Feb 12, 2022
Merged

Added offset support for SH1106 132x64 controller with 128x64 matrix #4

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12 changes: 12 additions & 0 deletions src/oled.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -403,6 +403,10 @@ void OLED::display()
i2c_start();
i2c_send(i2c_address << 1); // address + write
i2c_send(0x40); // data
if(usingOffset){
i2c_send(0);
i2c_send(0);
}
for (uint_fast8_t column = 0; column < width; column++)
{
i2c_send(buffer[index++]);
Expand Down Expand Up @@ -987,3 +991,11 @@ void OLED::setTTYMode(bool Enabled)
{
ttyMode=Enabled;
}


void OLED::useOffset(bool offset)
{
if(isSH1106){
usingOffset = offset;
}
}
8 changes: 8 additions & 0 deletions src/oled.h
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Original file line number Diff line number Diff line change
Expand Up @@ -98,6 +98,11 @@ class OLED : public Print
* Initialize the display controller, clean memory and switch output on.
*/
void begin();

/**
* Will use offset for wired cases when controller uses SSH1106 132x64 but display is 128x64
*/
void useOffset(bool offset=true);

/**
* Enable or disable the charge pump and display output. May be used to save power.
Expand Down Expand Up @@ -336,6 +341,9 @@ class OLED : public Print

/** true=SH1106 controller, false=SSD1306 controller */
const bool isSH1106;

/** Offset for SH1106 132x64 controller with 128x64 matrix */
bool usingOffset;

/** Number of pages in the display and buffer */
const uint_fast8_t pages;
Expand Down