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Update SSD1306Ascii.cpp

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Bugfix: Move calculation of m_charsPerColumn and m_charsPerRow into constructors, to avoid incorrect random values being reported.
This commit is contained in:
Neil McKechnie 2023-02-19 19:14:15 +00:00
parent 173676287c
commit 33229b4847
1 changed files with 7 additions and 10 deletions
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17
SSD1306Ascii.cpp
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@ -143,18 +143,18 @@ const uint8_t FLASH SSD1306AsciiWire::SH1106_132x64init[] = {
// SSD1306AsciiWire Method Definitions
//------------------------------------------------------------------------------
// Constructor
SSD1306AsciiWire::SSD1306AsciiWire(int width, int height) {
m_i2cAddr = 0;
m_displayWidth = width;
m_displayHeight = height;
}
// Auto-detect address
SSD1306AsciiWire::SSD1306AsciiWire(int width, int height)
: SSD1306AsciiWire(0, width, height) { }
// CS auto-detect and configure constructor
// Constructor with explicit address
SSD1306AsciiWire::SSD1306AsciiWire(I2CAddress address, int width, int height) {
m_i2cAddr = address;
m_displayWidth = width;
m_displayHeight = height;
// Set size in characters
m_charsPerColumn = m_displayHeight / fontHeight;
m_charsPerRow = (m_displayWidth+fontWidth-1) / fontWidth; // Round up
}
bool SSD1306AsciiWire::begin() {
@ -173,9 +173,6 @@ bool SSD1306AsciiWire::begin() {
DIAG(F("OLED display not found"));
}
// Set size in characters
m_charsPerColumn = m_displayHeight / fontHeight;
m_charsPerRow = (m_displayWidth+fontWidth-1) / fontWidth; // Round up
m_col = 0;
m_row = 0;
m_colOffset = 0;