Added I2C clock frequency parameter for 4LD.
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@ -114,6 +114,7 @@ class FourLineDisplayUsermod : public Usermod {
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U8X8 *u8x8 = nullptr; // pointer to U8X8 display object
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#ifndef FLD_SPI_DEFAULT
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int8_t ioPin[5] = {FLD_PIN_SCL, FLD_PIN_SDA, -1, -1, -1}; // I2C pins: SCL, SDA
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uint32_t ioFrequency = 400000; // in Hz (minimum is 100000, baseline is 400000 and maximum should be 3400000)
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DisplayType type = SSD1306; // display type
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#else
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int8_t ioPin[5] = {FLD_PIN_CLOCKSPI, FLD_PIN_DATASPI, FLD_PIN_CS, FLD_PIN_DC, FLD_PIN_RESET}; // SPI pins: CLK, MOSI, CS, DC, RST
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@ -155,6 +156,7 @@ class FourLineDisplayUsermod : public Usermod {
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static const char _flip[];
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static const char _sleepMode[];
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static const char _clockMode[];
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static const char _busClkFrequency[];
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// If display does not work or looks corrupted check the
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// constructor reference:
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@ -248,6 +250,7 @@ class FourLineDisplayUsermod : public Usermod {
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initDone = true;
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DEBUG_PRINTLN(F("Starting display."));
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if (!(type == SSD1306_SPI || type == SSD1306_SPI64)) u8x8->setBusClock(ioFrequency); // can be used for SPI too
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u8x8->begin();
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setFlipMode(flip);
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setContrast(contrast); //Contrast setup will help to preserve OLED lifetime. In case OLED need to be brighter increase number up to 255
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@ -683,6 +686,7 @@ class FourLineDisplayUsermod : public Usermod {
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top[FPSTR(_screenTimeOut)] = screenTimeout/1000;
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top[FPSTR(_sleepMode)] = (bool) sleepMode;
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top[FPSTR(_clockMode)] = (bool) clockMode;
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top[FPSTR(_busClkFrequency)] = ioFrequency/1000;
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DEBUG_PRINTLN(F("4 Line Display config saved."));
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}
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@ -714,6 +718,7 @@ class FourLineDisplayUsermod : public Usermod {
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screenTimeout = (top[FPSTR(_screenTimeOut)] | screenTimeout/1000) * 1000;
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sleepMode = top[FPSTR(_sleepMode)] | sleepMode;
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clockMode = top[FPSTR(_clockMode)] | clockMode;
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ioFrequency = min(3400, max(100, (int)(top[FPSTR(_busClkFrequency)] | ioFrequency/1000))) * 1000; // limit frequency
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DEBUG_PRINT(FPSTR(_name));
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if (!initDone) {
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@ -739,12 +744,13 @@ class FourLineDisplayUsermod : public Usermod {
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setup();
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needsRedraw |= true;
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}
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if (!(type == SSD1306_SPI || type == SSD1306_SPI64)) u8x8->setBusClock(ioFrequency); // can be used for SPI too
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setContrast(contrast);
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setFlipMode(flip);
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if (needsRedraw && !wakeDisplay()) redraw(true);
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}
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// use "return !top["newestParameter"].isNull();" when updating Usermod with new features
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return !(top["pin"][2]).isNull();
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return !(top[_busClkFrequency]).isNull();
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}
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/*
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@ -757,10 +763,11 @@ class FourLineDisplayUsermod : public Usermod {
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};
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// strings to reduce flash memory usage (used more than twice)
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const char FourLineDisplayUsermod::_name[] PROGMEM = "4LineDisplay";
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const char FourLineDisplayUsermod::_contrast[] PROGMEM = "contrast";
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const char FourLineDisplayUsermod::_refreshRate[] PROGMEM = "refreshRateSec";
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const char FourLineDisplayUsermod::_screenTimeOut[] PROGMEM = "screenTimeOutSec";
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const char FourLineDisplayUsermod::_flip[] PROGMEM = "flip";
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const char FourLineDisplayUsermod::_sleepMode[] PROGMEM = "sleepMode";
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const char FourLineDisplayUsermod::_clockMode[] PROGMEM = "clockMode";
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const char FourLineDisplayUsermod::_name[] PROGMEM = "4LineDisplay";
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const char FourLineDisplayUsermod::_contrast[] PROGMEM = "contrast";
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const char FourLineDisplayUsermod::_refreshRate[] PROGMEM = "refreshRateSec";
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const char FourLineDisplayUsermod::_screenTimeOut[] PROGMEM = "screenTimeOutSec";
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const char FourLineDisplayUsermod::_flip[] PROGMEM = "flip";
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const char FourLineDisplayUsermod::_sleepMode[] PROGMEM = "sleepMode";
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const char FourLineDisplayUsermod::_clockMode[] PROGMEM = "clockMode";
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const char FourLineDisplayUsermod::_busClkFrequency[] PROGMEM = "i2c-freq-kHz";
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@ -8,7 +8,7 @@
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*/
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// version code in format yymmddb (b = daily build)
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#define VERSION 2109121
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#define VERSION 2109151
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//uncomment this if you have a "my_config.h" file you'd like to use
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//#define WLED_USE_MY_CONFIG
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