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add VCOMH fix

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This commit is contained in:
Proto-molecule 2022-01-17 23:26:36 -08:00
parent 0259e78b2f
commit da9bab16e1
1 changed files with 15 additions and 10 deletions
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25
usermods/usermod_v2_four_line_display_ALT/usermod_v2_four_line_display_ALT.h
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@ -118,6 +118,7 @@ class FourLineDisplayUsermod : public Usermod {
bool initDone = false;
// HW interface & configuration
typedef u8x8_t(*u8x8prt);
U8X8 *u8x8 = nullptr; // pointer to U8X8 display object
#ifndef FLD_SPI_DEFAULT
int8_t ioPin[5] = {FLD_PIN_SCL, FLD_PIN_SDA, -1, -1, -1}; // I2C pins: SCL, SDA
@ -136,7 +137,7 @@ class FourLineDisplayUsermod : public Usermod {
bool clockMode = false; // display clock
bool showSeconds = true; // display clock with seconds
bool enabled = true;
bool contrastFixForType3 = false;
bool contrastFix = false;
// Next variables hold the previous known values to determine if redraw is
// required.
@ -176,7 +177,7 @@ class FourLineDisplayUsermod : public Usermod {
static const char _clockMode[];
static const char _showSeconds[];
static const char _busClkFrequency[];
static const char _contrastFixForType3[];
static const char _contrastFix[];
// If display does not work or looks corrupted check the
// constructor reference:
@ -217,13 +218,8 @@ class FourLineDisplayUsermod : public Usermod {
lineHeight = 2;
break;
case SSD1306_64:
if (contrastFixForType3){
if (!isHW) u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_VCOMH0_SW_I2C(ioPin[0], ioPin[1]); // SCL, SDA, reset
else u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_VCOMH0_HW_I2C(U8X8_PIN_NONE, ioPin[0], ioPin[1]); // Pins are Reset, SCL, SDA
}else{
if (!isHW) u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_NONAME_SW_I2C(ioPin[0], ioPin[1]); // SCL, SDA, reset
else u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_NONAME_HW_I2C(U8X8_PIN_NONE, ioPin[0], ioPin[1]); // Pins are Reset, SCL, SDA
}
lineHeight = 2;
break;
case SSD1305:
@ -260,8 +256,10 @@ class FourLineDisplayUsermod : public Usermod {
initDone = true;
DEBUG_PRINTLN(F("Starting display."));
/*if (!(type == SSD1306_SPI || type == SSD1306_SPI64))*/ u8x8->setBusClock(ioFrequency); // can be used for SPI too
u8x8prt u8x8struct = u8x8->getU8x8();
u8x8->begin();
setFlipMode(flip);
setVcomh(u8x8struct);
setContrast(contrast); //Contrast setup will help to preserve OLED lifetime. In case OLED need to be brighter increase number up to 255
setPowerSave(0);
//drawString(0, 0, "Loading...");
@ -294,6 +292,13 @@ class FourLineDisplayUsermod : public Usermod {
if (type == NONE || !enabled) return;
u8x8->setFlipMode(mode);
}
void setVcomh(u8x8_t *u8x8_struct){
if(contrastFix){
u8x8_cad_StartTransfer(u8x8_struct);
u8x8_cad_SendCmd(u8x8_struct, 0x0db ); //address of value
u8x8_cad_SendArg(u8x8_struct, 0x000 ); //value 0 for fix, reboot resets default back to 64
u8x8_cad_EndTransfer(u8x8_struct);}
}
void setContrast(uint8_t contrast) {
if (type == NONE || !enabled) return;
u8x8->setContrast(contrast);
@ -851,7 +856,7 @@ class FourLineDisplayUsermod : public Usermod {
top["help4Type"] = F("1=SSD1306,2=SH1106,3=SSD1306_128x64,4=SSD1305,5=SSD1305_128x64,6=SSD1306_SPI,7=SSD1306_SPI_128x64"); // help for Settings page
top[FPSTR(_flip)] = (bool) flip;
top[FPSTR(_contrast)] = contrast;
top[FPSTR(_contrastFixForType3)] = (bool) contrastFixForType3;
top[FPSTR(_contrastFix)] = (bool) contrastFix;
top[FPSTR(_refreshRate)] = refreshRate;
top[FPSTR(_screenTimeOut)] = screenTimeout/1000;
top[FPSTR(_sleepMode)] = (bool) sleepMode;
@ -892,7 +897,7 @@ class FourLineDisplayUsermod : public Usermod {
sleepMode = top[FPSTR(_sleepMode)] | sleepMode;
clockMode = top[FPSTR(_clockMode)] | clockMode;
showSeconds = top[FPSTR(_showSeconds)] | showSeconds;
contrastFixForType3 = top[FPSTR(_contrastFixForType3)] | contrastFixForType3;
contrastFix = top[FPSTR(_contrastFix)] | contrastFix;
if (newType == SSD1306_SPI || newType == SSD1306_SPI64)
ioFrequency = min(20000, max(500, (int)(top[FPSTR(_busClkFrequency)] | ioFrequency/1000))) * 1000; // limit frequency
else
@ -953,4 +958,4 @@ const char FourLineDisplayUsermod::_sleepMode[] PROGMEM = "sleepMode";
const char FourLineDisplayUsermod::_clockMode[] PROGMEM = "clockMode";
const char FourLineDisplayUsermod::_showSeconds[] PROGMEM = "showSeconds";
const char FourLineDisplayUsermod::_busClkFrequency[] PROGMEM = "i2c-freq-kHz";
const char FourLineDisplayUsermod::_contrastFixForType3[] PROGMEM = "contrastFixForType3";
const char FourLineDisplayUsermod::_contrastFix[] PROGMEM = "contrastFix";