Dynamic vcomh fix.
New parameter autosave.
This commit is contained in:
Blaz Kristan
commit
b0b8bc7385
@ -119,6 +119,7 @@ class FourLineDisplayUsermod : public Usermod {
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// HW interface & configuration
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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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@ -126,6 +127,7 @@ class FourLineDisplayUsermod : public Usermod {
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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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uint32_t ioFrequency = 1000000; // in Hz (minimum is 500kHz, baseline is 1MHz and maximum should be 20MHz)
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#endif
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DisplayType type = FLD_TYPE; // display type
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bool flip = false; // flip display 180°
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uint8_t contrast = 10; // screen contrast
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@ -136,7 +138,7 @@ class FourLineDisplayUsermod : public Usermod {
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bool clockMode = false; // display clock
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bool showSeconds = true; // display clock with seconds
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bool enabled = true;
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bool contrastFixForType3 = false;
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bool contrastFix = false;
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// Next variables hold the previous known values to determine if redraw is
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// required.
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@ -176,7 +178,7 @@ class FourLineDisplayUsermod : public Usermod {
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static const char _clockMode[];
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static const char _showSeconds[];
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static const char _busClkFrequency[];
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static const char _contrastFixForType3[];
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static const char _contrastFix[];
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// If display does not work or looks corrupted check the
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// constructor reference:
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@ -184,6 +186,15 @@ class FourLineDisplayUsermod : public Usermod {
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// or check the gallery:
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// https://github.com/olikraus/u8g2/wiki/gallery
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// some displays need this to properly apply contrast
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void setVcomh(bool highContrast) {
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u8x8_t *u8x8_struct = u8x8->getU8x8();
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u8x8_cad_StartTransfer(u8x8_struct);
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u8x8_cad_SendCmd(u8x8_struct, 0x0db); //address of value
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u8x8_cad_SendArg(u8x8_struct, highContrast ? 0x000 : 0x040); //value 0 for fix, reboot resets default back to 64
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u8x8_cad_EndTransfer(u8x8_struct);
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}
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public:
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// gets called once at boot. Do all initialization that doesn't depend on
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@ -191,9 +202,9 @@ class FourLineDisplayUsermod : public Usermod {
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void setup() {
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if (type == NONE || !enabled) return;
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bool isHW;
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bool isHW, isSPI = (type == SSD1306_SPI || type == SSD1306_SPI64);
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PinOwner po = PinOwner::UM_FourLineDisplay;
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if (type == SSD1306_SPI || type == SSD1306_SPI64) {
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if (isSPI) {
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isHW = (ioPin[0]==HW_PIN_CLOCKSPI && ioPin[1]==HW_PIN_DATASPI);
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PinManagerPinType pins[5] = { { ioPin[0], true }, { ioPin[1], true }, { ioPin[2], true }, { ioPin[3], true }, { ioPin[4], true }};
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if (!pinManager.allocateMultiplePins(pins, 5, po)) { type=NONE; return; }
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@ -205,46 +216,72 @@ class FourLineDisplayUsermod : public Usermod {
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}
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DEBUG_PRINTLN(F("Allocating display."));
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/*
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// At some point it may be good to not new/delete U8X8 object but use this instead
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// (does not currently work)
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//-------------------------------------------------------------------------------
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switch (type) {
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case SSD1306:
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u8x8_Setup(u8x8.getU8x8(), u8x8_d_ssd1306_128x32_univision, u8x8_cad_ssd13xx_fast_i2c, u8x8_byte_arduino_sw_i2c, u8x8_gpio_and_delay_arduino);
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break;
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case SH1106:
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u8x8_Setup(u8x8.getU8x8(), u8x8_d_sh1106_128x64_winstar, u8x8_cad_ssd13xx_i2c, u8x8_byte_arduino_sw_i2c, u8x8_gpio_and_delay_arduino);
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break;
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case SSD1306_64:
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u8x8_Setup(u8x8.getU8x8(), u8x8_d_ssd1306_128x64_noname, u8x8_cad_ssd13xx_fast_i2c, u8x8_byte_arduino_sw_i2c, u8x8_gpio_and_delay_arduino);
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break;
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case SSD1305:
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u8x8_Setup(u8x8.getU8x8(), u8x8_d_ssd1305_128x32_adafruit, u8x8_cad_ssd13xx_i2c, u8x8_byte_arduino_hw_i2c, u8x8_gpio_and_delay_arduino);
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break;
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case SSD1305_64:
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u8x8_Setup(u8x8.getU8x8(), u8x8_d_ssd1305_128x64_adafruit, u8x8_cad_ssd13xx_i2c, u8x8_byte_arduino_sw_i2c, u8x8_gpio_and_delay_arduino);
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break;
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case SSD1306_SPI:
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u8x8_Setup(u8x8.getU8x8(), u8x8_d_ssd1306_128x32_univision, u8x8_cad_001, u8x8_byte_arduino_4wire_sw_spi, u8x8_gpio_and_delay_arduino);
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break;
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case SSD1306_SPI64:
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u8x8_Setup(u8x8.getU8x8(), u8x8_d_ssd1306_128x64_noname, u8x8_cad_001, u8x8_byte_arduino_4wire_sw_spi, u8x8_gpio_and_delay_arduino);
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break;
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default:
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type = NONE;
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return;
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}
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if (isSPI) {
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if (!isHW) u8x8_SetPin_4Wire_SW_SPI(u8x8.getU8x8(), ioPin[0], ioPin[1], ioPin[2], ioPin[3], ioPin[4]);
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else u8x8_SetPin_4Wire_HW_SPI(u8x8.getU8x8(), ioPin[2], ioPin[3], ioPin[4]); // Pins are cs, dc, reset
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} else {
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if (!isHW) u8x8_SetPin_SW_I2C(u8x8.getU8x8(), ioPin[0], ioPin[1], U8X8_PIN_NONE); // SCL, SDA, reset
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else u8x8_SetPin_HW_I2C(u8x8.getU8x8(), U8X8_PIN_NONE, ioPin[0], ioPin[1]); // Pins are Reset, SCL, SDA
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}
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*/
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switch (type) {
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case SSD1306:
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if (!isHW) u8x8 = (U8X8 *) new U8X8_SSD1306_128X32_UNIVISION_SW_I2C(ioPin[0], ioPin[1]); // SCL, SDA, reset
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else u8x8 = (U8X8 *) new U8X8_SSD1306_128X32_UNIVISION_HW_I2C(U8X8_PIN_NONE, ioPin[0], ioPin[1]); // Pins are Reset, SCL, SDA
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lineHeight = 1;
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break;
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case SH1106:
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if (!isHW) u8x8 = (U8X8 *) new U8X8_SH1106_128X64_WINSTAR_SW_I2C(ioPin[0], ioPin[1]); // SCL, SDA, reset
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else u8x8 = (U8X8 *) new U8X8_SH1106_128X64_WINSTAR_HW_I2C(U8X8_PIN_NONE, ioPin[0], ioPin[1]); // Pins are Reset, SCL, SDA
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lineHeight = 2;
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break;
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case SSD1306_64:
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if (contrastFixForType3){
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if (!isHW) u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_VCOMH0_SW_I2C(ioPin[0], ioPin[1]); // SCL, SDA, reset
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else u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_VCOMH0_HW_I2C(U8X8_PIN_NONE, ioPin[0], ioPin[1]); // Pins are Reset, SCL, SDA
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}else{
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if (!isHW) u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_NONAME_SW_I2C(ioPin[0], ioPin[1]); // SCL, SDA, reset
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else u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_NONAME_HW_I2C(U8X8_PIN_NONE, ioPin[0], ioPin[1]); // Pins are Reset, SCL, SDA
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}
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lineHeight = 2;
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if (!isHW) u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_NONAME_SW_I2C(ioPin[0], ioPin[1]); // SCL, SDA, reset
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else u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_NONAME_HW_I2C(U8X8_PIN_NONE, ioPin[0], ioPin[1]); // Pins are Reset, SCL, SDA
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break;
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case SSD1305:
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if (!isHW) u8x8 = (U8X8 *) new U8X8_SSD1305_128X32_NONAME_SW_I2C(ioPin[0], ioPin[1]); // SCL, SDA, reset
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else u8x8 = (U8X8 *) new U8X8_SSD1305_128X32_ADAFRUIT_HW_I2C(U8X8_PIN_NONE, ioPin[0], ioPin[1]); // Pins are Reset, SCL, SDA
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lineHeight = 1;
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break;
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case SSD1305_64:
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if (!isHW) u8x8 = (U8X8 *) new U8X8_SSD1305_128X64_ADAFRUIT_SW_I2C(ioPin[0], ioPin[1]); // SCL, SDA, reset
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else u8x8 = (U8X8 *) new U8X8_SSD1305_128X64_ADAFRUIT_HW_I2C(U8X8_PIN_NONE, ioPin[0], ioPin[1]); // Pins are Reset, SCL, SDA
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lineHeight = 2;
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break;
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case SSD1306_SPI:
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if (!isHW) u8x8 = (U8X8 *) new U8X8_SSD1306_128X32_UNIVISION_4W_SW_SPI(ioPin[0], ioPin[1], ioPin[2], ioPin[3], ioPin[4]);
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else u8x8 = (U8X8 *) new U8X8_SSD1306_128X32_UNIVISION_4W_HW_SPI(ioPin[2], ioPin[3], ioPin[4]); // Pins are cs, dc, reset
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lineHeight = 1;
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break;
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case SSD1306_SPI64:
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if (!isHW) u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_NONAME_4W_SW_SPI(ioPin[0], ioPin[1], ioPin[2], ioPin[3], ioPin[4]);
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else u8x8 = (U8X8 *) new U8X8_SSD1306_128X64_NONAME_4W_HW_SPI(ioPin[2], ioPin[3], ioPin[4]); // Pins are cs, dc, reset
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lineHeight = 2;
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break;
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default:
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u8x8 = nullptr;
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@ -252,20 +289,22 @@ class FourLineDisplayUsermod : public Usermod {
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if (nullptr == u8x8) {
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DEBUG_PRINTLN(F("Display init failed."));
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pinManager.deallocateMultiplePins((const uint8_t*)ioPin, (type == SSD1306_SPI || type == SSD1306_SPI64) ? 5 : 2, po);
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pinManager.deallocateMultiplePins((const uint8_t*)ioPin, isSPI ? 5 : 2, po);
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type = NONE;
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return;
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}
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initDone = true;
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lineHeight = u8x8->getRows() > 4 ? 2 : 1;
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DEBUG_PRINTLN(F("Starting display."));
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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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setVcomh(contrastFix);
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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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setPowerSave(0);
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//drawString(0, 0, "Loading...");
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overlayLogo(3500);
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initDone = true;
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}
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// gets called every time WiFi is (re-)connected. Initialize own network
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@ -852,7 +891,7 @@ class FourLineDisplayUsermod : public Usermod {
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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
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top[FPSTR(_flip)] = (bool) flip;
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top[FPSTR(_contrast)] = contrast;
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top[FPSTR(_contrastFixForType3)] = (bool) contrastFixForType3;
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top[FPSTR(_contrastFix)] = (bool) contrastFix;
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top[FPSTR(_refreshRate)] = refreshRate;
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top[FPSTR(_screenTimeOut)] = screenTimeout/1000;
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top[FPSTR(_sleepMode)] = (bool) sleepMode;
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@ -893,7 +932,7 @@ class FourLineDisplayUsermod : public Usermod {
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sleepMode = top[FPSTR(_sleepMode)] | sleepMode;
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clockMode = top[FPSTR(_clockMode)] | clockMode;
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showSeconds = top[FPSTR(_showSeconds)] | showSeconds;
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contrastFixForType3 = top[FPSTR(_contrastFixForType3)] | contrastFixForType3;
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contrastFix = top[FPSTR(_contrastFix)] | contrastFix;
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if (newType == SSD1306_SPI || newType == SSD1306_SPI64)
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ioFrequency = min(20000, max(500, (int)(top[FPSTR(_busClkFrequency)] | ioFrequency/1000))) * 1000; // limit frequency
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else
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@ -922,16 +961,18 @@ class FourLineDisplayUsermod : public Usermod {
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} else type = newType;
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setup();
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needsRedraw |= true;
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} else {
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u8x8->setBusClock(ioFrequency); // can be used for SPI too
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setVcomh(contrastFix);
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setContrast(contrast);
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setFlipMode(flip);
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}
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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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knownHour = 99;
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if (needsRedraw && !wakeDisplay()) redraw(true);
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else overlayLogo(3500);
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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[FPSTR(_refreshRate)].isNull();
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return !top[FPSTR(_contrastFix)].isNull();
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}
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/*
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@ -954,4 +995,4 @@ const char FourLineDisplayUsermod::_sleepMode[] PROGMEM = "sleepMode";
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const char FourLineDisplayUsermod::_clockMode[] PROGMEM = "clockMode";
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const char FourLineDisplayUsermod::_showSeconds[] PROGMEM = "showSeconds";
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const char FourLineDisplayUsermod::_busClkFrequency[] PROGMEM = "i2c-freq-kHz";
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const char FourLineDisplayUsermod::_contrastFixForType3[] PROGMEM = "contrastFixForType3";
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const char FourLineDisplayUsermod::_contrastFix[] PROGMEM = "contrastFix";
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