mirror of
https://github.com/Bodmer/TFT_eSPI.git
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Add half duplex SDA read to ESP32 S2
Add half duplex SDA read to ESP32 S2 (tested) Add new setup example for S2 and ST7735 with SDA pin Remove commented out code Raise version
This commit is contained in:
Bodmer
@ -64,29 +64,35 @@
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////////////////////////////////////////////////////////////////////////////////////////
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/***************************************************************************************
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** Function name: beginSDA
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** Description: Detach SPI from pin to permit software SPI
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** Function name: beginSDA - VSPI port only, FPSI port only for S2
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** Description: Detach MOSI and attach MISO to SDA for reads
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***************************************************************************************/
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void TFT_eSPI::begin_SDA_Read(void)
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{
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pinMatrixOutDetach(TFT_MOSI, false, false);
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pinMode(TFT_MOSI, INPUT);
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pinMatrixInAttach(TFT_MOSI, VSPIQ_IN_IDX, false);
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gpio_set_direction((gpio_num_t)TFT_MOSI, GPIO_MODE_INPUT);
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#ifdef CONFIG_IDF_TARGET_ESP32
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pinMatrixInAttach(TFT_MOSI, VSPIQ_IN_IDX, false);
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#else // S2
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pinMatrixInAttach(TFT_MOSI, FSPIQ_IN_IDX, false);
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#endif
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SET_BUS_READ_MODE;
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}
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/***************************************************************************************
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** Function name: endSDA
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** Description: Attach SPI pins after software SPI
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** Function name: endSDA - VSPI port only, FPSI port only for S2
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** Description: Attach MOSI to SDA and detach MISO for writes
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***************************************************************************************/
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void TFT_eSPI::end_SDA_Read(void)
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{
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pinMode(TFT_MOSI, OUTPUT);
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pinMatrixOutAttach(TFT_MOSI, VSPID_OUT_IDX, false, false);
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pinMode(TFT_MISO, INPUT);
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pinMatrixInAttach(TFT_MISO, VSPIQ_IN_IDX, false);
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gpio_set_direction((gpio_num_t)TFT_MOSI, GPIO_MODE_OUTPUT);
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#ifdef CONFIG_IDF_TARGET_ESP32
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pinMatrixOutAttach(TFT_MOSI, VSPID_OUT_IDX, false, false);
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#else // S2
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pinMatrixOutAttach(TFT_MOSI, FSPID_OUT_IDX, false, false);
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#endif
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SET_BUS_WRITE_MODE;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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#endif // #if defined (TFT_SDA_READ)
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////////////////////////////////////////////////////////////////////////////////////////
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@ -66,27 +66,24 @@
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////////////////////////////////////////////////////////////////////////////////////////
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/***************************************************************************************
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** Function name: beginSDA
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** Description: Detach SPI from pin to permit software SPI
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** Function name: beginSDA - FPSI port only
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** Description: Detach MOSI and attach MISO to SDA for reads
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***************************************************************************************/
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void TFT_eSPI::begin_SDA_Read(void)
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{
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pinMatrixOutDetach(TFT_MOSI, false, false);
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pinMode(TFT_MOSI, INPUT);
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pinMatrixInAttach(TFT_MOSI, VSPIQ_IN_IDX, false);
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gpio_set_direction((gpio_num_t)TFT_MOSI, GPIO_MODE_INPUT);
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pinMatrixInAttach(TFT_MOSI, FSPIQ_IN_IDX, false);
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SET_BUS_READ_MODE;
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}
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/***************************************************************************************
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** Function name: endSDA
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** Description: Attach SPI pins after software SPI
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** Function name: endSDA - FPSI port only
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** Description: Attach MOSI to SDA and detach MISO for writes
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***************************************************************************************/
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void TFT_eSPI::end_SDA_Read(void)
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{
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pinMode(TFT_MOSI, OUTPUT);
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pinMatrixOutAttach(TFT_MOSI, VSPID_OUT_IDX, false, false);
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pinMode(TFT_MISO, INPUT);
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pinMatrixInAttach(TFT_MISO, VSPIQ_IN_IDX, false);
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gpio_set_direction((gpio_num_t)TFT_MOSI, GPIO_MODE_OUTPUT);
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pinMatrixOutAttach(TFT_MOSI, FSPID_OUT_IDX, false, false);
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SET_BUS_WRITE_MODE;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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@ -57,27 +57,24 @@
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////////////////////////////////////////////////////////////////////////////////////////
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/***************************************************************************************
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** Function name: beginSDA
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** Description: Detach SPI from pin to permit software SPI
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** Function name: beginSDA - FPSI port only
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** Description: Detach MOSI and attach MISO to SDA for reads
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***************************************************************************************/
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void TFT_eSPI::begin_SDA_Read(void)
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{
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pinMatrixOutDetach(TFT_MOSI, false, false);
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pinMode(TFT_MOSI, INPUT);
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pinMatrixInAttach(TFT_MOSI, VSPIQ_IN_IDX, false);
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gpio_set_direction((gpio_num_t)TFT_MOSI, GPIO_MODE_INPUT);
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pinMatrixInAttach(TFT_MOSI, FSPIQ_IN_IDX, false);
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SET_BUS_READ_MODE;
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}
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/***************************************************************************************
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** Function name: endSDA
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** Description: Attach SPI pins after software SPI
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** Function name: endSDA - FPSI port only
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** Description: Attach MOSI to SDA and detach MISO for writes
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***************************************************************************************/
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void TFT_eSPI::end_SDA_Read(void)
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{
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pinMode(TFT_MOSI, OUTPUT);
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pinMatrixOutAttach(TFT_MOSI, VSPID_OUT_IDX, false, false);
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pinMode(TFT_MISO, INPUT);
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pinMatrixInAttach(TFT_MISO, VSPIQ_IN_IDX, false);
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gpio_set_direction((gpio_num_t)TFT_MOSI, GPIO_MODE_OUTPUT);
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pinMatrixOutAttach(TFT_MOSI, FSPID_OUT_IDX, false, false);
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SET_BUS_WRITE_MODE;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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127
TFT_eSPI.cpp
127
TFT_eSPI.cpp
@ -1181,6 +1181,13 @@ uint16_t TFT_eSPI::readPixel(int32_t x0, int32_t y0)
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#if defined (ST7796_DRIVER)
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// Read the 2 bytes
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color = ((tft_Read_8()) << 8) | (tft_Read_8());
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#elif defined (ST7735_DRIVER)
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// Read the 3 RGB bytes, colour is in LS 6 bits of the top 7 bits of each byte
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// as the TFT stores colours as 18 bits
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uint8_t r = tft_Read_8()<<1;
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uint8_t g = tft_Read_8()<<1;
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uint8_t b = tft_Read_8()<<1;
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color = color565(r, g, b);
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#else
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// Read the 3 RGB bytes, colour is actually only in the top 6 bits of each byte
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// as the TFT stores colours as 18 bits
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@ -1341,6 +1348,13 @@ void TFT_eSPI::readRect(int32_t x, int32_t y, int32_t w, int32_t h, uint16_t *da
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#if defined (ST7796_DRIVER)
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// Read the 2 bytes
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color = ((tft_Read_8()) << 8) | (tft_Read_8());
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#elif defined (ST7735_DRIVER)
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// Read the 3 RGB bytes, colour is in LS 6 bits of the top 7 bits of each byte
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// as the TFT stores colours as 18 bits
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uint8_t r = tft_Read_8()<<1;
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uint8_t g = tft_Read_8()<<1;
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uint8_t b = tft_Read_8()<<1;
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color = color565(r, g, b);
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#else
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// Read the 3 RGB bytes, colour is actually only in the top 6 bits of each byte
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// as the TFT stores colours as 18 bits
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@ -3885,7 +3899,7 @@ uint16_t TFT_eSPI::drawPixel(int32_t x, int32_t y, uint32_t color, uint8_t alpha
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** Function name: drawSmoothArc
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** Description: Draw a smooth arc clockwise from 6 o'clock
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***************************************************************************************/
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void TFT_eSPI::drawSmoothArc(int32_t x, int32_t y, int32_t r, int32_t ir, int32_t startAngle, int32_t endAngle, uint32_t fg_color, uint32_t bg_color, bool roundEnds)
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void TFT_eSPI::drawSmoothArc(int32_t x, int32_t y, int32_t r, int32_t ir, uint32_t startAngle, uint32_t endAngle, uint32_t fg_color, uint32_t bg_color, bool roundEnds)
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// Centre at x,y
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// r = arc outer radius, ir = arc inner radius. Inclusive so arc thickness = r - ir + 1
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// Angles in range 0-360
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@ -3980,39 +3994,35 @@ inline uint8_t TFT_eSPI::sqrt_fraction(uint32_t num) {
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// smooth is optional, default is true, smooth=false means no antialiasing
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// Note: Arc ends are not anti-aliased (use drawSmoothArc instead for that)
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void TFT_eSPI::drawArc(int32_t x, int32_t y, int32_t r, int32_t ir,
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int32_t startAngle, int32_t endAngle,
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uint32_t startAngle, uint32_t endAngle,
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uint32_t fg_color, uint32_t bg_color,
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bool smooth)
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{
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if (endAngle < startAngle) {
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// Arc sweeps through 6 o'clock so draw in two parts
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drawArc(x, y, r, ir, startAngle, 360, fg_color, bg_color, smooth);
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startAngle = 0;
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}
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if (endAngle > 360) endAngle = 360;
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if (startAngle > 360) startAngle = 360;
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if (_vpOoB || startAngle == endAngle) return;
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if (r < ir) transpose(r, ir); // Required that r > ir
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if (r <= 0 || ir < 0) return; // Invalid r, ir can be zero (circle sector)
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if (startAngle < 0) startAngle = 0;
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if (endAngle > 360) endAngle = 360;
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if (endAngle < startAngle) {
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// Arc sweeps through 6 o'clock so draw in two parts
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if (startAngle < 360) drawArc(x, y, r, ir, startAngle, 360, fg_color, bg_color, smooth);
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if (endAngle == 0) return;
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startAngle = 0;
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}
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inTransaction = true;
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int32_t xs = 0; // x start position for quadrant scan
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uint8_t alpha = 0; // alpha value for blending pixels
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int32_t xs = 0; // x start position for quadrant scan
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uint8_t alpha = 0; // alpha value for blending pixels
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uint32_t r2 = r * r; // Outer arc radius^2
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if (smooth) r++; // Outer AA zone radius
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if (smooth) r++; // Outer AA zone radius
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uint32_t r1 = r * r; // Outer AA radius^2
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int16_t w = r - ir; // Width of arc (r - ir + 1)
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int16_t w = r - ir; // Width of arc (r - ir + 1)
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uint32_t r3 = ir * ir; // Inner arc radius^2
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if (smooth) ir--; // Inner AA zone radius
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if (smooth) ir--; // Inner AA zone radius
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uint32_t r4 = ir * ir; // Inner AA radius^2
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// Float variants of adjusted inner and outer arc radii
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//float irf = ir;
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//float rf = r;
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// 1 | 2
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// ---¦--- Arc quadrant index
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// 0 | 3
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@ -4088,38 +4098,32 @@ void TFT_eSPI::drawArc(int32_t x, int32_t y, int32_t r, int32_t ir,
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// If in outer zone calculate alpha
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if (hyp > r2) {
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//alpha = (uint8_t)((rf - sqrtf(hyp)) * 255);
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alpha = ~sqrt_fraction(hyp); // Outer AA zone
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}
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// If within arc fill zone, get line start and lengths for each quadrant
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else if (hyp >= r3) {
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do {
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// Calculate U16.16 slope
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slope = ((r - cy) << 16)/(r - cx);
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if (slope <= startSlope[0] && slope >= endSlope[0]) { // slope hi -> lo
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xst[0] = cx; // Bottom left line end
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len[0]++;
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}
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if (slope >= startSlope[1] && slope <= endSlope[1]) { // slope lo -> hi
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xst[1] = cx; // Top left line end
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len[1]++;
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}
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if (slope <= startSlope[2] && slope >= endSlope[2]) { // slope hi -> lo
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xst[2] = cx; // Bottom right line start
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len[2]++;
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}
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if (slope <= endSlope[3] && slope >= startSlope[3]) { // slope lo -> hi
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xst[3] = cx; // Top right line start
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len[3]++;
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}
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cx++;
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} while ((r - cx) * (r - cx) + dy2 >= r3 && cx < r);
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cx--;
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// Calculate U16.16 slope
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slope = ((r - cy) << 16)/(r - cx);
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if (slope <= startSlope[0] && slope >= endSlope[0]) { // slope hi -> lo
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xst[0] = cx; // Bottom left line end
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len[0]++;
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}
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if (slope >= startSlope[1] && slope <= endSlope[1]) { // slope lo -> hi
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xst[1] = cx; // Top left line end
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len[1]++;
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}
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if (slope <= startSlope[2] && slope >= endSlope[2]) { // slope hi -> lo
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xst[2] = cx; // Bottom right line start
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len[2]++;
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}
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if (slope <= endSlope[3] && slope >= startSlope[3]) { // slope lo -> hi
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xst[3] = cx; // Top right line start
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len[3]++;
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}
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continue; // Next x
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}
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else {
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if (hyp <= r4) break; // Skip inner pixels
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//alpha = (uint8_t)((sqrtf(hyp) - irf) * 255.0);
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alpha = sqrt_fraction(hyp); // Inner AA zone
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}
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@ -4191,19 +4195,12 @@ void TFT_eSPI::fillSmoothCircle(int32_t x, int32_t y, int32_t r, uint32_t color,
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int32_t hyp2 = (r - cx) * (r - cx) + dy2;
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if (hyp2 <= r1) break;
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if (hyp2 >= r2) continue;
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//*
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uint8_t alpha = ~sqrt_fraction(hyp2);
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if (alpha > 246) break;
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xs = cx;
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if (alpha < 9) continue;
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//*/
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/*
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float alphaf = (float)r - sqrtf(hyp2);
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if (alphaf > HiAlphaTheshold) break;
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xs = cx;
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if (alphaf < LoAlphaTheshold) continue;
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uint8_t alpha = alphaf * 255;
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//*/
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if (bg_color == 0x00FFFFFF) {
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drawPixel(x + cx - r, y + cy - r, color, alpha, bg_color);
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drawPixel(x - cx + r, y + cy - r, color, alpha, bg_color);
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@ -4243,7 +4240,7 @@ void TFT_eSPI::drawSmoothRoundRect(int32_t x, int32_t y, int32_t r, int32_t ir,
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{
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if (_vpOoB) return;
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if (r < ir) transpose(r, ir); // Required that r > ir
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if (r <= 0 || ir < 0) return; // Invalid
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if (r <= 0 || ir < 0) return; // Invalid
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w -= 2*r;
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h -= 2*r;
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@ -4255,13 +4252,7 @@ void TFT_eSPI::drawSmoothRoundRect(int32_t x, int32_t y, int32_t r, int32_t ir,
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x += r;
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y += r;
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/*
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float alphaGain = 1.0;
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if (w != 0 || h != 0) {
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if (r - ir < 2) alphaGain = 1.5; // Boost brightness for thin lines
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if (r - ir < 1) alphaGain = 1.7;
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}
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*/
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uint16_t t = r - ir + 1;
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int32_t xs = 0;
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int32_t cx = 0;
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@ -4274,8 +4265,6 @@ void TFT_eSPI::drawSmoothRoundRect(int32_t x, int32_t y, int32_t r, int32_t ir,
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ir--;
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int32_t r4 = ir * ir; // Inner AA zone radius^2
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//float irf = ir;
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//float rf = r;
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uint8_t alpha = 0;
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// Scan top left quadrant x y r ir fg_color bg_color
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@ -4296,8 +4285,7 @@ void TFT_eSPI::drawSmoothRoundRect(int32_t x, int32_t y, int32_t r, int32_t ir,
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// If in outer zone calculate alpha
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if (hyp > r2) {
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alpha = ~sqrt_fraction(hyp);
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//alpha = (uint8_t)((rf - sqrtf(hyp)) * 255); // Outer AA zone
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alpha = ~sqrt_fraction(hyp); // Outer AA zone
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}
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// If within arc fill zone, get line lengths for each quadrant
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else if (hyp >= r3) {
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@ -4307,8 +4295,7 @@ void TFT_eSPI::drawSmoothRoundRect(int32_t x, int32_t y, int32_t r, int32_t ir,
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}
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else {
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if (hyp <= r4) break; // Skip inner pixels
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//alpha = (uint8_t)((sqrtf(hyp) - irf) * 255); // Inner AA zone
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alpha = sqrt_fraction(hyp);
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alpha = sqrt_fraction(hyp); // Inner AA zone
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}
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if (alpha < 16) continue; // Skip low alpha pixels
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@ -4379,13 +4366,7 @@ void TFT_eSPI::fillSmoothRoundRect(int32_t x, int32_t y, int32_t w, int32_t h, i
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if (alpha > 246) break;
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xs = cx;
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if (alpha < 9) continue;
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/*
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float alphaf = (float)r - sqrtf(hyp2);
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if (alphaf > HiAlphaTheshold) break;
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xs = cx;
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if (alphaf < LoAlphaTheshold) continue;
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uint8_t alpha = alphaf * 255;
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*/
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drawPixel(x + cx - r, y + cy - r, color, alpha, bg_color);
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drawPixel(x - cx + r + w, y + cy - r, color, alpha, bg_color);
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drawPixel(x - cx + r + w, y - cy + r + h, color, alpha, bg_color);
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17
TFT_eSPI.h
17
TFT_eSPI.h
@ -16,7 +16,7 @@
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#ifndef _TFT_eSPIH_
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#define _TFT_eSPIH_
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#define TFT_ESPI_VERSION "2.5.2"
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#define TFT_ESPI_VERSION "2.5.21"
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// Bit level feature flags
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// Bit 0 set: viewport capability
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@ -143,6 +143,17 @@
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#define SPI_BUSY_CHECK
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#endif
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// If half duplex SDA mode is defined then MISO pin should be -1
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#ifdef TFT_SDA_READ
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#ifdef TFT_MISO
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#if TFT_MISO != -1
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#undef TFT_MISO
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#define TFT_MISO -1
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#warning TFT_MISO set to -1
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#endif
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#endif
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#endif
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/***************************************************************************************
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||||
** Section 4: Setup fonts
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||||
***************************************************************************************/
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@ -528,12 +539,12 @@ class TFT_eSPI : public Print { friend class TFT_eSprite; // Sprite class has ac
|
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// By default the arc is drawn with square ends unless the "roundEnds" parameter is included and set true
|
||||
// Angle = 0 is at 6 o'clock position, 90 at 9 o'clock etc. The angles must be in range 0-360 or they will be clipped to these limits
|
||||
// The start angle may be larger than the end angle. Arcs are always drawn clockwise from the start angle.
|
||||
void drawSmoothArc(int32_t x, int32_t y, int32_t r, int32_t ir, int32_t startAngle, int32_t endAngle, uint32_t fg_color, uint32_t bg_color, bool roundEnds = false);
|
||||
void drawSmoothArc(int32_t x, int32_t y, int32_t r, int32_t ir, uint32_t startAngle, uint32_t endAngle, uint32_t fg_color, uint32_t bg_color, bool roundEnds = false);
|
||||
|
||||
// As per "drawSmoothArc" except the ends of the arc are NOT anti-aliased, this facilitates dynamic arc length changes with
|
||||
// arc segments and ensures clean segment joints.
|
||||
// The sides of the arc are anti-aliased by default. If smoothArc is false sides will NOT be anti-aliased
|
||||
void drawArc(int32_t x, int32_t y, int32_t r, int32_t ir, int32_t startAngle, int32_t endAngle, uint32_t fg_color, uint32_t bg_color, bool smoothArc = true);
|
||||
void drawArc(int32_t x, int32_t y, int32_t r, int32_t ir, uint32_t startAngle, uint32_t endAngle, uint32_t fg_color, uint32_t bg_color, bool smoothArc = true);
|
||||
|
||||
// Draw an anti-aliased filled circle at x, y with radius r
|
||||
// Note: The thickness of line is 3 pixels to reduce the visible "braiding" effect of anti-aliasing narrow lines
|
||||
|
||||
44
User_Setups/Setup70f_ESP32_S2_ST7735.h
Normal file
44
User_Setups/Setup70f_ESP32_S2_ST7735.h
Normal file
@ -0,0 +1,44 @@
|
||||
// Setup for the ESP32 S2 with ST7735 80x160 display
|
||||
// See SetupX_Template.h for all options available
|
||||
|
||||
#define USER_SETUP_ID 70
|
||||
|
||||
#define ST7735_DRIVER
|
||||
|
||||
#define TFT_SDA_READ // Display has a bidirectional SDA pin (no MISO)
|
||||
|
||||
#define TFT_WIDTH 80
|
||||
#define TFT_HEIGHT 160
|
||||
|
||||
#define ST7735_GREENTAB160x80
|
||||
//#define ST7735_REDTAB160x80
|
||||
|
||||
//#define TFT_RGB_ORDER TFT_RGB // Colour order Red-Green-Blue
|
||||
#define TFT_RGB_ORDER TFT_BGR // Colour order Blue-Green-Red
|
||||
|
||||
#define TFT_INVERSION_ON
|
||||
// #define TFT_INVERSION_OFF
|
||||
|
||||
// Typical board default pins
|
||||
#define TFT_CS 10 // 10 or 34
|
||||
|
||||
#define TFT_MOSI 11 // 11 or 35
|
||||
#define TFT_SCLK 12 // 12 or 36
|
||||
|
||||
#define TFT_DC 14
|
||||
#define TFT_RST 15
|
||||
|
||||
#define LOAD_GLCD
|
||||
#define LOAD_FONT2
|
||||
#define LOAD_FONT4
|
||||
#define LOAD_FONT6
|
||||
#define LOAD_FONT7
|
||||
#define LOAD_FONT8
|
||||
#define LOAD_GFXFF
|
||||
|
||||
#define SMOOTH_FONT
|
||||
|
||||
// FSPI port must be used for SDA reads. Do not use #define USE_HSPI_PORT
|
||||
|
||||
#define SPI_FREQUENCY 27000000
|
||||
#define SPI_READ_FREQUENCY 16000000
|
||||
@ -1,6 +1,6 @@
|
||||
{
|
||||
"name": "TFT_eSPI",
|
||||
"version": "2.5.2",
|
||||
"version": "2.5.21",
|
||||
"keywords": "Arduino, tft, display, ttgo, LilyPi, WT32-SC01, ePaper, display, Pico, RP2040 Nano Connect, RP2040, STM32, ESP8266, NodeMCU, ESP32, M5Stack, ILI9341, ST7735, ILI9163, S6D02A1, ILI9481, ILI9486, ILI9488, ST7789, ST7796, RM68140, SSD1351, SSD1963, ILI9225, HX8357D, GC9A01, R61581",
|
||||
"description": "A TFT and ePaper (SPI or parallel interface) graphics library with optimisation for Raspberry Pi Pico, RP2040, ESP8266, ESP32 and STM32 processors",
|
||||
"repository":
|
||||
|
||||
@ -1,5 +1,5 @@
|
||||
name=TFT_eSPI
|
||||
version=2.5.2
|
||||
version=2.5.21
|
||||
author=Bodmer
|
||||
maintainer=Bodmer
|
||||
sentence=TFT graphics library for Arduino processors with performance optimisation for RP2040, STM32, ESP8266 and ESP32
|
||||
|
||||
Reference in New Issue
Block a user