Jacob Horgan
Fork of https://os.mbed.com/users/sebastiken/code/Adafruit_RA8875/ ; Adapted for use with K64F and in the process of adding more functions.
Revision 3:4a3e169866a2, committed 2019-03-14
- Comitter:
- el16jh
- Date:
- Thu Mar 14 12:00:15 2019 +0000
- Parent:
- 2:040a687cea93
- Commit message:
- First publish of working Adafruit 7 TFT - RA8875 program
Changed in this revision
--- a/RA8875.cpp Fri Sep 08 16:30:24 2017 +0000
+++ b/RA8875.cpp Thu Mar 14 12:00:15 2019 +0000
@@ -10,17 +10,17 @@
The RA8875 is a TFT driver for up to 800x480 dotclock'd displays
It is tested to work with displays in the Adafruit shop. Other displays
may need timing adjustments and are not guanteed to work.
-
+
Adafruit invests time and resources providing this open
source code, please support Adafruit and open-source hardware
by purchasing products from Adafruit!
-
+
Written by Limor Fried/Ladyada for Adafruit Industries.
BSD license, check license.txt for more information.
All text above must be included in any redistribution.
@section HISTORY
-
+
v1.0 - First release
Code migrated to Mbed.
@@ -29,9 +29,9 @@
#include "RA8875.h"
#if defined (ARDUINO_ARCH_ARC32)
- uint32_t spi_speed = 12000000;
+uint32_t spi_speed = 12000000;
#else
- uint32_t spi_speed = 4000000;
+uint32_t spi_speed = 4000000;
#endif
// NOTE: MBed use transactions inside SPI class itself
@@ -57,15 +57,15 @@
/**************************************************************************/
/*!
Constructor for a new RA8875 instance
-
+
@args CS[in] Location of the SPI chip select pin
@args RST[in] Location of the reset pin
*/
/**************************************************************************/
Adafruit_RA8875::Adafruit_RA8875(PinName MOSI, PinName MISO, PinName SCLK,
- PinName CS, PinName RST)
+ PinName CS, PinName RST)
: //Adafruit_GFX(800, 480)
- _cs(CS)
+ _cs(CS)
, _rst(RST)
, spi(MOSI, MISO, SCLK)
{
@@ -74,27 +74,26 @@
/**************************************************************************/
/*!
Initialises the LCD driver and any HW required by the display
-
+
@args s[in] The display size, which can be either:
'RA8875_480x272' (4.3" displays) r
'RA8875_800x480' (5" and 7" displays)
*/
/**************************************************************************/
-bool Adafruit_RA8875::begin(enum RA8875sizes s) {
- _size = s;
+bool Adafruit_RA8875::begin(enum RA8875sizes s)
+{
+ _size = s;
if (_size == RA8875_480x272) {
- _width = 480;
- _height = 272;
+ _width = 480;
+ _height = 272;
+ } else if (_size == RA8875_800x480) {
+ _width = 800;
+ _height = 480;
+ } else {
+ return false;
}
- else if (_size == RA8875_800x480) {
- _width = 800;
- _height = 480;
- }
- else {
- return false;
- }
-
+
_cs = 1;
_rst = 0;
@@ -116,21 +115,21 @@
- initialize();
+ initialize();
#ifdef SPI_HAS_TRANSACTION
- #if defined (ARDUINO_ARCH_ARC32)
- spi_speed = 12000000L;
- #else
- spi_speed = 4000000L;
- #endif
+#if defined (ARDUINO_ARCH_ARC32)
+ spi_speed = 12000000L;
+#else
+ spi_speed = 4000000L;
+#endif
#else
- #ifdef __AVR__
- SPI.setClockDivider(SPI_CLOCK_DIV4);
- #endif
+#ifdef __AVR__
+ SPI.setClockDivider(SPI_CLOCK_DIV4);
#endif
-
- return true;
+#endif
+
+ return true;
}
/************************* Initialization *********************************/
@@ -140,11 +139,12 @@
Performs a SW-based reset of the RA8875
*/
/**************************************************************************/
-void Adafruit_RA8875::softReset(void) {
- writeCommand(RA8875_PWRR);
- writeData(RA8875_PWRR_SOFTRESET);
- writeData(RA8875_PWRR_NORMAL);
- wait_ms(1);
+void Adafruit_RA8875::softReset(void)
+{
+ writeCommand(RA8875_PWRR);
+ writeData(RA8875_PWRR_SOFTRESET);
+ writeData(RA8875_PWRR_NORMAL);
+ wait_ms(1);
}
/**************************************************************************/
@@ -152,19 +152,19 @@
Initialise the PLL
*/
/**************************************************************************/
-void Adafruit_RA8875::PLLinit(void) {
- if (_size == RA8875_480x272) {
- writeReg(RA8875_PLLC1, RA8875_PLLC1_PLLDIV1 + 10);
- wait_ms(1);
- writeReg(RA8875_PLLC2, RA8875_PLLC2_DIV4);
- wait_ms(1);
- }
- else /* (_size == RA8875_800x480) */ {
- writeReg(RA8875_PLLC1, RA8875_PLLC1_PLLDIV1 + 10);
- wait_ms(1);
- writeReg(RA8875_PLLC2, RA8875_PLLC2_DIV4);
- wait_ms(1);
- }
+void Adafruit_RA8875::PLLinit(void)
+{
+ if (_size == RA8875_480x272) {
+ writeReg(RA8875_PLLC1, RA8875_PLLC1_PLLDIV1 + 10);
+ wait_ms(1);
+ writeReg(RA8875_PLLC2, RA8875_PLLC2_DIV4);
+ wait_ms(1);
+ } else { /* (_size == RA8875_800x480) */
+ writeReg(RA8875_PLLC1, RA8875_PLLC1_PLLDIV1 + 10);
+ wait_ms(1);
+ writeReg(RA8875_PLLC2, RA8875_PLLC2_DIV4);
+ wait_ms(1);
+ }
}
/**************************************************************************/
@@ -172,90 +172,91 @@
Initialises the driver IC (clock setup, etc.)
*/
/**************************************************************************/
-void Adafruit_RA8875::initialize(void) {
- PLLinit();
- writeReg(RA8875_SYSR, RA8875_SYSR_16BPP | RA8875_SYSR_MCU8);
+void Adafruit_RA8875::initialize(void)
+{
+ PLLinit();
+ writeReg(RA8875_SYSR, RA8875_SYSR_16BPP | RA8875_SYSR_MCU8);
+
+ /* Timing values */
+ uint8_t pixclk;
+ uint8_t hsync_start;
+ uint8_t hsync_pw;
+ uint8_t hsync_finetune;
+ uint8_t hsync_nondisp;
+ uint8_t vsync_pw;
+ uint16_t vsync_nondisp;
+ uint16_t vsync_start;
- /* Timing values */
- uint8_t pixclk;
- uint8_t hsync_start;
- uint8_t hsync_pw;
- uint8_t hsync_finetune;
- uint8_t hsync_nondisp;
- uint8_t vsync_pw;
- uint16_t vsync_nondisp;
- uint16_t vsync_start;
+ /* Set the correct values for the display being used */
+ if (_size == RA8875_480x272) {
+ pixclk = RA8875_PCSR_PDATL | RA8875_PCSR_4CLK;
+ hsync_nondisp = 10;
+ hsync_start = 8;
+ hsync_pw = 48;
+ hsync_finetune = 0;
+ vsync_nondisp = 3;
+ vsync_start = 8;
+ vsync_pw = 10;
+ } else { // (_size == RA8875_800x480)
+ pixclk = RA8875_PCSR_PDATL | RA8875_PCSR_2CLK;
+ hsync_nondisp = 26;
+ hsync_start = 32;
+ hsync_pw = 96;
+ hsync_finetune = 0;
+ vsync_nondisp = 32;
+ vsync_start = 23;
+ vsync_pw = 2;
+ }
- /* Set the correct values for the display being used */
- if (_size == RA8875_480x272)
- {
- pixclk = RA8875_PCSR_PDATL | RA8875_PCSR_4CLK;
- hsync_nondisp = 10;
- hsync_start = 8;
- hsync_pw = 48;
- hsync_finetune = 0;
- vsync_nondisp = 3;
- vsync_start = 8;
- vsync_pw = 10;
- }
- else // (_size == RA8875_800x480)
- {
- pixclk = RA8875_PCSR_PDATL | RA8875_PCSR_2CLK;
- hsync_nondisp = 26;
- hsync_start = 32;
- hsync_pw = 96;
- hsync_finetune = 0;
- vsync_nondisp = 32;
- vsync_start = 23;
- vsync_pw = 2;
- }
+ writeReg(RA8875_PCSR, pixclk);
+ wait_ms(1);
+
+ /* Horizontal settings registers */
+ writeReg(RA8875_HDWR, (_width / 8) - 1); // H width: (HDWR + 1) * 8 = 480
+ writeReg(RA8875_HNDFTR, RA8875_HNDFTR_DE_HIGH + hsync_finetune);
+ writeReg(RA8875_HNDR, (hsync_nondisp - hsync_finetune - 2)/8); // H non-display: HNDR * 8 + HNDFTR + 2 = 10
+ writeReg(RA8875_HSTR, hsync_start/8 - 1); // Hsync start: (HSTR + 1)*8
+ writeReg(RA8875_HPWR, RA8875_HPWR_LOW + (hsync_pw/8 - 1)); // HSync pulse width = (HPWR+1) * 8
- writeReg(RA8875_PCSR, pixclk);
- wait_ms(1);
-
- /* Horizontal settings registers */
- writeReg(RA8875_HDWR, (_width / 8) - 1); // H width: (HDWR + 1) * 8 = 480
- writeReg(RA8875_HNDFTR, RA8875_HNDFTR_DE_HIGH + hsync_finetune);
- writeReg(RA8875_HNDR, (hsync_nondisp - hsync_finetune - 2)/8); // H non-display: HNDR * 8 + HNDFTR + 2 = 10
- writeReg(RA8875_HSTR, hsync_start/8 - 1); // Hsync start: (HSTR + 1)*8
- writeReg(RA8875_HPWR, RA8875_HPWR_LOW + (hsync_pw/8 - 1)); // HSync pulse width = (HPWR+1) * 8
-
- /* Vertical settings registers */
- writeReg(RA8875_VDHR0, (uint16_t)(_height - 1) & 0xFF);
- writeReg(RA8875_VDHR1, (uint16_t)(_height - 1) >> 8);
- writeReg(RA8875_VNDR0, vsync_nondisp-1); // V non-display period = VNDR + 1
- writeReg(RA8875_VNDR1, vsync_nondisp >> 8);
- writeReg(RA8875_VSTR0, vsync_start-1); // Vsync start position = VSTR + 1
- writeReg(RA8875_VSTR1, vsync_start >> 8);
- writeReg(RA8875_VPWR, RA8875_VPWR_LOW + vsync_pw - 1); // Vsync pulse width = VPWR + 1
-
- /* Set active window X */
- writeReg(RA8875_HSAW0, 0); // horizontal start point
- writeReg(RA8875_HSAW1, 0);
- writeReg(RA8875_HEAW0, (uint16_t)(_width - 1) & 0xFF); // horizontal end point
- writeReg(RA8875_HEAW1, (uint16_t)(_width - 1) >> 8);
-
- /* Set active window Y */
- writeReg(RA8875_VSAW0, 0); // vertical start point
- writeReg(RA8875_VSAW1, 0);
- writeReg(RA8875_VEAW0, (uint16_t)(_height - 1) & 0xFF); // horizontal end point
- writeReg(RA8875_VEAW1, (uint16_t)(_height - 1) >> 8);
-
- /* ToDo: Setup touch panel? */
-
- /* Clear the entire window */
- writeReg(RA8875_MCLR, RA8875_MCLR_START | RA8875_MCLR_FULL);
- wait_ms(500);
+ /* Vertical settings registers */
+ writeReg(RA8875_VDHR0, (uint16_t)(_height - 1) & 0xFF);
+ writeReg(RA8875_VDHR1, (uint16_t)(_height - 1) >> 8);
+ writeReg(RA8875_VNDR0, vsync_nondisp-1); // V non-display period = VNDR + 1
+ writeReg(RA8875_VNDR1, vsync_nondisp >> 8);
+ writeReg(RA8875_VSTR0, vsync_start-1); // Vsync start position = VSTR + 1
+ writeReg(RA8875_VSTR1, vsync_start >> 8);
+ writeReg(RA8875_VPWR, RA8875_VPWR_LOW + vsync_pw - 1); // Vsync pulse width = VPWR + 1
+
+ /* Set active window X */
+ writeReg(RA8875_HSAW0, 0); // horizontal start point
+ writeReg(RA8875_HSAW1, 0);
+ writeReg(RA8875_HEAW0, (uint16_t)(_width - 1) & 0xFF); // horizontal end point
+ writeReg(RA8875_HEAW1, (uint16_t)(_width - 1) >> 8);
+
+ /* Set active window Y */
+ writeReg(RA8875_VSAW0, 0); // vertical start point
+ writeReg(RA8875_VSAW1, 0);
+ writeReg(RA8875_VEAW0, (uint16_t)(_height - 1) & 0xFF); // horizontal end point
+ writeReg(RA8875_VEAW1, (uint16_t)(_height - 1) >> 8);
+
+ /* ToDo: Setup touch panel? */
+
+ /* Clear the entire window */
+ writeReg(RA8875_MCLR, RA8875_MCLR_START | RA8875_MCLR_FULL);
+ wait_ms(500);
}
/**************************************************************************/
/*!
Returns the display width in pixels
-
+
@returns The 1-based display width in pixels
*/
/**************************************************************************/
-uint16_t Adafruit_RA8875::width(void) { return _width; }
+uint16_t Adafruit_RA8875::width(void)
+{
+ return _width;
+}
/**************************************************************************/
/*!
@@ -264,7 +265,10 @@
@returns The 1-based display height in pixels
*/
/**************************************************************************/
-uint16_t Adafruit_RA8875::height(void) { return _height; }
+uint16_t Adafruit_RA8875::height(void)
+{
+ return _height;
+}
/************************* Text Mode ***********************************/
@@ -273,1027 +277,1030 @@
Sets the display in text mode (as opposed to graphics mode)
*/
/**************************************************************************/
-void Adafruit_RA8875::textMode(void)
+void Adafruit_RA8875::textMode(void)
{
- /* Set text mode */
- writeCommand(RA8875_MWCR0);
- uint8_t temp = readData();
- temp |= RA8875_MWCR0_TXTMODE; // Set bit 7
- writeData(temp);
-
- /* Select the internal (ROM) font */
- writeCommand(0x21);
- temp = readData();
- temp &= ~((1<<7) | (1<<5)); // Clear bits 7 and 5
- writeData(temp);
+ /* Set text mode */
+ writeCommand(RA8875_MWCR0);
+ uint8_t temp = readData();
+ temp |= RA8875_MWCR0_TXTMODE; // Set bit 7
+ writeData(temp);
+
+ /* Select the internal (ROM) font */
+ writeCommand(0x21);
+ temp = readData();
+ temp &= ~((1<<7) | (1<<5)); // Clear bits 7 and 5
+ writeData(temp);
}
/**************************************************************************/
/*!
Sets the display in text mode (as opposed to graphics mode)
-
+
@args x[in] The x position of the cursor (in pixels, 0..1023)
@args y[in] The y position of the cursor (in pixels, 0..511)
*/
/**************************************************************************/
-void Adafruit_RA8875::textSetCursor(uint16_t x, uint16_t y)
+void Adafruit_RA8875::textSetCursor(uint16_t x, uint16_t y)
{
- /* Set cursor location */
- writeCommand(0x2A);
- writeData(x & 0xFF);
- writeCommand(0x2B);
- writeData(x >> 8);
- writeCommand(0x2C);
- writeData(y & 0xFF);
- writeCommand(0x2D);
- writeData(y >> 8);
+ /* Set cursor location */
+ writeCommand(0x2A);
+ writeData(x & 0xFF);
+ writeCommand(0x2B);
+ writeData(x >> 8);
+ writeCommand(0x2C);
+ writeData(y & 0xFF);
+ writeCommand(0x2D);
+ writeData(y >> 8);
}
/**************************************************************************/
/*!
Sets the fore and background color when rendering text
-
+
@args foreColor[in] The RGB565 color to use when rendering the text
@args bgColor[in] The RGB565 colot to use for the background
*/
/**************************************************************************/
void Adafruit_RA8875::textColor(uint16_t foreColor, uint16_t bgColor)
{
- /* Set Fore Color */
- writeCommand(0x63);
- writeData((foreColor & 0xf800) >> 11);
- writeCommand(0x64);
- writeData((foreColor & 0x07e0) >> 5);
- writeCommand(0x65);
- writeData((foreColor & 0x001f));
-
- /* Set Background Color */
- writeCommand(0x60);
- writeData((bgColor & 0xf800) >> 11);
- writeCommand(0x61);
- writeData((bgColor & 0x07e0) >> 5);
- writeCommand(0x62);
- writeData((bgColor & 0x001f));
-
- /* Clear transparency flag */
- writeCommand(0x22);
- uint8_t temp = readData();
- temp &= ~(1<<6); // Clear bit 6
- writeData(temp);
+ if (foreColor == 0) {
+ // Sets the ForeColor to white //
+ writeCommand(0x63);
+ writeData((WHITE & 0xf800) >> 11);
+ writeCommand(0x64);
+ writeData((WHITE & 0x07e0) >> 5);
+ writeCommand(0x65);
+ writeData((WHITE & 0x001f));
+ } else {
+ /* Set Fore Color */
+ writeCommand(0x63);
+ writeData((foreColor & 0xf800) >> 11);
+ writeCommand(0x64);
+ writeData((foreColor & 0x07e0) >> 5);
+ writeCommand(0x65);
+ writeData((foreColor & 0x001f));
+ }
+
+ if (bgColor == 0) {
+ /* Set Background Color to black */
+ writeCommand(0x60);
+ writeData((BLACK & 0xf800) >> 11);
+ writeCommand(0x61);
+ writeData((BLACK & 0x07e0) >> 5);
+ writeCommand(0x62);
+ writeData((BLACK & 0x001f));
+ } else {
+ /* Set Background Color */
+ writeCommand(0x60);
+ writeData((bgColor & 0xf800) >> 11);
+ writeCommand(0x61);
+ writeData((bgColor & 0x07e0) >> 5);
+ writeCommand(0x62);
+ writeData((bgColor & 0x001f));
+ }
+
+
+ /* Clear transparency flag */
+ writeCommand(0x22);
+ uint8_t temp = readData();
+ temp &= ~(1<<6); // Clear bit 6
+ writeData(temp);
}
/**************************************************************************/
/*!
Sets the fore color when rendering text with a transparent bg
-
+
@args foreColor[in] The RGB565 color to use when rendering the text
*/
/**************************************************************************/
void Adafruit_RA8875::textTransparent(uint16_t foreColor)
{
- /* Set Fore Color */
- writeCommand(0x63);
- writeData((foreColor & 0xf800) >> 11);
- writeCommand(0x64);
- writeData((foreColor & 0x07e0) >> 5);
- writeCommand(0x65);
- writeData((foreColor & 0x001f));
-
- /* Set transparency flag */
- writeCommand(0x22);
- uint8_t temp = readData();
- temp |= (1<<6); // Set bit 6
- writeData(temp);
-}
-
-/**************************************************************************/
-/*!
- Sets the text enlarge settings, using one of the following values:
-
- 0 = 1x zoom
- 1 = 2x zoom
- 2 = 3x zoom
- 3 = 4x zoom
-
- @args scale[in] The zoom factor (0..3 for 1-4x zoom)
-*/
-/**************************************************************************/
-void Adafruit_RA8875::textEnlarge(uint8_t scale)
-{
- if (scale > 3) scale = 3;
-
- /* Set font size flags */
- writeCommand(0x22);
- uint8_t temp = readData();
- temp &= ~(0xF); // Clears bits 0..3
- temp |= scale << 2;
- temp |= scale;
- writeData(temp);
-
- _textScale = scale;
-}
-
-/**************************************************************************/
-/*!
- Renders some text on the screen when in text mode
-
- @args buffer[in] The buffer containing the characters to render
- @args len[in] The size of the buffer in bytes
-*/
-/**************************************************************************/
-void Adafruit_RA8875::textWrite(const char* buffer, uint16_t len)
-{
- if (len == 0) len = strlen(buffer);
- writeCommand(RA8875_MRWC);
- for (uint16_t i=0;i<len;i++)
- {
- writeData(buffer[i]);
-#if defined(__AVR__)
- if (_textScale > 1) wait_ms(1);
-#elif defined(__arm__)
- // This wait_ms is needed with textEnlarge(1) because
- // Teensy 3.X is much faster than Arduino Uno
- if (_textScale > 0) wait_ms(1);
-#endif
- }
-}
-
-/************************* Graphics ***********************************/
-
-/**************************************************************************/
-/*!
- Sets the display in graphics mode (as opposed to text mode)
-*/
-/**************************************************************************/
-void Adafruit_RA8875::graphicsMode(void) {
- writeCommand(RA8875_MWCR0);
- uint8_t temp = readData();
- temp &= ~RA8875_MWCR0_TXTMODE; // bit #7
- writeData(temp);
-}
-
-/**************************************************************************/
-/*!
- Waits for screen to finish by polling the status!
-*/
-/**************************************************************************/
-bool Adafruit_RA8875::waitPoll(uint8_t regname, uint8_t waitflag) {
- /* Wait for the command to finish */
- while (1)
- {
- uint8_t temp = readReg(regname);
- if (!(temp & waitflag))
- return true;
- }
- //return false; // MEMEFIX: yeah i know, unreached! - add timeout?
-}
-
-
-/**************************************************************************/
-/*!
- Sets the current X/Y position on the display before drawing
-
- @args x[in] The 0-based x location
- @args y[in] The 0-base y location
-*/
-/**************************************************************************/
-void Adafruit_RA8875::setXY(uint16_t x, uint16_t y) {
- writeReg(RA8875_CURH0, x);
- writeReg(RA8875_CURH1, x >> 8);
- writeReg(RA8875_CURV0, y);
- writeReg(RA8875_CURV1, y >> 8);
-}
-
-/**************************************************************************/
-/*!
- HW accelerated function to push a chunk of raw pixel data
-
- @args num[in] The number of pixels to push
- @args p[in] The pixel color to use
-*/
-/**************************************************************************/
-void Adafruit_RA8875::pushPixels(uint32_t num, uint16_t p) {
- _cs = 0;
-
- spi.write(RA8875_DATAWRITE);
- while (num--) {
- spi.write(p >> 8);
- spi.write(p);
- }
- _cs = 1;
-}
-
-/**************************************************************************/
-/*!
-
-*/
-/**************************************************************************/
-void Adafruit_RA8875::fillRect(void) {
- writeCommand(RA8875_DCR);
- writeData(RA8875_DCR_LINESQUTRI_STOP | RA8875_DCR_DRAWSQUARE);
- writeData(RA8875_DCR_LINESQUTRI_START | RA8875_DCR_FILL | RA8875_DCR_DRAWSQUARE);
-}
-
-/**************************************************************************/
-/*!
- Draws a single pixel at the specified location
-
- @args x[in] The 0-based x location
- @args y[in] The 0-base y location
- @args color[in] The RGB565 color to use when drawing the pixel
-*/
-/**************************************************************************/
-void Adafruit_RA8875::drawPixel(int16_t x, int16_t y, uint16_t color)
-{
- writeReg(RA8875_CURH0, x);
- writeReg(RA8875_CURH1, x >> 8);
- writeReg(RA8875_CURV0, y);
- writeReg(RA8875_CURV1, y >> 8);
- writeCommand(RA8875_MRWC);
- _cs = 0;
- spi.write(RA8875_DATAWRITE);
- spi.write(color >> 8);
- spi.write(color);
- _cs = 1;
-}
-
-/**************************************************************************/
-/*!
- Draws a HW accelerated line on the display
-
- @args x0[in] The 0-based starting x location
- @args y0[in] The 0-base starting y location
- @args x1[in] The 0-based ending x location
- @args y1[in] The 0-base ending y location
- @args color[in] The RGB565 color to use when drawing the pixel
-*/
-/**************************************************************************/
-void Adafruit_RA8875::drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color)
-{
- /* Set X */
- writeCommand(0x91);
- writeData(x0);
- writeCommand(0x92);
- writeData(x0 >> 8);
-
- /* Set Y */
- writeCommand(0x93);
- writeData(y0);
- writeCommand(0x94);
- writeData(y0 >> 8);
-
- /* Set X1 */
- writeCommand(0x95);
- writeData(x1);
- writeCommand(0x96);
- writeData((x1) >> 8);
-
- /* Set Y1 */
- writeCommand(0x97);
- writeData(y1);
- writeCommand(0x98);
- writeData((y1) >> 8);
-
- /* Set Color */
- writeCommand(0x63);
- writeData((color & 0xf800) >> 11);
- writeCommand(0x64);
- writeData((color & 0x07e0) >> 5);
- writeCommand(0x65);
- writeData((color & 0x001f));
+ /* Set Fore Color */
+ writeCommand(0x63);
+ writeData((foreColor & 0xf800) >> 11);
+ writeCommand(0x64);
+ writeData((foreColor & 0x07e0) >> 5);
+ writeCommand(0x65);
+ writeData((foreColor & 0x001f));
- /* Draw! */
- writeCommand(RA8875_DCR);
- writeData(0x80);
-
- /* Wait for the command to finish */
- waitPoll(RA8875_DCR, RA8875_DCR_LINESQUTRI_STATUS);
-}
-
-/**************************************************************************/
-/*!
-
-*/
-/**************************************************************************/
-void Adafruit_RA8875::drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color)
-{
- drawLine(x, y, x, y+h, color);
-}
-
-/**************************************************************************/
-/*!
-
-*/
-/**************************************************************************/
-void Adafruit_RA8875::drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color)
-{
- drawLine(x, y, x+w, y, color);
-}
-
-/**************************************************************************/
-/*!
- Draws a HW accelerated rectangle on the display
-
- @args x[in] The 0-based x location of the top-right corner
- @args y[in] The 0-based y location of the top-right corner
- @args w[in] The rectangle width
- @args h[in] The rectangle height
- @args color[in] The RGB565 color to use when drawing the pixel
-*/
-/**************************************************************************/
-/*
-void Adafruit_RA8875::drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color)
-{
- rectHelper(x, y, x+w, y+h, color, false);
-}
-*/
-/**************************************************************************/
-/*!
- Draws a HW accelerated filled rectangle on the display
-
- @args x[in] The 0-based x location of the top-right corner
- @args y[in] The 0-based y location of the top-right corner
- @args w[in] The rectangle width
- @args h[in] The rectangle height
- @args color[in] The RGB565 color to use when drawing the pixel
-*/
-/**************************************************************************/
-/*
-void Adafruit_RA8875::fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color)
-{
- rectHelper(x, y, x+w, y+h, color, true);
-}
-*/
-/**************************************************************************/
-/*!
- Fills the screen with the spefied RGB565 color
-
- @args color[in] The RGB565 color to use when drawing the pixel
-*/
-/**************************************************************************/
-
-void Adafruit_RA8875::fillScreen(uint16_t color)
-{
- rectHelper(0, 0, _width-1, _height-1, color, true);
-}
-
-/**************************************************************************/
-/*!
- Draws a HW accelerated circle on the display
-
- @args x[in] The 0-based x location of the center of the circle
- @args y[in] The 0-based y location of the center of the circle
- @args w[in] The circle's radius
- @args color[in] The RGB565 color to use when drawing the pixel
-*/
-/**************************************************************************/
-
-void Adafruit_RA8875::drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color)
-{
- circleHelper(x0, y0, r, color, false);
-}
-
-/**************************************************************************/
-/*!
- Draws a HW accelerated filled circle on the display
-
- @args x[in] The 0-based x location of the center of the circle
- @args y[in] The 0-based y location of the center of the circle
- @args w[in] The circle's radius
- @args color[in] The RGB565 color to use when drawing the pixel
-*/
-/**************************************************************************/
-
-void Adafruit_RA8875::fillCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color)
-{
- circleHelper(x0, y0, r, color, true);
-}
-
-/**************************************************************************/
-/*!
- Draws a HW accelerated triangle on the display
-
- @args x0[in] The 0-based x location of point 0 on the triangle
- @args y0[in] The 0-based y location of point 0 on the triangle
- @args x1[in] The 0-based x location of point 1 on the triangle
- @args y1[in] The 0-based y location of point 1 on the triangle
- @args x2[in] The 0-based x location of point 2 on the triangle
- @args y2[in] The 0-based y location of point 2 on the triangle
- @args color[in] The RGB565 color to use when drawing the pixel
-*/
-/**************************************************************************/
-
-void Adafruit_RA8875::drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color)
-{
- triangleHelper(x0, y0, x1, y1, x2, y2, color, false);
-}
-
-/**************************************************************************/
-/*!
- Draws a HW accelerated filled triangle on the display
-
- @args x0[in] The 0-based x location of point 0 on the triangle
- @args y0[in] The 0-based y location of point 0 on the triangle
- @args x1[in] The 0-based x location of point 1 on the triangle
- @args y1[in] The 0-based y location of point 1 on the triangle
- @args x2[in] The 0-based x location of point 2 on the triangle
- @args y2[in] The 0-based y location of point 2 on the triangle
- @args color[in] The RGB565 color to use when drawing the pixel
-*/
-/**************************************************************************/
-
-void Adafruit_RA8875::fillTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color)
-{
- triangleHelper(x0, y0, x1, y1, x2, y2, color, true);
-}
-
-/**************************************************************************/
-/*!
- Draws a HW accelerated ellipse on the display
-
- @args xCenter[in] The 0-based x location of the ellipse's center
- @args yCenter[in] The 0-based y location of the ellipse's center
- @args longAxis[in] The size in pixels of the ellipse's long axis
- @args shortAxis[in] The size in pixels of the ellipse's short axis
- @args color[in] The RGB565 color to use when drawing the pixel
-*/
-/**************************************************************************/
-
-void Adafruit_RA8875::drawEllipse(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint16_t color)
-{
- ellipseHelper(xCenter, yCenter, longAxis, shortAxis, color, false);
-}
-
-/**************************************************************************/
-/*!
- Draws a HW accelerated filled ellipse on the display
-
- @args xCenter[in] The 0-based x location of the ellipse's center
- @args yCenter[in] The 0-based y location of the ellipse's center
- @args longAxis[in] The size in pixels of the ellipse's long axis
- @args shortAxis[in] The size in pixels of the ellipse's short axis
- @args color[in] The RGB565 color to use when drawing the pixel
-*/
-/**************************************************************************/
-
-void Adafruit_RA8875::fillEllipse(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint16_t color)
-{
- ellipseHelper(xCenter, yCenter, longAxis, shortAxis, color, true);
-}
-
-/**************************************************************************/
-/*!
- Draws a HW accelerated curve on the display
-
- @args xCenter[in] The 0-based x location of the ellipse's center
- @args yCenter[in] The 0-based y location of the ellipse's center
- @args longAxis[in] The size in pixels of the ellipse's long axis
- @args shortAxis[in] The size in pixels of the ellipse's short axis
- @args curvePart[in] The corner to draw, where in clock-wise motion:
- 0 = 180-270°
- 1 = 270-0°
- 2 = 0-90°
- 3 = 90-180°
- @args color[in] The RGB565 color to use when drawing the pixel
-*/
-/**************************************************************************/
-
-void Adafruit_RA8875::drawCurve(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint8_t curvePart, uint16_t color)
-{
- curveHelper(xCenter, yCenter, longAxis, shortAxis, curvePart, color, false);
-}
-
-/**************************************************************************/
-/*!
- Draws a HW accelerated filled curve on the display
-
- @args xCenter[in] The 0-based x location of the ellipse's center
- @args yCenter[in] The 0-based y location of the ellipse's center
- @args longAxis[in] The size in pixels of the ellipse's long axis
- @args shortAxis[in] The size in pixels of the ellipse's short axis
- @args curvePart[in] The corner to draw, where in clock-wise motion:
- 0 = 180-270°
- 1 = 270-0°
- 2 = 0-90°
- 3 = 90-180°
- @args color[in] The RGB565 color to use when drawing the pixel
-*/
-/**************************************************************************/
-
-void Adafruit_RA8875::fillCurve(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint8_t curvePart, uint16_t color)
-{
- curveHelper(xCenter, yCenter, longAxis, shortAxis, curvePart, color, true);
+ /* Set transparency flag */
+ writeCommand(0x22);
+ uint8_t temp = readData();
+ temp |= (1<<6); // Set bit 6
+ writeData(temp);
}
-/**************************************************************************/
-/*!
- Helper function for higher level circle drawing code
-*/
-/**************************************************************************/
+ /**************************************************************************/
+ /*!
+ Sets the text enlarge settings, using one of the following values:
+
+ 0 = 1x zoom
+ 1 = 2x zoom
+ 2 = 3x zoom
+ 3 = 4x zoom
+
+ @args scale[in] The zoom factor (0..3 for 1-4x zoom)
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::textEnlarge(uint8_t scale) {
+ if (scale > 3) scale = 3;
+
+ /* Set font size flags */
+ writeCommand(0x22);
+ uint8_t temp = readData();
+ temp &= ~(0xF); // Clears bits 0..3
+ temp |= scale << 2;
+ temp |= scale;
+ writeData(temp);
+
+ _textScale = scale;
+ }
+
+ /**************************************************************************/
+ /*!
+ Renders some text on the screen when in text mode
+
+ @args buffer[in] The buffer containing the characters to render
+ @args len[in] The size of the buffer in bytes
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::textWrite(const char* buffer, uint16_t len) {
+ if (len == 0) len = strlen(buffer);
+ writeCommand(RA8875_MRWC);
+ for (uint16_t i=0; i<len; i++) {
+ writeData(buffer[i]);
+#if defined(__AVR__)
+ if (_textScale > 1) wait_ms(1);
+#elif defined(__arm__)
+ // This wait_ms is needed with textEnlarge(1) because
+ // Teensy 3.X is much faster than Arduino Uno
+ if (_textScale > 0) wait_ms(1);
+#endif
+ }
+ }
-void Adafruit_RA8875::circleHelper(int16_t x0, int16_t y0, int16_t r, uint16_t color, bool filled)
-{
- /* Set X */
- writeCommand(0x99);
- writeData(x0);
- writeCommand(0x9a);
- writeData(x0 >> 8);
-
- /* Set Y */
- writeCommand(0x9b);
- writeData(y0);
- writeCommand(0x9c);
- writeData(y0 >> 8);
-
- /* Set Radius */
- writeCommand(0x9d);
- writeData(r);
-
- /* Set Color */
- writeCommand(0x63);
- writeData((color & 0xf800) >> 11);
- writeCommand(0x64);
- writeData((color & 0x07e0) >> 5);
- writeCommand(0x65);
- writeData((color & 0x001f));
-
- /* Draw! */
- writeCommand(RA8875_DCR);
- if (filled)
- {
- writeData(RA8875_DCR_CIRCLE_START | RA8875_DCR_FILL);
- }
- else
- {
- writeData(RA8875_DCR_CIRCLE_START | RA8875_DCR_NOFILL);
- }
-
- /* Wait for the command to finish */
- waitPoll(RA8875_DCR, RA8875_DCR_CIRCLE_STATUS);
-}
+ void Adafruit_RA8875::textWritePro(uint16_t x, uint16_t y, uint16_t foreColor, uint16_t bgColor, const char* buffer, uint16_t len) {
+ textMode();
+ textSetCursor(x,y);
+ textColor(foreColor, bgColor);
+ textWrite(buffer, len);
+ }
+
+
+ /************************* Graphics ***********************************/
+
+ /**************************************************************************/
+ /*!
+ Sets the display in graphics mode (as opposed to text mode)
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::graphicsMode(void) {
+ writeCommand(RA8875_MWCR0);
+ uint8_t temp = readData();
+ temp &= ~RA8875_MWCR0_TXTMODE; // bit #7
+ writeData(temp);
+ }
+
+ /**************************************************************************/
+ /*!
+ Waits for screen to finish by polling the status!
+ */
+ /**************************************************************************/
+ bool Adafruit_RA8875::waitPoll(uint8_t regname, uint8_t waitflag) {
+ /* Wait for the command to finish */
+ while (1) {
+ uint8_t temp = readReg(regname);
+ if (!(temp & waitflag))
+ return true;
+ }
+ //return false; // MEMEFIX: yeah i know, unreached! - add timeout?
+ }
+
+
+ /**************************************************************************/
+ /*!
+ Sets the current X/Y position on the display before drawing
+
+ @args x[in] The 0-based x location
+ @args y[in] The 0-base y location
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::setXY(uint16_t x, uint16_t y) {
+ writeReg(RA8875_CURH0, x);
+ writeReg(RA8875_CURH1, x >> 8);
+ writeReg(RA8875_CURV0, y);
+ writeReg(RA8875_CURV1, y >> 8);
+ }
+
+ /**************************************************************************/
+ /*!
+ HW accelerated function to push a chunk of raw pixel data
-/**************************************************************************/
-/*!
- Helper function for higher level rectangle drawing code
-*/
-/**************************************************************************/
-void Adafruit_RA8875::rectHelper(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color, bool filled)
-{
- /* Set X */
- writeCommand(0x91);
- writeData(x);
- writeCommand(0x92);
- writeData(x >> 8);
-
- /* Set Y */
- writeCommand(0x93);
- writeData(y);
- writeCommand(0x94);
- writeData(y >> 8);
-
- /* Set X1 */
- writeCommand(0x95);
- writeData(w);
- writeCommand(0x96);
- writeData((w) >> 8);
-
- /* Set Y1 */
- writeCommand(0x97);
- writeData(h);
- writeCommand(0x98);
- writeData((h) >> 8);
+ @args num[in] The number of pixels to push
+ @args p[in] The pixel color to use
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::pushPixels(uint32_t num, uint16_t p) {
+ _cs = 0;
+
+ spi.write(RA8875_DATAWRITE);
+ while (num--) {
+ spi.write(p >> 8);
+ spi.write(p);
+ }
+ _cs = 1;
+ }
+
+ /**************************************************************************/
+ /*!
+
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::fillRect(void) {
+ writeCommand(RA8875_DCR);
+ writeData(RA8875_DCR_LINESQUTRI_STOP | RA8875_DCR_DRAWSQUARE);
+ writeData(RA8875_DCR_LINESQUTRI_START | RA8875_DCR_FILL | RA8875_DCR_DRAWSQUARE);
+ }
+
+ /**************************************************************************/
+ /*!
+ Draws a single pixel at the specified location
+
+ @args x[in] The 0-based x location
+ @args y[in] The 0-base y location
+ @args color[in] The RGB565 color to use when drawing the pixel
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::drawPixel(int16_t x, int16_t y, uint16_t color) {
+ writeReg(RA8875_CURH0, x);
+ writeReg(RA8875_CURH1, x >> 8);
+ writeReg(RA8875_CURV0, y);
+ writeReg(RA8875_CURV1, y >> 8);
+ writeCommand(RA8875_MRWC);
+ _cs = 0;
+ spi.write(RA8875_DATAWRITE);
+ spi.write(color >> 8);
+ spi.write(color);
+ _cs = 1;
+ }
+
+ /**************************************************************************/
+ /*!
+ Draws a HW accelerated line on the display
- /* Set Color */
- writeCommand(0x63);
- writeData((color & 0xf800) >> 11);
- writeCommand(0x64);
- writeData((color & 0x07e0) >> 5);
- writeCommand(0x65);
- writeData((color & 0x001f));
+ @args x0[in] The 0-based starting x location
+ @args y0[in] The 0-base starting y location
+ @args x1[in] The 0-based ending x location
+ @args y1[in] The 0-base ending y location
+ @args color[in] The RGB565 color to use when drawing the pixel
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color) {
+ /* Set X */
+ writeCommand(0x91);
+ writeData(x0);
+ writeCommand(0x92);
+ writeData(x0 >> 8);
+
+ /* Set Y */
+ writeCommand(0x93);
+ writeData(y0);
+ writeCommand(0x94);
+ writeData(y0 >> 8);
+
+ /* Set X1 */
+ writeCommand(0x95);
+ writeData(x1);
+ writeCommand(0x96);
+ writeData((x1) >> 8);
+
+ /* Set Y1 */
+ writeCommand(0x97);
+ writeData(y1);
+ writeCommand(0x98);
+ writeData((y1) >> 8);
- /* Draw! */
- writeCommand(RA8875_DCR);
- if (filled)
- {
- writeData(0xB0);
- }
- else
- {
- writeData(0x90);
- }
-
- /* Wait for the command to finish */
- waitPoll(RA8875_DCR, RA8875_DCR_LINESQUTRI_STATUS);
-}
+ /* Set Color */
+ writeCommand(0x63);
+ writeData((color & 0xf800) >> 11);
+ writeCommand(0x64);
+ writeData((color & 0x07e0) >> 5);
+ writeCommand(0x65);
+ writeData((color & 0x001f));
+
+ /* Draw! */
+ writeCommand(RA8875_DCR);
+ writeData(0x80);
+
+ /* Wait for the command to finish */
+ waitPoll(RA8875_DCR, RA8875_DCR_LINESQUTRI_STATUS);
+ }
-/**************************************************************************/
-/*!
- Helper function for higher level triangle drawing code
-*/
-/**************************************************************************/
-void Adafruit_RA8875::triangleHelper(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color, bool filled)
-{
- /* Set Point 0 */
- writeCommand(0x91);
- writeData(x0);
- writeCommand(0x92);
- writeData(x0 >> 8);
- writeCommand(0x93);
- writeData(y0);
- writeCommand(0x94);
- writeData(y0 >> 8);
+ /**************************************************************************/
+ /*!
+
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color) {
+ drawLine(x, y, x, y+h, color);
+ }
+
+ /**************************************************************************/
+ /*!
+
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color) {
+ drawLine(x, y, x+w, y, color);
+ }
- /* Set Point 1 */
- writeCommand(0x95);
- writeData(x1);
- writeCommand(0x96);
- writeData(x1 >> 8);
- writeCommand(0x97);
- writeData(y1);
- writeCommand(0x98);
- writeData(y1 >> 8);
+ /**************************************************************************/
+ /*!
+ Draws a HW accelerated rectangle on the display
+
+ @args x[in] The 0-based x location of the top-right corner
+ @args y[in] The 0-based y location of the top-right corner
+ @args w[in] The rectangle width
+ @args h[in] The rectangle height
+ @args color[in] The RGB565 color to use when drawing the pixel
+ */
+ /**************************************************************************/
+ /*
+ void Adafruit_RA8875::drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color)
+ {
+ rectHelper(x, y, x+w, y+h, color, false);
+ }
+ */
+ /**************************************************************************/
+ /*!
+ Draws a HW accelerated filled rectangle on the display
+
+ @args x[in] The 0-based x location of the top-right corner
+ @args y[in] The 0-based y location of the top-right corner
+ @args w[in] The rectangle width
+ @args h[in] The rectangle height
+ @args color[in] The RGB565 color to use when drawing the pixel
+ */
+ /**************************************************************************/
+ /*
+ void Adafruit_RA8875::fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color)
+ {
+ rectHelper(x, y, x+w, y+h, color, true);
+ }
+ */
+ /**************************************************************************/
+ /*!
+ Fills the screen with the spefied RGB565 color
+
+ @args color[in] The RGB565 color to use when drawing the pixel
+ */
+ /**************************************************************************/
+
+ void Adafruit_RA8875::fillScreen(uint16_t color) {
+ rectHelper(0, 0, _width-1, _height-1, color, true);
+ }
+
+ /**************************************************************************/
+ /*!
+ Draws a HW accelerated circle on the display
- /* Set Point 2 */
- writeCommand(0xA9);
- writeData(x2);
- writeCommand(0xAA);
- writeData(x2 >> 8);
- writeCommand(0xAB);
- writeData(y2);
- writeCommand(0xAC);
- writeData(y2 >> 8);
-
- /* Set Color */
- writeCommand(0x63);
- writeData((color & 0xf800) >> 11);
- writeCommand(0x64);
- writeData((color & 0x07e0) >> 5);
- writeCommand(0x65);
- writeData((color & 0x001f));
-
- /* Draw! */
- writeCommand(RA8875_DCR);
- if (filled)
- {
- writeData(0xA1);
- }
- else
- {
- writeData(0x81);
- }
-
- /* Wait for the command to finish */
- waitPoll(RA8875_DCR, RA8875_DCR_LINESQUTRI_STATUS);
-}
+ @args x[in] The 0-based x location of the center of the circle
+ @args y[in] The 0-based y location of the center of the circle
+ @args w[in] The circle's radius
+ @args color[in] The RGB565 color to use when drawing the pixel
+ */
+ /**************************************************************************/
+
+ void Adafruit_RA8875::drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color) {
+ circleHelper(x0, y0, r, color, false);
+ }
+
+ /**************************************************************************/
+ /*!
+ Draws a HW accelerated filled circle on the display
+
+ @args x[in] The 0-based x location of the center of the circle
+ @args y[in] The 0-based y location of the center of the circle
+ @args w[in] The circle's radius
+ @args color[in] The RGB565 color to use when drawing the pixel
+ */
+ /**************************************************************************/
+
+ void Adafruit_RA8875::fillCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color) {
+ circleHelper(x0, y0, r, color, true);
+ }
+
+ /**************************************************************************/
+ /*!
+ Draws a HW accelerated triangle on the display
-/**************************************************************************/
-/*!
- Helper function for higher level ellipse drawing code
-*/
-/**************************************************************************/
-void Adafruit_RA8875::ellipseHelper(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint16_t color, bool filled)
-{
- /* Set Center Point */
- writeCommand(0xA5);
- writeData(xCenter);
- writeCommand(0xA6);
- writeData(xCenter >> 8);
- writeCommand(0xA7);
- writeData(yCenter);
- writeCommand(0xA8);
- writeData(yCenter >> 8);
+ @args x0[in] The 0-based x location of point 0 on the triangle
+ @args y0[in] The 0-based y location of point 0 on the triangle
+ @args x1[in] The 0-based x location of point 1 on the triangle
+ @args y1[in] The 0-based y location of point 1 on the triangle
+ @args x2[in] The 0-based x location of point 2 on the triangle
+ @args y2[in] The 0-based y location of point 2 on the triangle
+ @args color[in] The RGB565 color to use when drawing the pixel
+ */
+ /**************************************************************************/
+
+ void Adafruit_RA8875::drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color) {
+ triangleHelper(x0, y0, x1, y1, x2, y2, color, false);
+ }
+
+ /**************************************************************************/
+ /*!
+ Draws a HW accelerated filled triangle on the display
+
+ @args x0[in] The 0-based x location of point 0 on the triangle
+ @args y0[in] The 0-based y location of point 0 on the triangle
+ @args x1[in] The 0-based x location of point 1 on the triangle
+ @args y1[in] The 0-based y location of point 1 on the triangle
+ @args x2[in] The 0-based x location of point 2 on the triangle
+ @args y2[in] The 0-based y location of point 2 on the triangle
+ @args color[in] The RGB565 color to use when drawing the pixel
+ */
+ /**************************************************************************/
+
+ void Adafruit_RA8875::fillTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color) {
+ triangleHelper(x0, y0, x1, y1, x2, y2, color, true);
+ }
- /* Set Long and Short Axis */
- writeCommand(0xA1);
- writeData(longAxis);
- writeCommand(0xA2);
- writeData(longAxis >> 8);
- writeCommand(0xA3);
- writeData(shortAxis);
- writeCommand(0xA4);
- writeData(shortAxis >> 8);
-
- /* Set Color */
- writeCommand(0x63);
- writeData((color & 0xf800) >> 11);
- writeCommand(0x64);
- writeData((color & 0x07e0) >> 5);
- writeCommand(0x65);
- writeData((color & 0x001f));
-
- /* Draw! */
- writeCommand(0xA0);
- if (filled)
- {
- writeData(0xC0);
- }
- else
- {
- writeData(0x80);
- }
-
- /* Wait for the command to finish */
- waitPoll(RA8875_ELLIPSE, RA8875_ELLIPSE_STATUS);
-}
+ /**************************************************************************/
+ /*!
+ Draws a HW accelerated ellipse on the display
+
+ @args xCenter[in] The 0-based x location of the ellipse's center
+ @args yCenter[in] The 0-based y location of the ellipse's center
+ @args longAxis[in] The size in pixels of the ellipse's long axis
+ @args shortAxis[in] The size in pixels of the ellipse's short axis
+ @args color[in] The RGB565 color to use when drawing the pixel
+ */
+ /**************************************************************************/
+
+ void Adafruit_RA8875::drawEllipse(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint16_t color) {
+ ellipseHelper(xCenter, yCenter, longAxis, shortAxis, color, false);
+ }
+
+ /**************************************************************************/
+ /*!
+ Draws a HW accelerated filled ellipse on the display
+
+ @args xCenter[in] The 0-based x location of the ellipse's center
+ @args yCenter[in] The 0-based y location of the ellipse's center
+ @args longAxis[in] The size in pixels of the ellipse's long axis
+ @args shortAxis[in] The size in pixels of the ellipse's short axis
+ @args color[in] The RGB565 color to use when drawing the pixel
+ */
+ /**************************************************************************/
+
+ void Adafruit_RA8875::fillEllipse(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint16_t color) {
+ ellipseHelper(xCenter, yCenter, longAxis, shortAxis, color, true);
+ }
+
+ /**************************************************************************/
+ /*!
+ Draws a HW accelerated curve on the display
+
+ @args xCenter[in] The 0-based x location of the ellipse's center
+ @args yCenter[in] The 0-based y location of the ellipse's center
+ @args longAxis[in] The size in pixels of the ellipse's long axis
+ @args shortAxis[in] The size in pixels of the ellipse's short axis
+ @args curvePart[in] The corner to draw, where in clock-wise motion:
+ 0 = 180-270°
+ 1 = 270-0°
+ 2 = 0-90°
+ 3 = 90-180°
+ @args color[in] The RGB565 color to use when drawing the pixel
+ */
+ /**************************************************************************/
+
+ void Adafruit_RA8875::drawCurve(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint8_t curvePart, uint16_t color) {
+ curveHelper(xCenter, yCenter, longAxis, shortAxis, curvePart, color, false);
+ }
+
+ /**************************************************************************/
+ /*!
+ Draws a HW accelerated filled curve on the display
-/**************************************************************************/
-/*!
- Helper function for higher level curve drawing code
-*/
-/**************************************************************************/
-void Adafruit_RA8875::curveHelper(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint8_t curvePart, uint16_t color, bool filled)
-{
- /* Set Center Point */
- writeCommand(0xA5);
- writeData(xCenter);
- writeCommand(0xA6);
- writeData(xCenter >> 8);
- writeCommand(0xA7);
- writeData(yCenter);
- writeCommand(0xA8);
- writeData(yCenter >> 8);
+ @args xCenter[in] The 0-based x location of the ellipse's center
+ @args yCenter[in] The 0-based y location of the ellipse's center
+ @args longAxis[in] The size in pixels of the ellipse's long axis
+ @args shortAxis[in] The size in pixels of the ellipse's short axis
+ @args curvePart[in] The corner to draw, where in clock-wise motion:
+ 0 = 180-270°
+ 1 = 270-0°
+ 2 = 0-90°
+ 3 = 90-180°
+ @args color[in] The RGB565 color to use when drawing the pixel
+ */
+ /**************************************************************************/
+
+ void Adafruit_RA8875::fillCurve(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint8_t curvePart, uint16_t color) {
+ curveHelper(xCenter, yCenter, longAxis, shortAxis, curvePart, color, true);
+ }
+
+ /**************************************************************************/
+ /*!
+ Helper function for higher level circle drawing code
+ */
+ /**************************************************************************/
+
+ void Adafruit_RA8875::circleHelper(int16_t x0, int16_t y0, int16_t r, uint16_t color, bool filled) {
+ /* Set X */
+ writeCommand(0x99);
+ writeData(x0);
+ writeCommand(0x9a);
+ writeData(x0 >> 8);
- /* Set Long and Short Axis */
- writeCommand(0xA1);
- writeData(longAxis);
- writeCommand(0xA2);
- writeData(longAxis >> 8);
- writeCommand(0xA3);
- writeData(shortAxis);
- writeCommand(0xA4);
- writeData(shortAxis >> 8);
-
- /* Set Color */
- writeCommand(0x63);
- writeData((color & 0xf800) >> 11);
- writeCommand(0x64);
- writeData((color & 0x07e0) >> 5);
- writeCommand(0x65);
- writeData((color & 0x001f));
+ /* Set Y */
+ writeCommand(0x9b);
+ writeData(y0);
+ writeCommand(0x9c);
+ writeData(y0 >> 8);
+
+ /* Set Radius */
+ writeCommand(0x9d);
+ writeData(r);
+
+ /* Set Color */
+ writeCommand(0x63);
+ writeData((color & 0xf800) >> 11);
+ writeCommand(0x64);
+ writeData((color & 0x07e0) >> 5);
+ writeCommand(0x65);
+ writeData((color & 0x001f));
+
+ /* Draw! */
+ writeCommand(RA8875_DCR);
+ if (filled) {
+ writeData(RA8875_DCR_CIRCLE_START | RA8875_DCR_FILL);
+ } else {
+ writeData(RA8875_DCR_CIRCLE_START | RA8875_DCR_NOFILL);
+ }
+
+ /* Wait for the command to finish */
+ waitPoll(RA8875_DCR, RA8875_DCR_CIRCLE_STATUS);
+ }
- /* Draw! */
- writeCommand(0xA0);
- if (filled)
- {
- writeData(0xD0 | (curvePart & 0x03));
- }
- else
- {
- writeData(0x90 | (curvePart & 0x03));
- }
-
- /* Wait for the command to finish */
- waitPoll(RA8875_ELLIPSE, RA8875_ELLIPSE_STATUS);
-}
+ /**************************************************************************/
+ /*!
+ Helper function for higher level rectangle drawing code
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::rectHelper(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color, bool filled) {
+ /* Set X */
+ writeCommand(0x91);
+ writeData(x);
+ writeCommand(0x92);
+ writeData(x >> 8);
+
+ /* Set Y */
+ writeCommand(0x93);
+ writeData(y);
+ writeCommand(0x94);
+ writeData(y >> 8);
-/************************* Mid Level ***********************************/
+ /* Set X1 */
+ writeCommand(0x95);
+ writeData(w);
+ writeCommand(0x96);
+ writeData((w) >> 8);
-/**************************************************************************/
-/*!
+ /* Set Y1 */
+ writeCommand(0x97);
+ writeData(h);
+ writeCommand(0x98);
+ writeData((h) >> 8);
-*/
-/**************************************************************************/
-void Adafruit_RA8875::GPIOX(bool on) {
- if (on)
- writeReg(RA8875_GPIOX, 1);
- else
- writeReg(RA8875_GPIOX, 0);
-}
+ /* Set Color */
+ writeCommand(0x63);
+ writeData((color & 0xf800) >> 11);
+ writeCommand(0x64);
+ writeData((color & 0x07e0) >> 5);
+ writeCommand(0x65);
+ writeData((color & 0x001f));
+
+ /* Draw! */
+ writeCommand(RA8875_DCR);
+ if (filled) {
+ writeData(0xB0);
+ } else {
+ writeData(0x90);
+ }
-/**************************************************************************/
-/*!
-
-*/
-/**************************************************************************/
-void Adafruit_RA8875::PWM1out(uint8_t p) {
- writeReg(RA8875_P1DCR, p);
-}
-
-/**************************************************************************/
-/*!
+ /* Wait for the command to finish */
+ waitPoll(RA8875_DCR, RA8875_DCR_LINESQUTRI_STATUS);
+ }
+
+
+
+/////// Function to draw a rectangle with a border
+
+
+void Adafruit_RA8875::boxDraw(int16_t x, int16_t y, int16_t length, int16_t height, int16_t thick, uint16_t color, uint16_t fill) {
+
+ int w = x+length;
+ int h = y+height;
+
+ graphicsMode();
+ rectHelper(x,y,w,h,color,1);
+ rectHelper((x+thick),(y+thick),(w-thick),(h-thick),fill,1);
+}
+
+
+
+
+
+
+
+
+
+
-*/
-/**************************************************************************/
-void Adafruit_RA8875::PWM2out(uint8_t p) {
- writeReg(RA8875_P2DCR, p);
-}
-
-/**************************************************************************/
-/*!
+ /**************************************************************************/
+ /*!
+ Helper function for higher level triangle drawing code
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::triangleHelper(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color, bool filled) {
+ /* Set Point 0 */
+ writeCommand(0x91);
+ writeData(x0);
+ writeCommand(0x92);
+ writeData(x0 >> 8);
+ writeCommand(0x93);
+ writeData(y0);
+ writeCommand(0x94);
+ writeData(y0 >> 8);
-*/
-/**************************************************************************/
-void Adafruit_RA8875::PWM1config(bool on, uint8_t clock) {
- if (on) {
- writeReg(RA8875_P1CR, RA8875_P1CR_ENABLE | (clock & 0xF));
- } else {
- writeReg(RA8875_P1CR, RA8875_P1CR_DISABLE | (clock & 0xF));
- }
-}
+ /* Set Point 1 */
+ writeCommand(0x95);
+ writeData(x1);
+ writeCommand(0x96);
+ writeData(x1 >> 8);
+ writeCommand(0x97);
+ writeData(y1);
+ writeCommand(0x98);
+ writeData(y1 >> 8);
+
+ /* Set Point 2 */
+ writeCommand(0xA9);
+ writeData(x2);
+ writeCommand(0xAA);
+ writeData(x2 >> 8);
+ writeCommand(0xAB);
+ writeData(y2);
+ writeCommand(0xAC);
+ writeData(y2 >> 8);
-/**************************************************************************/
-/*!
+ /* Set Color */
+ writeCommand(0x63);
+ writeData((color & 0xf800) >> 11);
+ writeCommand(0x64);
+ writeData((color & 0x07e0) >> 5);
+ writeCommand(0x65);
+ writeData((color & 0x001f));
+
+ /* Draw! */
+ writeCommand(RA8875_DCR);
+ if (filled) {
+ writeData(0xA1);
+ } else {
+ writeData(0x81);
+ }
+
+ /* Wait for the command to finish */
+ waitPoll(RA8875_DCR, RA8875_DCR_LINESQUTRI_STATUS);
+ }
-*/
-/**************************************************************************/
-void Adafruit_RA8875::PWM2config(bool on, uint8_t clock) {
- if (on) {
- writeReg(RA8875_P2CR, RA8875_P2CR_ENABLE | (clock & 0xF));
- } else {
- writeReg(RA8875_P2CR, RA8875_P2CR_DISABLE | (clock & 0xF));
- }
-}
+ /**************************************************************************/
+ /*!
+ Helper function for higher level ellipse drawing code
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::ellipseHelper(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint16_t color, bool filled) {
+ /* Set Center Point */
+ writeCommand(0xA5);
+ writeData(xCenter);
+ writeCommand(0xA6);
+ writeData(xCenter >> 8);
+ writeCommand(0xA7);
+ writeData(yCenter);
+ writeCommand(0xA8);
+ writeData(yCenter >> 8);
-/**************************************************************************/
-/*!
- Enables or disables the on-chip touch screen controller
-*/
-/**************************************************************************/
-void Adafruit_RA8875::touchEnable(bool on)
-{
- uint8_t adcClk = (uint8_t) RA8875_TPCR0_ADCCLK_DIV4;
+ /* Set Long and Short Axis */
+ writeCommand(0xA1);
+ writeData(longAxis);
+ writeCommand(0xA2);
+ writeData(longAxis >> 8);
+ writeCommand(0xA3);
+ writeData(shortAxis);
+ writeCommand(0xA4);
+ writeData(shortAxis >> 8);
- if ( _size == RA8875_800x480 ) //match up touch size with LCD size
- adcClk = (uint8_t) RA8875_TPCR0_ADCCLK_DIV16;
+ /* Set Color */
+ writeCommand(0x63);
+ writeData((color & 0xf800) >> 11);
+ writeCommand(0x64);
+ writeData((color & 0x07e0) >> 5);
+ writeCommand(0x65);
+ writeData((color & 0x001f));
- if (on)
- {
- /* Enable Touch Panel (Reg 0x70) */
- writeReg(RA8875_TPCR0, RA8875_TPCR0_ENABLE |
- RA8875_TPCR0_WAIT_4096CLK |
- RA8875_TPCR0_WAKEENABLE |
- adcClk); // 10mhz max!
- /* Set Auto Mode (Reg 0x71) */
- writeReg(RA8875_TPCR1, RA8875_TPCR1_AUTO |
- // RA8875_TPCR1_VREFEXT |
- RA8875_TPCR1_DEBOUNCE);
- /* Enable TP INT */
- writeReg(RA8875_INTC1, readReg(RA8875_INTC1) | RA8875_INTC1_TP);
- }
- else
- {
- /* Disable TP INT */
- writeReg(RA8875_INTC1, readReg(RA8875_INTC1) & ~RA8875_INTC1_TP);
- /* Disable Touch Panel (Reg 0x70) */
- writeReg(RA8875_TPCR0, RA8875_TPCR0_DISABLE);
- }
-}
+ /* Draw! */
+ writeCommand(0xA0);
+ if (filled) {
+ writeData(0xC0);
+ } else {
+ writeData(0x80);
+ }
+
+ /* Wait for the command to finish */
+ waitPoll(RA8875_ELLIPSE, RA8875_ELLIPSE_STATUS);
+ }
+
+ /**************************************************************************/
+ /*!
+ Helper function for higher level curve drawing code
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::curveHelper(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint8_t curvePart, uint16_t color, bool filled) {
+ /* Set Center Point */
+ writeCommand(0xA5);
+ writeData(xCenter);
+ writeCommand(0xA6);
+ writeData(xCenter >> 8);
+ writeCommand(0xA7);
+ writeData(yCenter);
+ writeCommand(0xA8);
+ writeData(yCenter >> 8);
-/**************************************************************************/
-/*!
- Checks if a touch event has occured
-
- @returns True is a touch event has occured (reading it via
- touchRead() will clear the interrupt in memory)
-*/
-/**************************************************************************/
-bool Adafruit_RA8875::touched(void)
-{
- if (readReg(RA8875_INTC2) & RA8875_INTC2_TP) return true;
- return false;
-}
+ /* Set Long and Short Axis */
+ writeCommand(0xA1);
+ writeData(longAxis);
+ writeCommand(0xA2);
+ writeData(longAxis >> 8);
+ writeCommand(0xA3);
+ writeData(shortAxis);
+ writeCommand(0xA4);
+ writeData(shortAxis >> 8);
+
+ /* Set Color */
+ writeCommand(0x63);
+ writeData((color & 0xf800) >> 11);
+ writeCommand(0x64);
+ writeData((color & 0x07e0) >> 5);
+ writeCommand(0x65);
+ writeData((color & 0x001f));
+
+ /* Draw! */
+ writeCommand(0xA0);
+ if (filled) {
+ writeData(0xD0 | (curvePart & 0x03));
+ } else {
+ writeData(0x90 | (curvePart & 0x03));
+ }
+
+ /* Wait for the command to finish */
+ waitPoll(RA8875_ELLIPSE, RA8875_ELLIPSE_STATUS);
+ }
+
+ /************************* Mid Level ***********************************/
+
+ /**************************************************************************/
+ /*!
-/**************************************************************************/
-/*!
- Reads the last touch event
-
- @args x[out] Pointer to the uint16_t field to assign the raw X value
- @args y[out] Pointer to the uint16_t field to assign the raw Y value
-
- @note Calling this function will clear the touch panel interrupt on
- the RA8875, resetting the flag used by the 'touched' function
-*/
-/**************************************************************************/
-bool Adafruit_RA8875::touchRead(uint16_t *x, uint16_t *y)
-{
- uint16_t tx, ty;
- uint8_t temp;
-
- tx = readReg(RA8875_TPXH);
- ty = readReg(RA8875_TPYH);
- temp = readReg(RA8875_TPXYL);
- tx <<= 2;
- ty <<= 2;
- tx |= temp & 0x03; // get the bottom x bits
- ty |= (temp >> 2) & 0x03; // get the bottom y bits
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::GPIOX(bool on) {
+ if (on)
+ writeReg(RA8875_GPIOX, 1);
+ else
+ writeReg(RA8875_GPIOX, 0);
+ }
+
+ /**************************************************************************/
+ /*!
+
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::PWM1out(uint8_t p) {
+ writeReg(RA8875_P1DCR, p);
+ }
+
+ /**************************************************************************/
+ /*!
- *x = tx;
- *y = ty;
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::PWM2out(uint8_t p) {
+ writeReg(RA8875_P2DCR, p);
+ }
+
+ /**************************************************************************/
+ /*!
- /* Clear TP INT Status */
- writeReg(RA8875_INTC2, RA8875_INTC2_TP);
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::PWM1config(bool on, uint8_t clock) {
+ if (on) {
+ writeReg(RA8875_P1CR, RA8875_P1CR_ENABLE | (clock & 0xF));
+ } else {
+ writeReg(RA8875_P1CR, RA8875_P1CR_DISABLE | (clock & 0xF));
+ }
+ }
- return true;
-}
+ /**************************************************************************/
+ /*!
+
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::PWM2config(bool on, uint8_t clock) {
+ if (on) {
+ writeReg(RA8875_P2CR, RA8875_P2CR_ENABLE | (clock & 0xF));
+ } else {
+ writeReg(RA8875_P2CR, RA8875_P2CR_DISABLE | (clock & 0xF));
+ }
+ }
-/**************************************************************************/
-/*!
- Turns the display on or off
-*/
-/**************************************************************************/
-void Adafruit_RA8875::displayOn(bool on)
-{
- if (on)
- writeReg(RA8875_PWRR, RA8875_PWRR_NORMAL | RA8875_PWRR_DISPON);
- else
- writeReg(RA8875_PWRR, RA8875_PWRR_NORMAL | RA8875_PWRR_DISPOFF);
-}
+ /**************************************************************************/
+ /*!
+ Enables or disables the on-chip touch screen controller
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::touchEnable(bool on) {
+ uint8_t adcClk = (uint8_t) RA8875_TPCR0_ADCCLK_DIV4;
+
+ if ( _size == RA8875_800x480 ) //match up touch size with LCD size
+ adcClk = (uint8_t) RA8875_TPCR0_ADCCLK_DIV16;
-/**************************************************************************/
-/*!
- Puts the display in sleep mode, or disables sleep mode if enabled
-*/
-/**************************************************************************/
-void Adafruit_RA8875::sleep(bool sleep)
-{
- if (sleep)
- writeReg(RA8875_PWRR, RA8875_PWRR_DISPOFF | RA8875_PWRR_SLEEP);
- else
- writeReg(RA8875_PWRR, RA8875_PWRR_DISPOFF);
-}
+ if (on) {
+ /* Enable Touch Panel (Reg 0x70) */
+ writeReg(RA8875_TPCR0, RA8875_TPCR0_ENABLE |
+ RA8875_TPCR0_WAIT_4096CLK |
+ RA8875_TPCR0_WAKEENABLE |
+ adcClk); // 10mhz max!
+ /* Set Auto Mode (Reg 0x71) */
+ writeReg(RA8875_TPCR1, RA8875_TPCR1_AUTO |
+ // RA8875_TPCR1_VREFEXT |
+ RA8875_TPCR1_DEBOUNCE);
+ /* Enable TP INT */
+ writeReg(RA8875_INTC1, readReg(RA8875_INTC1) | RA8875_INTC1_TP);
+ } else {
+ /* Disable TP INT */
+ writeReg(RA8875_INTC1, readReg(RA8875_INTC1) & ~RA8875_INTC1_TP);
+ /* Disable Touch Panel (Reg 0x70) */
+ writeReg(RA8875_TPCR0, RA8875_TPCR0_DISABLE);
+ }
+ }
+
+ /**************************************************************************/
+ /*!
+ Checks if a touch event has occured
-/************************* Low Level ***********************************/
-
-/**************************************************************************/
-/*!
+ @returns True is a touch event has occured (reading it via
+ touchRead() will clear the interrupt in memory)
+ */
+ /**************************************************************************/
+ bool Adafruit_RA8875::touched(void) {
+ if (readReg(RA8875_INTC2) & RA8875_INTC2_TP) return true;
+ return false;
+ }
-*/
-/**************************************************************************/
-void Adafruit_RA8875::writeReg(uint8_t reg, uint8_t val)
-{
- writeCommand(reg);
- writeData(val);
-}
+ /**************************************************************************/
+ /*!
+ Reads the last touch event
+
+ @args x[out] Pointer to the uint16_t field to assign the raw X value
+ @args y[out] Pointer to the uint16_t field to assign the raw Y value
+
+ @note Calling this function will clear the touch panel interrupt on
+ the RA8875, resetting the flag used by the 'touched' function
+ */
+ /**************************************************************************/
+ bool Adafruit_RA8875::touchRead(uint16_t *x, uint16_t *y) {
+ uint16_t tx, ty;
+ uint8_t temp;
-/**************************************************************************/
-/*!
+ tx = readReg(RA8875_TPXH);
+ ty = readReg(RA8875_TPYH);
+ temp = readReg(RA8875_TPXYL);
+ tx <<= 2;
+ ty <<= 2;
+ tx |= temp & 0x03; // get the bottom x bits
+ ty |= (temp >> 2) & 0x03; // get the bottom y bits
-*/
-/**************************************************************************/
-uint8_t Adafruit_RA8875::readReg(uint8_t reg)
-{
- writeCommand(reg);
- return readData();
-}
+ *x = tx;
+ *y = ty;
-/**************************************************************************/
-/*!
+ /* Clear TP INT Status */
+ writeReg(RA8875_INTC2, RA8875_INTC2_TP);
+
+ return true;
+ }
-*/
-/**************************************************************************/
-void Adafruit_RA8875::writeData(uint8_t d)
-{
- _cs = 0;
-
- spi.write(RA8875_DATAWRITE);
- spi.write(d);
- _cs = 1;
+ /**************************************************************************/
+ /*!
+ Turns the display on or off
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::displayOn(bool on) {
+ if (on)
+ writeReg(RA8875_PWRR, RA8875_PWRR_NORMAL | RA8875_PWRR_DISPON);
+ else
+ writeReg(RA8875_PWRR, RA8875_PWRR_NORMAL | RA8875_PWRR_DISPOFF);
+ }
-}
-
-/**************************************************************************/
-/*!
+ /**************************************************************************/
+ /*!
+ Puts the display in sleep mode, or disables sleep mode if enabled
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::sleep(bool sleep) {
+ if (sleep)
+ writeReg(RA8875_PWRR, RA8875_PWRR_DISPOFF | RA8875_PWRR_SLEEP);
+ else
+ writeReg(RA8875_PWRR, RA8875_PWRR_DISPOFF);
+ }
-*/
-/**************************************************************************/
-uint8_t Adafruit_RA8875::readData(void)
-{
- _cs = 0;
+ /************************* Low Level ***********************************/
+
+ /**************************************************************************/
+ /*!
+
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::writeReg(uint8_t reg, uint8_t val) {
+ writeCommand(reg);
+ writeData(val);
+ }
+
+ /**************************************************************************/
+ /*!
- spi.write(RA8875_DATAREAD);
- uint8_t x = spi.write(0x0);
+ */
+ /**************************************************************************/
+ uint8_t Adafruit_RA8875::readReg(uint8_t reg) {
+ writeCommand(reg);
+ return readData();
+ }
- _cs = 1;
- return x;
-}
+ /**************************************************************************/
+ /*!
+
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::writeData(uint8_t d) {
+ _cs = 0;
-/**************************************************************************/
-/*!
+ spi.write(RA8875_DATAWRITE);
+ spi.write(d);
+ _cs = 1;
+
+ }
-*/
-/**************************************************************************/
-void Adafruit_RA8875::writeCommand(uint8_t d)
-{
- _cs = 0;
+ /**************************************************************************/
+ /*!
- spi.write(RA8875_CMDWRITE);
- spi.write(d);
+ */
+ /**************************************************************************/
+ uint8_t Adafruit_RA8875::readData(void) {
+ _cs = 0;
+
+ spi.write(RA8875_DATAREAD);
+ uint8_t x = spi.write(0x0);
- _cs = 1;
-}
+ _cs = 1;
+ return x;
+ }
+
+ /**************************************************************************/
+ /*!
-/**************************************************************************/
-/*!
+ */
+ /**************************************************************************/
+ void Adafruit_RA8875::writeCommand(uint8_t d) {
+ _cs = 0;
+
+ spi.write(RA8875_CMDWRITE);
+ spi.write(d);
-*/
-/**************************************************************************/
-uint8_t Adafruit_RA8875::readStatus(void)
-{
- _cs = 0;
+ _cs = 1;
+ }
+
+ /**************************************************************************/
+ /*!
- spi.write(RA8875_CMDREAD);
- uint8_t x = spi.write(0x0);
+ */
+ /**************************************************************************/
+ uint8_t Adafruit_RA8875::readStatus(void) {
+ _cs = 0;
- _cs = 1;
- return x;
-}
+ spi.write(RA8875_CMDREAD);
+ uint8_t x = spi.write(0x0);
+
+ _cs = 1;
+ return x;
+ }
--- a/RA8875.h Fri Sep 08 16:30:24 2017 +0000 +++ b/RA8875.h Thu Mar 14 12:00:15 2019 +0000 @@ -40,6 +40,7 @@ void textTransparent(uint16_t foreColor); void textEnlarge(uint8_t scale); void textWrite(const char* buffer, uint16_t len=0); + void textWritePro(uint16_t x, uint16_t y, uint16_t foreColor, uint16_t bgColor, const char* buffer, uint16_t len=0); /* Graphics functions */ void graphicsMode(void); @@ -66,6 +67,9 @@ void drawCurve(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint8_t curvePart, uint16_t color); void fillCurve(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint8_t curvePart, uint16_t color); + void rectHelper (int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color, bool filled); + void Adafruit_RA8875::boxDraw(int16_t x, int16_t y, int16_t length, int16_t height, int16_t thick, uint16_t color, uint16_t fill); + /* Backlight */ void GPIOX(bool on); void PWM1config(bool on, uint8_t clock); @@ -105,7 +109,7 @@ // /* GFX Helper Functions */ void circleHelper(int16_t x0, int16_t y0, int16_t r, uint16_t color, bool filled); - void rectHelper (int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color, bool filled); + void triangleHelper(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color, bool filled); void ellipseHelper(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint16_t color, bool filled); void curveHelper(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint8_t curvePart, uint16_t color, bool filled); @@ -119,14 +123,16 @@ }; // Colors (RGB565) -#define RA8875_BLACK 0x0000 -#define RA8875_BLUE 0x001F -#define RA8875_RED 0xF800 -#define RA8875_GREEN 0x07E0 -#define RA8875_CYAN 0x07FF -#define RA8875_MAGENTA 0xF81F -#define RA8875_YELLOW 0xFFE0 -#define RA8875_WHITE 0xFFFF +#define BLACK 0x0000 +#define BLUE 0x001F +#define RED 0xF800 +#define GREEN 0x07E0 +#define CYAN 0x07FF +#define MAGENTA 0xF81F +#define YELLOW 0xFFE0 +#define WHITE 0xFFFF +#define GREY 0xA514 +#define ORANGE 0xFA20 // Command/Data pins for SPI #define RA8875_DATAWRITE 0x00
--- a/main.cpp Fri Sep 08 16:30:24 2017 +0000
+++ b/main.cpp Thu Mar 14 12:00:15 2019 +0000
@@ -1,78 +1,96 @@
#include "RA8875.h"
-//#include "Adafruit_GFX.h"
-// Library only supports hardware SPI at this time
-// Connect SCLK to UNO Digital #13 (Hardware SPI clock)
-// Connect MISO to UNO Digital #12 (Hardware SPI MISO)
-// Connect MOSI to UNO Digital #11 (Hardware SPI MOSI)
-#define MOSI PTD6
-#define MISO PTD7
-#define SCLK PTD5
-#define CS PTD4
-#define RST PTD2
+#define MOSI PTD2
+#define MISO PTD3
+#define SCLK PTD1
+#define CS PTD0
+#define RST PTC4
+DigitalIn INT(PTC12);
-
-Adafruit_RA8875 tft = Adafruit_RA8875(MOSI, MISO, SCLK, CS, RST);
+Adafruit_RA8875 lcd = Adafruit_RA8875(MOSI, MISO, SCLK, CS, RST);
uint16_t tx, ty;
Serial pc(USBTX, USBRX); // tx, rxSerial pc(USBTX, USBRX); // tx, rx
-int main()
+void setup()
{
- pc.baud(9600);
- pc.printf("RA8875 start\n");
+ pc.baud(9600);
+ pc.printf("RA8875 start\n");
+}
- /* Initialise the display using 'RA8875_480x272' or 'RA8875_800x480' */
- if (!tft.begin(RA8875_480x272)) {
- pc.printf("RA8875 Not Found!\n");
- while (1);
- }
+int main()
+{
+ lcd.begin(RA8875_800x480);
+ lcd.displayOn(true);
+ lcd.GPIOX(true); // Enable lcd - display enable tied to GPIOX
+ lcd.PWM1config(true, RA8875_PWM_CLK_DIV1024); // PWM output for backlight
+ lcd.PWM1out(255);
+ lcd.fillScreen(BLACK);
+ lcd.touchEnable(true);
- tft.displayOn(true);
- tft.GPIOX(true); // Enable TFT - display enable tied to GPIOX
- tft.PWM1config(true, RA8875_PWM_CLK_DIV1024); // PWM output for backlight
- tft.PWM1out(255);
- tft.fillScreen(RA8875_BLACK);
+ /* Render some text! */
+ lcd.textEnlarge(3);
+ lcd.textWritePro(10,30,WHITE,0,"Hello, Jacob! ");
+ lcd.textEnlarge(1.2);
+ lcd.textWritePro(10,150,WHITE,0, "I am finally working!");
+ lcd.textWritePro(10, 450, GREEN, 0, "Testing 1.. 2");
+ wait(2);
+ lcd.fillScreen(BLACK);
+
+ lcd.graphicsMode();
+ lcd.rectHelper(0,0,800,480,WHITE,1);
+ lcd.rectHelper(5,5,794,474,BLACK,1);
+
+ //lcd.boxDraw(0,0,400,400,10,GREEN,YELLOW);
+ lcd.boxDraw(10,10,459,459,10,GREY,ORANGE);
+
+
+//////// Drawing a line for a graph
- /* Switch to text mode */
- tft.textMode();
-
-
- /* Set a solid for + bg color ... */
-
- /* ... or a fore color plus a transparent background */
+ lcd.drawPixel(50,200,WHITE);
+
+
-
- /* Set the cursor location (in pixels) */
- tft.textSetCursor(10, 10);
-
- /* Render some text! */
- char string[] = "Hello, Nehuen! ";
- tft.textTransparent(RA8875_WHITE);
- tft.textWrite(string);
- tft.textColor(RA8875_WHITE, RA8875_RED);
- tft.textWrite(string);
- tft.textTransparent(RA8875_CYAN);
- tft.textWrite(string);
- tft.textTransparent(RA8875_GREEN);
- tft.textWrite(string);
- tft.textColor(RA8875_YELLOW, RA8875_CYAN);
- tft.textWrite(string);
- tft.textColor(RA8875_BLACK, RA8875_MAGENTA);
- tft.textWrite(string);
+
+
+
+
+ /*
+ lcd.textColor(RA8875_WHITE, RA8875_RED);
+ lcd.textWrite(string);
+ lcd.textTransparent(RA8875_CYAN);
+ lcd.textWrite(string);
+ lcd.textTransparent(RA8875_GREEN);
+ lcd.textWrite(string);
+ lcd.textColor(RA8875_YELLOW, RA8875_CYAN);
+ lcd.textWrite(string);
+ //lcd.textColor(RA8875_BLACK, RA8875_MAGENTA);
+ lcd.textWrite(string);
+ */
+
+
+ //lcd.drawCircle(100, 100, 50, RA8875_RED);
+ //lcd.fillCircle(100, 100, 50, RA8875_RED);
- /* Change the cursor location and color ... */
- //tft.textSetCursor(100, 100);
- //tft.textTransparent(RA8875_RED);
- /* If necessary, enlarge the font */
- //tft.textEnlarge(1);
- /* ... and render some more text! */
- //tft.textWrite(string);
- //tft.textSetCursor(100, 150);
- //tft.textEnlarge(2);
- //tft.textWrite(string);
-
- tft.drawCircle(100, 100, 50, RA8875_RED);
- tft.fillCircle(100, 100, 50, RA8875_RED);
+ //lcd.fillCircle(200, 200, 50, RA8875_RED);
+
+
+ float xScale = 1024.0F/lcd.width();
+ float yScale = 1024.0F/lcd.height();
+ bool INT = 1;
+
+ /* Wait around for touch events */
+ while(1) {
+ if (INT == !1);
+ {
+ if (lcd.touched()) {
+ //Serial.print("Touch: ");
+ lcd.touchRead(&tx, &ty);
+ //Serial.print(tx); Serial.print(", "); Serial.println(ty);
+ /* Draw a circle */
+ lcd.fillCircle((uint16_t)(tx/xScale), (uint16_t)(ty/yScale), 1, WHITE);
+ }
+ }
+ }
}
\ No newline at end of file