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Added license details and basic DOxygen style comments

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KTOWN 2013-10-14 17:57:59 +02:00
parent 7fe581456c
commit 80b6373984
2 changed files with 384 additions and 2 deletions
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Adafruit_RA8875.cpp
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@ -1,12 +1,47 @@
#include <Arduino.h> /**************************************************************************/
/*!
@file Adafruit_RA8875.cpp
@author Limor Friend/Ladyada, K.Townsend/KTOWN for Adafruit Industries
@license BSD license, all text above and below must be included in
any redistribution
Designed specifically to work with the Adafruit RA8875 Breakout
----> https://www.adafruit.com/products/
Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
products from Adafruit!
@section HISTORY
v1.0 - First release
*/
/**************************************************************************/
#include <SPI.h> #include <SPI.h>
#include "Adafruit_RA8875.h" #include "Adafruit_RA8875.h"
/**************************************************************************/
/*!
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(uint8_t CS, uint8_t RST) : Adafruit_GFX(800, 480) { Adafruit_RA8875::Adafruit_RA8875(uint8_t CS, uint8_t RST) : Adafruit_GFX(800, 480) {
_cs = CS; _cs = CS;
_rst = RST; _rst = RST;
} }
/**************************************************************************/
/*!
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)
*/
/**************************************************************************/
boolean Adafruit_RA8875::begin(enum RA8875sizes s) { boolean Adafruit_RA8875::begin(enum RA8875sizes s) {
_size = s; _size = s;
@ -44,9 +79,13 @@ boolean Adafruit_RA8875::begin(enum RA8875sizes s) {
return true; return true;
} }
/************************* Initialization *********************************/ /************************* Initialization *********************************/
/**************************************************************************/
/*!
Performs a SW-based reset of the RA8875
*/
/**************************************************************************/
void Adafruit_RA8875::softReset(void) { void Adafruit_RA8875::softReset(void) {
writeCommand(RA8875_PWRR); writeCommand(RA8875_PWRR);
writeData(RA8875_PWRR_SOFTRESET); writeData(RA8875_PWRR_SOFTRESET);
@ -54,6 +93,11 @@ void Adafruit_RA8875::softReset(void) {
delay(1); delay(1);
} }
/**************************************************************************/
/*!
Initialise the PLL
*/
/**************************************************************************/
void Adafruit_RA8875::PLLinit(void) { void Adafruit_RA8875::PLLinit(void) {
if (_size == RA8875_480x272) { if (_size == RA8875_480x272) {
writeReg(RA8875_PLLC1, RA8875_PLLC1_PLLDIV1 + 10); writeReg(RA8875_PLLC1, RA8875_PLLC1_PLLDIV1 + 10);
@ -69,6 +113,11 @@ void Adafruit_RA8875::PLLinit(void) {
} }
} }
/**************************************************************************/
/*!
Initialises the driver IC (clock setup, etc.)
*/
/**************************************************************************/
void Adafruit_RA8875::initialize(void) { void Adafruit_RA8875::initialize(void) {
PLLinit(); PLLinit();
writeReg(RA8875_SYSR, RA8875_SYSR_16BPP | RA8875_SYSR_MCU8); writeReg(RA8875_SYSR, RA8875_SYSR_16BPP | RA8875_SYSR_MCU8);
@ -145,11 +194,34 @@ void Adafruit_RA8875::initialize(void) {
delay(500); delay(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; }
/**************************************************************************/
/*!
Returns the display height in pixels
@returns The 1-based display height in pixels
*/
/**************************************************************************/
uint16_t Adafruit_RA8875::height(void) { return _height; } uint16_t Adafruit_RA8875::height(void) { return _height; }
/************************* Graphics ***********************************/ /************************* Graphics ***********************************/
/**************************************************************************/
/*!
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) { void Adafruit_RA8875::pushPixels(uint32_t num, uint16_t p) {
digitalWrite(_cs, LOW); digitalWrite(_cs, LOW);
SPI.transfer(RA8875_DATAWRITE); SPI.transfer(RA8875_DATAWRITE);
@ -160,6 +232,11 @@ void Adafruit_RA8875::pushPixels(uint32_t num, uint16_t p) {
digitalWrite(_cs, HIGH); digitalWrite(_cs, HIGH);
} }
/**************************************************************************/
/*!
Sets the display in graphics mode (as opposes to tet mode)
*/
/**************************************************************************/
void Adafruit_RA8875::graphicsMode(void) { void Adafruit_RA8875::graphicsMode(void) {
writeCommand(RA8875_MWCR0); writeCommand(RA8875_MWCR0);
uint8_t temp = readData(); uint8_t temp = readData();
@ -167,6 +244,14 @@ void Adafruit_RA8875::graphicsMode(void) {
writeData(temp); writeData(temp);
} }
/**************************************************************************/
/*!
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) { void Adafruit_RA8875::setXY(uint16_t x, uint16_t y) {
writeReg(RA8875_CURH0, x); writeReg(RA8875_CURH0, x);
writeReg(RA8875_CURH1, x >> 8); writeReg(RA8875_CURH1, x >> 8);
@ -174,12 +259,26 @@ void Adafruit_RA8875::setXY(uint16_t x, uint16_t y) {
writeReg(RA8875_CURV1, y >> 8); writeReg(RA8875_CURV1, y >> 8);
} }
/**************************************************************************/
/*!
*/
/**************************************************************************/
void Adafruit_RA8875::fillRect(void) { void Adafruit_RA8875::fillRect(void) {
writeCommand(RA8875_DCR); writeCommand(RA8875_DCR);
writeData(RA8875_DCR_LINESQUTRI_STOP | RA8875_DCR_DRAWSQUARE); writeData(RA8875_DCR_LINESQUTRI_STOP | RA8875_DCR_DRAWSQUARE);
writeData(RA8875_DCR_LINESQUTRI_START | RA8875_DCR_FILL | 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) void Adafruit_RA8875::drawPixel(int16_t x, int16_t y, uint16_t color)
{ {
writeReg(RA8875_CURH0, x); writeReg(RA8875_CURH0, x);
@ -194,6 +293,17 @@ void Adafruit_RA8875::drawPixel(int16_t x, int16_t y, uint16_t color)
digitalWrite(_cs, HIGH); digitalWrite(_cs, HIGH);
} }
/**************************************************************************/
/*!
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) void Adafruit_RA8875::drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color)
{ {
/* Set X */ /* Set X */
@ -242,71 +352,215 @@ void Adafruit_RA8875::drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, u
} }
} }
/**************************************************************************/
/*!
*/
/**************************************************************************/
void Adafruit_RA8875::drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color) void Adafruit_RA8875::drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color)
{ {
drawLine(x, y, x, y+h, color); drawLine(x, y, x, y+h, color);
} }
/**************************************************************************/
/*!
*/
/**************************************************************************/
void Adafruit_RA8875::drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color) void Adafruit_RA8875::drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color)
{ {
drawLine(x, y, x+w, y, 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) 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); 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) 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); 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) void Adafruit_RA8875::fillScreen(uint16_t color)
{ {
rectHelper(0, 0, _width-1, _height-1, color, true); 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) void Adafruit_RA8875::drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color)
{ {
circleHelper(x0, y0, r, color, false); 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) void Adafruit_RA8875::fillCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color)
{ {
circleHelper(x0, y0, r, color, true); 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) 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); 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) 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); 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) 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); 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) 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); 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) 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); 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) 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); 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) void Adafruit_RA8875::circleHelper(int16_t x0, int16_t y0, int16_t r, uint16_t color, bool filled)
{ {
/* Set X */ /* Set X */
@ -354,6 +608,11 @@ void Adafruit_RA8875::circleHelper(int16_t x0, int16_t y0, int16_t r, uint16_t c
} }
} }
/**************************************************************************/
/*!
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) void Adafruit_RA8875::rectHelper(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color, bool filled)
{ {
/* Set X */ /* Set X */
@ -409,6 +668,11 @@ void Adafruit_RA8875::rectHelper(int16_t x, int16_t y, int16_t w, int16_t h, uin
} }
} }
/**************************************************************************/
/*!
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) 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 */ /* Set Point 0 */
@ -470,6 +734,11 @@ void Adafruit_RA8875::triangleHelper(int16_t x0, int16_t y0, int16_t x1, int16_t
} }
} }
/**************************************************************************/
/*!
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) void Adafruit_RA8875::ellipseHelper(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint16_t color, bool filled)
{ {
/* Set Center Point */ /* Set Center Point */
@ -521,6 +790,11 @@ void Adafruit_RA8875::ellipseHelper(int16_t xCenter, int16_t yCenter, int16_t lo
} }
} }
/**************************************************************************/
/*!
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) 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 */ /* Set Center Point */
@ -574,6 +848,11 @@ void Adafruit_RA8875::curveHelper(int16_t xCenter, int16_t yCenter, int16_t long
/************************* Mid Level ***********************************/ /************************* Mid Level ***********************************/
/**************************************************************************/
/*!
*/
/**************************************************************************/
void Adafruit_RA8875::GPIOX(boolean on) { void Adafruit_RA8875::GPIOX(boolean on) {
if (on) if (on)
writeReg(RA8875_GPIOX, 1); writeReg(RA8875_GPIOX, 1);
@ -581,14 +860,29 @@ void Adafruit_RA8875::GPIOX(boolean on) {
writeReg(RA8875_GPIOX, 0); writeReg(RA8875_GPIOX, 0);
} }
/**************************************************************************/
/*!
*/
/**************************************************************************/
void Adafruit_RA8875::PWM1out(uint8_t p) { void Adafruit_RA8875::PWM1out(uint8_t p) {
writeReg(RA8875_P1DCR, p); writeReg(RA8875_P1DCR, p);
} }
/**************************************************************************/
/*!
*/
/**************************************************************************/
void Adafruit_RA8875::PWM2out(uint8_t p) { void Adafruit_RA8875::PWM2out(uint8_t p) {
writeReg(RA8875_P2DCR, p); writeReg(RA8875_P2DCR, p);
} }
/**************************************************************************/
/*!
*/
/**************************************************************************/
void Adafruit_RA8875::PWM1config(boolean on, uint8_t clock) { void Adafruit_RA8875::PWM1config(boolean on, uint8_t clock) {
if (on) { if (on) {
writeReg(RA8875_P1CR, RA8875_P1CR_ENABLE | (clock & 0xF)); writeReg(RA8875_P1CR, RA8875_P1CR_ENABLE | (clock & 0xF));
@ -597,6 +891,11 @@ void Adafruit_RA8875::PWM1config(boolean on, uint8_t clock) {
} }
} }
/**************************************************************************/
/*!
*/
/**************************************************************************/
void Adafruit_RA8875::PWM2config(boolean on, uint8_t clock) { void Adafruit_RA8875::PWM2config(boolean on, uint8_t clock) {
if (on) { if (on) {
writeReg(RA8875_P2CR, RA8875_P2CR_ENABLE | (clock & 0xF)); writeReg(RA8875_P2CR, RA8875_P2CR_ENABLE | (clock & 0xF));
@ -605,6 +904,11 @@ void Adafruit_RA8875::PWM2config(boolean on, uint8_t clock) {
} }
} }
/**************************************************************************/
/*!
Enables or disables the on-chip touch screen controller
*/
/**************************************************************************/
void Adafruit_RA8875::touchEnable(boolean on) void Adafruit_RA8875::touchEnable(boolean on)
{ {
if (on) if (on)
@ -630,12 +934,31 @@ void Adafruit_RA8875::touchEnable(boolean on)
} }
} }
/**************************************************************************/
/*!
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)
*/
/**************************************************************************/
boolean Adafruit_RA8875::touched(void) boolean Adafruit_RA8875::touched(void)
{ {
if (readReg(RA8875_INTC2) & RA8875_INTC2_TP) return true; if (readReg(RA8875_INTC2) & RA8875_INTC2_TP) return true;
return false; return false;
} }
/**************************************************************************/
/*!
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
*/
/**************************************************************************/
boolean Adafruit_RA8875::touchRead(uint16_t *x, uint16_t *y) boolean Adafruit_RA8875::touchRead(uint16_t *x, uint16_t *y)
{ {
uint16_t tx, ty; uint16_t tx, ty;
@ -658,6 +981,11 @@ boolean Adafruit_RA8875::touchRead(uint16_t *x, uint16_t *y)
return true; return true;
} }
/**************************************************************************/
/*!
Turns the display on or off
*/
/**************************************************************************/
void Adafruit_RA8875::displayOn(boolean on) void Adafruit_RA8875::displayOn(boolean on)
{ {
if (on) if (on)
@ -666,6 +994,11 @@ void Adafruit_RA8875::displayOn(boolean on)
writeReg(RA8875_PWRR, RA8875_PWRR_NORMAL | RA8875_PWRR_DISPOFF); 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(boolean sleep) void Adafruit_RA8875::sleep(boolean sleep)
{ {
if (sleep) if (sleep)
@ -676,18 +1009,33 @@ void Adafruit_RA8875::sleep(boolean sleep)
/************************* Low Level ***********************************/ /************************* Low Level ***********************************/
/**************************************************************************/
/*!
*/
/**************************************************************************/
void Adafruit_RA8875::writeReg(uint8_t reg, uint8_t val) void Adafruit_RA8875::writeReg(uint8_t reg, uint8_t val)
{ {
writeCommand(reg); writeCommand(reg);
writeData(val); writeData(val);
} }
/**************************************************************************/
/*!
*/
/**************************************************************************/
uint8_t Adafruit_RA8875::readReg(uint8_t reg) uint8_t Adafruit_RA8875::readReg(uint8_t reg)
{ {
writeCommand(reg); writeCommand(reg);
return readData(); return readData();
} }
/**************************************************************************/
/*!
*/
/**************************************************************************/
void Adafruit_RA8875::writeData(uint8_t d) void Adafruit_RA8875::writeData(uint8_t d)
{ {
digitalWrite(_cs, LOW); digitalWrite(_cs, LOW);
@ -696,6 +1044,11 @@ void Adafruit_RA8875::writeData(uint8_t d)
digitalWrite(_cs, HIGH); digitalWrite(_cs, HIGH);
} }
/**************************************************************************/
/*!
*/
/**************************************************************************/
uint8_t Adafruit_RA8875::readData(void) uint8_t Adafruit_RA8875::readData(void)
{ {
digitalWrite(_cs, LOW); digitalWrite(_cs, LOW);
@ -705,6 +1058,11 @@ uint8_t Adafruit_RA8875::readData(void)
return x; return x;
} }
/**************************************************************************/
/*!
*/
/**************************************************************************/
void Adafruit_RA8875::writeCommand(uint8_t d) void Adafruit_RA8875::writeCommand(uint8_t d)
{ {
digitalWrite(_cs, LOW); digitalWrite(_cs, LOW);
@ -713,6 +1071,11 @@ void Adafruit_RA8875::writeCommand(uint8_t d)
digitalWrite(_cs, HIGH); digitalWrite(_cs, HIGH);
} }
/**************************************************************************/
/*!
*/
/**************************************************************************/
uint8_t Adafruit_RA8875::readStatus(void) uint8_t Adafruit_RA8875::readStatus(void)
{ {
digitalWrite(_cs, LOW); digitalWrite(_cs, LOW);

19
Adafruit_RA8875.h
View File

@ -1,3 +1,22 @@
/**************************************************************************/
/*!
@file Adafruit_RA8875.h
@author Limor Friend/Ladyada, K.Townsend/KTOWN for Adafruit Industries
@license BSD license, all text above and below must be included in
any redistribution
Designed specifically to work with the Adafruit RA8875 Breakout
----> https://www.adafruit.com/products/
Adafruit invests time and resources providing this open source code,
please support Adafruit and open-source hardware by purchasing
products from Adafruit!
@section HISTORY
v1.0 - First release
*/
/**************************************************************************/
#if ARDUINO >= 100 #if ARDUINO >= 100
#include "Arduino.h" #include "Arduino.h"
#include "Print.h" #include "Print.h"