Compare commits
4 commits
| Author | SHA1 | Date | |
|---|---|---|---|
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e8cb704fdd | ||
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c45f0df3b8 | ||
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c33c9f1eae | ||
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2af06829fd |
9 changed files with 209 additions and 41 deletions
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@ -4,6 +4,12 @@
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// Graphics library by ladyada/adafruit with init code from Rossum
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// MIT license
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#if defined(__SAM3X8E__)
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#include <include/pio.h>
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#define PROGMEM
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#define pgm_read_byte(addr) (*(const unsigned char *)(addr))
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#define pgm_read_word(addr) (*(const unsigned short *)(addr))
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#endif
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#ifdef __AVR__
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#include <avr/pgmspace.h>
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#endif
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@ -91,10 +97,18 @@ Adafruit_TFTLCD::Adafruit_TFTLCD(
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#ifndef USE_ADAFRUIT_SHIELD_PINOUT
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// Convert pin numbers to registers and bitmasks
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_reset = reset;
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#ifdef __AVR__
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csPort = portOutputRegister(digitalPinToPort(cs));
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cdPort = portOutputRegister(digitalPinToPort(cd));
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wrPort = portOutputRegister(digitalPinToPort(wr));
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rdPort = portOutputRegister(digitalPinToPort(rd));
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#endif
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#if defined(__SAM3X8E__)
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csPort = digitalPinToPort(cs);
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cdPort = digitalPinToPort(cd);
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wrPort = digitalPinToPort(wr);
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rdPort = digitalPinToPort(rd);
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#endif
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csPinSet = digitalPinToBitMask(cs);
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cdPinSet = digitalPinToBitMask(cd);
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wrPinSet = digitalPinToBitMask(wr);
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@ -103,10 +117,18 @@ Adafruit_TFTLCD::Adafruit_TFTLCD(
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cdPinUnset = ~cdPinSet;
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wrPinUnset = ~wrPinSet;
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rdPinUnset = ~rdPinSet;
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#ifdef __AVR__
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*csPort |= csPinSet; // Set all control bits to HIGH (idle)
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*cdPort |= cdPinSet; // Signals are ACTIVE LOW
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*wrPort |= wrPinSet;
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*rdPort |= rdPinSet;
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#endif
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#if defined(__SAM3X8E__)
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csPort->PIO_SODR |= csPinSet; // Set all control bits to HIGH (idle)
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cdPort->PIO_SODR |= cdPinSet; // Signals are ACTIVE LOW
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wrPort->PIO_SODR |= wrPinSet;
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rdPort->PIO_SODR |= rdPinSet;
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#endif
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pinMode(cs, OUTPUT); // Enable outputs
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pinMode(cd, OUTPUT);
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pinMode(wr, OUTPUT);
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@ -301,6 +323,7 @@ void Adafruit_TFTLCD::begin(uint16_t id) {
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void Adafruit_TFTLCD::reset(void) {
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CS_IDLE;
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// CD_DATA;
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WR_IDLE;
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RD_IDLE;
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@ -11,11 +11,12 @@
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#else
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#include "WProgram.h"
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#endif
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#include <Adafruit_GFX.h>
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// **** IF USING THE LCD BREAKOUT BOARD, COMMENT OUT THIS NEXT LINE. ****
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// **** IF USING THE LCD SHIELD, LEAVE THE LINE ENABLED: ****
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#define USE_ADAFRUIT_SHIELD_PINOUT
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//#define USE_ADAFRUIT_SHIELD_PINOUT
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class Adafruit_TFTLCD : public Adafruit_GFX {
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@ -24,19 +25,19 @@ class Adafruit_TFTLCD : public Adafruit_GFX {
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Adafruit_TFTLCD(uint8_t cs, uint8_t cd, uint8_t wr, uint8_t rd, uint8_t rst);
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Adafruit_TFTLCD(void);
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void begin(uint16_t id = 0x9325),
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drawPixel(int16_t x, int16_t y, uint16_t color),
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drawFastHLine(int16_t x0, int16_t y0, int16_t w, uint16_t color),
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drawFastVLine(int16_t x0, int16_t y0, int16_t h, uint16_t color),
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fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t c),
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fillScreen(uint16_t color),
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reset(void),
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setRegisters8(uint8_t *ptr, uint8_t n),
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setRegisters16(uint16_t *ptr, uint8_t n),
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setRotation(uint8_t x),
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void begin(uint16_t id = 0x9325);
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void drawPixel(int16_t x, int16_t y, uint16_t color);
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void drawFastHLine(int16_t x0, int16_t y0, int16_t w, uint16_t color);
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void drawFastVLine(int16_t x0, int16_t y0, int16_t h, uint16_t color);
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void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t c);
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void fillScreen(uint16_t color);
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void reset(void);
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void setRegisters8(uint8_t *ptr, uint8_t n);
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void setRegisters16(uint16_t *ptr, uint8_t n);
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void setRotation(uint8_t x);
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// These methods are public in order for BMP examples to work:
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setAddrWindow(int x1, int y1, int x2, int y2),
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pushColors(uint16_t *data, uint8_t len, boolean first);
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void setAddrWindow(int x1, int y1, int x2, int y2);
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void pushColors(uint16_t *data, uint8_t len, boolean first);
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uint16_t color565(uint8_t r, uint8_t g, uint8_t b),
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readPixel(int16_t x, int16_t y),
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@ -68,16 +69,28 @@ class Adafruit_TFTLCD : public Adafruit_GFX {
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setLR(void),
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flood(uint16_t color, uint32_t len);
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uint8_t driver;
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#ifndef read8
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uint8_t read8fn(void);
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#define read8isFunctionalized
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#endif
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#ifndef USE_ADAFRUIT_SHIELD_PINOUT
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#ifdef __AVR__
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volatile uint8_t *csPort , *cdPort , *wrPort , *rdPort;
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uint8_t csPinSet , cdPinSet , wrPinSet , rdPinSet ,
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csPinUnset, cdPinUnset, wrPinUnset, rdPinUnset,
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_reset;
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#endif
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#if defined(__SAM3X8E__)
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Pio *csPort , *cdPort , *wrPort , *rdPort;
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uint32_t csPinSet , cdPinSet , wrPinSet , rdPinSet ,
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csPinUnset, cdPinUnset, wrPinUnset, rdPinUnset,
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_reset;
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#endif
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#endif
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};
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// For compatibility with sketches written for older versions of library.
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0
examples/graphicstest/graphicstest.pde
Normal file → Executable file
0
examples/graphicstest/graphicstest.pde
Normal file → Executable file
0
examples/rotationtest/rotationtest.pde
Normal file → Executable file
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examples/rotationtest/rotationtest.pde
Normal file → Executable file
0
examples/tftbmp/tftbmp.pde
Normal file → Executable file
0
examples/tftbmp/tftbmp.pde
Normal file → Executable file
0
examples/tftbmp_shield/tftbmp_shield.pde
Normal file → Executable file
0
examples/tftbmp_shield/tftbmp_shield.pde
Normal file → Executable file
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@ -6,6 +6,11 @@
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#include <Adafruit_TFTLCD.h> // Hardware-specific library
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#include <TouchScreen.h>
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#if defined(__SAM3X8E__)
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#undef __FlashStringHelper::F(string_literal)
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#define F(string_literal) string_literal
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#endif
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// When using the BREAKOUT BOARD only, use these 8 data lines to the LCD:
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// For the Arduino Uno, Duemilanove, Diecimila, etc.:
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// D0 connects to digital pin 8 (Notice these are
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@ -16,8 +21,28 @@
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// D5 connects to digital pin 5
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// D6 connects to digital pin 6
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// D7 connects to digital pin 7
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// For the Arduino Mega, use digital pins 22 through 29
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// (on the 2-row header at the end of the board).
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// D0 connects to digital pin 22
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// D1 connects to digital pin 23
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// D2 connects to digital pin 24
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// D3 connects to digital pin 25
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// D4 connects to digital pin 26
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// D5 connects to digital pin 27
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// D6 connects to digital pin 28
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// D7 connects to digital pin 29
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// For the Arduino Due, use digital pins 33 through 40
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// (on the 2-row header at the end of the board).
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// D0 connects to digital pin 33
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// D1 connects to digital pin 34
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// D2 connects to digital pin 35
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// D3 connects to digital pin 36
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// D4 connects to digital pin 37
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// D5 connects to digital pin 38
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// D6 connects to digital pin 39
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// D7 connects to digital pin 40
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#define YP A3 // must be an analog pin, use "An" notation!
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#define XM A2 // must be an analog pin, use "An" notation!
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@ -5,6 +5,11 @@
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#include <Adafruit_TFTLCD.h> // Hardware-specific library
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#include <TouchScreen.h>
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#if defined(__SAM3X8E__)
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#undef __FlashStringHelper::F(string_literal)
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#define F(string_literal) string_literal
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#endif
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#ifndef USE_ADAFRUIT_SHIELD_PINOUT
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#error "This sketch is intended for use with the TFT LCD Shield. Make sure that USE_ADAFRUIT_SHIELD_PINOUT is #defined in the Adafruit_TFTLCD.h library file."
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#endif
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@ -15,10 +20,17 @@
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#define YM 7 // can be a digital pin
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#define XP 6 // can be a digital pin
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#ifdef __SAM3X8E__
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#define TS_MINX 125
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#define TS_MINY 170
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#define TS_MAXX 880
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#define TS_MAXY 940
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#else
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#define TS_MINX 150
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#define TS_MINY 120
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#define TS_MAXX 920
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#define TS_MAXY 940
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#endif
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// For better pressure precision, we need to know the resistance
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// between X+ and X- Use any multimeter to read it
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105
pin_magic.h
105
pin_magic.h
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@ -37,6 +37,7 @@
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// Uno port/pin : PD7 PD6 PB5 PD4 PB3 PB2 PB1 PB0
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// Mega port/pin: PH4 PH3 PB7 PG5 PB5 PB4 PH6 PH5
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// Leo port/pin : PE6 PD7 PC7 PD4 PB7 PB6 PB5 PB4
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// Due port/pin : PC23 PC24 PB27 PC26 PD7 PC29 PC21 PC22
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// Breakout pin usage:
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// LCD Data Bit : 7 6 5 4 3 2 1 0
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// Uno dig. pin : 7 6 5 4 3 2 9 8
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@ -45,6 +46,8 @@
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// Mega port/pin: PA7 PA6 PA5 PA4 PA3 PA2 PA1 PA0 (one contiguous PORT)
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// Leo dig. pin : 7 6 5 4 3 2 9 8
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// Leo port/pin : PE6 PD7 PC6 PD4 PD0 PD1 PB5 PB4
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// Due dig. pin : 40 39 38 37 36 35 34 33
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// Due port/pin : PC8 PC7 PC6 PC5 PC4 PC3 PC2 PC1 (one contiguous PORT. -ish…)
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// Pixel read operations require a minimum 400 nS delay from RD_ACTIVE
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// to polling the input pins. At 16 MHz, one machine cycle is 62.5 nS.
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@ -67,10 +70,10 @@
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// LCD control lines:
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// RD (read), WR (write), CD (command/data), CS (chip select)
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#define RD_PORT PORTC
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#define WR_PORT PORTC
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#define CD_PORT PORTC
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#define CS_PORT PORTC
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#define RD_PORT PORTC /*pin A0 */
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#define WR_PORT PORTC /*pin A1 */
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#define CD_PORT PORTC /*pin A2 */
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#define CS_PORT PORTC /*pin A3 */
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#define RD_MASK B00000001
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#define WR_MASK B00000010
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#define CD_MASK B00000100
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@ -252,13 +255,104 @@
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// program to compile.
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#define write8 write8inline
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#elif defined(__SAM3X8E__)
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// Arduino Due
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#ifdef USE_ADAFRUIT_SHIELD_PINOUT
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#define RD_PORT PIOA /*pin A0 */
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#define WR_PORT PIOA /*pin A1 */
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#define CD_PORT PIOA /*pin A2 */
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#define CS_PORT PIOA /*pin A3 */
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#define RD_MASK 0x00010000
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#define WR_MASK 0x01000000
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#define CD_MASK 0x00800000
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#define CS_MASK 0x00400000
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#define write8inline(d) { \
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PIO_Set(PIOD, (((d) & 0x08)<<(7-3))); \
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PIO_Clear(PIOD, (((~d) & 0x08)<<(7-3))); \
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PIO_Set(PIOC, (((d) & 0x01)<<(22-0)) | (((d) & 0x02)<<(21-1))| (((d) & 0x04)<<(29-2))| (((d) & 0x10)<<(26-4))| (((d) & 0x40)<<(24-6))| (((d) & 0x80)<<(23-7))); \
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PIO_Clear(PIOC, (((~d) & 0x01)<<(22-0)) | (((~d) & 0x02)<<(21-1))| (((~d) & 0x04)<<(29-2))| (((~d) & 0x10)<<(26-4))| (((~d) & 0x40)<<(24-6))| (((~d) & 0x80)<<(23-7))); \
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PIO_Set(PIOB, (((d) & 0x20)<<(27-5))); \
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PIO_Clear(PIOB, (((~d) & 0x20)<<(27-5))); \
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WR_STROBE; }
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#define read8inline(result) { \
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RD_ACTIVE; \
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delayMicroseconds(1); \
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result = (((PIOC->PIO_PDSR & (1<<23)) >> (23-7)) | ((PIOC->PIO_PDSR & (1<<24)) >> (24-6)) | \
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((PIOB->PIO_PDSR & (1<<27)) >> (27-5)) | ((PIOC->PIO_PDSR & (1<<26)) >> (26-4)) | \
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((PIOD->PIO_PDSR & (1<< 7)) >> ( 7-3)) | ((PIOC->PIO_PDSR & (1<<29)) >> (29-2)) | \
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((PIOC->PIO_PDSR & (1<<21)) >> (21-1)) | ((PIOC->PIO_PDSR & (1<<22)) >> (22-0))); \
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RD_IDLE;}
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#define setWriteDirInline() { \
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PIOD->PIO_MDDR |= 0x00000080; /*PIOD->PIO_SODR = 0x00000080;*/ PIOD->PIO_OER |= 0x00000080; PIOD->PIO_PER |= 0x00000080; \
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PIOC->PIO_MDDR |= 0x25E00000; /*PIOC->PIO_SODR = 0x25E00000;*/ PIOC->PIO_OER |= 0x25E00000; PIOC->PIO_PER |= 0x25E00000; \
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PIOB->PIO_MDDR |= 0x08000000; /*PIOB->PIO_SODR = 0x08000000;*/ PIOB->PIO_OER |= 0x08000000; PIOB->PIO_PER |= 0x08000000; }
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#define setReadDirInline() { \
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pmc_enable_periph_clk( ID_PIOD ) ; pmc_enable_periph_clk( ID_PIOC ) ; pmc_enable_periph_clk( ID_PIOB ) ; \
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PIOD->PIO_PUDR |= 0x00000080; PIOD->PIO_IFDR |= 0x00000080; PIOD->PIO_ODR |= 0x00000080; PIOD->PIO_PER |= 0x00000080; \
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PIOC->PIO_PUDR |= 0x25E00000; PIOC->PIO_IFDR |= 0x25E00000; PIOC->PIO_ODR |= 0x25E00000; PIOC->PIO_PER |= 0x25E00000; \
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PIOB->PIO_PUDR |= 0x08000000; PIOB->PIO_IFDR |= 0x08000000; PIOB->PIO_ODR |= 0x08000000; PIOB->PIO_PER |= 0x08000000; }
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// Control signals are ACTIVE LOW (idle is HIGH)
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// Command/Data: LOW = command, HIGH = data
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// These are single-instruction operations and always inline
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#define RD_ACTIVE RD_PORT->PIO_CODR |= RD_MASK
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#define RD_IDLE RD_PORT->PIO_SODR |= RD_MASK
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#define WR_ACTIVE WR_PORT->PIO_CODR |= WR_MASK
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#define WR_IDLE WR_PORT->PIO_SODR |= WR_MASK
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#define CD_COMMAND CD_PORT->PIO_CODR |= CD_MASK
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#define CD_DATA CD_PORT->PIO_SODR |= CD_MASK
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#define CS_ACTIVE CS_PORT->PIO_CODR |= CS_MASK
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#define CS_IDLE CS_PORT->PIO_SODR |= CS_MASK
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#else // Due w/Breakout board
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#define write8inline(d) { \
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PIO_Set(PIOC, (((d) & 0xFF)<<1)); \
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PIO_Clear(PIOC, (((~d) & 0xFF)<<1)); \
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WR_STROBE; }
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#define read8inline(result) { \
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RD_ACTIVE; \
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delayMicroseconds(1); \
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result = ((PIOC->PIO_PDSR & 0x1FE) >> 1); \
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RD_IDLE;}
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#define setWriteDirInline() { \
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PIOC->PIO_MDDR |= 0x000001FE; /*PIOC->PIO_SODR |= 0x000001FE;*/ PIOC->PIO_OER |= 0x000001FE; PIOC->PIO_PER |= 0x000001FE; }
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#define setReadDirInline() { \
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pmc_enable_periph_clk( ID_PIOC ) ; \
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PIOC->PIO_PUDR |= 0x000001FE; PIOC->PIO_IFDR |= 0x000001FE; PIOC->PIO_ODR |= 0x000001FE; PIOC->PIO_PER |= 0x000001FE; }
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// When using the TFT breakout board, control pins are configurable.
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#define RD_ACTIVE rdPort->PIO_CODR |= rdPinSet //PIO_Clear(rdPort, rdPinSet)
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#define RD_IDLE rdPort->PIO_SODR |= rdPinSet //PIO_Set(rdPort, rdPinSet)
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#define WR_ACTIVE wrPort->PIO_CODR |= wrPinSet //PIO_Clear(wrPort, wrPinSet)
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#define WR_IDLE wrPort->PIO_SODR |= wrPinSet //PIO_Set(wrPort, wrPinSet)
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#define CD_COMMAND cdPort->PIO_CODR |= cdPinSet //PIO_Clear(cdPort, cdPinSet)
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#define CD_DATA cdPort->PIO_SODR |= cdPinSet //PIO_Set(cdPort, cdPinSet)
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#define CS_ACTIVE csPort->PIO_CODR |= csPinSet //PIO_Clear(csPort, csPinSet)
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#define CS_IDLE csPort->PIO_SODR |= csPinSet //PIO_Set(csPort, csPinSet)
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#endif
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||||
|
||||
#else
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||||
|
||||
#error "Board type unsupported / not recognized"
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|
||||
#endif
|
||||
|
||||
// Stuff common to all Arduino board types:
|
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#if !defined(__SAM3X8E__)
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// Stuff common to all Arduino AVR board types:
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||||
|
||||
#ifdef USE_ADAFRUIT_SHIELD_PINOUT
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@ -287,6 +381,7 @@
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#define CS_IDLE *csPort |= csPinSet
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#endif
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||||
#endif
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||||
|
||||
// Data write strobe, ~2 instructions and always inline
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#define WR_STROBE { WR_ACTIVE; WR_IDLE; }
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||||
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|
|||
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Reference in a new issue