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Added maze example + fixes.

This commit is contained in:
nitko12 2020-09-21 13:24:50 +02:00
parent e16f608d31
commit a17e1e0c69
6 changed files with 319 additions and 125 deletions
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9
examples/2. Advanced Inkplate Features/05-Inkplate_SD_BMP_pictures/05-Inkplate_SD_BMP_pictures.ino
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@ -21,11 +21,10 @@
15 July 2020 by e-radionica.com 15 July 2020 by e-radionica.com
*/ */
#include "Inkplate.h" //Include Inkplate library to the sketch #include "Inkplate.h" //Include Inkplate library to the sketch
#include "SdFat.h" //Include library for SD card #include "SdFat.h" //Include library for SD card
Inkplate display( Inkplate display(INKPLATE_3BIT); // Create an object on Inkplate library and also set library into 1 Bit mode (BW)
INKPLATE_1BIT); // Create an object on Inkplate library and also set library into 1 Bit mode (BW) SdFile file; // Create SdFile object used for accessing files on SD card
SdFile file; // Create SdFile object used for accessing files on SD card
void setup() void setup()
{ {

74
examples/4. Others/4-Inkplate_Mandelbrot_set/4-Inkplate_Mandelbrot_set.ino Normal file
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@ -0,0 +1,74 @@
#include "Inkplate.h"
#define MAXITERATIONS 150
Inkplate display(INKPLATE_1BIT);
// Takes a long time to render, cca 3 minutes
// Explore different positions to draw
// Some interesting ones can be found here http://www.cuug.ab.ca/dewara/mandelbrot/Mandelbrowser.html
double xFrom = -0.7423, xTo = -0.8463;
double yFrom = 0.1092, yTo = 0.2102;
void setup()
{
Serial.begin(115200);
display.begin();
}
void loop()
{
display.clearDisplay();
for (int j = 0; j < 600; ++j)
{
for (int i = 0; i < 800; ++i)
display.drawPixel(
i, j, colorAt(xFrom + (double)i * (xTo - xFrom) / 800.0, yFrom + (double)j * (yTo - yFrom) / 600.0));
// for whole set:
// display.drawPixel(i, j, colorAt(-2.0 + (3.0 * (double)i / 800.0), -1.0 + 2.0 * (double)j / 600.0));
Serial.println(j);
}
display.display();
delay(5000);
}
struct complex
{
double re;
double im;
};
void addComplex(struct complex *z, struct complex *c)
{
z->re += c->re;
z->im += c->im;
}
void squareComplex(struct complex *z)
{
double re = z->re;
double im = z->im;
z->re = re * re - im * im;
z->im = 2 * re * im;
}
double modulusComplexSqr(struct complex *z)
{
return z->re * z->re + z->im * z->im;
}
uint8_t colorAt(double x, double y)
{
struct complex z = {0.0, 0.0};
struct complex c = {x, y};
int i;
for (i = 0; i < MAXITERATIONS && modulusComplexSqr(&z) <= 4.0; ++i)
{
squareComplex(&z);
addComplex(&z, &c);
}
return i == MAXITERATIONS;
}

122
examples/4. Others/5-Inkplate_Maze_Generator/5-Inkplate_Maze_Generator.ino Normal file
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@ -0,0 +1,122 @@
#include "Inkplate.h"
Inkplate display(INKPLATE_1BIT);
const int cellSize = 10;
const int w = 790 / cellSize, h = 590 / cellSize;
char maze[w * h];
int dx[] = {-1, 0, 0, 1};
int dy[] = {0, -1, 1, 0};
void setup()
{
Serial.begin(115200);
display.begin();
// Generate and display the maze
generateMaze(maze, w, h);
showMaze(maze, w, h);
}
void loop()
{
}
// Display the maze
void showMaze(const char *maze, int width, int height)
{
for (int y = 0; y < height; y++)
for (int x = 0; x < width; x++)
if (maze[x + y * width] == 1)
for (int i = 0; i < 4; ++i)
{
int xx = x + dx[i];
int yy = y + dy[i];
if (0 <= xx && xx < w && 0 <= yy && yy < h && maze[yy * width + xx] == 1)
display.drawLine(3 + x * cellSize + cellSize / 2, 3 + y * cellSize + cellSize / 2,
3 + x * cellSize + cellSize / 2 + (dx[i] * cellSize / 2),
3 + y * cellSize + cellSize / 2 + (dy[i] * cellSize / 2), BLACK);
}
display.display();
}
// Carve the maze starting at x, y.
void carveMaze(char *maze, int width, int height, int x, int y)
{
int x1, y1;
int x2, y2;
int dx, dy;
int dir, count;
dir = random(4);
count = 0;
while (count < 4)
{
dx = 0;
dy = 0;
switch (dir)
{
case 0:
dx = 1;
break;
case 1:
dy = 1;
break;
case 2:
dx = -1;
break;
default:
dy = -1;
break;
}
x1 = x + dx;
y1 = y + dy;
x2 = x1 + dx;
y2 = y1 + dy;
if (x2 > 0 && x2 < width && y2 > 0 && y2 < height && maze[y1 * width + x1] == 1 && maze[y2 * width + x2] == 1)
{
maze[y1 * width + x1] = 0;
maze[y2 * width + x2] = 0;
x = x2;
y = y2;
dir = random(4);
count = 0;
}
else
{
dir = (dir + 1) % 4;
count += 1;
}
}
}
// Generate maze in matrix maze with size width, height.
void generateMaze(char *maze, int width, int height)
{
int x, y;
// Initialize the maze.
for (x = 0; x < width * height; x++)
{
maze[x] = 1;
}
maze[1 * width + 1] = 0;
// Seed the random number generator.
srand(time(0));
// Carve the maze.
for (y = 1; y < height; y += 2)
{
for (x = 1; x < width; x += 2)
{
carveMaze(maze, width, height, x, y);
}
}
// Set up the entry and exit.
maze[0 * width + 1] = 0;
maze[(height - 1) * width + (width - 2)] = 0;
}

211
src/Inkplate.cpp
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@ -1,94 +1,94 @@
#include "Inkplate.h" #include "Inkplate.h"
#define CL 0x01 #define CL 0x01
#define CL_SET \ #define CL_SET \
{ \ { \
GPIO.out_w1ts = CL; \ GPIO.out_w1ts = CL; \
} }
#define CL_CLEAR \ #define CL_CLEAR \
{ \ { \
GPIO.out_w1tc = CL; \ GPIO.out_w1tc = CL; \
} }
#define CKV 0x01 #define CKV 0x01
#define CKV_SET \ #define CKV_SET \
{ \ { \
GPIO.out1_w1ts.val = CKV; \ GPIO.out1_w1ts.val = CKV; \
} }
#define CKV_CLEAR \ #define CKV_CLEAR \
{ \ { \
GPIO.out1_w1tc.val = CKV; \ GPIO.out1_w1tc.val = CKV; \
} }
#define SPH 0x02 #define SPH 0x02
#define SPH_SET \ #define SPH_SET \
{ \ { \
GPIO.out1_w1ts.val = SPH; \ GPIO.out1_w1ts.val = SPH; \
} }
#define SPH_CLEAR \ #define SPH_CLEAR \
{ \ { \
GPIO.out1_w1tc.val = SPH; \ GPIO.out1_w1tc.val = SPH; \
} }
#define LE 0x04 #define LE 0x04
#define LE_SET \ #define LE_SET \
{ \ { \
GPIO.out_w1ts = LE; \ GPIO.out_w1ts = LE; \
} }
#define LE_CLEAR \ #define LE_CLEAR \
{ \ { \
GPIO.out_w1tc = LE; \ GPIO.out_w1tc = LE; \
} }
#define OE 0 #define OE 0
#define OE_SET \ #define OE_SET \
{ \ { \
digitalWriteMCP(OE, HIGH); \ digitalWriteMCP(OE, HIGH); \
} }
#define OE_CLEAR \ #define OE_CLEAR \
{ \ { \
digitalWriteMCP(OE, LOW); \ digitalWriteMCP(OE, LOW); \
} }
#define GMOD 1 #define GMOD 1
#define GMOD_SET \ #define GMOD_SET \
{ \ { \
digitalWriteMCP(GMOD, HIGH); \ digitalWriteMCP(GMOD, HIGH); \
} }
#define GMOD_CLEAR \ #define GMOD_CLEAR \
{ \ { \
digitalWriteMCP(GMOD, LOW); \ digitalWriteMCP(GMOD, LOW); \
} }
#define SPV 2 #define SPV 2
#define SPV_SET \ #define SPV_SET \
{ \ { \
digitalWriteMCP(SPV, HIGH); \ digitalWriteMCP(SPV, HIGH); \
} }
#define SPV_CLEAR \ #define SPV_CLEAR \
{ \ { \
digitalWriteMCP(SPV, LOW); \ digitalWriteMCP(SPV, LOW); \
} }
#define WAKEUP 3 #define WAKEUP 3
#define WAKEUP_SET \ #define WAKEUP_SET \
{ \ { \
digitalWriteMCP(WAKEUP, HIGH); \ digitalWriteMCP(WAKEUP, HIGH); \
} }
#define WAKEUP_CLEAR \ #define WAKEUP_CLEAR \
{ \ { \
digitalWriteMCP(WAKEUP, LOW); \ digitalWriteMCP(WAKEUP, LOW); \
} }
#define PWRUP 4 #define PWRUP 4
#define PWRUP_SET \ #define PWRUP_SET \
{ \ { \
digitalWriteMCP(PWRUP, HIGH); \ digitalWriteMCP(PWRUP, HIGH); \
} }
#define PWRUP_CLEAR \ #define PWRUP_CLEAR \
{ \ { \
digitalWriteMCP(PWRUP, LOW); \ digitalWriteMCP(PWRUP, LOW); \
} }
#define VCOM 5 #define VCOM 5
#define VCOM_SET \ #define VCOM_SET \
{ \ { \
digitalWriteMCP(VCOM, HIGH); \ digitalWriteMCP(VCOM, HIGH); \
} }
#define VCOM_CLEAR \ #define VCOM_CLEAR \
{ \ { \
digitalWriteMCP(VCOM, LOW); \ digitalWriteMCP(VCOM, LOW); \
} }
#define GPIO0_ENABLE 8 #define GPIO0_ENABLE 8
@ -198,14 +198,14 @@ void Inkplate::display1b()
uint8_t data; uint8_t data;
uint8_t dram; uint8_t dram;
einkOn(); einkOn();
cleanFast(0, 1); cleanFast(0, 1);
cleanFast(1, 16); cleanFast(1, 16);
cleanFast(2, 1); cleanFast(2, 1);
cleanFast(0, 11); cleanFast(0, 11);
cleanFast(2, 1); cleanFast(2, 1);
cleanFast(1, 16); cleanFast(1, 16);
cleanFast(2, 1); cleanFast(2, 1);
cleanFast(0, 11); cleanFast(0, 11);
for (int k = 0; k < 4; ++k) for (int k = 0; k < 4; ++k)
{ {
uint8_t *DMemoryNewPtr = DMemoryNew + 59999; uint8_t *DMemoryNewPtr = DMemoryNew + 59999;
@ -303,14 +303,14 @@ void Inkplate::display1b()
void Inkplate::display3b() void Inkplate::display3b()
{ {
einkOn(); einkOn();
cleanFast(0, 1); cleanFast(0, 1);
cleanFast(1, 16); cleanFast(1, 16);
cleanFast(2, 1); cleanFast(2, 1);
cleanFast(0, 11); cleanFast(0, 11);
cleanFast(2, 1); cleanFast(2, 1);
cleanFast(1, 16); cleanFast(1, 16);
cleanFast(2, 1); cleanFast(2, 1);
cleanFast(0, 11); cleanFast(0, 11);
for (int k = 0; k < 8; ++k) for (int k = 0; k < 8; ++k)
{ {
@ -489,50 +489,50 @@ void Inkplate::cleanFast(uint8_t c, uint8_t rep)
} }
} }
//Turn off epaper power supply and put all digital IO pins in high Z state // Turn off epaper power supply and put all digital IO pins in high Z state
void Inkplate::einkOff() void Inkplate::einkOff()
{ {
if (getPanelState() == 0) if (getPanelState() == 0)
return; return;
OE_CLEAR; OE_CLEAR;
GMOD_CLEAR; GMOD_CLEAR;
GPIO.out &= ~(DATA | LE | CL); GPIO.out &= ~(DATA | LE | CL);
CKV_CLEAR; CKV_CLEAR;
SPH_CLEAR; SPH_CLEAR;
SPV_CLEAR; SPV_CLEAR;
VCOM_CLEAR; VCOM_CLEAR;
delay(6); delay(6);
PWRUP_CLEAR; PWRUP_CLEAR;
WAKEUP_CLEAR; WAKEUP_CLEAR;
delay(50); delay(50);
pinsZstate(); pinsZstate();
setPanelState(0); setPanelState(0);
} }
//Turn on supply for epaper display (TPS65186) [+15 VDC, -15VDC, +22VDC, -20VDC, +3.3VDC, VCOM] // Turn on supply for epaper display (TPS65186) [+15 VDC, -15VDC, +22VDC, -20VDC, +3.3VDC, VCOM]
void Inkplate::einkOn() void Inkplate::einkOn()
{ {
if (getPanelState() == 1) if (getPanelState() == 1)
return; return;
WAKEUP_SET; WAKEUP_SET;
delay(1); delay(1);
Wire.beginTransmission(0x48); Wire.beginTransmission(0x48);
Wire.write(0x09); Wire.write(0x09);
Wire.write(B00011011); //Power up seq. Wire.write(B00011011); // Power up seq.
Wire.write(B00000000); //Power up delay (3mS per rail) Wire.write(B00000000); // Power up delay (3mS per rail)
Wire.write(B00011011); //Power down seq. Wire.write(B00011011); // Power down seq.
Wire.write(B00000000); //Power down delay (6mS per rail) Wire.write(B00000000); // Power down delay (6mS per rail)
Wire.endTransmission(); Wire.endTransmission();
PWRUP_SET; PWRUP_SET;
//Enable all rails // Enable all rails
Wire.beginTransmission(0x48); Wire.beginTransmission(0x48);
Wire.write(0x01); Wire.write(0x01);
Wire.write(B00111111); Wire.write(B00111111);
Wire.endTransmission(); Wire.endTransmission();
pinsAsOutputs(); pinsAsOutputs();
LE_CLEAR; LE_CLEAR;
OE_CLEAR; OE_CLEAR;
CL_CLEAR; CL_CLEAR;
@ -541,11 +541,11 @@ void Inkplate::einkOn()
SPV_SET; SPV_SET;
CKV_CLEAR; CKV_CLEAR;
OE_CLEAR; OE_CLEAR;
VCOM_SET; VCOM_SET;
Wire.beginTransmission(0x48); Wire.beginTransmission(0x48);
Wire.write(0x0D); Wire.write(0x0D);
Wire.write(B10000000); Wire.write(B10000000);
Wire.endTransmission(); Wire.endTransmission();
delay(5); delay(5);
Wire.beginTransmission(0x48); Wire.beginTransmission(0x48);
@ -554,11 +554,12 @@ void Inkplate::einkOn()
Wire.requestFrom(0x48, 1); Wire.requestFrom(0x48, 1);
setTemperature(Wire.read()); setTemperature(Wire.read());
pinModeMCP(7, INPUT_PULLUP); pinModeMCP(7, INPUT_PULLUP);
while(!digitalReadMCP(7)); while (!digitalReadMCP(7))
OE_SET; ;
setPanelState(1); OE_SET;
setPanelState(1);
} }
// LOW LEVEL FUNCTIONS // LOW LEVEL FUNCTIONS
@ -594,7 +595,7 @@ void Inkplate::hscan_start(uint32_t _d)
GPIO.out_w1ts = (_d) | CL; GPIO.out_w1ts = (_d) | CL;
GPIO.out_w1tc = DATA | CL; GPIO.out_w1tc = DATA | CL;
SPH_SET; SPH_SET;
CKV_SET; CKV_SET;
} }
void Inkplate::vscan_end() void Inkplate::vscan_end()

12
src/Inkplate.h
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@ -7,9 +7,9 @@
#error "Wrong board selected! Select ESP32 Wrover from board menu!" #error "Wrong board selected! Select ESP32 Wrover from board menu!"
#endif #endif
#include "SPI.h"
#include "include/Graphics.h" #include "include/Graphics.h"
#include "include/System.h" #include "include/System.h"
#include "SPI.h"
#include "libs/SdFat/SdFat.h" #include "libs/SdFat/SdFat.h"
#include "include/defines.h" #include "include/defines.h"
@ -19,7 +19,7 @@ extern SdFat sd;
class Inkplate : public System, public Graphics class Inkplate : public System, public Graphics
{ {
public: public:
Inkplate(uint8_t _mode); Inkplate(uint8_t _mode);
void begin(void); void begin(void);
@ -30,6 +30,7 @@ public:
void einkOn(); void einkOn();
void einkOff(); void einkOff();
void cleanFast(uint8_t c, uint8_t rep);
bool joinAP(const char *ssid, const char *pass) bool joinAP(const char *ssid, const char *pass)
{ {
@ -44,12 +45,11 @@ public:
return NetworkClient::isConnected(); return NetworkClient::isConnected();
}; };
private: private:
void precalculateGamma(uint8_t *c, float gamma); void precalculateGamma(uint8_t *c, float gamma);
void display1b(); void display1b();
void display3b(); void display3b();
void cleanFast(uint8_t c, uint8_t rep);
void vscan_start(); void vscan_start();
void vscan_end(); void vscan_end();
void hscan_start(uint32_t _d = 0); void hscan_start(uint32_t _d = 0);
@ -60,7 +60,9 @@ private:
uint8_t _beginDone = 0; uint8_t _beginDone = 0;
const uint8_t waveform3Bit[8][8] = {{0, 0, 0, 0, 1, 1, 1, 0}, {1, 2, 2, 2, 1, 1, 1, 0}, {0, 1, 2, 1, 1, 2, 1, 0}, {0, 2, 1, 2, 1, 2, 1, 0}, {0, 0, 0, 1, 1, 1, 2, 0}, {2, 1, 1, 1, 2, 1, 2, 0}, {1, 1, 1, 2, 1, 2, 2, 0}, {0, 0, 0, 0, 0, 0, 2, 0}}; const uint8_t waveform3Bit[8][8] = {{0, 0, 0, 0, 1, 1, 1, 0}, {1, 2, 2, 2, 1, 1, 1, 0}, {0, 1, 2, 1, 1, 2, 1, 0},
{0, 2, 1, 2, 1, 2, 1, 0}, {0, 0, 0, 1, 1, 1, 2, 0}, {2, 1, 1, 1, 2, 1, 2, 0},
{1, 1, 1, 2, 1, 2, 2, 0}, {0, 0, 0, 0, 0, 0, 2, 0}};
const uint32_t waveform[50] = { const uint32_t waveform[50] = {
0x00000008, 0x00000008, 0x00200408, 0x80281888, 0x60A81898, 0x60A8A8A8, 0x60A8A8A8, 0x6068A868, 0x6868A868, 0x00000008, 0x00000008, 0x00200408, 0x80281888, 0x60A81898, 0x60A8A8A8, 0x60A8A8A8, 0x6068A868, 0x6868A868,
0x6868A868, 0x68686868, 0x6A686868, 0x5A686868, 0x5A686868, 0x5A586A68, 0x5A5A6A68, 0x5A5A6A68, 0x55566A68, 0x6868A868, 0x68686868, 0x6A686868, 0x5A686868, 0x5A686868, 0x5A586A68, 0x5A5A6A68, 0x5A5A6A68, 0x55566A68,

16
src/include/ImageBMP.cpp
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@ -101,7 +101,7 @@ bool Image::drawBitmapFromSd(SdFile *p, int x, int y, bool dither, bool invert)
{ {
int16_t n = ROWSIZE(w, c); int16_t n = ROWSIZE(w, c);
p->read(pixelBuffer, n); p->read(pixelBuffer, n);
displayBmpLine(x, y + bmpHeader.height - i, &bmpHeader, dither, invert); displayBmpLine(x, y + bmpHeader.height - i - 1, &bmpHeader, dither, invert);
} }
return 1; return 1;
} }
@ -144,7 +144,7 @@ bool Image::drawBitmapFromBuffer(uint8_t *buf, int x, int y, bool dither, bool i
for (int i = 0; i < bmpHeader.height; ++i) for (int i = 0; i < bmpHeader.height; ++i)
{ {
memcpy(pixelBuffer, bufferPtr, ROWSIZE(bmpHeader.width, bmpHeader.color)); memcpy(pixelBuffer, bufferPtr, ROWSIZE(bmpHeader.width, bmpHeader.color));
displayBmpLine(x, y + bmpHeader.height - i, &bmpHeader, dither, invert); displayBmpLine(x, y + bmpHeader.height - i - 1, &bmpHeader, dither, invert);
bufferPtr += ROWSIZE(bmpHeader.width, bmpHeader.color); bufferPtr += ROWSIZE(bmpHeader.width, bmpHeader.color);
} }
@ -166,8 +166,7 @@ void Image::displayBmpLine(int16_t x, int16_t y, bitmapHeader *bmpHeader, bool d
writePixel(x + j, y, (invert ^ (palette[0] < palette[1])) ^ !!(pixelBuffer[j >> 3] & (1 << (7 - (j & 7))))); writePixel(x + j, y, (invert ^ (palette[0] < palette[1])) ^ !!(pixelBuffer[j >> 3] & (1 << (7 - (j & 7)))));
break; break;
// as for 2 bit, literally cannot find an example online or in PS, so skipped // as for 2 bit, literally cannot find an example online or in PS, so skipped
case 4: case 4: {
{
uint8_t px = pixelBuffer[j >> 1] & (j & 1 ? 0x0F : 0xF0) >> (j & 1 ? 0 : 4); uint8_t px = pixelBuffer[j >> 1] & (j & 1 ? 0x0F : 0xF0) >> (j & 1 ? 0 : 4);
uint8_t val; uint8_t val;
@ -183,8 +182,7 @@ void Image::displayBmpLine(int16_t x, int16_t y, bitmapHeader *bmpHeader, bool d
writePixel(x + j, y, val); writePixel(x + j, y, val);
break; break;
} }
case 8: case 8: {
{
uint8_t px = pixelBuffer[j]; uint8_t px = pixelBuffer[j];
uint8_t val; uint8_t val;
@ -200,8 +198,7 @@ void Image::displayBmpLine(int16_t x, int16_t y, bitmapHeader *bmpHeader, bool d
writePixel(x + j, y, val); writePixel(x + j, y, val);
break; break;
} }
case 16: case 16: {
{
uint16_t px = ((uint16_t)pixelBuffer[(j << 1) | 1] << 8) | pixelBuffer[(j << 1)]; uint16_t px = ((uint16_t)pixelBuffer[(j << 1) | 1] << 8) | pixelBuffer[(j << 1)];
uint8_t r = (px & 0x7C00) >> 7; uint8_t r = (px & 0x7C00) >> 7;
@ -222,8 +219,7 @@ void Image::displayBmpLine(int16_t x, int16_t y, bitmapHeader *bmpHeader, bool d
writePixel(x + j, y, val); writePixel(x + j, y, val);
break; break;
} }
case 24: case 24: {
{
uint8_t r = pixelBuffer[j * 3]; uint8_t r = pixelBuffer[j * 3];
uint8_t g = pixelBuffer[j * 3 + 1]; uint8_t g = pixelBuffer[j * 3 + 1];
uint8_t b = pixelBuffer[j * 3 + 2]; uint8_t b = pixelBuffer[j * 3 + 2];