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ESP32-HUB75-MatrixPanel-DMA/examples/One_Quarter_1_4_ScanPanel/OneQuarterScanMatrixPanel.h
Mike Causer 7ed06c1217 Fix some typos
2021-10-17 01:00:43 +11:00

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/*
Patch class for 32x16 RGB Matrix panels
reimplement all functions which use x,y coordinates
*/
#ifndef ESP_HUB75_32x16MatrixPanel
#define ESP_HUB75_32x16MatrixPanel
#include "ESP32-HUB75-MatrixPanel-I2S-DMA.h"
#include <Fonts/FreeSansBold12pt7b.h>
#include "glcdfont.c"
struct VirtualCoords {
int16_t x;
int16_t y;
};
#define VP_WIDTH 32
#define VP_HEIGHT 16
#define DEFAULT_FONT_W 5
#define DEFAULT_FONT_H 7
#define PIXEL_SPACE 1 // space between chars in a string
/* --- PRINTF_BYTE_TO_BINARY macro's --- */
#define PRINTF_BINARY_PATTERN_INT8 "%c%c%c%c%c%c%c%c"
#define PRINTF_BYTE_TO_BINARY_INT8(i) \
(((i) & 0x80ll) ? '1' : '0'), \
(((i) & 0x40ll) ? '1' : '0'), \
(((i) & 0x20ll) ? '1' : '0'), \
(((i) & 0x10ll) ? '1' : '0'), \
(((i) & 0x08ll) ? '1' : '0'), \
(((i) & 0x04ll) ? '1' : '0'), \
(((i) & 0x02ll) ? '1' : '0'), \
(((i) & 0x01ll) ? '1' : '0')
#define PRINTF_BINARY_PATTERN_INT16 \
PRINTF_BINARY_PATTERN_INT8 PRINTF_BINARY_PATTERN_INT8
#define PRINTF_BYTE_TO_BINARY_INT16(i) \
PRINTF_BYTE_TO_BINARY_INT8((i) >> 8), PRINTF_BYTE_TO_BINARY_INT8(i)
/* --- end macros --- */
class QuarterScanMatrixPanel : public Adafruit_GFX
{
public:
MatrixPanel_I2S_DMA *display;
QuarterScanMatrixPanel(MatrixPanel_I2S_DMA &disp) : Adafruit_GFX(64, 32)
{
this->display = &disp;
size_x = size_y = 1 ;
wrap = false;
cursor_x = cursor_y = 0;
dir = 1;
loop = true;
}
VirtualCoords getCoords(int16_t x, int16_t y);
int16_t getVirtualX(int16_t x) {
VirtualCoords coords = getCoords(x, 0);
return coords.x;
}
int16_t getVirtualY(int16_t y) {
VirtualCoords coords = getCoords(0,y);
return coords.y;
}
// int16_t getVirtualY(int16_t y) {return getCoords(0,y).y;}
/** extended function to draw lines/rects/... **/
virtual uint8_t width() {return VP_WIDTH;};
virtual uint8_t height() {return VP_HEIGHT;};
virtual void drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color);
virtual void drawHLine(int16_t x0, int16_t y0, int16_t w, uint16_t color);
virtual void drawVLine(int16_t x0, int16_t y0, int16_t h, uint16_t color);
virtual void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
virtual void drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t bg, uint8_t size);
virtual void drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t bg, uint8_t size_x, uint8_t size_y);
virtual void scrollChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t bg, uint16_t dir, uint16_t speed);
virtual void drawString(int16_t x, int16_t y, unsigned char* c, uint16_t color, uint16_t bg);
virtual size_t write(unsigned char c); // write a character on current cursor position
virtual size_t write(const char *str); // write a character array (string) on current cursor position
virtual void setTextWrap(bool w);
virtual void setCursor (int16_t x, int16_t y);
void setTextFGColor(uint16_t color) {textFGColor = color;};
void setTextBGColor(uint16_t color) {textBGColor = color;};
void setTextSize(uint8_t x, uint8_t y) {size_x = x; size_y = y;}; // magnification, default = 1
void setScrollDir(uint8_t d = 1) { dir = (d != 1) ? 0 : 1;}; // set scroll dir default = 1
void setScroolLoop (bool b = true) { loop = b;} ; // scroll text in a loop, default true
void scrollText(const char *str, uint16_t speed, uint16_t pixels);
/**------------------------------------------**/
// equivalent methods of the matrix library so it can be just swapped out.
virtual void drawPixel(int16_t x, int16_t y, uint16_t color);
virtual void fillScreen(uint16_t color); // overwrite adafruit implementation
void clearScreen() { fillScreen(0); }
//void drawPixelRGB565(int16_t x, int16_t y, uint16_t color);
void drawPixelRGB888(int16_t x, int16_t y, uint8_t r, uint8_t g, uint8_t b);
//void drawPixelRGB24(int16_t x, int16_t y, RGB24 color);
void drawIcon (int *ico, int16_t x, int16_t y, int16_t module_cols, int16_t module_rows);
uint16_t color444(uint8_t r, uint8_t g, uint8_t b) {
return display->color444(r, g, b);
}
uint16_t color565(uint8_t r, uint8_t g, uint8_t b) {
return display->color565(r, g, b);
}
uint16_t color333(uint8_t r, uint8_t g, uint8_t b) {
return display->color333(r, g, b);
}
void flipDMABuffer() { display->flipDMABuffer(); }
void showDMABuffer() { display->showDMABuffer(); }
void drawDisplayTest();
protected:
int16_t cursor_x, cursor_y; // Cursor position
uint8_t size_x, size_y; // Font size Multiplier default = 1 => 5x7 Font (5width,7Height)
uint16_t textFGColor, textBGColor;
bool wrap ; // < If set, 'wrap' text at right edge of display
uint8_t dir ; // used for scrolling text direction
bool loop ; // used for scrolling text in a loop
private:
VirtualCoords coords;
}; // end Class header
/***************************************************************************************
@brief scroll text from right to left or vice versa on current cursor position
please note, this function is not interruptable.
@param *c pointer to \0 terminated string
@param pixels number of pixels to scroll, if 0, than scroll complete text
@param speed velocity of scrolling in ms
***************************************************************************************/
void QuarterScanMatrixPanel::scrollText(const char *str,uint16_t speed, uint16_t pixels = 0) {
// first we put all columns of every char inside str into a big array of lines
// than we move through this array and draw line per line and move this line
// one position to dir
const uint8_t xSize = 6;
uint16_t len = strlen(str);
uint8_t array[len * xSize]; // size of array number of chars * width of char
//uint16_t lenArray = sizeof(array)/sizeof(array[0]);
uint16_t aPtr = 0;
//
// generate array
char c = *str;
// Serial.printf("size *str (%d), size array: (%d) \n", len, lenArray);
while (c) {
// Serial.printf("** %c ** \n", c);
// read font line per line. A line is a column inside a char
for (int8_t i = 0; i < 5; i++) {
uint8_t line = pgm_read_byte(&font[c * 5 + i]);
array[aPtr++] = line;
// Serial.printf("%d - Line " PRINTF_BINARY_PATTERN_INT8 "\n", i, PRINTF_BYTE_TO_BINARY_INT8(line) );
}
str++;
c = *str;
array[aPtr++] = 0x00; // line with 0 (space between chars)
}
array[aPtr++] = 0x00; // line with 0 (space between chars)
/*
Serial.printf("---------------------------- \n");
for (aPtr=0; aPtr < (len*xSize); aPtr++) {
Serial.printf("%d - Line " PRINTF_BINARY_PATTERN_INT8 "\n", aPtr, PRINTF_BYTE_TO_BINARY_INT8(array[aPtr]) );
}
*/
int16_t x,y,lastX, p;
lastX = (dir) ? VP_WIDTH : 0;
x = cursor_x;
y = cursor_y;
Serial.printf("X: %d, Y: %d \n", x,y);
p=0;
pixels = (pixels) ? pixels : len * xSize;
while (p <= pixels) {
// remove last pixel positions
fillRect(x,y,5,7,textBGColor);
// set new pixel position
x = (dir) ? lastX - p : lastX + p - pixels;
// iterator through our array
for (uint8_t i=0; i < (len*xSize); i++) {
uint8_t line = array[i];
//Serial.printf("%d:%d : " PRINTF_BINARY_PATTERN_INT8 "\n", x, i, PRINTF_BYTE_TO_BINARY_INT8(line) );
// read line and shift from right to left
// start with bit 0 (top of char) to 7(bottom)
for (uint8_t j=0; j < 8; j++, line>>=1) {
if (line & 1) {
// got 1, if x + i outside panel ignore pixel
if (x + i >= 0 && x + i < VP_WIDTH) {
drawPixel(x + i, y + j, textFGColor);
}
}
else {
// got 0
if (x + i >= 0 && x + i < VP_WIDTH) {
drawPixel(x + i, y + j, textBGColor);
}
} // if
} // for j
} // for i
p++;
delay(speed);
} // while
}
inline size_t QuarterScanMatrixPanel::write(const char *str) {
uint8_t x, y;
x=cursor_x;
y=cursor_y;
char c = *str;
while (c) {
//Serial.printf("%c ", c);
write(c);
str++;
c = *str;
x = x + ((DEFAULT_FONT_W + PIXEL_SPACE) * size_x);
setCursor(x,y);
}
Serial.printf("\n");
return 1;
}
inline size_t QuarterScanMatrixPanel::write(unsigned char c) {
Serial.printf("\twrite(%d, %d, %c)\n", cursor_x, cursor_y, c);
drawChar(cursor_x, cursor_y, c, textFGColor, textBGColor, size_x, size_y);
return 1;
}
void QuarterScanMatrixPanel::setTextWrap(bool w) {this->display->setTextWrap(w);}
void QuarterScanMatrixPanel::setCursor(int16_t x, int16_t y) {
cursor_x = x;
cursor_y = y;
}
/* - new for 16x32 panels - */
inline void QuarterScanMatrixPanel::drawLine(int16_t x, int16_t y, int16_t x1, int16_t y1, uint16_t color)
{
int16_t a,b;
for (a=x; a <= x1; a++) {
for (b=y; b <= y1; b++) {
drawPixel(a,b,color);
}
}
}
inline void QuarterScanMatrixPanel::drawHLine(int16_t x, int16_t y, int16_t w, uint16_t color)
{
drawLine(x,y,x+w,y, color);
}
inline void QuarterScanMatrixPanel::drawVLine(int16_t x, int16_t y, int16_t h, uint16_t color)
{
drawLine(x,y,x,y+h, color);
}
inline void QuarterScanMatrixPanel::fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color)
{
for (int16_t i = x; i < x + w; i++) {
drawVLine(i, y, h, color);
}
}
void QuarterScanMatrixPanel::drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t bg, uint8_t size)
{
drawChar(x,y,c,color, bg, size, size);
}
inline void QuarterScanMatrixPanel::scrollChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t bg, uint16_t dir, uint16_t speed){
if ((x >= VP_WIDTH) ||
(y >= VP_HEIGHT) ||
((x + 6 * size_x-1) < 0) ||
((y + 8 * size_y-1) <0))
return;
setTextWrap(true);
// text wrap is only for the right end of the panel, to scroll soft out of the left of panel
// algorithm should wrap the character from left to right
// loop s = scroll-loop, scrolls char 5 pixels into dir
uint8_t lastX = x;
for (int8_t s = 0; s < 6; s++) {
// loop i : width of a character
Serial.printf("X:%d ", x);
// clear current position
fillRect(x,y,5,7,0);
x = lastX - s;
for (int8_t i = 0; i < 5; i++) {
// first line is the first vertical part of a character and 8bits long
// last bit is everytime 0
// we read 5 lines with 8 bit (5x7 char + 8bit with zeros)
// Example : char A (90deg cw)
// 01111100
// 00010010
// 00010001
// 00010010
// 01111100
uint8_t line = pgm_read_byte(&font[c * 5 + i]);
// shift from right to left bit per bit
// loop j = height of a character
// loop through a column of current character
Serial.printf("i:%d ", i);
// ignore all pixels outside panel
if (x+i >= VP_WIDTH) continue;
for (int8_t j=0; j < 8; j++, line >>= 1) {
if (line & 1) {
Serial.printf
(" ON %d", x+i);
// we read 1
if (x >= 0) {
drawPixel(x+i, y+j, color);
}
else if (x+i >= 0) {
drawPixel(x+i, y+j, color);
}
}
else if (bg != color) {
// we read 0
Serial.printf(" OFF %d", x+i);
if (x >= 0) {
drawPixel(x+i, y+j, bg);
}
else if (x+i >= 0) {
drawPixel(x+i, y+j, bg);
}
}
}
}
Serial.printf("\n");
delay(speed);
}
}
inline void QuarterScanMatrixPanel::drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t bg, uint8_t size_x, uint8_t size_y)
{
//Serial.printf("unmapped : drawChar(%d, %d, %c) \n",x, y, c);
// note: remapping to 16x32 coordinates is done inside drawPixel() or fillRect
if ((x >= VP_WIDTH) ||
(y >= VP_HEIGHT) ||
((x + 6 * size_x-1) < 0) ||
((y + 8 * size_y-1) <0))
return;
//Serial.printf("Font-Array : %d \n", sizeof(font));
for (int8_t i = 0; i < 5; i++) {
uint8_t line = pgm_read_byte(&font[c * 5 + i]);
//Serial.printf("%d - Line " PRINTF_BINARY_PATTERN_INT8 "\n", i, PRINTF_BYTE_TO_BINARY_INT8(line) );
for (int8_t j = 0; j < 8; j++, line >>= 1) {
if (line & 1) {
if (size_x == 1 && size_y == 1)
//Serial.printf("");
drawPixel(x + i, y + j, color);
else
// remark: it's important to call function with original coordinates for x/y
fillRect(x + i * size_x, y + j * size_y, size_x, size_y,
color);
} else if (bg != color) {
if (size_x == 1 && size_y == 1)
drawPixel(x + i, y + j, bg);
else
// remark: it's important to call function with original coordinates for x/y
fillRect(x + i * size_x, y + j * size_y, size_x, size_y, bg);
}
}
}
}
inline void QuarterScanMatrixPanel::drawString(int16_t x, int16_t y, unsigned char* c, uint16_t color, uint16_t bg) {
}
inline VirtualCoords QuarterScanMatrixPanel::getCoords(int16_t x, int16_t y)
{
const int y_remap[] = { 0,1,8,9,4,5,12,13,16,17,24,25,22,23,30,31 };
if (y > VP_HEIGHT)
y = VP_HEIGHT;
if (x > VP_WIDTH)
x = VP_WIDTH;
coords.x = x + VP_WIDTH;
coords.y = y_remap[y];
return coords;
}
/* -------------------------*/
inline void QuarterScanMatrixPanel::drawPixel(int16_t x, int16_t y, uint16_t color)
{
VirtualCoords coords = getCoords(x, y);
this->display->drawPixel(coords.x, coords.y, color);
}
inline void QuarterScanMatrixPanel::fillScreen(uint16_t color) // adafruit virtual void override
{
// No need to map this.
this->display->fillScreen(color);
}
/*
inline void QuarterScanMatrixPanel::drawPixelRGB565(int16_t x, int16_t y, uint16_t color)
{
VirtualCoords coords = getCoords(x, y);
this->display->drawPixelRGB565( coords.x, coords.y, color);
}
*/
inline void QuarterScanMatrixPanel::drawPixelRGB888(int16_t x, int16_t y, uint8_t r, uint8_t g, uint8_t b)
{
VirtualCoords coords = getCoords(x, y);
this->display->drawPixelRGB888( coords.x, coords.y, r, g, b);
}
/*
inline void QuarterScanMatrixPanel::drawPixelRGB24(int16_t x, int16_t y, RGB24 color)
{
VirtualCoords coords = getCoords(x, y);
this->display->drawPixelRGB24(coords.x, coords.y, color);
}
*/
// need to recreate this one, as it wouldn't work to just map where it starts.
inline void QuarterScanMatrixPanel::drawIcon (int *ico, int16_t x, int16_t y, int16_t module_cols, int16_t module_rows) { }
#endif
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