初始化提交

This commit is contained in:
王立帮
2024-07-20 22:09:06 +08:00
commit c247dd07a6
6876 changed files with 2743096 additions and 0 deletions

View File

@@ -0,0 +1,646 @@
#include "Matrix.h"
uint8_t const I2C_READ = 1;
uint8_t const I2C_WRITE = 0;
uint8_t const I2C_DELAY_USEC = 4;
Matrix::Matrix(uint8_t sda_port,uint8_t scl_port)
{
SCL_pin = scl_port;
SDA_pin = sda_port;
}
void Matrix::setBrightness(uint8_t b) {
if (b > 15) b = 15;
IICstart(i2c_addr | I2C_WRITE);
IICwrite(0xE0 | b);
IICstop();
}
void Matrix::blinkRate(uint8_t b) {
IICstart(i2c_addr | I2C_WRITE);
if (b > 3) b = 0; // turn off if not sure
IICwrite(HT16K33_BLINK_CMD | HT16K33_BLINK_DISPLAYON | (b << 1));
IICstop();
}
void Matrix::begin(uint8_t _addr = 0x70) {
IICbegin(SDA_pin,SCL_pin);
constructor(8, 8);
i2c_addr = _addr;
i2c_addr <<= 1;
IICstart(i2c_addr | I2C_WRITE);
IICwrite(0x21); // turn on oscillator
IICstop();
blinkRate(HT16K33_BLINK_OFF);
setBrightness(15); // max brightness
}
void Matrix::write(void) {
IICstart(i2c_addr | I2C_WRITE);
IICwrite((uint8_t)0x00); // start at address $00
for (uint8_t i=0; i<8; i++) {
IICwrite(displaybuffer[i] & 0xFF);
IICwrite(displaybuffer[i] >> 8);
}
IICstop();
}
void Matrix::clear(void) {
for (uint8_t i=0; i<8; i++) {
displaybuffer[i] = 0;
}
}
void Matrix::fillScreen(uint16_t color){
fillRect(0, 0, _width, _height, color);
}
void Matrix::drawPixel(int16_t x, int16_t y, uint16_t color) {
if ((y < 0) || (y >= 8)) return;
if ((x < 0) || (x >= 8)) return;
switch (getRotation()) {
case 1:
matrix_swap(x, y);
x = 8 - x - 1;
break;
case 2:
x = 8 - x - 1;
y = 8 - y - 1;
break;
case 3:
matrix_swap(x, y);
y = 8 - y - 1;
break;
}
if (color) {
displaybuffer[y] |= 1 << x;
} else {
displaybuffer[y] &= ~(1 << x) & ~(1 << (x+8));
}
}
void Matrix::constructor(int16_t w, int16_t h) {
_width = WIDTH = w;
_height = HEIGHT = h;
rotation = 0;
cursor_y = cursor_x = 0;
textsize = 1;
textcolor = textbgcolor = 0xFFFF;
wrap = true;
}
// draw a circle outline
void Matrix::drawCircle(int16_t x0, int16_t y0, int16_t r,
uint16_t color) {
int16_t f = 1 - r;
int16_t ddF_x = 1;
int16_t ddF_y = -2 * r;
int16_t x = 0;
int16_t y = r;
drawPixel(x0, y0+r, color);
drawPixel(x0, y0-r, color);
drawPixel(x0+r, y0, color);
drawPixel(x0-r, y0, color);
while (x<y) {
if (f >= 0) {
y--;
ddF_y += 2;
f += ddF_y;
}
x++;
ddF_x += 2;
f += ddF_x;
drawPixel(x0 + x, y0 + y, color);
drawPixel(x0 - x, y0 + y, color);
drawPixel(x0 + x, y0 - y, color);
drawPixel(x0 - x, y0 - y, color);
drawPixel(x0 + y, y0 + x, color);
drawPixel(x0 - y, y0 + x, color);
drawPixel(x0 + y, y0 - x, color);
drawPixel(x0 - y, y0 - x, color);
}
}
void Matrix::drawCircleHelper( int16_t x0, int16_t y0,
int16_t r, uint8_t cornername, uint16_t color) {
int16_t f = 1 - r;
int16_t ddF_x = 1;
int16_t ddF_y = -2 * r;
int16_t x = 0;
int16_t y = r;
while (x<y) {
if (f >= 0) {
y--;
ddF_y += 2;
f += ddF_y;
}
x++;
ddF_x += 2;
f += ddF_x;
if (cornername & 0x4) {
drawPixel(x0 + x, y0 + y, color);
drawPixel(x0 + y, y0 + x, color);
}
if (cornername & 0x2) {
drawPixel(x0 + x, y0 - y, color);
drawPixel(x0 + y, y0 - x, color);
}
if (cornername & 0x8) {
drawPixel(x0 - y, y0 + x, color);
drawPixel(x0 - x, y0 + y, color);
}
if (cornername & 0x1) {
drawPixel(x0 - y, y0 - x, color);
drawPixel(x0 - x, y0 - y, color);
}
}
}
void Matrix::fillCircle(int16_t x0, int16_t y0, int16_t r,
uint16_t color) {
drawFastVLine(x0, y0-r, 2*r+1, color);
fillCircleHelper(x0, y0, r, 3, 0, color);
}
// used to do circles and roundrects!
void Matrix::fillCircleHelper(int16_t x0, int16_t y0, int16_t r,
uint8_t cornername, int16_t delta, uint16_t color) {
int16_t f = 1 - r;
int16_t ddF_x = 1;
int16_t ddF_y = -2 * r;
int16_t x = 0;
int16_t y = r;
while (x<y) {
if (f >= 0) {
y--;
ddF_y += 2;
f += ddF_y;
}
x++;
ddF_x += 2;
f += ddF_x;
if (cornername & 0x1) {
drawFastVLine(x0+x, y0-y, 2*y+1+delta, color);
drawFastVLine(x0+y, y0-x, 2*x+1+delta, color);
}
if (cornername & 0x2) {
drawFastVLine(x0-x, y0-y, 2*y+1+delta, color);
drawFastVLine(x0-y, y0-x, 2*x+1+delta, color);
}
}
}
// bresenham's algorithm - thx wikpedia
void Matrix::drawLine(int16_t x0, int16_t y0,
int16_t x1, int16_t y1,
uint16_t color) {
int16_t steep = abs(y1 - y0) > abs(x1 - x0);
if (steep) {
matrix_swap(x0, y0);
matrix_swap(x1, y1);
}
if (x0 > x1) {
matrix_swap(x0, x1);
matrix_swap(y0, y1);
}
int16_t dx, dy;
dx = x1 - x0;
dy = abs(y1 - y0);
int16_t err = dx / 2;
int16_t ystep;
if (y0 < y1) {
ystep = 1;
} else {
ystep = -1;
}
for (; x0<=x1; x0++) {
if (steep) {
drawPixel(y0, x0, color);
} else {
drawPixel(x0, y0, color);
}
err -= dy;
if (err < 0) {
y0 += ystep;
err += dx;
}
}
}
// draw a rectangle
void Matrix::drawRect(int16_t x, int16_t y,
int16_t w, int16_t h,
uint16_t color) {
drawFastHLine(x, y, w, color);
drawFastHLine(x, y+h-1, w, color);
drawFastVLine(x, y, h, color);
drawFastVLine(x+w-1, y, h, color);
}
void Matrix::drawFastVLine(int16_t x, int16_t y,
int16_t h, uint16_t color) {
// stupidest version - update in subclasses if desired!
drawLine(x, y, x, y+h-1, color);
}
void Matrix::drawFastHLine(int16_t x, int16_t y,
int16_t w, uint16_t color) {
// stupidest version - update in subclasses if desired!
drawLine(x, y, x+w-1, y, color);
}
void Matrix::fillRect(int16_t x, int16_t y, int16_t w, int16_t h,
uint16_t color) {
// stupidest version - update in subclasses if desired!
for (int16_t i=x; i<x+w; i++) {
drawFastVLine(i, y, h, color);
}
}
void Matrix::write(uint16_t color) {
fillRect(0, 0, _width, _height, color);
}
// draw a rounded rectangle!
void Matrix::drawRoundRect(int16_t x, int16_t y, int16_t w,
int16_t h, int16_t r, uint16_t color) {
// smarter version
drawFastHLine(x+r , y , w-2*r, color); // Top
drawFastHLine(x+r , y+h-1, w-2*r, color); // Bottom
drawFastVLine( x , y+r , h-2*r, color); // Left
drawFastVLine( x+w-1, y+r , h-2*r, color); // Right
// draw four corners
drawCircleHelper(x+r , y+r , r, 1, color);
drawCircleHelper(x+w-r-1, y+r , r, 2, color);
drawCircleHelper(x+w-r-1, y+h-r-1, r, 4, color);
drawCircleHelper(x+r , y+h-r-1, r, 8, color);
}
// fill a rounded rectangle!
void Matrix::fillRoundRect(int16_t x, int16_t y, int16_t w,
int16_t h, int16_t r, uint16_t color) {
// smarter version
fillRect(x+r, y, w-2*r, h, color);
// draw four corners
fillCircleHelper(x+w-r-1, y+r, r, 1, h-2*r-1, color);
fillCircleHelper(x+r , y+r, r, 2, h-2*r-1, color);
}
// draw a triangle!
void Matrix::drawTriangle(int16_t x0, int16_t y0,
int16_t x1, int16_t y1,
int16_t x2, int16_t y2, uint16_t color) {
drawLine(x0, y0, x1, y1, color);
drawLine(x1, y1, x2, y2, color);
drawLine(x2, y2, x0, y0, color);
}
// fill a triangle!
void Matrix::fillTriangle ( int16_t x0, int16_t y0,
int16_t x1, int16_t y1,
int16_t x2, int16_t y2, uint16_t color) {
int16_t a, b, y, last;
// Sort coordinates by Y order (y2 >= y1 >= y0)
if (y0 > y1) {
matrix_swap(y0, y1); matrix_swap(x0, x1);
}
if (y1 > y2) {
matrix_swap(y2, y1); matrix_swap(x2, x1);
}
if (y0 > y1) {
matrix_swap(y0, y1); matrix_swap(x0, x1);
}
if(y0 == y2) { // Handle awkward all-on-same-line case as its own thing
a = b = x0;
if(x1 < a) a = x1;
else if(x1 > b) b = x1;
if(x2 < a) a = x2;
else if(x2 > b) b = x2;
drawFastHLine(a, y0, b-a+1, color);
return;
}
int16_t
dx01 = x1 - x0,
dy01 = y1 - y0,
dx02 = x2 - x0,
dy02 = y2 - y0,
dx12 = x2 - x1,
dy12 = y2 - y1,
sa = 0,
sb = 0;
// For upper part of triangle, find scanline crossings for segments
// 0-1 and 0-2. If y1=y2 (flat-bottomed triangle), the scanline y1
// is included here (and second loop will be skipped, avoiding a /0
// error there), otherwise scanline y1 is skipped here and handled
// in the second loop...which also avoids a /0 error here if y0=y1
// (flat-topped triangle).
if(y1 == y2) last = y1; // Include y1 scanline
else last = y1-1; // Skip it
for(y=y0; y<=last; y++) {
a = x0 + sa / dy01;
b = x0 + sb / dy02;
sa += dx01;
sb += dx02;
/* longhand:
a = x0 + (x1 - x0) * (y - y0) / (y1 - y0);
b = x0 + (x2 - x0) * (y - y0) / (y2 - y0);
*/
if(a > b) matrix_swap(a,b);
drawFastHLine(a, y, b-a+1, color);
}
// For lower part of triangle, find scanline crossings for segments
// 0-2 and 1-2. This loop is skipped if y1=y2.
sa = dx12 * (y - y1);
sb = dx02 * (y - y0);
for(; y<=y2; y++) {
a = x1 + sa / dy12;
b = x0 + sb / dy02;
sa += dx12;
sb += dx02;
/* longhand:
a = x1 + (x2 - x1) * (y - y1) / (y2 - y1);
b = x0 + (x2 - x0) * (y - y0) / (y2 - y0);
*/
if(a > b) matrix_swap(a,b);
drawFastHLine(a, y, b-a+1, color);
}
}
void Matrix::scrollMessage(String s,int displayScrollSpeed){
int a = s.length();
setTextSize(1);
setTextWrap(false); // we dont want text to wrap so it scrolls nicely
setTextColor(MATRIX_LED_ON);
for (int8_t x=7; x>=-a*6; x--) {
clear();
setCursor(x,0);
print(s);
write();
delay(displayScrollSpeed);
}
}
void Matrix::scrollMessage(int num,int displayScrollSpeed){
String s = String("") + num;
s += "";
int a = s.length();
setTextSize(1);
setTextWrap(false); // we dont want text to wrap so it scrolls nicely
setTextColor(MATRIX_LED_ON);
for (int8_t x=7; x>=-a*6; x--) {
clear();
setCursor(x,0);
print(s);
write();
delay(displayScrollSpeed);
}
}
void Matrix::scrollMessage(float num,int displayScrollSpeed){
String s = String("") + num;
s += "";
int a = s.length();
setTextSize(1);
setTextWrap(false); // we dont want text to wrap so it scrolls nicely
setTextColor(MATRIX_LED_ON);
for (int8_t x=7; x>=-a*6; x--) {
clear();
setCursor(x,0);
print(s);
write();
delay(displayScrollSpeed);
}
}
size_t Matrix::write(uint8_t c) {
if (c == '\n') {
cursor_y += textsize*8;
cursor_x = 0;
} else if (c == '\r') {
// skip em
} else {
drawChar(cursor_x, cursor_y, c, textcolor, textbgcolor, textsize);
cursor_x += textsize*6;
if (wrap && (cursor_x > (_width - textsize*6))) {
cursor_y += textsize*8;
cursor_x = 0;
}
}
#if ARDUINO >= 100
return 1;
#endif
}
// draw a character
void Matrix::drawChar(int16_t x, int16_t y, unsigned char c,
uint16_t color, uint16_t bg, uint8_t size) {
if((x >= _width) || // Clip right
(y >= _height) || // Clip bottom
((x + 5 * size - 1) < 0) || // Clip left
((y + 8 * size - 1) < 0)) // Clip top
return;
for (int8_t i=0; i<6; i++ ) {
uint8_t line;
if (i == 5)
line = 0x0;
else
line = pgm_read_byte(font+(c*5)+i);
for (int8_t j = 7; j>=0; j--) {
if (line & 0x1) {
if (size == 1) // default size
drawPixel(x+i, y+j, color);
else { // big size
fillRect(x+(i*size), y+(j*size), size, size, color);
}
} else if (bg != color) {
if (size == 1) // default size
drawPixel(x+i, y+j, bg);
else { // big size
fillRect(x+i*size, y+j*size, size, size, bg);
}
}
line >>= 1;
}
}
}
void Matrix::setCursor(int16_t x, int16_t y) {
cursor_x = x;
cursor_y = y;
}
void Matrix::setTextSize(uint8_t s) {
textsize = (s > 0) ? s : 1;
}
void Matrix::setTextColor(uint16_t c) {
textcolor = c;
textbgcolor = c;
// for 'transparent' background, we'll set the bg
// to the same as fg instead of using a flag
}
void Matrix::setTextColor(uint16_t c, uint16_t b) {
textcolor = c;
textbgcolor = b;
}
void Matrix::setTextWrap(boolean w) {
wrap = w;
}
uint8_t Matrix::getRotation(void) {
rotation %= 4;
return rotation;
}
void Matrix::setRotation(uint8_t x) {
x %= 4; // cant be higher than 3
rotation = x;
switch (x) {
case 0:
case 2:
_width = WIDTH;
_height = HEIGHT;
break;
case 1:
case 3:
_width = HEIGHT;
_height = WIDTH;
break;
}
}
void Matrix::invertDisplay(boolean i) {
// do nothing, can be subclassed
}
// return the size of the display which depends on the rotation!
int16_t Matrix::width(void) {
return _width;
}
int16_t Matrix::height(void) {
return _height;
}
void Matrix::IICbegin(uint8_t sdapin,uint8_t sclpin)
{
SDA_pin = sdapin;
pinMode(SDA_pin,OUTPUT);
digitalWrite(SDA_pin,HIGH);
SCL_pin = sclpin;
pinMode(SCL_pin,OUTPUT);
digitalWrite(SCL_pin,HIGH);
}
bool Matrix::IICstart(uint8_t addr)
{
digitalWrite(SDA_pin, LOW);
delayMicroseconds(I2C_DELAY_USEC);
digitalWrite(SCL_pin, LOW);
return IICwrite(addr);
}
bool Matrix::IICrestart(uint8_t addr)
{
digitalWrite(SDA_pin, HIGH);
digitalWrite(SCL_pin, HIGH);
delayMicroseconds(I2C_DELAY_USEC);
return IICstart(addr);
}
void Matrix::IICstop()
{
digitalWrite(SDA_pin,LOW);
delayMicroseconds(I2C_DELAY_USEC);
digitalWrite(SCL_pin,HIGH);
delayMicroseconds(I2C_DELAY_USEC);
digitalWrite(SDA_pin,HIGH);
delayMicroseconds(I2C_DELAY_USEC);
}
uint8_t Matrix::IICread(uint8_t last) {
uint8_t b = 0;
// make sure pull-up enabled
digitalWrite(SDA_pin, HIGH);
pinMode(SDA_pin, INPUT);
// read byte
for (uint8_t i = 0; i < 8; i++) {
// don't change this loop unless you verify the change with a scope
b <<= 1;
delayMicroseconds(I2C_DELAY_USEC);
digitalWrite(SCL_pin, HIGH);
if (digitalRead(SDA_pin)) {b |= 1;}
//else b &= 0;
digitalWrite(SCL_pin, LOW);
}
// send Ack or Nak
pinMode(SDA_pin, OUTPUT);
digitalWrite(SDA_pin, last);
digitalWrite(SCL_pin, HIGH);
delayMicroseconds(I2C_DELAY_USEC);
digitalWrite(SCL_pin, LOW);
digitalWrite(SDA_pin, LOW);
return b;
}
//------------------------------------------------------------------------------
/**
* Write a byte.
*
* \param[in] data The byte to send.
*
* \return The value true, 1, if the slave returned an Ack or false for Nak.
*/
bool Matrix::IICwrite(uint8_t data) {
// write byte
for (uint8_t m = 0X80; m != 0; m >>= 1) {
// don't change this loop unless you verify the change with a scope
digitalWrite(SDA_pin, m & data);
digitalWrite(SCL_pin, HIGH);
delayMicroseconds(I2C_DELAY_USEC);
digitalWrite(SCL_pin, LOW);
}
// get Ack or Nak
pinMode(SDA_pin, INPUT);
// enable pullup
digitalWrite(SDA_pin, HIGH);
digitalWrite(SCL_pin, HIGH);
uint8_t rtn = digitalRead(SDA_pin);
digitalWrite(SCL_pin, LOW);
pinMode(SDA_pin, OUTPUT);
digitalWrite(SDA_pin, LOW);
return rtn == 0;
}