Jack Berkhout
/
RGB_Matrix
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Diff: RGB_Matrix.cpp
- Revision:
- 0:04691de55153
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/RGB_Matrix.cpp Fri Oct 02 22:27:28 2015 +0000
@@ -0,0 +1,647 @@
+/* mbed RGB Matrix Library
+ * Written for Nucleo-F446RE, v1.0, 03-10-2015
+ *
+ * Copyright (c) 2013-2015 JackB, cstyles
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "RGB_Matrix.h"
+
+RGB_Matrix::RGB_Matrix(PinName Pin_R1, PinName Pin_R2,
+ PinName Pin_G1, PinName Pin_G2,
+ PinName Pin_B1, PinName Pin_B2,
+ PinName Pin_CLK, PinName Pin_LAT, PinName Pin_OE,
+ PinName Pin_A, PinName Pin_B, PinName Pin_C, PinName Pin_D) :
+ _Pin_R1(Pin_R1), _Pin_R2(Pin_R2),
+ _Pin_G1(Pin_G1), _Pin_G2(Pin_G2),
+ _Pin_B1(Pin_B1), _Pin_B2(Pin_B2),
+ _Pin_CLK(Pin_CLK), _Pin_LAT(Pin_LAT), _Pin_OE(Pin_OE),
+ _Pin_A(Pin_A), _Pin_B(Pin_B), _Pin_C(Pin_C), _Pin_D(Pin_D) {
+}
+
+void RGB_Matrix::Init(void) {
+// uint8_t *ptr;
+
+ _Pin_CLK = 0; // Clock low
+ _Pin_OE = 1; // Disable LED output during row/plane switchover
+ _Pin_LAT = 1; // Latch data loaded during *prior* interrupt
+
+ plane = PLANES - 1;
+ row = ROWS - 1;
+
+ // Allocate and initialize matrix buffer:
+
+ int buffsize = WIDTH * ROWS * PLANES,
+ allocsize = (DBUF == true) ? (buffsize * 2) : buffsize;
+
+ if(NULL == (matrixbuff[0] = (uint8_t *)malloc(allocsize)))
+ return;
+ memset(matrixbuff[0], 0, allocsize);
+
+ if(NULL == (matrixbuff[1] = (uint8_t *)malloc(allocsize)))
+ return;
+ memset(matrixbuff[1], 0, allocsize);
+
+ // If not double-buffered, both buffers then point to the same address:
+// matrixbuff[1] = (DBUF == true) ? &matrixbuff[0][buffsize] : matrixbuff[0];
+
+ bufferDisplay = 0;
+ bufferWrite = 0;
+// buffptr = matrixbuff[bufferDisplay]; // -> front buffer
+
+ /*
+ // Some data!
+ buffptr[0] = 0x11;
+ buffptr[1] = 0x22;
+ buffptr[2] = 0x44;
+ buffptr[0+PIXELS] = 0x11;
+ buffptr[1+PIXELS] = 0x22;
+ buffptr[2+PIXELS] = 0x44;
+ buffptr[0+PIXELS*2] = 0x11;
+ buffptr[1+PIXELS*2] = 0x22;
+ buffptr[2+PIXELS*2] = 0x44;
+ buffptr[0+PIXELS*3] = 0x11;
+ buffptr[1+PIXELS*3] = 0x22;
+ buffptr[2+PIXELS*3] = 0x44;
+ buffptr[0+PIXELS*4] = 0x11;
+ buffptr[1+PIXELS*4] = 0x22;
+ buffptr[2+PIXELS*4] = 0x44;
+ buffptr[0+PIXELS*5] = 0x11;
+ buffptr[1+PIXELS*5] = 0x22;
+ buffptr[2+PIXELS*5] = 0x44;
+ buffptr[0+PIXELS*6] = 0x11;
+ buffptr[1+PIXELS*6] = 0x22;
+ buffptr[2+PIXELS*6] = 0x44;
+
+ buffptr[0+WIDTH] = 0x00;
+ buffptr[1+WIDTH] = 0x00;
+ buffptr[2+WIDTH] = 0x00;
+ buffptr[0+WIDTH+PIXELS] = 0x11;
+ buffptr[1+WIDTH+PIXELS] = 0x22;
+ buffptr[2+WIDTH+PIXELS] = 0x44;
+ buffptr[0+WIDTH+PIXELS*2] = 0x11;
+ buffptr[1+WIDTH+PIXELS*2] = 0x22;
+ buffptr[2+WIDTH+PIXELS*2] = 0x44;
+ buffptr[0+WIDTH+PIXELS*3] = 0x11;
+ buffptr[1+WIDTH+PIXELS*3] = 0x22;
+ buffptr[2+WIDTH+PIXELS*3] = 0x44;
+ buffptr[0+WIDTH+PIXELS*4] = 0x11;
+ buffptr[1+WIDTH+PIXELS*4] = 0x22;
+ buffptr[2+WIDTH+PIXELS*4] = 0x44;
+ buffptr[0+WIDTH+PIXELS*5] = 0x11;
+ buffptr[1+WIDTH+PIXELS*5] = 0x22;
+ buffptr[2+WIDTH+PIXELS*5] = 0x44;
+ buffptr[0+WIDTH+PIXELS*6] = 0x11;
+ buffptr[1+WIDTH+PIXELS*6] = 0x22;
+ buffptr[2+WIDTH+PIXELS*6] = 0x44;
+
+ buffptr[0+WIDTH*2] = 0x00;
+ buffptr[1+WIDTH*2] = 0x00;
+ buffptr[2+WIDTH*2] = 0x00;
+ buffptr[0+WIDTH*2+PIXELS] = 0x00;
+ buffptr[1+WIDTH*2+PIXELS] = 0x00;
+ buffptr[2+WIDTH*2+PIXELS] = 0x00;
+ buffptr[0+WIDTH*2+PIXELS*2] = 0x11;
+ buffptr[1+WIDTH*2+PIXELS*2] = 0x22;
+ buffptr[2+WIDTH*2+PIXELS*2] = 0x44;
+ buffptr[0+WIDTH*2+PIXELS*3] = 0x11;
+ buffptr[1+WIDTH*2+PIXELS*3] = 0x22;
+ buffptr[2+WIDTH*2+PIXELS*3] = 0x44;
+ buffptr[0+WIDTH*2+PIXELS*4] = 0x11;
+ buffptr[1+WIDTH*2+PIXELS*4] = 0x22;
+ buffptr[2+WIDTH*2+PIXELS*4] = 0x44;
+ buffptr[0+WIDTH*2+PIXELS*5] = 0x11;
+ buffptr[1+WIDTH*2+PIXELS*5] = 0x22;
+ buffptr[2+WIDTH*2+PIXELS*5] = 0x44;
+ buffptr[0+WIDTH*2+PIXELS*6] = 0x11;
+ buffptr[1+WIDTH*2+PIXELS*6] = 0x22;
+ buffptr[2+WIDTH*2+PIXELS*6] = 0x44;
+
+ buffptr[0+WIDTH*3] = 0x00;
+ buffptr[1+WIDTH*3] = 0x00;
+ buffptr[2+WIDTH*3] = 0x00;
+ buffptr[0+WIDTH*3+PIXELS] = 0x00;
+ buffptr[1+WIDTH*3+PIXELS] = 0x00;
+ buffptr[2+WIDTH*3+PIXELS] = 0x00;
+ buffptr[0+WIDTH*3+PIXELS*2] = 0x00;
+ buffptr[1+WIDTH*3+PIXELS*2] = 0x00;
+ buffptr[2+WIDTH*3+PIXELS*2] = 0x00;
+ buffptr[0+WIDTH*3+PIXELS*3] = 0x11;
+ buffptr[1+WIDTH*3+PIXELS*3] = 0x22;
+ buffptr[2+WIDTH*3+PIXELS*3] = 0x44;
+ buffptr[0+WIDTH*3+PIXELS*4] = 0x11;
+ buffptr[1+WIDTH*3+PIXELS*4] = 0x22;
+ buffptr[2+WIDTH*3+PIXELS*4] = 0x44;
+ buffptr[0+WIDTH*3+PIXELS*5] = 0x11;
+ buffptr[1+WIDTH*3+PIXELS*5] = 0x22;
+ buffptr[2+WIDTH*3+PIXELS*5] = 0x44;
+ buffptr[0+WIDTH*3+PIXELS*6] = 0x11;
+ buffptr[1+WIDTH*3+PIXELS*6] = 0x22;
+ buffptr[2+WIDTH*3+PIXELS*6] = 0x44;
+
+ buffptr[0+WIDTH*4] = 0x00;
+ buffptr[1+WIDTH*4] = 0x00;
+ buffptr[2+WIDTH*4] = 0x00;
+ buffptr[0+WIDTH*4+PIXELS] = 0x00;
+ buffptr[1+WIDTH*4+PIXELS] = 0x00;
+ buffptr[2+WIDTH*4+PIXELS] = 0x00;
+ buffptr[0+WIDTH*4+PIXELS*2] = 0x00;
+ buffptr[1+WIDTH*4+PIXELS*2] = 0x00;
+ buffptr[2+WIDTH*4+PIXELS*2] = 0x00;
+ buffptr[0+WIDTH*4+PIXELS*3] = 0x00;
+ buffptr[1+WIDTH*4+PIXELS*3] = 0x00;
+ buffptr[2+WIDTH*4+PIXELS*3] = 0x00;
+ buffptr[0+WIDTH*4+PIXELS*4] = 0x11;
+ buffptr[1+WIDTH*4+PIXELS*4] = 0x22;
+ buffptr[2+WIDTH*4+PIXELS*4] = 0x44;
+ buffptr[0+WIDTH*4+PIXELS*5] = 0x11;
+ buffptr[1+WIDTH*4+PIXELS*5] = 0x22;
+ buffptr[2+WIDTH*4+PIXELS*5] = 0x44;
+ buffptr[0+WIDTH*4+PIXELS*6] = 0x11;
+ buffptr[1+WIDTH*4+PIXELS*6] = 0x22;
+ buffptr[2+WIDTH*4+PIXELS*6] = 0x44;
+
+ buffptr[0+WIDTH*5] = 0x00;
+ buffptr[1+WIDTH*5] = 0x00;
+ buffptr[2+WIDTH*5] = 0x00;
+ buffptr[0+WIDTH*5+PIXELS] = 0x00;
+ buffptr[1+WIDTH*5+PIXELS] = 0x00;
+ buffptr[2+WIDTH*5+PIXELS] = 0x00;
+ buffptr[0+WIDTH*5+PIXELS*2] = 0x00;
+ buffptr[1+WIDTH*5+PIXELS*2] = 0x00;
+ buffptr[2+WIDTH*5+PIXELS*2] = 0x00;
+ buffptr[0+WIDTH*5+PIXELS*3] = 0x00;
+ buffptr[1+WIDTH*5+PIXELS*3] = 0x00;
+ buffptr[2+WIDTH*5+PIXELS*3] = 0x00;
+ buffptr[0+WIDTH*5+PIXELS*4] = 0x00;
+ buffptr[1+WIDTH*5+PIXELS*4] = 0x00;
+ buffptr[2+WIDTH*5+PIXELS*4] = 0x00;
+ buffptr[0+WIDTH*5+PIXELS*5] = 0x11;
+ buffptr[1+WIDTH*5+PIXELS*5] = 0x22;
+ buffptr[2+WIDTH*5+PIXELS*5] = 0x44;
+ buffptr[0+WIDTH*5+PIXELS*6] = 0x11;
+ buffptr[1+WIDTH*5+PIXELS*6] = 0x22;
+ buffptr[2+WIDTH*5+PIXELS*6] = 0x44;
+
+ buffptr[0+WIDTH*6] = 0x00;
+ buffptr[1+WIDTH*6] = 0x00;
+ buffptr[2+WIDTH*6] = 0x00;
+ buffptr[0+WIDTH*6+PIXELS] = 0x00;
+ buffptr[1+WIDTH*6+PIXELS] = 0x00;
+ buffptr[2+WIDTH*6+PIXELS] = 0x00;
+ buffptr[0+WIDTH*6+PIXELS*2] = 0x00;
+ buffptr[1+WIDTH*6+PIXELS*2] = 0x00;
+ buffptr[2+WIDTH*6+PIXELS*2] = 0x00;
+ buffptr[0+WIDTH*6+PIXELS*3] = 0x00;
+ buffptr[1+WIDTH*6+PIXELS*3] = 0x00;
+ buffptr[2+WIDTH*6+PIXELS*3] = 0x00;
+ buffptr[0+WIDTH*6+PIXELS*4] = 0x00;
+ buffptr[1+WIDTH*6+PIXELS*4] = 0x00;
+ buffptr[2+WIDTH*6+PIXELS*4] = 0x00;
+ buffptr[0+WIDTH*6+PIXELS*5] = 0x00;
+ buffptr[1+WIDTH*6+PIXELS*5] = 0x00;
+ buffptr[2+WIDTH*6+PIXELS*5] = 0x00;
+ buffptr[0+WIDTH*6+PIXELS*6] = 0x11;
+ buffptr[1+WIDTH*6+PIXELS*6] = 0x22;
+ buffptr[2+WIDTH*6+PIXELS*6] = 0x44;
+ */
+ /*
+ buffptr[1] = 0x02;
+ buffptr[2] = 0x03;
+ buffptr[3] = 0x04;
+ buffptr[4] = 0x08;
+ buffptr[5] = 0x0c;
+ buffptr[6] = 0x10;
+ buffptr[7] = 0x20;
+ buffptr[8] = 0x30;
+ buffptr[WIDTH*ROWS+3] = 0x01;
+ buffptr[WIDTH*ROWS+4] = 0x04;
+ buffptr[WIDTH*ROWS+5] = 0x10;
+
+ drawPixel(2, 4, RGB(255, 128, 0)); // RRrrrGGg gggBBbbb
+ */
+
+ Update.attach(this, &RGB_Matrix::updateDisplay, INTTIME); // the address of the function to be attached (flip) and the interval (0.5 seconds)
+ char_x = 0;
+ char_y = 0;
+ foreground(RGB(0, 64, 0));
+ background(RGB(0, 0, 0));
+ SetOrientation(LANDSCAPE_B);
+}
+
+void RGB_Matrix::swap(int16_t &x, int16_t &y) {
+ int16_t temp = x;
+ x = y;
+ y = temp;
+}
+
+uint16_t RGB_Matrix::rgbToColor(uint8_t R, uint8_t G, uint8_t B) {
+ return ((R >> 6) << 14) + ((G >> 6) << 9) + ((B >> 6) << 3); // RRrrrGGg gggBBbbb
+}
+
+void RGB_Matrix::drawPixel2(int16_t x, int16_t y, uint16_t c) {
+ uint8_t r, g, b, bit, limit, *ptr;
+
+ if((x < 0) || (x >= WIDTH) || (y < 0) || (y >= HEIGHT))
+ return;
+
+ switch(_orientation) {
+ case 1:
+ swap(x, y);
+ x = WIDTH - 1 - x;
+ break;
+ case 2:
+ x = WIDTH - 1 - x;
+ y = HEIGHT - 1 - y;
+ break;
+ case 3:
+ swap(x, y);
+ y = HEIGHT - 1 - y;
+ break;
+ }
+
+ // Adafruit_GFX uses 16-bit color in 5/6/5 format, while matrix needs
+ // 2/2/2. Pluck out relevant bits while separating into R,G,B:
+ r = c >> 14; // RRrrrggggggbbbbb
+ g = (c >> 9) & 0x03; // rrrrrGGggggbbbbb
+ b = (c >> 3) & 0x03; // rrrrrggggggBBbbb
+
+ uint8_t color = r + (g << 2) + (b << 4);
+
+ buffptr = matrixbuff[bufferWrite]; // Set first buffer
+ buffptr[y * WIDTH + x] = color;
+}
+
+void RGB_Matrix::drawPixel(int16_t x, int16_t y, uint16_t c) {
+ uint8_t r, g, b, bit, limit, *ptr;
+
+ if((x < 0) || (x >= WIDTH) || (y < 0) || (y >= HEIGHT))
+ return;
+
+ switch(_orientation) {
+ case 1:
+ swap(x, y);
+ x = WIDTH - 1 - x;
+ break;
+ case 2:
+ x = WIDTH - 1 - x;
+ y = HEIGHT - 1 - y;
+ break;
+ case 3:
+ swap(x, y);
+ y = HEIGHT - 1 - y;
+ break;
+ }
+
+ // Adafruit_GFX uses 16-bit color in 5/6/5 format, while matrix needs
+ // 2/2/2. Pluck out relevant bits while separating into R,G,B:
+ r = c >> 13; // RRRrrggggggbbbbb
+ g = (c >> 8) & 0x07; // rrrrrGGGgggbbbbb
+ b = (c >> 2) & 0x07; // rrrrrggggggBBBbb
+
+ uint8_t color = r + (g << 2) + (b << 4);
+
+
+ uint8_t *buffptr;
+ buffptr = matrixbuff[bufferWrite]; // Set first buffer
+
+ const uint8_t PixelR1[] = {
+ 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe, 0xfe,
+ 0xfe, 0xfe, 0xfe, 0x01, 0xfe, 0xfe, 0xfe,
+ 0xfe, 0x01, 0xfe, 0xfe, 0xfe, 0x01, 0xfe,
+ 0xfe, 0x01, 0xfe, 0x01, 0xfe, 0x01, 0xfe,
+ 0x01, 0x01, 0xfe, 0x01, 0xfe, 0x01, 0xfe,
+ 0x01, 0x01, 0x01, 0xfe, 0x01, 0x01, 0xfe,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0xfe,
+ 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01
+ };
+
+ const uint8_t PixelR2[] = {
+ 0xef, 0xef, 0xef, 0xef, 0xef, 0xef, 0xef,
+ 0xef, 0xef, 0xef, 0x10, 0xef, 0xef, 0xef,
+ 0xef, 0x10, 0xef, 0xef, 0xef, 0x10, 0xef,
+ 0xef, 0x10, 0xef, 0x10, 0xef, 0x10, 0xef,
+ 0x10, 0x10, 0xef, 0x10, 0xef, 0x10, 0xef,
+ 0x10, 0x10, 0x10, 0xef, 0x10, 0x10, 0xef,
+ 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0xef,
+ 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10
+ };
+
+ const uint8_t PixelG1[] = {
+ 0xfd, 0xfd, 0xfd, 0xfd, 0xfd, 0xfd, 0xfd,
+ 0xfd, 0xfd, 0xfd, 0x02, 0xfd, 0xfd, 0xfd,
+ 0xfd, 0x02, 0xfd, 0xfd, 0xfd, 0x02, 0xfd,
+ 0xfd, 0x02, 0xfd, 0x02, 0xfd, 0x02, 0xfd,
+ 0x02, 0x02, 0xfd, 0x02, 0xfd, 0x02, 0xfd,
+ 0x02, 0x02, 0x02, 0xfd, 0x02, 0x02, 0xfd,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0xfd,
+ 0x02, 0x02, 0x02, 0x02, 0x02, 0x02, 0x02
+ };
+
+ const uint8_t PixelG2[] = {
+ 0xdf, 0xdf, 0xdf, 0xdf, 0xdf, 0xdf, 0xdf,
+ 0xdf, 0xdf, 0xdf, 0x20, 0xdf, 0xdf, 0xdf,
+ 0xdf, 0x20, 0xdf, 0xdf, 0xdf, 0x20, 0xdf,
+ 0xdf, 0x20, 0xdf, 0x20, 0xdf, 0x20, 0xdf,
+ 0x20, 0x20, 0xdf, 0x20, 0xdf, 0x20, 0xdf,
+ 0x20, 0x20, 0x20, 0xdf, 0x20, 0x20, 0xdf,
+ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0xdf,
+ 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, 0x20
+ };
+
+ const uint8_t PixelB1[] = {
+ 0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfb, 0xfb,
+ 0xfb, 0xfb, 0xfb, 0x04, 0xfb, 0xfb, 0xfb,
+ 0xfb, 0x04, 0xfb, 0xfb, 0xfb, 0x04, 0xfb,
+ 0xfb, 0x04, 0xfb, 0x04, 0xfb, 0x04, 0xfb,
+ 0x04, 0x04, 0xfb, 0x04, 0xfb, 0x04, 0xfb,
+ 0x04, 0x04, 0x04, 0xfb, 0x04, 0x04, 0xfb,
+ 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0xfb,
+ 0x04, 0x04, 0x04, 0x04, 0x04, 0x04, 0x04
+ };
+
+ const uint8_t PixelB2[] = {
+ 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf, 0xbf,
+ 0xbf, 0xbf, 0xbf, 0x40, 0xbf, 0xbf, 0xbf,
+ 0xbf, 0x40, 0xbf, 0xbf, 0xbf, 0x40, 0xbf,
+ 0xbf, 0x40, 0xbf, 0x40, 0xbf, 0x40, 0xbf,
+ 0x40, 0x40, 0xbf, 0x40, 0xbf, 0x40, 0xbf,
+ 0x40, 0x40, 0x40, 0xbf, 0x40, 0x40, 0xbf,
+ 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0xbf,
+ 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40
+ };
+
+ // PWM planes
+ // xBGRxBGR
+
+ for (uint8_t p = 0; p < PLANES; p++) {
+ if (y < ROWS) {
+ if ((PixelR1[p+r*7] & 0x80) == 0)
+ buffptr[x+WIDTH*y+PIXELS*p] |= PixelR1[p+r*7];
+ else
+ buffptr[x+WIDTH*y+PIXELS*p] &= PixelR1[p+r*7];
+ if ((PixelG1[p+g*7] & 0x80) == 0)
+ buffptr[x+WIDTH*y+PIXELS*p] |= PixelG1[p+g*7];
+ else
+ buffptr[x+WIDTH*y+PIXELS*p] &= PixelG1[p+g*7];
+ if ((PixelB1[p+b*7] & 0x80) == 0)
+ buffptr[x+WIDTH*y+PIXELS*p] |= PixelB1[p+b*7];
+ else
+ buffptr[x+WIDTH*y+PIXELS*p] &= PixelB1[p+b*7];
+ } else {
+ if ((PixelR2[p+r*7] & 0x80) == 0)
+ buffptr[x+WIDTH*(y-ROWS)+PIXELS*p] |= PixelR2[p+r*7];
+ else
+ buffptr[x+WIDTH*(y-ROWS)+PIXELS*p] &= PixelR2[p+r*7];
+ if ((PixelG2[p+g*7] & 0x80) == 0)
+ buffptr[x+WIDTH*(y-ROWS)+PIXELS*p] |= PixelG2[p+g*7];
+ else
+ buffptr[x+WIDTH*(y-ROWS)+PIXELS*p] &= PixelG2[p+g*7];
+ if ((PixelB2[p+b*7] & 0x80) == 0)
+ buffptr[x+WIDTH*(y-ROWS)+PIXELS*p] |= PixelB2[p+b*7];
+ else
+ buffptr[x+WIDTH*(y-ROWS)+PIXELS*p] &= PixelB2[p+b*7];
+ }
+ }
+}
+
+void RGB_Matrix::set_font(unsigned char* f) {
+ font = f;
+}
+
+void RGB_Matrix::character(int x, int y, int c) {
+ unsigned int hor,vert,offset,bpl,j,i,b;
+ unsigned char* char_offset;
+ unsigned char z,w;
+
+ if ((c < 31) || (c > 127)) return; // test char range
+
+ // read font parameter from start of array
+ offset = font[BYTESPERCHAR]; // bytes / char
+ hor = font[FONTWIDTH]; // get hor size of font
+ vert = font[FONTHEIGHT]; // get vert size of font
+ bpl = font[BYTESPERLINE]; // bytes per vertical line
+
+ if (char_x + hor > width()) {
+ // the next character doesn't fit on the same line
+ char_x = 0;
+ char_y = char_y + vert;
+ if (char_y > height() - font[FONTHEIGHT]) {
+ // the next line doesn't fit at the bottom of the screen
+ char_y = 0;
+ }
+ }
+
+// window(char_x, char_y,hor,vert); // char box
+
+ char_offset = &font[((c -32) * offset) + 4]; // start of char bitmap
+ w = char_offset[0]; // width of actual char
+ for (j=0; j<vert; j++) { // vert line
+ for (i=0; i<hor; i++) { // horz line
+ z = char_offset[bpl * i + ((j & 0xF8) >> 3)+1];
+ b = 1 << (j & 0x07);
+ if (( z & b ) == 0x00) {
+ drawPixel(char_x + i, char_y + j, _background); // background
+ } else {
+ drawPixel(char_x + i, char_y + j, _foreground); // foreground
+ }
+ }
+ }
+// WindowMax();
+ if ((w + 2) < hor) { // x offset to next char
+ char_x += w + 2;
+ } else char_x += hor;
+}
+
+int RGB_Matrix::putc(int value) {
+ if (value == '\n') { // new line
+ char_x = 0;
+ char_y = char_y + font[FONTHEIGHT];
+ if (char_y >= height() - font[FONTHEIGHT]) {
+ char_y = 0;
+ }
+ } else {
+ character(char_x, char_y, value);
+ }
+ return value;
+}
+
+void RGB_Matrix::printString(char *string) {
+ for (uint8_t i = 0; i < strlen(string); i++) {
+ putc(string[i]);
+ }
+}
+
+void RGB_Matrix::printStringCenter(char *string) {
+ uint8_t pwidth = strlen(string) * font[FONTWIDTH] - 1;
+ locatePixelX((width() - pwidth) / 2);
+ for (uint8_t i = 0; i < strlen(string); i++) {
+ putc(string[i]);
+ }
+}
+
+void RGB_Matrix::foreground(uint16_t colour) {
+ _foreground = colour;
+}
+
+void RGB_Matrix::background(uint16_t colour) {
+ _background = colour;
+}
+
+int RGB_Matrix::width() {
+ if (_orientation == 0 || _orientation == 2) return WIDTH;
+ else return HEIGHT;
+}
+
+int RGB_Matrix::height() {
+ if (_orientation == 0 || _orientation == 2) return HEIGHT;
+ else return WIDTH;
+}
+
+void RGB_Matrix::SetOrientation(uint8_t orientation) {
+ _orientation = orientation;
+}
+
+void RGB_Matrix::locate(uint8_t x, uint8_t y) {
+ char_x = x * font[FONTHEIGHT];
+ char_y = y * font[FONTHEIGHT];
+}
+
+void RGB_Matrix::locatePixelX(uint8_t x) {
+ char_x = x;
+}
+
+void RGB_Matrix::locatePixelY(uint8_t y) {
+ char_y = y;
+}
+
+int RGB_Matrix::columns() {
+ return width() / font[FONTHEIGHT];
+}
+
+int RGB_Matrix::rows() {
+ return height() / font[FONTHEIGHT];
+}
+
+void RGB_Matrix::setDisplayBuffer(uint8_t Buffer) {
+ bufferDisplay = Buffer;
+}
+
+void RGB_Matrix::setWriteBuffer(uint8_t Buffer) {
+ bufferWrite = Buffer;
+}
+
+void RGB_Matrix::updateDisplay2(void) {
+ _Pin_OE = 1; // Disable LED output during row/plane switchover
+ _Pin_LAT = 1; // Latch data loaded during *prior* interrupt
+ _Pin_A = (row & 0x01);
+ _Pin_B = (row & 0x02) >> 1;
+ _Pin_C = (row & 0x04) >> 2;
+ _Pin_D = (row & 0x08) >> 3;
+ _Pin_OE = 0; // Re-enable output
+ _Pin_LAT = 0; // Latch down
+
+ if(++plane >= PLANES) { // Advance plane counter. Maxed out?
+ plane = 0; // Yes, reset to plane 0, and
+ }
+ if(++row >= ROWS) { // advance row counter. Maxed out?
+ row = 0; // Yes, reset row counter, then...
+ }
+
+ buffptr = matrixbuff[bufferDisplay]; // Set first buffer
+
+ for(int x = 0; x < WIDTH; x++) {
+ int16_t BufferIndex1 = x + row * WIDTH;
+ int16_t BufferIndex2 = BufferIndex1 + ROWS * WIDTH;
+
+ uint8_t PixelValueR1 = buffptr[BufferIndex1] & 0x03;
+ uint8_t PixelValueG1 = (buffptr[BufferIndex1] >> 2) & 0x03;
+ uint8_t PixelValueB1 = (buffptr[BufferIndex1] >> 4) & 0x03;
+ uint8_t PixelValueR2 = buffptr[BufferIndex2] & 0x03;
+ uint8_t PixelValueG2 = (buffptr[BufferIndex2] >> 2) & 0x03;
+ uint8_t PixelValueB2 = (buffptr[BufferIndex2] >> 4) & 0x03;
+
+ if (PixelValueR1 >= plane+1) {
+ _Pin_R1 = 1;
+ } else {
+ _Pin_R1 = 0;
+ }
+ if (PixelValueG1 >= plane+1) {
+ _Pin_G1 = 1;
+ } else {
+ _Pin_G1 = 0;
+ }
+ if (PixelValueB1 >= plane+1) {
+ _Pin_B1 = 1;
+ } else {
+ _Pin_B1 = 0;
+ }
+
+ if (PixelValueR2 >= plane+1) {
+ _Pin_R2 = 1;
+ } else {
+ _Pin_R2 = 0;
+ }
+ if (PixelValueG2 >= plane+1) {
+ _Pin_G2 = 1;
+ } else {
+ _Pin_G2 = 0;
+ }
+ if (PixelValueB2 >= plane+1) {
+ _Pin_B2 = 1;
+ } else {
+ _Pin_B2 = 0;
+ }
+
+ _Pin_CLK = 0; // Clock low
+ _Pin_CLK = 1; // Clock high
+ }
+}
+
+void RGB_Matrix::updateDisplay(void) {
+ _Pin_OE = 1; // Disable LED output during row/plane switchover
+ _Pin_LAT = 1; // Latch data loaded during *prior* interrupt
+ _Pin_A = row & 0x01;
+ _Pin_B = (row >> 1) & 0x01;
+ _Pin_C = (row >> 2) & 0x01;
+ _Pin_D = (row >> 3) & 0x01;
+ _Pin_OE = 0; // Re-enable output
+ _Pin_LAT = 0; // Latch down
+
+ if(++plane >= PLANES) { // Advance plane counter. Maxed out?
+ plane = 0; // Yes, reset to plane 0, and
+ if(++row >= ROWS) { // advance row counter. Maxed out?
+ row = 0; // Yes, reset row counter, then...
+ }
+ }
+
+ buffptr = matrixbuff[bufferDisplay]; // Set display buffer
+ for(uint8_t x = 0; x < WIDTH; x++) {
+ uint16_t BufferIndex = x + row * WIDTH + plane * PIXELS;
+ _Pin_R1 = buffptr[BufferIndex] & 0x01;
+ _Pin_G1 = (buffptr[BufferIndex] >> 1) & 0x01;
+ _Pin_B1 = (buffptr[BufferIndex] >> 2) & 0x01;
+ _Pin_R2 = (buffptr[BufferIndex] >> 4) & 0x01;
+ _Pin_G2 = (buffptr[BufferIndex] >> 5) & 0x01;
+ _Pin_B2 = (buffptr[BufferIndex] >> 6) & 0x01;
+ _Pin_CLK = 0; // Clock low
+ _Pin_CLK = 1; // Clock high
+ }
+}