106 lines
2.6 KiB
C++
106 lines
2.6 KiB
C++
#include <Arduino.h>
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#include "xtensa/core-macros.h"
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#include <ESP32-HUB75-MatrixPanel-I2S-DMA.h>
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#include "main.h"
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#define R1 42
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#define G1 40
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#define BL1 41
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#define R2 38
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#define G2 37
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#define BL2 39
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#define CH_A 45
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#define CH_B 36
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#define CH_C 48
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#define CH_D 35
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#define CH_E 21
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#define CLK 2
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#define LAT 47
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#define OE 14
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#define PIN_E 21
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#define PANEL_WIDTH 64
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#define PANEL_HEIGHT 32 // Panel height of 64 will required PIN_E to be defined.
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#define PANELS_NUMBER 1
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#define PANE_WIDTH PANEL_WIDTH * PANELS_NUMBER
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#define PANE_HEIGHT PANEL_HEIGHT
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#define NUM_LEDS PANE_WIDTH*PANE_HEIGHT
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#define ONBOARD_LED 13
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MatrixPanel_I2S_DMA *matrix = nullptr;
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int start_x = 5;
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int start_y = 5;
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int end_x = 59;
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int end_y = 27;
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int anchor_x = 16;
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int anchor_y = 24;
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void setup(){
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Serial.begin(BAUD_RATE);
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pinMode(ONBOARD_LED, OUTPUT);
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// redefine pins if required
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HUB75_I2S_CFG::i2s_pins _pins={R1, G1, BL1, R2, G2, BL2, CH_A, CH_B, CH_C, CH_D, CH_E, LAT, OE, CLK};
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HUB75_I2S_CFG mxconfig(PANEL_WIDTH, PANEL_HEIGHT, PANELS_NUMBER, _pins);
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mxconfig.gpio.e = PIN_E;
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mxconfig.driver = HUB75_I2S_CFG::FM6126A; // for panels using FM6126A chips
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mxconfig.latch_blanking = 4;
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mxconfig.i2sspeed = HUB75_I2S_CFG::HZ_10M;
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mxconfig.clkphase = false;
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//mxconfig.double_buff = true;
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matrix = new MatrixPanel_I2S_DMA(mxconfig);
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matrix->begin();
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matrix->setBrightness8(64);
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matrix->fillScreenRGB888(0, 0, 0);
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}
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int interpolate(int from, int to, float percent) {
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int difference = to - from;
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return from + ( difference * percent );
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}
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void draw_bezier(int x1, int y1, int x2, int y2, int x3, int y3, float percent) {
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// draw lines to p2
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matrix->drawLine(x1, y1, x2, y2, matrix->color565(16, 16, 16));
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matrix->drawLine(x2, y2, x3, y3, matrix->color565(16, 16, 16));
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int xa = interpolate(x1, x2, percent);
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int ya = interpolate(y1, y2, percent);
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int xb = interpolate(x2, x3, percent);
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int yb = interpolate(y2, y3, percent);
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//matrix->drawLine(xa, ya, xb, yb, matrix->color565(0, 128, 0));
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int x = interpolate(xa, xb, percent);
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int y = interpolate(ya, yb, percent);
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matrix->drawPixel(x, y, matrix->color565(255, 255, 255));
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}
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void loop() {
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// matrix ->flipDMABuffer();
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matrix->clearScreen();
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// delay(25);
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anchor_y += 1;
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if (anchor_y >= 32) {
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anchor_y = 0;
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}
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for (float i = 0; i < 1; i += 0.02) {
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draw_bezier(start_x, start_y, anchor_x, anchor_y, end_x, end_y, i);
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}
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matrix->drawPixel(start_x, start_y, matrix->color565(255, 0, 0));
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matrix->drawPixel(end_x, end_y, matrix->color565(255, 0, 0));
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matrix->drawPixel(anchor_x, anchor_y, matrix->color565(255, 0, 255));
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delay(100);
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}
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