pixel filling test

.gitignore

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+.pio

platformio.ini

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+; PlatformIO Project Configuration File
+;
+;   Build options: build flags, source filter
+;   Upload options: custom upload port, speed and extra flags
+;   Library options: dependencies, extra library storages
+;   Advanced options: extra scripting
+;
+; Please visit documentation for the other options and examples
+; https://docs.platformio.org/page/projectconf.html
+
+[env:esp32dev]
+platform = espressif32
+board = esp32dev
+framework = arduino
+monitor_speed = 115200
+
+lib_deps =
+  adafruit/Adafruit GFX Library
+  adafruit/Adafruit BusIO
+  Wire
+  fastled/FastLED
+  https://github.com/mrfaptastic/ESP32-HUB75-MatrixPanel-I2S-DMA.git
+

src/blink.cpp.bak

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+#include <Arduino.h>
+
+#define LED 2
+
+void setup() {
+  // put your setup code here, to run once:
+  //Serial.begin(115200);
+  pinMode(LED, OUTPUT);
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+  digitalWrite(LED, HIGH);
+  //Serial.println("LED is on");
+  delay(1000);
+  digitalWrite(LED, LOW);
+  //Serial.println("LED is off");
+  delay(1000);
+}

src/main.cpp

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+#include <Arduino.h>
+#include "xtensa/core-macros.h"
+#include <ESP32-HUB75-MatrixPanel-I2S-DMA.h>
+
+#include "main.h"
+
+#define R1 25
+#define G1 27 //26
+#define BL1 26 //27
+#define R2 14
+#define G2 13 //12
+#define BL2 12 //13
+#define CH_A 23
+#define CH_B 22 //19
+#define CH_C 5
+#define CH_D 17
+#define CH_E 32 // assign to any available pin if using panels with 1/32 scan
+#define CLK 16
+#define LAT 4
+#define OE 15
+
+#define PIN_E 32
+#define PANEL_WIDTH 64
+#define PANEL_HEIGHT 32         // Panel height of 64 will required PIN_E to be defined.
+
+#define PANELS_NUMBER 1
+
+#define PANE_WIDTH PANEL_WIDTH * PANELS_NUMBER
+#define PANE_HEIGHT PANEL_HEIGHT
+#define NUM_LEDS PANE_WIDTH*PANE_HEIGHT
+
+MatrixPanel_I2S_DMA *matrix = nullptr;
+
+void setup(){
+
+  Serial.begin(BAUD_RATE);
+  Serial.println("Starting pattern test...");
+
+  // redefine pins if required
+  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};
+  HUB75_I2S_CFG mxconfig(PANEL_WIDTH, PANEL_HEIGHT, PANELS_NUMBER, _pins);
+
+  mxconfig.gpio.e = PIN_E;
+  mxconfig.driver = HUB75_I2S_CFG::FM6126A;   // for panels using FM6126A chips
+
+  mxconfig.latch_blanking = 4;
+  mxconfig.i2sspeed = HUB75_I2S_CFG::HZ_10M;
+  mxconfig.clkphase = true;
+
+  matrix = new MatrixPanel_I2S_DMA(mxconfig);
+  matrix->begin();
+  matrix->setBrightness8(32);
+}
+
+void loop() {
+  for(int y = 0; y!=PANE_HEIGHT; y++) {
+    for(int x = 0; x!=PANE_WIDTH; x++) {
+        matrix->drawPixelRGB888(x, y, 0, 0, 255);
+        delay(10);
+    }
+    Serial.printf("Row complete: %d\n", y);
+  }
+  matrix->fillScreenRGB888(0, 0, 0);
+}

src/main.h

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+#include <FastLED.h>
+
+#define BAUD_RATE       115200  // serial debug port baud rate
+
+void buffclear(CRGB *buf);
+uint16_t XY16( uint16_t x, uint16_t y);
+void mxfill(CRGB *leds);
+uint16_t colorWheel(uint8_t pos);
+void drawText(int colorWheelOffset);
+