Fahrplan initial commit

fahrplan/Makefile

@@ -0,0 +1,21 @@
+# Uncomment lines below if you have problems with $PATH
+#SHELL := /bin/bash
+#PATH := /usr/local/bin:$(PATH)
+
+all:
+		pio.exe -f -c vim run
+
+upload:
+		pio.exe -f -c vim run --target upload
+
+clean:
+		pio.exe -f -c vim run --target clean
+
+program:
+		pio.exe -f -c vim run --target program
+
+uploadfs:
+		pio.exe -f -c vim run --target uploadfs
+
+update:
+		pio.exe -f -c vim update

fahrplan/platformio.ini

@@ -0,0 +1,22 @@
+; 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:adafruit_matrixportal_esp32s3]
+platform = espressif32
+board = adafruit_matrixportal_esp32s3
+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

fahrplan/src/config.h

@@ -0,0 +1,4 @@
+// config.h
+
+#define WIFI_SSID PankiNet
+#define WIFI_PSK foo

fahrplan/src/constants.h

@@ -0,0 +1,26 @@
+#define R1 42
+#define G1 40
+#define BL1 41
+#define R2 38
+#define G2 37
+#define BL2 39
+#define CH_A 45
+#define CH_B 36
+#define CH_C 48
+#define CH_D 35
+#define CH_E 21
+#define CLK 2
+#define LAT 47
+#define OE 14
+
+#define PIN_E 21
+#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
+
+#define ONBOARD_LED 13

fahrplan/src/main.cpp

@@ -0,0 +1,110 @@
+#include <Arduino.h>
+#include "xtensa/core-macros.h"
+#include <ESP32-HUB75-MatrixPanel-I2S-DMA.h>
+
+#include "main.h"
+#include "constants.h"
+#include "config.h"
+#include "util.h"
+
+#include <vector>
+#include <string>
+
+MatrixPanel_I2S_DMA *matrix = nullptr;
+
+void setup(){
+  Serial.begin(BAUD_RATE);
+  //while (!Serial) {
+  //  ; // wait for serial port to connect. Needed for native USB
+  //}
+  pinMode(ONBOARD_LED, OUTPUT);
+
+  // 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 = false;
+
+  // mxconfig.double_buff = true;
+
+  matrix = new MatrixPanel_I2S_DMA(mxconfig);
+  matrix->begin();
+  matrix->setBrightness8(64);
+  matrix->fillScreenRGB888(0, 0, 0);
+}
+
+void draw_title(const std::string& title, uint16_t color) {
+    int y_pos = 0;
+    int x_pos = 0;
+    //matrix->setCursor(x_pos, y_pos);
+    for (size_t idx = 0; idx < title.size(); idx++) {
+      char current = title[idx];
+      if (current != ' ') {
+          if (current == 'I') {
+              x_pos -=1;
+          }
+          matrix->drawChar(x_pos, y_pos, current, color, matrix->color444(0,0,0), 1);
+          if (current == 'I') {
+              x_pos += 5;
+          } else {
+              x_pos += 6; // char width + 1px gap
+          }
+      } else {
+          x_pos += 2; // small space
+      }
+
+      if (x_pos > (63 - 5)) { // new line
+          if (current != ' ') {
+              matrix->drawChar(x_pos, y_pos, '-', color, matrix->color444(0,0,0), 1);
+          }
+          x_pos = 0;
+          y_pos = y_pos + 8; //char height + 1px
+      }
+    }
+}
+
+void draw_time(const std::string &time) {
+    int x_pos = 0;
+    int y_pos = 32 - 8;
+
+    for (size_t idx = 0; idx < time.size(); idx++) {
+        char current = time[idx];
+        int offset = 0;
+        switch (current) {
+            case '1':
+                offset = 1;
+                break;
+        }
+        if (current == ':') {
+            matrix->drawPixel(x_pos, y_pos + 2, matrix->color444(1,1,1));
+            matrix->drawPixel(x_pos, y_pos + 4, matrix->color444(1,1,1));
+            x_pos = x_pos + 2;
+        } else {
+            x_pos = x_pos - offset;
+            matrix->drawChar(x_pos, y_pos, current, matrix->color444(1,1,1), matrix->color444(0,0,0), 1);
+            x_pos = x_pos + (6 - offset);
+        }
+    }
+}
+
+void draw_location(const std::string &location) {
+    int pixel_size = (location.size() * 6) - 1;
+    matrix->setCursor(63 - pixel_size, 32 - 8);
+    matrix->print(location.c_str());
+}
+
+void loop() {
+  std::string title = "THE ART OF TEXT RENDERING";
+  std::string time = "11:00";
+  std::string loc = "GRND";
+  draw_title(title, matrix->color565(249, 176, 0));
+  draw_time(time);
+  draw_location(loc);
+
+  delay(100);
+}

fahrplan/src/main.h

@@ -0,0 +1,10 @@
+#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);
+

fahrplan/src/util.cpp

@@ -0,0 +1,5 @@
+#include "constants.h"
+
+bool is_in_bounds(int x, int y) {
+  return (x < PANEL_WIDTH) and (y < PANEL_HEIGHT) and (x >= 0) and (y >= 0);
+}

fahrplan/src/util.h

@@ -0,0 +1,2 @@
+bool is_in_bounds(int x, int y);
+