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12 changed files with 3 additions and 464 deletions

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@ -1,21 +0,0 @@
# 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

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@ -1,27 +0,0 @@
; 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
bitbank2/AnimatedGIF
bblanchon/ArduinoJson
build_flags =
-DS3_LCD_DIV_NUM=20

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@ -1,40 +0,0 @@
#!/usr/bin/env python3
import json
import datetime
import requests
from http.server import ThreadingHTTPServer, BaseHTTPRequestHandler
def run():
schedule = requests.get('https://api.events.ccc.de/congress/2025/schedule.json').json() # json.load(open('schedule.json', 'r'))
talks = []
for day in schedule['schedule']['conference']['days']:
for room in ['Zero', 'One', 'Fuse', 'Ground']: #day['rooms']:
talks += day['rooms'][room]
talks.sort(key=lambda talk: talk['date'])
now = datetime.datetime.now()
upcoming = []
for talk in talks:
if datetime.datetime.fromisoformat(talk['date']).timestamp() < now.timestamp():
continue
upcoming.append({'start': talk['start'], 'room': talk['room'], 'title': talk['title']})
return json.dumps(upcoming)
class Handler(BaseHTTPRequestHandler):
def do_GET(self):
data = run().encode("utf-8")
self.send_response(200)
self.send_header("Content-Type", "text/plain; charset=utf-8")
self.send_header("Content-Length", str(len(data)))
self.end_headers()
self.wfile.write(data)
if __name__ == '__main__':
server = ThreadingHTTPServer(("0.0.0.0", 8000), Handler)
server.serve_forever()

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@ -1,3 +0,0 @@
// config.h
#define DISPLAY_DURATION 10000

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@ -1,26 +0,0 @@
#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

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@ -1,269 +0,0 @@
#include <Arduino.h>
#include <ArduinoJson.h>
#include <WiFi.h>
#include <HTTPClient.h>
#include "xtensa/core-macros.h"
#include <ESP32-HUB75-MatrixPanel-I2S-DMA.h>
#include <AnimatedGIF.h>
#include "main.h"
#include "constants.h"
#include "config.h"
#include "util.h"
#include "pp.h"
#include <vector>
#include <string>
MatrixPanel_I2S_DMA *matrix = nullptr;
AnimatedGIF gif;
WiFiClientSecure client;
HTTPClient http;
DynamicJsonDocument doc(32768);
long lastrefresh = 0;
bool firstRequest = true;
int current_index = 0;
long last_index_change = 0;
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(255);
matrix->fillScreenRGB888(0, 0, 0);
gif.begin(LITTLE_ENDIAN_PIXELS);
matrix->setCursor(0, 0);
char ssid[] = "YOUR_SSID";
char pw[] = "YOUR_PSK";
matrix->print(ssid);
//Serial.print("Connecting");
WiFi.begin(ssid, pw);
// WiFi.begin(ssid, NULL);
while (WiFi.status() != WL_CONNECTED) {
delay(500);
matrix->fillScreenRGB888(0, 0, 0);
matrix->setCursor(0, 0);
matrix->print(WiFi.status());
//Serial.print(".");
}
matrix->fillScreenRGB888(0, 0, 0);
client.setInsecure();
http.useHTTP10(true);
http.begin(client, "https://www.theresno.cloud/schedhelp");
}
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 if (x_pos != 0) {
x_pos += 2; // small space
}
if (y_pos >= 16 && x_pos >= (63 - 6)) {
// ellipsis
matrix->drawPixel(x_pos, y_pos + 6, color);
matrix->drawPixel(x_pos + 2, y_pos + 6, color);
matrix->drawPixel(x_pos + 4, y_pos + 6, color);
break;
}
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 - 7;
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->color565(255,255,255));
matrix->drawPixel(x_pos, y_pos + 4, matrix->color565(255,255,255));
x_pos = x_pos + 2;
} else {
x_pos = x_pos - offset;
matrix->drawChar(x_pos, y_pos, current, matrix->color565(255,255,255), 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 - 7);
matrix->print(location.c_str());
}
void GIFDraw(GIFDRAW *pDraw) {
uint8_t *s;
uint16_t *d, *usPalette, usTemp[320];
int x, y, iWidth;
usPalette = pDraw->pPalette;
y = pDraw->iY + pDraw->y; // current line
s = pDraw->pPixels;
if (pDraw->ucDisposalMethod == 2) // restore to background color
{
for (x = 0; x < iWidth; x++)
{
if (s[x] == pDraw->ucTransparent)
s[x] = pDraw->ucBackground;
}
pDraw->ucHasTransparency = 0;
}
// Apply the new pixels to the main image
if (pDraw->ucHasTransparency) // if transparency used
{
// Serial.println("Transparency!");
uint8_t *pEnd, c, ucTransparent = pDraw->ucTransparent;
int x, iCount;
pEnd = s + pDraw->iWidth;
//x = 0;
x = pDraw->iX;
iCount = 0; // count non-transparent pixels
while (x < pDraw->iWidth)
{
c = ucTransparent - 1;
d = usTemp;
while (c != ucTransparent && s < pEnd)
{
c = *s++;
if (c == ucTransparent) // done, stop
{
s--; // back up to treat it like transparent
}
else // opaque
{
*d++ = usPalette[c];
iCount++;
}
} // while looking for opaque pixels
if (iCount) // any opaque pixels?
{
for (int xOffset = 0; xOffset < iCount; xOffset++)
{
matrix->drawPixel(28 + x + xOffset, 27 + y, usTemp[xOffset]);
}
x += iCount;
iCount = 0;
}
// no, look for a run of transparent pixels
c = ucTransparent;
while (c == ucTransparent && s < pEnd)
{
c = *s++;
if (c == ucTransparent)
iCount++;
else
s--;
}
if (iCount)
{
x += iCount; // skip these
iCount = 0;
}
}
}
else
{
s = pDraw->pPixels;
// Translate the 8-bit pixels through the RGB565 palette (already byte reversed)
for (x = 0; x < pDraw->iWidth; x++)
{
matrix->drawPixel(28 + x, 27 + y, usPalette[*s++]);
}
}
}
void loop() {
if(firstRequest || (millis() - lastrefresh > 120000)) {
http.GET();
DeserializationError error = deserializeJson(doc, http.getStream());
if (error) {
//Serial.print(F("deserializeJson() failed: "));
//Serial.println(error.f_str());
return;
}
lastrefresh = millis();
firstRequest = false;
}
const char *j_title = doc[current_index]["title"];
const char *j_time = doc[current_index]["start"];
const char *j_room = doc[current_index]["room"];
std::string title(j_title); //= "THE ART OF TEXT RE:NDERING";
std::string time(j_time); // = "11:00";
std::string loc(j_room); //= "GRND";
//draw_title(title, matrix->color565(249, 176, 0));
draw_title(title, matrix->color565(doc[current_index]["r"], doc[current_index]["g"], doc[current_index]["b"]));
draw_time(time);
draw_location(loc);
if (gif.open((uint8_t *)reallytinypp, sizeof(reallytinypp), GIFDraw)) {
while (gif.playFrame(true, NULL)) {
;
}
gif.close();
}
if (millis() - last_index_change > DISPLAY_DURATION ) {
current_index++;
if (current_index > 4) {
current_index = 0;
}
last_index_change = millis();
matrix->fillScreenRGB888(0, 0, 0);
}
}

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

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@ -1,30 +0,0 @@
// Created with image_to_c
// https://github.com/bitbank2/image_to_c
//
// reallytinypp
// Data size = 251 bytes
//
// GIF, Compression=LZW, Size: 7 x 5, 3-Bpp
// 4 frames
//
// for non-Arduino builds...
#ifndef PROGMEM
#define PROGMEM
#endif
const uint8_t reallytinypp[] PROGMEM = {
0x47,0x49,0x46,0x38,0x39,0x61,0x07,0x00,0x05,0x00,0xf2,0x00,0x00,0x00,0x00,0x00,
0x20,0x67,0x2c,0xee,0x00,0x00,0x06,0x94,0x20,0x1b,0x4c,0x85,0x1f,0x54,0x90,0xff,
0xff,0xff,0x00,0x00,0x00,0x21,0xff,0x0b,0x4e,0x45,0x54,0x53,0x43,0x41,0x50,0x45,
0x32,0x2e,0x30,0x03,0x01,0x00,0x00,0x00,0x21,0xfe,0x27,0x47,0x49,0x46,0x20,0x63,
0x72,0x6f,0x70,0x70,0x65,0x64,0x20,0x77,0x69,0x74,0x68,0x20,0x68,0x74,0x74,0x70,
0x73,0x3a,0x2f,0x2f,0x65,0x7a,0x67,0x69,0x66,0x2e,0x63,0x6f,0x6d,0x2f,0x63,0x72,
0x6f,0x70,0x00,0x21,0xf9,0x04,0x05,0x1e,0x00,0x07,0x00,0x2c,0x00,0x00,0x00,0x00,
0x07,0x00,0x05,0x00,0x00,0x03,0x0f,0x78,0x17,0xb3,0x1d,0x06,0x8c,0xc8,0x84,0xb5,
0x6c,0x68,0x4d,0x8a,0xff,0x09,0x00,0x21,0xf9,0x04,0x05,0x0a,0x00,0x00,0x00,0x2c,
0x00,0x00,0x00,0x00,0x07,0x00,0x05,0x00,0x00,0x02,0x07,0x84,0x7f,0x33,0xa0,0xe8,
0xff,0x0a,0x00,0x21,0xf9,0x04,0x05,0x1e,0x00,0x01,0x00,0x2c,0x00,0x00,0x00,0x00,
0x07,0x00,0x05,0x00,0x00,0x03,0x08,0x18,0xba,0x0b,0x16,0x8e,0xc9,0x39,0x13,0x00,
0x21,0xf9,0x04,0x05,0x46,0x00,0x01,0x00,0x2c,0x00,0x00,0x00,0x00,0x07,0x00,0x05,
0x00,0x00,0x03,0x08,0x18,0xba,0x6b,0x10,0x8e,0xc9,0x39,0x13,0x00,0x21,0xf9,0x04,
0x05,0x32,0x00,0x01,0x00,0x2c,0x00,0x00,0x00,0x00,0x07,0x00,0x05,0x00,0x00,0x03,
0x08,0x18,0xba,0x0b,0x16,0x8e,0xc9,0x39,0x13,0x00,0x3b};

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@ -1,5 +0,0 @@
#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);
}

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

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@ -1,21 +0,0 @@
#include "enums.h"
#include "constants.h"
DisplayStyle next_style(DisplayStyle style) {
switch(style) {
case Rain:
return Congress;
break;
case Congress:
return Supercomputer;
break;
case Supercomputer:
return Cyber;
break;
case Cyber:
return Flame;
break;
case Flame:
return Rain;
break;
}
}

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@ -20,7 +20,6 @@ Mode mode = HighVis;
DisplayStyle style = Rain; DisplayStyle style = Rain;
unsigned long last_switch; unsigned long last_switch;
bool cycling = true;
void setup(){ void setup(){
pinMode(ONBOARD_LED, OUTPUT); pinMode(ONBOARD_LED, OUTPUT);
@ -53,8 +52,9 @@ void setup(){
void loop() { void loop() {
matrix ->flipDMABuffer(); matrix ->flipDMABuffer();
matrix->clearScreen(); matrix->clearScreen();
//delay(25);
if (cycling and millis() - last_switch > CYCLE_TIME_MS) { if (millis() - last_switch > CYCLE_TIME_MS) {
// next style // next style
style = next_style(style); //DisplayStyle((style + 1) % (NumStyles - 1)); style = next_style(style); //DisplayStyle((style + 1) % (NumStyles - 1));
last_switch = millis(); last_switch = millis();
@ -76,15 +76,8 @@ void loop() {
} }
if(!digitalRead(NEXT_BUTTON)) { if(!digitalRead(NEXT_BUTTON)) {
unsigned long pressed_at = millis(); style = next_style(style);
while(!digitalRead(NEXT_BUTTON)); // Wait for release while(!digitalRead(NEXT_BUTTON)); // Wait for release
// see if the button was held or tapped
if (millis() - pressed_at > 500) {
// todo
cycling = not cycling;
} else {
style = next_style(style);
}
} }
switch(style) { switch(style) {