CelliesProjects

#include <Arduino.h>
// #define LGFX_USE_V1

#include <LovyanGFX.hpp>

// This is the hardware:
// https://github.com/LilyGO/TTGO-TM-ESP32

// LGFX for TTGO T-Display
class LGFX : public lgfx::LGFX_Device

CelliesProjects

/* simple poc demonstrating a timer interupt driven ISR living in a class */

class foo {
    public:
        bool start_isr();

    private:
        static void _timer_isr();
        hw_timer_t * exampleTimer;

CelliesProjects

#include <tcpip_adapter.h>

static bool netif_isup() {
    for (int i = TCPIP_ADAPTER_IF_STA; i < TCPIP_ADAPTER_IF_MAX; i++)
        if (tcpip_adapter_is_netif_up((tcpip_adapter_if_t)i)) return true;
    return false;
}

CelliesProjects

#include <WiFi.h>

// https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-reference/system/system_time.html#

// https://github.com/espressif/esp-idf/blob/master/examples/protocols/sntp/main/sntp_example_main.c

const char* WIFI_NETWORK =         "xxx";
const char* WIFI_PASSWORD =        "xxx";

const char* NTP_POOL =             "nl.pool.ntp.org";

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server.on("/hw-reset", HTTP_GET, [](AsyncWebServerRequest *request){
      request->onDisconnect([](){
#ifdef ESP32
        ESP.restart();
#elif defined(ESP8266)
        ESP.reset();
#endif
      });
    request->send(200, "text/plain","Restarting ...");
});

CelliesProjects

/*
    This is a serial to websocket server for application with a DSMR 5.x. conform 'Dutch Smart Meter'.

    This sketch reads messages (terminated by a newline) from a smart meter connected on Serial

    and echos these messages to clients connected on websocket '/ws'.

    All non utf8 chararacters in the messages are dropped.
*/

CelliesProjects

// Load Wi-Fi library
#include <WiFi.h>

// Replace with your network credentials
const char* ssid     = "";
const char* password = "";


void setup(){  
  IPAddress local_IP(192, 168, 0, 60);  /* THIS SHOULD BE OUTSIDE YOUR ROUTERS DHCP RANGE! */

CelliesProjects

#include "driver/ledc.h"

static void enable_out_clock(uint8_t pin,double freq) {
    periph_module_enable(PERIPH_LEDC_MODULE);
    ledc_timer_bit_t bit_num = (ledc_timer_bit_t) 1;      // 3 normally
    int duty = pow(2, (int) bit_num) / 2;

    ledc_timer_config_t timer_conf;
    timer_conf.bit_num = bit_num;
    timer_conf.freq_hz = freq;

CelliesProjects

#include <Wire.h>

#define M5GO_WHEEL_ADDR     0x56
#define MOTOR_CTRL_ADDR     0x00
#define ENCODER_ADDR        0x04
#define DEAD_ZONE           5

void setMotor(int16_t pwm0, int16_t pwm1) {
  Wire.beginTransmission(M5GO_WHEEL_ADDR);
  Wire.write(MOTOR_CTRL_ADDR); // Motor ctrl reg addr

CelliesProjects

#include <Wire.h>

void setup() {
  // put your setup code here, to run once:
  Wire.begin( 21, 22, 400000 );
  Wire.beginTransmission( 0X1A );
  uint8_t error = Wire.endTransmission();
  if ( error ) ESP_LOGI( TAG, "No codec found." );
}