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Atm-Automat/firmware/include/lightning_atm.h

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#ifndef LIGHTNING_ATM_H
#define LIGHTNING_ATM_H
#include <Arduino.h>
#include <GxEPD2_BW.h>
#include <Fonts/FreeMonoBold9pt7b.h>
#include "qrcode.h"
#include "Bitcoin.h"
#include <stdlib.h>
#include <Hash.h>
#include <ctype.h>
#include <stdio.h>
// ########################################
// ########### USER ACTION ###########
// ########################################
// Generate and copy in LNbits with the LNURLDevice extension the string for the ATM and paste it here:
const char* lnurlDeviceString = "https://legend.lnbits.com/lnurldevice/api/v1/lnurl/idexample,keyexample,EUR";
// #################### EXAMPLE: https://legend.lnbits.com/lnurldevice/api/v1/lnurl/idexample,keyexample,EUR
// ########################################
// ########################################
// ########################################
// Activate for debugging over Serial (1), deactivate in production use (0)
#define DEBUG_MODE 1
#define COIN_PIN 17
#define PULSE_TIMEOUT 200
#define LED_BUTTON_PIN 21 // old: 13 | new: 21
#define BUTTON_PIN 32
#define MOSFET_PIN 16 // old: 12 | new: 16
#define QR_VERSION 6 // 20 is standard. 6 for simpler QR code, but does not always work.
#define DSPLY_PIN_CS 26
#define DSPLY_PIN_DC 25
#define DSPLY_PIN_RST 33
#define DSPLY_PIN_BUSY 27
#define DSPLY_PIN_CLK 18 // SCK pin SPI
#define DSPLY_PIN_DIN 23 // MOSI pin SPI
// Folowing #defines are Taken from :
//#include "GxEPD2_display_selection_new_style.h"
const uint8_t nr_supported_display_types = 6;
const char* supported_display_types[nr_supported_display_types] = {"GxEPD2_420", "GxEPD2_150_BN", "GxEPD2_270", "GxEPD2_270_GDEY027T91", "GxEPD2_213_B74", "GxEPD2_213_flex"};
#undef USE_HSPI_FOR_EPD
#define GxEPD2_DISPLAY_CLASS GxEPD2_BW // Black and White e-Paper
#define GxEPD2_DRIVER_CLASS GxEPD2_420 // 4.2 inch Waveshare e-paper display
//#define GxEPD2_DRIVER_CLASS GxEPD2_150_BN // 1.54 inch Waveshare e-paper display
const char* display_type = "GxEPD2_420";
// Treiber für das 4.2" Schwarz-Weiß E-Paper
GxEPD2_DISPLAY_CLASS<GxEPD2_DRIVER_CLASS, GxEPD2_DRIVER_CLASS::HEIGHT> display(GxEPD2_DRIVER_CLASS(DSPLY_PIN_CS, DSPLY_PIN_DC, DSPLY_PIN_RST, DSPLY_PIN_BUSY)); // Waveshare ESP32 Driver Board
typedef struct s_qrdata
{
uint8_t current_y;
uint8_t current_x;
uint8_t start_x;
uint8_t start_y;
uint8_t module_size;
uint8_t qr_size;
} t_qrdata;
extern String baseURLATM;
extern String secretATM;
extern String currencyATM;
// Bitcoin Logo
const unsigned char bitcoin_logo[] PROGMEM = {
// 'bitcoin64, 64x64px
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x3f, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0xff, 0xff, 0x80, 0x00, 0x00,
0x00, 0x00, 0x0f, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xff, 0xff, 0xfc, 0x00, 0x00,
0x00, 0x00, 0x7f, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00,
0x00, 0x03, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x07, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00,
0x00, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x0f, 0xff, 0xfc, 0x7f, 0xff, 0xf0, 0x00,
0x00, 0x1f, 0xff, 0xfc, 0x63, 0xff, 0xf8, 0x00, 0x00, 0x3f, 0xff, 0xfc, 0x63, 0xff, 0xfc, 0x00,
0x00, 0x7f, 0xfe, 0x38, 0xe3, 0xff, 0xfe, 0x00, 0x00, 0x7f, 0xfe, 0x00, 0xe3, 0xff, 0xfe, 0x00,
0x00, 0xff, 0xfe, 0x00, 0x03, 0xff, 0xff, 0x00, 0x00, 0xff, 0xff, 0x80, 0x03, 0xff, 0xff, 0x00,
0x00, 0xff, 0xff, 0xc0, 0x00, 0xff, 0xff, 0x80, 0x01, 0xff, 0xff, 0xc0, 0x00, 0x7f, 0xff, 0x80,
0x01, 0xff, 0xff, 0xc1, 0xe0, 0x3f, 0xff, 0x80, 0x01, 0xff, 0xff, 0x81, 0xf8, 0x1f, 0xff, 0x80,
0x03, 0xff, 0xff, 0x83, 0xf8, 0x1f, 0xff, 0xc0, 0x03, 0xff, 0xff, 0x83, 0xf8, 0x1f, 0xff, 0xc0,
0x03, 0xff, 0xff, 0x83, 0xf8, 0x1f, 0xff, 0xc0, 0x03, 0xff, 0xff, 0x01, 0xf0, 0x1f, 0xff, 0xc0,
0x03, 0xff, 0xff, 0x00, 0x00, 0x3f, 0xff, 0xc0, 0x03, 0xff, 0xff, 0x00, 0x00, 0x7f, 0xff, 0xc0,
0x03, 0xff, 0xff, 0x06, 0x00, 0xff, 0xff, 0xc0, 0x03, 0xff, 0xfe, 0x07, 0xc0, 0x7f, 0xff, 0xc0,
0x03, 0xff, 0xfe, 0x0f, 0xe0, 0x3f, 0xff, 0xc0, 0x03, 0xff, 0xfe, 0x0f, 0xf0, 0x3f, 0xff, 0xc0,
0x03, 0xff, 0xec, 0x0f, 0xf0, 0x3f, 0xff, 0xc0, 0x03, 0xff, 0xe0, 0x0f, 0xf0, 0x3f, 0xff, 0xc0,
0x01, 0xff, 0xc0, 0x0f, 0xf0, 0x3f, 0xff, 0x80, 0x01, 0xff, 0xc0, 0x00, 0x00, 0x3f, 0xff, 0x80,
0x01, 0xff, 0xf8, 0x00, 0x00, 0x7f, 0xff, 0x80, 0x01, 0xff, 0xfe, 0x00, 0x00, 0x7f, 0xff, 0x00,
0x00, 0xff, 0xfe, 0x30, 0x00, 0xff, 0xff, 0x00, 0x00, 0xff, 0xfe, 0x38, 0xc7, 0xff, 0xff, 0x00,
0x00, 0x7f, 0xfe, 0x31, 0xff, 0xff, 0xfe, 0x00, 0x00, 0x7f, 0xfc, 0x31, 0xff, 0xff, 0xfe, 0x00,
0x00, 0x3f, 0xff, 0xf1, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x1f, 0xff, 0xf1, 0xff, 0xff, 0xf8, 0x00,
0x00, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00, 0x00, 0x0f, 0xff, 0xff, 0xff, 0xff, 0xf0, 0x00,
0x00, 0x07, 0xff, 0xff, 0xff, 0xff, 0xe0, 0x00, 0x00, 0x03, 0xff, 0xff, 0xff, 0xff, 0xc0, 0x00,
0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x7f, 0xff, 0xff, 0xfe, 0x00, 0x00,
0x00, 0x00, 0x3f, 0xff, 0xff, 0xfc, 0x00, 0x00, 0x00, 0x00, 0x0f, 0xff, 0xff, 0xf0, 0x00, 0x00,
0x00, 0x00, 0x01, 0xff, 0xff, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x3f, 0xfc, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
// put function declarations here:
void clean_screen();
void initialize_display();
void to_upper(char* arr);
void qr_withdrawl_screen(const char* qr_content);
char* makeLNURL(float total);
int xor_encrypt(uint8_t* output, size_t outlen, uint8_t* key, size_t keylen, uint8_t* nonce, size_t nonce_len, uint64_t pin, uint64_t amount_in_cents);
void show_inserted_amount(int amount_in_cents);
String get_amount_string(int amount_in_cents);
unsigned int detect_coin();
void home_screen();
void IRAM_ATTR button_pressed_itr();
void wait_for_user_to_scan();
String getValue(String data, char separator, int index);
void display_sleep();
void test_macro();
// Waveshare 1.54 inch e-ink display functions
void home_screen_waveshare_1_54();
void show_inserted_amount_waveshare_1_54(String amount_in_euro);
void qr_withdrawl_screen_waveshare_1_54(const char* qr_content);
void clean_screen_waveshare_1_54();
// Waveshare 2.7 inch e-ink display functions
void home_screen_waveshare_2_7();
void show_inserted_amount_waveshare_2_7(String amount_in_euro);
void qr_withdrawl_screen_waveshare_2_7(const char* qr_content);
void clean_screen_waveshare_2_7();
// Waveshare 2.13 inch e-ink display (250x122) functions
void home_screen_waveshare_2_13();
void show_inserted_amount_waveshare_2_13(String amount_in_euro);
void qr_withdrawl_screen_waveshare_2_13(const char* qr_content);
void clean_screen_waveshare_2_13();
// Waveshare 2.13 inch e-ink display (D) flex (yellow) (212x104) functions
void home_screen_waveshare_2_13_flex();
void show_inserted_amount_waveshare_2_13_flex(String amount_in_euro);
void qr_withdrawl_screen_waveshare_2_13_flex(const char* qr_content);
void clean_screen_waveshare_2_13_flex();
#endif
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