/************************************************************************************************* 
                                      PROGRAMMINFO
************************************************************************************************** 
Funktion: 64-LED-Matrix-Screen-Modul - Testprogramm  

**************************************************************************************************
Version: 23.02.2022
**************************************************************************************************
Board: NANO V3
**************************************************************************************************
C++ Arduino IDE V1.8.13
**************************************************************************************************
Einstellungen:
https://dl.espressif.com/dl/package_esp32_index.json
http://dan.drown.org/stm32duino/package_STM32duino_index.json
https://raw.githubusercontent.com/espressif/arduino-esp32/gh-pages/package_esp32_dev_index.json
**************************************************************************************************
Librarys
- WiFi.h V0.16.1
**************************************************************************************************
 
 **************************************************************************************************/


#include <MD_MAX72xx.h >
#define HARDWARE_TYPE MD_MAX72XX::FC16_HW
#define MAX_DEVICES 1 
#define CLK_PIN 13 // or SCK
#define DATA_PIN 11 // or MOSI
#define CS_PIN 10 // or SS
#define DELAYTIME 100 // in milliseconds
MD_MAX72XX mx = MD_MAX72XX(HARDWARE_TYPE, CS_PIN, MAX_DEVICES);
void scrollText(char *p) {
uint8_t charWidth;
uint8_t cBuf[8];
mx.clear();
while (*p != '\0') {
charWidth = mx.getChar(*p++, sizeof(cBuf) / sizeof(cBuf[0]), cBuf);
for (uint8_t i=0; i<=charWidth; i++) {
mx.transform(MD_MAX72XX::TSL);
if (i < charWidth) {
mx.setColumn(0, cBuf[i]);
}
delay(DELAYTIME);
}
}
}
void rows() {
mx.clear();
for (uint8_t row=0; row<ROW_SIZE; row++) {
mx.setRow(row, 0xff);
delay(2*DELAYTIME);
mx.setRow(row, 0x00);
}
}

void columns() {
mx.clear();
for (uint8_t col=0; col<mx.getColumnCount(); col++) {
mx.setColumn(col, 0xff);
delay(DELAYTIME/MAX_DEVICES);
mx.setColumn(col, 0x00);
}
}
void intensity() {
uint8_t row;
mx.clear();
for (int8_t i=0; i<=MAX_INTENSITY; i++) {
mx.control(MD_MAX72XX::INTENSITY, i);
mx.setRow(0, 0xff);
delay(DELAYTIME*10);
}
mx.control(MD_MAX72XX::INTENSITY, 8);
}

void transformation() {
uint8_t arrow[COL_SIZE] = {
0b00001000,
0b00011100,
0b00111110,
0b01111111,
0b00011100,
0b00011100,
0b00111110,
0b00000000 };
MD_MAX72XX::transformType_t
t[] = {
MD_MAX72XX::TSL, MD_MAX72XX::TSL, MD_MAX72XX::TSL, MD_MAX72XX::TSL,
MD_MAX72XX::TSL, MD_MAX72XX::TSL, MD_MAX72XX::TSL, MD_MAX72XX::TSL,
MD_MAX72XX::TSL, MD_MAX72XX::TSL, MD_MAX72XX::TSL, MD_MAX72XX::TSL,
MD_MAX72XX::TSL, MD_MAX72XX::TSL, MD_MAX72XX::TSL, MD_MAX72XX::TSL,
MD_MAX72XX::TFLR,
MD_MAX72XX::TSR, MD_MAX72XX::TSR, MD_MAX72XX::TSR, MD_MAX72XX::TSR,
MD_MAX72XX::TSR, MD_MAX72XX::TSR, MD_MAX72XX::TSR, MD_MAX72XX::TSR,
MD_MAX72XX::TSR, MD_MAX72XX::TSR, MD_MAX72XX::TSR, MD_MAX72XX::TSR,
MD_MAX72XX::TSR, MD_MAX72XX::TSR, MD_MAX72XX::TSR, MD_MAX72XX::TSR,
MD_MAX72XX::TRC,
MD_MAX72XX::TSD, MD_MAX72XX::TSD, MD_MAX72XX::TSD, MD_MAX72XX::TSD,
MD_MAX72XX::TSD, MD_MAX72XX::TSD, MD_MAX72XX::TSD, MD_MAX72XX::TSD,
MD_MAX72XX::TFUD,
MD_MAX72XX::TSU, MD_MAX72XX::TSU, MD_MAX72XX::TSU, MD_MAX72XX::TSU,
MD_MAX72XX::TSU, MD_MAX72XX::TSU, MD_MAX72XX::TSU, MD_MAX72XX::TSU,
MD_MAX72XX::TINV,
MD_MAX72XX::TRC, MD_MAX72XX::TRC, MD_MAX72XX::TRC, MD_MAX72XX::TRC,
MD_MAX72XX::TINV };
mx.clear();
mx.control(MD_MAX72XX::UPDATE, MD_MAX72XX::OFF);
for (uint8_t j=0; j<mx.getDeviceCount(); j++) {
mx.setBuffer(((j+1)*COL_SIZE)-1, COL_SIZE, arrow);
}

// one tab
mx.control(MD_MAX72XX::UPDATE, MD_MAX72XX::ON);
delay(DELAYTIME);
mx.control(MD_MAX72XX::WRAPAROUND, MD_MAX72XX::ON);
for (uint8_t i=0; i<(sizeof(t)/sizeof(t[0])); i++) {
mx.transform(t[i]);
delay(DELAYTIME*4);
}
mx.control(MD_MAX72XX::WRAPAROUND, MD_MAX72XX::OFF);
}
void showCharset() {
mx.clear();
mx.update(MD_MAX72XX::OFF);
for (uint16_t i=0; i<256; i++) {
mx.clear(0);
mx.setChar(COL_SIZE-1, i);
if (MAX_DEVICES >= 3) {
char hex[3];
sprintf(hex, "%02X", i);
mx.clear(1);
mx.setChar((2*COL_SIZE)-1, hex[1]);
mx.clear(2);
mx.setChar((3*COL_SIZE)-1, hex[0]);
}
mx.update();
delay(DELAYTIME*2);
}
mx.update(MD_MAX72XX::ON);
}

void setup() {
mx.begin();
}
void loop() {
scrollText("Graphics");
rows();
columns();
intensity();
transformation();
showCharset();
delay(3000);
}