Arduino.c

#define RF22_MAX_MESSAGE_LEN 255 //<<<<<<<<<<<<<<<<<<<<<<<
#include <Adafruit_GFX.h>    // Core graphics library
#include "Adafruit_ILI9340.h" // Hardware-specific library
#include <SPI.h>
#include <SD.h>
#include <RF22.h>  // http://www.airspayce.com/mikem/arduino/RF22/index.html

RF22 rf22(10);    // СS, INT .. по умолчанию 10, (D2)

#if defined(__SAM3X8E__)
#undef __FlashStringHelper::F(string_literal)
#define F(string_literal) string_literal
#endif

#define TFT_RST 7
#define TFT_DC 8
#define TFT_CS 9

Adafruit_ILI9340 tft = Adafruit_ILI9340(TFT_CS, TFT_DC, TFT_RST);
#define BUFFPIXEL 2
#define NN 6
uint8_t  sdbuffer[3 * BUFFPIXEL] = {255, 255, 255, 0, 0, 0}; // pixel buffer (R+G+B per pixel)*/
uint8_t  data[NN];
uint8_t buf[RF22_MAX_MESSAGE_LEN];
uint8_t len = sizeof(buf);
uint8_t row = 0;

void setup() {
  Serial.begin(9600);

  tft.begin();
  tft.fillScreen(ILI9340_BLACK);

  if (!rf22.init()) {
    Serial.println("RF22 init failed");
  }

  rf22.setTxPower(RF22_TXPOW_1DBM);
  rf22.setFrequency(433.0);
  rf22.setModemConfig(RF22::GFSK_Rb2Fd5);
}

void loop() {
  uint8_t  r, g, b;

  Serial.println("LOOP START");

  while (!rf22.available()) {
    Serial.println("WAITING...");
  }

  if (rf22.recv(buf, &len)) {
    digitalWrite(10, LOW);

    Serial.print(row);
    Serial.println("ROW");

    Serial.print("Length:");
    Serial.println(len);

    // len == 48?
    for (int jj = 0; jj < len; jj+=3) {
      Serial.println(jj);
      Serial.println("COL");

      b = buf[jj];
      g = buf[jj + 1];
      r = buf[jj + 2];

      Serial.print("R ");
      Serial.print(r);
      Serial.print(" G ");
      Serial.print(g);
      Serial.print(" B ");
      Serial.println(b);

      tft.drawPixel(jj, row, tft.Color565(r, g, b));
    }

    row++;
  } else {
    Serial.println("recv failed");
  }

  Serial.println("LOOP END");
}

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