無線受信を0.3秒ためて出力(M5NanoC6)(ESP_NOW_Serial_Class)

無線受信を0.3秒ためて出力(M5NanoC6)(ESP_NOW_Serial_Class)

目的
前後するが画面表示のちらつき防止の為に
ある程度、文字を貯めて出力する

無線で画面表示を参照の事

//ESP_NOW_Serial_SSD1306_M5NanoC6_1


//インクルド
#include "ESP32_NOW_Serial.h"
#include "MacAddress.h"
#include "WiFi.h"
#include "esp_wifi.h"


//定義
// Channel to be used by the ESP-NOW protocol
#define ESPNOW_WIFI_CHANNEL 1
#define ESPNOW_WIFI_MODE WIFI_STA     // WiFi Mode
#define ESPNOW_WIFI_IF   WIFI_IF_STA  // WiFi Interface

//ここは、相手先のMACアドレスを記述する。
// Set the MAC address of the device that will receive the data
// For example: XX:XX:XX:XX:XX:XX
const MacAddress peer_mac({0x48, 0x27, 0xE2, 0xE3, 0xBD, 0x50});
//const MacAddress peer_mac({0x40, 0x4C, 0xCA, 0x5A, 0xE3, 0x1C});

//無線のシリアル
ESP_NOW_Serial_Class NowSerial(peer_mac, ESPNOW_WIFI_CHANNEL, ESPNOW_WIFI_IF);


//MACを16進に変換
char *mac_add_conv(const uint8_t *a) {

  char h[16] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F'};
  static char b[16 + 1];

  for(int i=0;i<6;i++){
    b[i*2+0] = h[a[i] >> 4];
    b[i*2+1] = h[a[i] & 0x0f];
  }
  b[12] = 0;

  return ( b );
  
}//mac_add_conv


//1文字の送信
void now_ch(char ch) {

  while ( !(NowSerial.availableForWrite()) ) {
    delay(5);//連続送信防止
    Serial.println(".");
  }

  if (NowSerial.write(ch) <= 0) {
    Serial.println("Failed to send data");
  }

}//now_ch


//文字列の送信
void now_print(char *str1)
{
  //文字の中身がゼロか
  while (*str1) {now_ch(*str1 ++); /*一文字出力*/}
}//now_print


//初期化
void setup() {

  //WiFiモードとWifiチャンネルの設定
  WiFi.mode(ESPNOW_WIFI_MODE);
  WiFi.setChannel(ESPNOW_WIFI_CHANNEL, WIFI_SECOND_CHAN_NONE);

  //シリアルポートの初期化
  Serial.begin(115200);

  //WiFiの起動待ち
  for (int i = 0; i < (6+3); i++) {
    Serial.print(".");
    delay(500); //接続待ち
  }
  while (!(WiFi.STA.started())) {
    delay(500);
    Serial.print(".");
  }
  Serial.println();

  //WiFiメッセージの表示
  Serial.print("to  MAC Address: " );
  Serial.println( mac_add_conv( peer_mac  ) );
  Serial.print("WiFi Mode: ");
  Serial.println("Station");
  Serial.print("Channel: ");
  Serial.println(ESPNOW_WIFI_CHANNEL);
  Serial.print("MAC Address: ");
  Serial.println(WiFi.macAddress());

  //ESP_NOW_Serialの起動
  // Start the ESP-NOW communication
  Serial.println("ESP-NOW communication starting...");
  NowSerial.begin(115200); //無線シリアル
  Serial.println("You can now send data to the peer device using the Serial Monitor.\n");

}//setup


//メインループ
void loop() {

  static char data[4096+1];
  int str_num = 0;

  str_num = 0;data[0]=0;
  while (NowSerial.available()) {
    //Serial.print("[");
    data[str_num] = NowSerial.read();
    str_num++;
    if( str_num > 4095 ){str_num = 4095;}
    data[str_num] = 0;
    //Serial.print("]");
  }
  //Serial.print("(");
  //Serial.print("(");
  //Serial.print(str_num);
  //Serial.print(")");

  if( str_num != 0 ){
    //Serial.print("-");
    Serial.print(data);
  }
  
  //Serial.print(")");

  delay(300);

}//loop