{"id":3716,"date":"2020-06-07T22:23:11","date_gmt":"2020-06-07T20:23:11","guid":{"rendered":"https:\/\/arduino.net.pl\/?p=3716"},"modified":"2020-06-12T23:25:31","modified_gmt":"2020-06-12T21:25:31","slug":"pjon","status":"publish","type":"post","link":"https:\/\/arduino.net.pl\/index.php\/pjon\/","title":{"rendered":"PJON"},"content":{"rendered":"\n

Tw\u00f3rcy biblioteki PJON<\/a> napisali:<\/strong><\/p>\n\n\n\n

Dzi\u0119ki PJON\u00ae (Padded Jittering Operative Network) z du\u017c\u0105 elastyczno\u015bci\u0105 i bez potrzeby korzystania z us\u0142ug zewn\u0119trznego dostawcy lub us\u0142ugi w chmurze mo\u017cesz bezpiecznie \u0142\u0105czy\u0107 sprz\u0119t i produkty elektroniki u\u017cytkowej. Do\u0142\u0105cz do rewolucji.<\/p><\/blockquote>\n\n\n\n

Czy to naprawd\u0119 rewolucja w \u0142\u0105czeniu czujnik\u00f3w z platformami i platform mi\u0119dzy sob\u0105 w r\u00f3\u017cny spos\u00f3b? Zobaczymy.<\/p>\n\n\n\n

Spis tre\u015bci<\/span><\/mark><\/h3>\n\n\n\n
  1. Wysy\u0142ka przez WiFi. Najprostsza konfiguracja.<\/a><\/li>
  2. Strategia Medium Wire<\/a><\/li>
  3. \u0141\u0105czenie ESP32 z ESP8266<\/a><\/li>
  4. Voltage tester device, czyli PJON w praktyce<\/a><\/li>
  5. Linki<\/a><\/li><\/ol>\n\n\n\n
    <a href=\"#nazwa_etykiety\">opis odsy\u0142acza<\/a>\n(...)\n<a name=\"nazwa_etykiety\">(opis etykiety)<\/a><\/code><\/pre>\n\n\n\n
    \n
    \n
    \n<\/a>\n\n\n\n
    <\/div>\n<\/div><\/div>\n<\/div><\/div>\n<\/div><\/div>\n\n\n\n
    1. Wysy\u0142ka przez WiFi. Najprostsza konfiguracja<\/span><\/mark><\/h3>\n\n\n\n
    Transmitter_v2  ESP32 lub ESP8266<\/span><\/h5>\n\n\n
    \n#include &lt;PJON.h>\n#include &lt;credentials.h> \/\/ plik w kt\u00f3rym przechowuj\u0119 m\u00f3j ssid oraz password\n\n\/\/ &lt;Strategy name> bus(selected device id)\nPJON&lt;DualUDP> bus(45);\n\n\/\/const char* ssid     = "MyNetworkSSID";\n\/\/const char* password = "MyNetworkPassword";\n\nuint8_t content[] = "01234567890123456789";\n\n\nvoid setup() {\n  Serial.begin(115200);\n  Serial.println("Transmitter started.");\n  WiFi.begin(ssid, password);\n  while (WiFi.status() != WL_CONNECTED) {\n    delay(500);\n    Serial.print(".");\n  }\n\n  bus.set_communication_mode(PJON_SIMPLEX);\n  bus.begin();\n  bus.send(44, content, 20);\n}\n\nvoid loop() {\n\n    if(!bus.update()) \/\/ If all packets are delivered, send another\n    bus.send(44, content, 20);\n\n\n};\n<\/pre><\/div>\n\n\n
    Receiver_v2<\/strong>  ESP32 lub ESP8266<\/span><\/h5>\n\n\n
    \n#include &lt;PJON.h>\n#include &lt;credentials.h>\n\n\/\/ &lt;Strategy name> bus(selected device id)\nPJON&lt;DualUDP> bus(44);\n\n\/\/const char* ssid     = "MyNetworkSSID";\n\/\/const char* password = "MyNetworkPassword";\n\n\nfloat test;\nfloat mistakes;\nint busy;\nint fail;\n\nvoid receiver_function(uint8_t *payload, uint16_t length, const PJON_Packet_Info &amp;packet_info) {\n \/\/ Do nothing to avoid affecting speed analysis\n}\n\nvoid setup() {\n  Serial.begin(115200);\n  Serial.println("Receiver started.");\n  WiFi.begin(ssid, password);\n  while (WiFi.status() != WL_CONNECTED) {\n    delay(500);\n    Serial.print(".");\n  }\n  Serial.printf("Now listening at IP %s\\n", WiFi.localIP().toString().c_str());\n\n  bus.set_receiver(receiver_function);\n  bus.set_communication_mode(PJON_SIMPLEX);\n  bus.begin();\n};\n\n\nvoid loop() {\n  Serial.println("Starting 1 second communication speed test...");\n  long time = millis();\n  unsigned int response = 0;\n  while(millis() - time &lt; 1000) {\n    response = bus.receive();\n    if(response == PJON_ACK)\n      test++;\n    if(response == PJON_NAK)\n      mistakes++;\n    if(response == PJON_BUSY)\n      busy++;\n    if(response == PJON_FAIL)\n      fail++;\n  }\n\n  Serial.print("Bandwidth: ");\n  Serial.print(test * (20 + bus.packet_overhead(bus.data[1])));\n  Serial.println("B\/s");\n  Serial.print("Data throughput: ");\n  Serial.print(test * 20);\n  Serial.println("B\/s");\n  Serial.print("Packets sent: ");\n  Serial.println(test);\n  Serial.print("Mistakes (error found with CRC): ");\n  Serial.println(mistakes);\n  Serial.print("Fail (no data found): ");\n  Serial.println(fail);\n  Serial.print("Busy (Channel is busy or affected by interference): ");\n  Serial.println(busy);\n  Serial.print("Accuracy: ");\n  Serial.print(100 - (100 \/ (test \/ mistakes)));\n  Serial.println(" %");\n  Serial.println(" --------------------- ");\n  \/\/ Avoid Serial interference during test flushing\n  Serial.flush();\n\n  test = 0;\n  mistakes = 0;\n  busy = 0;\n  fail = 0;\n};\n<\/pre><\/div>\n\n\n<\/a>\n\n\n\n
    <\/div>\n\n\n\n
    2. Strategia Medium Wire<\/span><\/mark><\/h3>\n\n\n\n
    bus.strategy.set_pin(12);<\/code> 
    strategia: SoftwareBitBang<\/p>\n\n\n\n
    1.  \u0141\u0105czymy dwie p\u0142ytki Arduino (u mnie UNO z Nano) przez pin 12 <\/p>\n\n\n\n
    device1<\/h5>\n\n\n
    \n\/\/device1\n\n#include &lt;PJON.h>\n\n\/\/ Bus id definition\nuint8_t bus_id[] = {0, 0, 0, 2};\n\n\/\/ PJON object\nPJON&lt;SoftwareBitBang> bus(bus_id, 44); \/\/ 1 Strategia Medium Wire, piny w u\u017cyciu: 1 lub 2\n\nvoid receiver_function(uint8_t *payload, uint16_t length, const PJON_Packet_Info &amp;packet_info) {\n  \/* Make use of the payload before sending something, the buffer where payload points to is\n     overwritten when a new message is dispatched *\/\n  if ((char)payload[0] == 'B') {\n    if (!bus.update()) \/\/ If all packets are delivered, send another\n      bus.reply("A", 1);\n    Serial.print("device1 - ");\n    Serial.println((char)(payload[0]));\n    digitalWrite(LED_BUILTIN, HIGH);\n    delay(200);\n    digitalWrite(LED_BUILTIN, LOW);\n    delay(200);\n    \/\/delay(2000);\n\n  }\n};\n\nvoid setup() {\n  pinMode(LED_BUILTIN, OUTPUT);\n  digitalWrite(LED_BUILTIN, LOW); \/\/ Initialize LED 13 to be off\n\n  bus.strategy.set_pin(12);\n  bus.set_receiver(receiver_function);\n  bus.begin();\n  bus.send(45, "B", 1);\n\n  Serial.begin(115200);\n};\n\nvoid loop() {\n  bus.receive(5000);\n  bus.update();\n};\n<\/pre><\/div>\n\n\n
    device2<\/h5>\n\n\n
    \n\/\/device2\n\n#include &lt;PJON.h>\n\n\/\/ Bus id definition\nuint8_t bus_id[] = {0, 0, 0, 2};\n\n\/\/ PJON object\nPJON&lt;SoftwareBitBang> bus(bus_id, 45);\n\nvoid receiver_function(uint8_t *payload, uint16_t length, const PJON_Packet_Info &amp;packet_info) {\n  \/* Make use of the payload before sending something, the buffer where payload points to is\n     overwritten when a new message is dispatched *\/\n  if ((char)payload[0] == 'A') {\n    if (!bus.update()) \/\/ If all packets are delivered, send another\n      bus.reply("B", 1);\n    Serial.print("device 2 - ");\n    Serial.println((char)(payload[0]));\n    digitalWrite(LED_BUILTIN, HIGH);\n    delay(200);\n    digitalWrite(LED_BUILTIN, LOW);\n    delay(200);\n  }\n\n};\n\nvoid setup() {\n  pinMode(LED_BUILTIN, OUTPUT);\n  digitalWrite(LED_BUILTIN, LOW); \/\/ Initialize LED 13 to be off\n\n  bus.strategy.set_pin(12);\n  bus.set_receiver(receiver_function);\n  bus.begin();\n  bus.send(44, "B", 1);\n\n  Serial.begin(115200);\n};\n\nvoid loop() {\n  bus.receive(5000);\n  bus.update();\n};\n<\/pre><\/div>\n\n\n
    2. Po\u0142\u0105czy\u0142em te\u017c dwa ESP8266 NodeMCU zmieniaj\u0105c bus.strategy.set_pin(4);<\/code> (D2) – dzia\u0142a. Na D1 (GPIO5) te\u017c dzia\u0142a. 
    Uwaga! Po pod\u0142\u0105czeniu czasem nic si\u0119 nie dzieje. Trzeba zresetowa\u0107 device2<\/strong>. Reset device1<\/strong> nie pomaga.<\/em><\/p>\n\n\n\n
    3. Dwa ESP32<\/strong> na pinach 17 dzia\u0142aj\u0105. Gdy device2<\/strong> zmieni\u0142em bus.strategy.set_pin(18);<\/code>  te\u017c by\u0142o OK.<\/p>\n\n\n\n<\/a>\n\n\n\n
    <\/div>\n\n\n\n
    3. \u0141\u0105czenie ESP32 z ESP8266<\/span><\/mark><\/h3>\n\n\n\n
    device 1 ESP8266 PIN D1(GPIO 5)<\/strong> <-> device 2 ESP32 (D1 R32) PIN12<\/strong>
    device 1 ESP8266 PIN D1(GPIO 5)<\/strong> <-> device 2 ESP32 (D1 MINI HW-665) PIN25<\/strong>, PIN12<\/strong> (TDI), PIN04<\/strong><\/p>\n\n\n\n
    Device1_ESP8266_mix<\/h5>\n\n\n
    \n \n\/*\n * Device1_ESP8266_mix\n * Komplementarny z Device2_ESP32_mix\n *\/\n\n#include &lt;PJON.h>\n\n\/\/ Bus id definition\nuint8_t bus_id[] = {0, 0, 0, 1};\n\n\/\/ PJON object\nPJON&lt;SoftwareBitBang> bus(bus_id, 100); \/\/ 1 Strategia Medium Wire, piny w u\u017cyciu: 1 lub 2\n\nvoid receiver_function(uint8_t *payload, uint16_t length, const PJON_Packet_Info &amp;packet_info) {\n  \/* Make use of the payload before sending something, the buffer where payload points to is\n     overwritten when a new message is dispatched *\/\n  if ((char)payload[0] == 'B') {\n    if (!bus.update()) \/\/ If all packets are delivered, send another\n      bus.reply("Aida", 4);\n    Serial.print("device1 - ");\n    Serial.println((char)(payload[0]));\n    digitalWrite(LED_BUILTIN, LOW);\n    delay(1200);\n    digitalWrite(LED_BUILTIN, HIGH);\n    delay(200);\n    \/\/delay(2000);\n\n  }\n};\n\nvoid setup() {\n  pinMode(LED_BUILTIN, OUTPUT);\n  digitalWrite(LED_BUILTIN, HIGH); \/\/ Initialize LED 13 to be off\n\n  bus.strategy.set_pin(15); \/\/ ESP8266 pin D8\n  bus.set_receiver(receiver_function);\n  bus.begin();\n  bus.send(101, "Biba", 4);\n\n  Serial.begin(115200);\n};\n\nvoid loop() {\n  bus.receive(5000);\n  bus.update();\n};\n<\/pre><\/div>\n\n\n
    Device2_ESP32_mix<\/h5>\n\n\n
    \n\/*\n * Device2_ESP32_mix\n * Komplementarny z Device1_ESP8266_mix\n *\/\n\n\n#include &lt;PJON.h>\n#define LED 2\n\n\/\/ Bus id definition\nuint8_t bus_id[] = {0, 0, 0, 1};\n\n\/\/ PJON object\nPJON&lt;SoftwareBitBang> bus(bus_id, 101);\n\nvoid receiver_function(uint8_t *payload, uint16_t length, const PJON_Packet_Info &amp;packet_info) {\n  \/* Make use of the payload before sending something, the buffer where payload points to is\n     overwritten when a new message is dispatched *\/\n  if ((char)payload[0] == 'A') {\n    if (!bus.update()) \/\/ If all packets are delivered, send another\n      bus.reply("Biba", 4);\n      \n    Serial.print("device 2 - ");\n    for(int i=0; i&lt;length; i++){\n    Serial.print((char)(payload[i]));}\n    Serial.println();\n    \n    digitalWrite(LED, HIGH);\n    delay(1200);\n    digitalWrite(LED, LOW);\n    delay(200);\n  }\n\n};\n\nvoid setup() {\n  pinMode(LED, OUTPUT);\n  digitalWrite(LED, LOW); \/\/ Initialize LED BUILT IN to be off\n\n  bus.strategy.set_pin(4); \/\/ ESP32 PIN IO4\n  bus.set_receiver(receiver_function);\n  bus.begin();\n  bus.send(100, "Biba", 4);\n\n  Serial.begin(115200);\n};\n\nvoid loop() {\n  bus.receive(5000);\n  bus.update();\n};\n<\/pre><\/div>\n\n\n
    DOKUMENTACJA<\/h5>\n\n\n\n