Test 3 2020/0690
Dependencies: Adafruit_GFX 19E042PIM_MB_PINS
main.cpp@0:380913e3e77e, 2021-12-11 (annotated)
- Committer:
- milant
- Date:
- Sat Dec 11 16:23:52 2021 +0000
- Revision:
- 0:380913e3e77e
Test 3 2020/0690
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
milant | 0:380913e3e77e | 1 | // Importing libraries |
milant | 0:380913e3e77e | 2 | #include "mb_pins.h" |
milant | 0:380913e3e77e | 3 | #include "mbed.h" |
milant | 0:380913e3e77e | 4 | #include "platform/mbed_thread.h" |
milant | 0:380913e3e77e | 5 | #include "MQTTClientMbedOs.h" |
milant | 0:380913e3e77e | 6 | #include "Adafruit_GFX.h" |
milant | 0:380913e3e77e | 7 | #include "Adafruit_GFX_Config.h" |
milant | 0:380913e3e77e | 8 | #include "Adafruit_SSD1306.h" |
milant | 0:380913e3e77e | 9 | |
milant | 0:380913e3e77e | 10 | // Macros |
milant | 0:380913e3e77e | 11 | #define WAIT_MS 10 |
milant | 0:380913e3e77e | 12 | |
milant | 0:380913e3e77e | 13 | // I2C Macros |
milant | 0:380913e3e77e | 14 | #define I2C_ADDRESS 0x3c |
milant | 0:380913e3e77e | 15 | #define I2C_ADD_MBED I2C_ADDRESS << 1 |
milant | 0:380913e3e77e | 16 | // OLED Macros |
milant | 0:380913e3e77e | 17 | #define OLED_HEIGHT_PX 64 |
milant | 0:380913e3e77e | 18 | #define OLED_WIDTH_PX 128 |
milant | 0:380913e3e77e | 19 | |
milant | 0:380913e3e77e | 20 | |
milant | 0:380913e3e77e | 21 | TCPSocket socket; |
milant | 0:380913e3e77e | 22 | MQTTClient client(&socket); |
milant | 0:380913e3e77e | 23 | MQTT::Message message; |
milant | 0:380913e3e77e | 24 | WiFiInterface *wifi; |
milant | 0:380913e3e77e | 25 | |
milant | 0:380913e3e77e | 26 | I2C i2c_obj(MB_OLED_SDA, MB_OLED_SCL); |
milant | 0:380913e3e77e | 27 | Adafruit_SSD1306_I2c myOLED(i2c_obj, PB_5, I2C_ADD_MBED, OLED_HEIGHT_PX, OLED_WIDTH_PX); |
milant | 0:380913e3e77e | 28 | |
milant | 0:380913e3e77e | 29 | char* topic = "pubpim"; |
milant | 0:380913e3e77e | 30 | char* topic_sub = "subpim"; |
milant | 0:380913e3e77e | 31 | const char* hostname = "broker.hivemq.com"; |
milant | 0:380913e3e77e | 32 | int port = 1883; |
milant | 0:380913e3e77e | 33 | |
milant | 0:380913e3e77e | 34 | void messageArrived(MQTT::MessageData& md) |
milant | 0:380913e3e77e | 35 | { |
milant | 0:380913e3e77e | 36 | MQTT::Message &message = md.message; |
milant | 0:380913e3e77e | 37 | printf("Browser message: %.*s \n", message.payloadlen, (char*)message.payload); |
milant | 0:380913e3e77e | 38 | |
milant | 0:380913e3e77e | 39 | myOLED.clearDisplay(); |
milant | 0:380913e3e77e | 40 | myOLED.setTextCursor(0, 0); |
milant | 0:380913e3e77e | 41 | myOLED.printf("%.*s \r", message.payloadlen, (char*)message.payload); |
milant | 0:380913e3e77e | 42 | myOLED.display(); |
milant | 0:380913e3e77e | 43 | } |
milant | 0:380913e3e77e | 44 | |
milant | 0:380913e3e77e | 45 | int main() |
milant | 0:380913e3e77e | 46 | { |
milant | 0:380913e3e77e | 47 | wifi = WiFiInterface::get_default_instance(); |
milant | 0:380913e3e77e | 48 | |
milant | 0:380913e3e77e | 49 | printf("Connecting to %s... \n",MBED_CONF_APP_WIFI_SSID); |
milant | 0:380913e3e77e | 50 | int ret = wifi->connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2); |
milant | 0:380913e3e77e | 51 | if(ret != 0){ |
milant | 0:380913e3e77e | 52 | printf("Greska u povezivanju"); |
milant | 0:380913e3e77e | 53 | return -1; |
milant | 0:380913e3e77e | 54 | } |
milant | 0:380913e3e77e | 55 | printf("Success!\n"); |
milant | 0:380913e3e77e | 56 | |
milant | 0:380913e3e77e | 57 | socket.open(wifi); |
milant | 0:380913e3e77e | 58 | socket.connect(hostname,port); |
milant | 0:380913e3e77e | 59 | |
milant | 0:380913e3e77e | 60 | MQTTPacket_connectData data = MQTTPacket_connectData_initializer; |
milant | 0:380913e3e77e | 61 | data.MQTTVersion = 3; |
milant | 0:380913e3e77e | 62 | data.clientID.cstring = "pim"; |
milant | 0:380913e3e77e | 63 | |
milant | 0:380913e3e77e | 64 | client.connect(data); |
milant | 0:380913e3e77e | 65 | client.subscribe(topic_sub, MQTT::QOS0, messageArrived); |
milant | 0:380913e3e77e | 66 | |
milant | 0:380913e3e77e | 67 | myOLED.begin(); |
milant | 0:380913e3e77e | 68 | i2c_obj.frequency(400000); |
milant | 0:380913e3e77e | 69 | |
milant | 0:380913e3e77e | 70 | myOLED.clearDisplay(); |
milant | 0:380913e3e77e | 71 | myOLED.display(); |
milant | 0:380913e3e77e | 72 | |
milant | 0:380913e3e77e | 73 | |
milant | 0:380913e3e77e | 74 | while(1) { |
milant | 0:380913e3e77e | 75 | thread_sleep_for(WAIT_MS); |
milant | 0:380913e3e77e | 76 | client.yield(1000); |
milant | 0:380913e3e77e | 77 | } |
milant | 0:380913e3e77e | 78 | } |