Emilija Stankovic / Mbed OS PMK_industrija_mikro2

PMKIND

Dependencies:   Servo TextLCD

main.cpp@0:51001d8fdeff, 2021-06-24 (annotated)

Committer:
emilija
Date:
Thu Jun 24 15:11:30 2021 +0000
Revision:
0:51001d8fdeff
Child:
1:d3bb978c1ff7
pmkINDUSTRIJA1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilija 0:51001d8fdeff 1 /* mbed Microcontroller Library
emilija 0:51001d8fdeff 2 * Copyright (c) 2019 ARM Limited
emilija 0:51001d8fdeff 3 * SPDX-License-Identifier: Apache-2.0
emilija 0:51001d8fdeff 4 */
emilija 0:51001d8fdeff 5
emilija 0:51001d8fdeff 6 #include "mbed.h"
emilija 0:51001d8fdeff 7 #include "platform/mbed_thread.h"
emilija 0:51001d8fdeff 8 #include "Servo.h"
emilija 0:51001d8fdeff 9 #include "color.h"
emilija 0:51001d8fdeff 10 #include <string>
emilija 0:51001d8fdeff 11 #include <MQTTClientMbedOs.h>
emilija 0:51001d8fdeff 12
emilija 0:51001d8fdeff 13 // Blinking rate in milliseconds
emilija 0:51001d8fdeff 14 #define BLINKING_RATE_MS 500
emilija 0:51001d8fdeff 15
emilija 0:51001d8fdeff 16 Servo servo0(D3);
emilija 0:51001d8fdeff 17 Servo servo1(D4);
emilija 0:51001d8fdeff 18 InterruptIn button(USER_BUTTON);
emilija 0:51001d8fdeff 19 int arrivedcount = 0;
emilija 0:51001d8fdeff 20 TCPSocket socket;
emilija 0:51001d8fdeff 21 MQTTClient client(&socket);
emilija 0:51001d8fdeff 22 MQTT::Message message;
emilija 0:51001d8fdeff 23 int button_pressed=0;
emilija 0:51001d8fdeff 24 char* topic_pub = "PMK-client-temperature";
emilija 0:51001d8fdeff 25 char* topic_sub = "PMK_industrija/micro2/#";
emilija 0:51001d8fdeff 26
emilija 0:51001d8fdeff 27 WiFiInterface *wifi;
emilija 0:51001d8fdeff 28 volatile int mems_event = 0;
emilija 0:51001d8fdeff 29 uint32_t previous_tick = 0;
emilija 0:51001d8fdeff 30 uint32_t current_tick = 0;
emilija 0:51001d8fdeff 31 uint8_t high = 0, low = 0;
emilija 0:51001d8fdeff 32 float temperature = 0.0f;
emilija 0:51001d8fdeff 33 char buffer[32];
emilija 0:51001d8fdeff 34 static char *print_double(char *str, double v, int decimalDigits = 2)
emilija 0:51001d8fdeff 35 {
emilija 0:51001d8fdeff 36 int i = 1;
emilija 0:51001d8fdeff 37 int intPart, fractPart;
emilija 0:51001d8fdeff 38 int len;
emilija 0:51001d8fdeff 39 char *ptr;
emilija 0:51001d8fdeff 40
emilija 0:51001d8fdeff 41 /* prepare decimal digits multiplicator */
emilija 0:51001d8fdeff 42 for (; decimalDigits != 0; i *= 10, decimalDigits--);
emilija 0:51001d8fdeff 43
emilija 0:51001d8fdeff 44 /* calculate integer & fractinal parts */
emilija 0:51001d8fdeff 45 intPart = (int)v;
emilija 0:51001d8fdeff 46 fractPart = (int)((v - (double)(int)v) * i);
emilija 0:51001d8fdeff 47
emilija 0:51001d8fdeff 48 /* fill in integer part */
emilija 0:51001d8fdeff 49 sprintf(str, "%i.", intPart);
emilija 0:51001d8fdeff 50
emilija 0:51001d8fdeff 51 /* prepare fill in of fractional part */
emilija 0:51001d8fdeff 52 len = strlen(str);
emilija 0:51001d8fdeff 53 ptr = &str[len];
emilija 0:51001d8fdeff 54
emilija 0:51001d8fdeff 55 /* fill in leading fractional zeros */
emilija 0:51001d8fdeff 56 for (i /= 10; i > 1; i /= 10, ptr++) {
emilija 0:51001d8fdeff 57 if (fractPart >= i) {
emilija 0:51001d8fdeff 58 break;
emilija 0:51001d8fdeff 59 }
emilija 0:51001d8fdeff 60 *ptr = '0';
emilija 0:51001d8fdeff 61 }
emilija 0:51001d8fdeff 62
emilija 0:51001d8fdeff 63 /* fill in (rest of) fractional part */
emilija 0:51001d8fdeff 64 sprintf(ptr, "%i", fractPart);
emilija 0:51001d8fdeff 65
emilija 0:51001d8fdeff 66 return str;
emilija 0:51001d8fdeff 67 }
emilija 0:51001d8fdeff 68
emilija 0:51001d8fdeff 69 const char *sec2str(nsapi_security_t sec)
emilija 0:51001d8fdeff 70 {
emilija 0:51001d8fdeff 71 switch (sec) {
emilija 0:51001d8fdeff 72 case NSAPI_SECURITY_NONE:
emilija 0:51001d8fdeff 73 return "None";
emilija 0:51001d8fdeff 74 case NSAPI_SECURITY_WEP:
emilija 0:51001d8fdeff 75 return "WEP";
emilija 0:51001d8fdeff 76 case NSAPI_SECURITY_WPA:
emilija 0:51001d8fdeff 77 return "WPA";
emilija 0:51001d8fdeff 78 case NSAPI_SECURITY_WPA2:
emilija 0:51001d8fdeff 79 return "WPA2";
emilija 0:51001d8fdeff 80 case NSAPI_SECURITY_WPA_WPA2:
emilija 0:51001d8fdeff 81 return "WPA/WPA2";
emilija 0:51001d8fdeff 82 case NSAPI_SECURITY_UNKNOWN:
emilija 0:51001d8fdeff 83 default:
emilija 0:51001d8fdeff 84 return "Unknown";
emilija 0:51001d8fdeff 85 }
emilija 0:51001d8fdeff 86 }
emilija 0:51001d8fdeff 87
emilija 0:51001d8fdeff 88 int scan_demo(WiFiInterface *wifi)
emilija 0:51001d8fdeff 89 {
emilija 0:51001d8fdeff 90 WiFiAccessPoint *ap;
emilija 0:51001d8fdeff 91 printf("Scan:\n");
emilija 0:51001d8fdeff 92 int count = wifi->scan(NULL,0);
emilija 0:51001d8fdeff 93 if (count <= 0) {
emilija 0:51001d8fdeff 94 printf("scan() failed with return value: %d\n", count);
emilija 0:51001d8fdeff 95 return 0;
emilija 0:51001d8fdeff 96 }
emilija 0:51001d8fdeff 97 /* Limit number of network arbitrary to 15 */
emilija 0:51001d8fdeff 98 count = count < 15 ? count : 15;
emilija 0:51001d8fdeff 99 ap = new WiFiAccessPoint[count];
emilija 0:51001d8fdeff 100 count = wifi->scan(ap, count);
emilija 0:51001d8fdeff 101 if (count <= 0) {
emilija 0:51001d8fdeff 102 printf("scan() failed with return value: %d\n", count);
emilija 0:51001d8fdeff 103 return 0;
emilija 0:51001d8fdeff 104 }
emilija 0:51001d8fdeff 105 for (int i = 0; i < count; i++) {
emilija 0:51001d8fdeff 106 printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\n", ap[i].get_ssid(),
emilija 0:51001d8fdeff 107 sec2str(ap[i].get_security()), ap[i].get_bssid()[0], ap[i].get_bssid()[1], ap[i].get_bssid()[2],
emilija 0:51001d8fdeff 108 ap[i].get_bssid()[3], ap[i].get_bssid()[4], ap[i].get_bssid()[5], ap[i].get_rssi(), ap[i].get_channel());
emilija 0:51001d8fdeff 109 }
emilija 0:51001d8fdeff 110 printf("%d networks available.\n", count);
emilija 0:51001d8fdeff 111 delete[] ap;
emilija 0:51001d8fdeff 112 return count;
emilija 0:51001d8fdeff 113 }
emilija 0:51001d8fdeff 114
emilija 0:51001d8fdeff 115 void messageArrived(MQTT::MessageData& md)
emilija 0:51001d8fdeff 116 {
emilija 0:51001d8fdeff 117 MQTTString &topic = md.topicName;
emilija 0:51001d8fdeff 118 string topic_name = topic.lenstring.data;
emilija 0:51001d8fdeff 119 printf("Topic name %d : %s\r\n",topic.lenstring.len,topic_name.c_str() );
emilija 0:51001d8fdeff 120 MQTT::Message &message = md.message;
emilija 0:51001d8fdeff 121 printf("Message arrived: qos %d, retained %d, dup %d, packetid %d\r\n", message.qos, message.retained, message.dup, message.id);
emilija 0:51001d8fdeff 122 printf("Payload %.*s\r\n", message.payloadlen, (char*)message.payload);
emilija 0:51001d8fdeff 123 char* poruka = (char*)message.payload;
emilija 0:51001d8fdeff 124 if(topic_name.find("servo0")!=std::string::npos) {
emilija 0:51001d8fdeff 125 printf("blblabla\n");
emilija 0:51001d8fdeff 126 for(float p=0; p<1.0; p += 0.1) {
emilija 0:51001d8fdeff 127 servo0 = p;
emilija 0:51001d8fdeff 128
emilija 0:51001d8fdeff 129 }
emilija 0:51001d8fdeff 130 wait(2);
emilija 0:51001d8fdeff 131 for(float p=1.0; p>0.0; p -= 0.1) {
emilija 0:51001d8fdeff 132 servo0 = p;
emilija 0:51001d8fdeff 133
emilija 0:51001d8fdeff 134 }
emilija 0:51001d8fdeff 135 }
emilija 0:51001d8fdeff 136 ++arrivedcount;
emilija 0:51001d8fdeff 137 }
emilija 0:51001d8fdeff 138
emilija 0:51001d8fdeff 139
emilija 0:51001d8fdeff 140 void buttonFunction() {
emilija 0:51001d8fdeff 141 button_pressed=1;
emilija 0:51001d8fdeff 142 }
emilija 0:51001d8fdeff 143
emilija 0:51001d8fdeff 144 int main()
emilija 0:51001d8fdeff 145 {
emilija 0:51001d8fdeff 146 // Initialise the digital pin LED1 as an output
emilija 0:51001d8fdeff 147
emilija 0:51001d8fdeff 148 ColorSensor cs(PA_5,PA_6,PA_7,PB_6,PC_7);
emilija 0:51001d8fdeff 149 DigitalOut led(LED1);
emilija 0:51001d8fdeff 150 servo0.calibrate(0.0005,90);
emilija 0:51001d8fdeff 151 button.rise(&buttonFunction);
emilija 0:51001d8fdeff 152 const char* hostname = "broker.mqttdashboard.com";
emilija 0:51001d8fdeff 153 int port = 1883;
emilija 0:51001d8fdeff 154
emilija 0:51001d8fdeff 155 wifi = WiFiInterface::get_default_instance();
emilija 0:51001d8fdeff 156 if (!wifi) {
emilija 0:51001d8fdeff 157 printf("ERROR: No WiFiInterface found.\n");
emilija 0:51001d8fdeff 158 return -1;
emilija 0:51001d8fdeff 159 }
emilija 0:51001d8fdeff 160
emilija 0:51001d8fdeff 161 int count = scan_demo(wifi);
emilija 0:51001d8fdeff 162 if (count == 0) {
emilija 0:51001d8fdeff 163 printf("No WIFI APs found - can't continue further.\n");
emilija 0:51001d8fdeff 164 return -1;
emilija 0:51001d8fdeff 165 }
emilija 0:51001d8fdeff 166
emilija 0:51001d8fdeff 167 printf("\nConnecting to %s...\n", MBED_CONF_APP_WIFI_SSID);
emilija 0:51001d8fdeff 168 int ret = wifi->connect(MBED_CONF_APP_WIFI_SSID, MBED_CONF_APP_WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2);
emilija 0:51001d8fdeff 169 if (ret != 0) {
emilija 0:51001d8fdeff 170 printf("\nConnection error: %d\n", ret);
emilija 0:51001d8fdeff 171 return -1;
emilija 0:51001d8fdeff 172 }
emilija 0:51001d8fdeff 173
emilija 0:51001d8fdeff 174 printf("Success\n\n");
emilija 0:51001d8fdeff 175 printf("MAC: %s\n", wifi->get_mac_address());
emilija 0:51001d8fdeff 176 printf("IP: %s\n", wifi->get_ip_address());
emilija 0:51001d8fdeff 177 printf("Netmask: %s\n", wifi->get_netmask());
emilija 0:51001d8fdeff 178 printf("Gateway: %s\n", wifi->get_gateway());
emilija 0:51001d8fdeff 179 printf("RSSI: %d\n\n", wifi->get_rssi());
emilija 0:51001d8fdeff 180
emilija 0:51001d8fdeff 181 socket.open(wifi);
emilija 0:51001d8fdeff 182 socket.connect(hostname, port);
emilija 0:51001d8fdeff 183
emilija 0:51001d8fdeff 184 int rc=0;
emilija 0:51001d8fdeff 185
emilija 0:51001d8fdeff 186 MQTTPacket_connectData data = MQTTPacket_connectData_initializer;
emilija 0:51001d8fdeff 187 data.MQTTVersion = 3;
emilija 0:51001d8fdeff 188 data.clientID.cstring = "PMK-client2";
emilija 0:51001d8fdeff 189 //data.username.cstring = "testuser";
emilija 0:51001d8fdeff 190 //data.password.cstring = "testpassword";
emilija 0:51001d8fdeff 191
emilija 0:51001d8fdeff 192 if ((rc = client.connect(data)) != 0)
emilija 0:51001d8fdeff 193 printf("rc from MQTT connect is %d\r\n", rc);
emilija 0:51001d8fdeff 194
emilija 0:51001d8fdeff 195
emilija 0:51001d8fdeff 196 if ((rc = client.subscribe(topic_sub, MQTT::QOS2, messageArrived)) != 0)
emilija 0:51001d8fdeff 197 printf("rc from MQTT subscribe is %d\r\n", rc);
emilija 0:51001d8fdeff 198
emilija 0:51001d8fdeff 199
emilija 0:51001d8fdeff 200
emilija 0:51001d8fdeff 201 while (true) {
emilija 0:51001d8fdeff 202 led = !led;
emilija 0:51001d8fdeff 203 thread_sleep_for(BLINKING_RATE_MS);
emilija 0:51001d8fdeff 204 if (button_pressed==1) {
emilija 0:51001d8fdeff 205 button_pressed=0;
emilija 0:51001d8fdeff 206 printf("Publishing data\r\n");
emilija 0:51001d8fdeff 207 // QoS 0
emilija 0:51001d8fdeff 208 char buf[100];
emilija 0:51001d8fdeff 209 printf("r: %d", cs.getRed());
emilija 0:51001d8fdeff 210
emilija 0:51001d8fdeff 211 printf("g: %d", cs.getGreen());
emilija 0:51001d8fdeff 212 printf("b: %d", cs.getBlue());
emilija 0:51001d8fdeff 213 //sprintf(buf, "RGB: %7s C\r\n", print_double(buffer, cs.getRed()*100000000+cs.getGreen()*10000+cs.getBlue()));
emilija 0:51001d8fdeff 214
emilija 0:51001d8fdeff 215 //message.qos = MQTT::QOS0;
emilija 0:51001d8fdeff 216 //message.retained = false;
emilija 0:51001d8fdeff 217 //message.dup = false;
emilija 0:51001d8fdeff 218 //message.payload = (void*)buf;
emilija 0:51001d8fdeff 219 //message.payloadlen = strlen(buf)+1;
emilija 0:51001d8fdeff 220 //client.publish(topic_pub, message);
emilija 0:51001d8fdeff 221
emilija 0:51001d8fdeff 222 }
emilija 0:51001d8fdeff 223 printf("Yielding");
emilija 0:51001d8fdeff 224 client.yield(1000);
emilija 0:51001d8fdeff 225 printf(" -> Yielded\r\n");
emilija 0:51001d8fdeff 226 }
emilija 0:51001d8fdeff 227 }