Revision 4:c737f3d85a19, committed 2021-04-27

Comitter:

nenad

Date:

Tue Apr 27 17:32:05 2021 +0000

Parent:

3:43527b1910c7

Commit message:

mqtt esp8266 test

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/X_NUCLEO_IKS01A3.lib	Tue Apr 27 17:32:05 2021 +0000
@@ -0,0 +1,1 @@
+https://os.mbed.com/teams/ST/code/X_NUCLEO_IKS01A3/#aea924ef2645

--- a/main.cpp	Mon Apr 26 21:46:12 2021 +0000
+++ b/main.cpp	Tue Apr 27 17:32:05 2021 +0000
@@ -1,33 +1,75 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2019 ARM Limited
- * SPDX-License-Identifier: Apache-2.0
- */
 
 #include "mbed.h"
-//#include "EthernetInterface.h"
 #include "platform/mbed_thread.h"
 #include <MQTTClientMbedOs.h>
+#include "XNucleoIKS01A3.h"
+
 // Blinking rate in milliseconds
 #define BLINKING_RATE_MS                                                    500
 // Initialise the digital pin LED1 as an output
-    DigitalOut led(LED1);
+DigitalOut led(LED1);
 
+/* Instantiate the expansion board */
+static XNucleoIKS01A3 *mems_expansion_board = XNucleoIKS01A3::instance(D14, D15, D4, D5, A3, D6, A4);
+ 
+/* Retrieve the composing elements of the expansion board */
+static STTS751Sensor *t_sensor = mems_expansion_board->t_sensor;
+ 
+ 
+volatile int mems_event = 0;
+uint32_t previous_tick = 0;
+uint32_t current_tick = 0;
+uint8_t high = 0, low = 0;
+float temperature = 0.0f;
+char buffer[32];
+ 
+void INT_cb();
+ 
+/* Helper function for printing floats & doubles */
+static char *print_double(char *str, double v, int decimalDigits = 2)
+{
+    int i = 1;
+    int intPart, fractPart;
+    int len;
+    char *ptr;
+ 
+    /* prepare decimal digits multiplicator */
+    for (; decimalDigits != 0; i *= 10, decimalDigits--);
+ 
+    /* calculate integer & fractinal parts */
+    intPart = (int)v;
+    fractPart = (int)((v - (double)(int)v) * i);
+ 
+    /* fill in integer part */
+    sprintf(str, "%i.", intPart);
+ 
+    /* prepare fill in of fractional part */
+    len = strlen(str);
+    ptr = &str[len];
+ 
+    /* fill in leading fractional zeros */
+    for (i /= 10; i > 1; i /= 10, ptr++) {
+        if (fractPart >= i) {
+            break;
+        }
+        *ptr = '0';
+    }
+ 
+    /* fill in (rest of) fractional part */
+    sprintf(ptr, "%i", fractPart);
+ 
+    return str;
+}
 
 InterruptIn button(USER_BUTTON);
-
 int arrivedcount = 0;
 TCPSocket socket;
 MQTTClient client(&socket);
 MQTT::Message message;
-
 int button_pressed=0;
 
-float version = 0.6;
-    char* topic = "mbed-sample-pub";
-    char* topic_sub = "mbed-sample-sub";
-
-
-
+char* topic_pub = "PMK-client-temperature";
+char* topic_sub = "PMK-client-topic_sub";
 
 WiFiInterface *wifi;
 
@@ -53,34 +95,26 @@
 int scan_demo(WiFiInterface *wifi)
 {
     WiFiAccessPoint *ap;
-
     printf("Scan:\n");
-
     int count = wifi->scan(NULL,0);
-
     if (count <= 0) {
         printf("scan() failed with return value: %d\n", count);
         return 0;
     }
-
     /* Limit number of network arbitrary to 15 */
     count = count < 15 ? count : 15;
-
     ap = new WiFiAccessPoint[count];
     count = wifi->scan(ap, count);
-
     if (count <= 0) {
         printf("scan() failed with return value: %d\n", count);
         return 0;
     }
-
     for (int i = 0; i < count; i++) {
         printf("Network: %s secured: %s BSSID: %hhX:%hhX:%hhX:%hhx:%hhx:%hhx RSSI: %hhd Ch: %hhd\n", ap[i].get_ssid(),
                sec2str(ap[i].get_security()), ap[i].get_bssid()[0], ap[i].get_bssid()[1], ap[i].get_bssid()[2],
                ap[i].get_bssid()[3], ap[i].get_bssid()[4], ap[i].get_bssid()[5], ap[i].get_rssi(), ap[i].get_channel());
     }
     printf("%d networks available.\n", count);
-
     delete[] ap;
     return count;
 }
@@ -93,10 +127,8 @@
     ++arrivedcount;
 }
 
-void buttonFunction() {
-    
-    button_pressed=1;
-   
+void buttonFunction() {    
+    button_pressed=1;   
 }
 
 
@@ -104,12 +136,25 @@
 
 int main()
 {
+    /* Attach callback to STTS751 INT */
+    t_sensor->attach_int_irq(&INT_cb); 
+    /* Enable STTS751 temperature sensor */
+    t_sensor->enable();
+    /* Set ODR to 4Hz */
+    t_sensor->set_odr(4.0f);
+    /* Set Low Temperature Threshold */
+    t_sensor->set_low_temp_thr(22.0f);
+    /* Set High Temperature Threshold */
+    t_sensor->set_high_temp_thr(28.0f);
+    /* Enable Event pin */
+    t_sensor->set_event_pin(1);
+    /* Get beginning status */
+    t_sensor->get_temp_limit_status(NULL, NULL, NULL);
+ 
     button.rise(&buttonFunction);  // attach the address of the flip function to the rising edge
     
     const char* hostname = "broker.mqttdashboard.com";
     int port = 1883;    
-    // Network interface
-    //EthernetInterface net;
     
     wifi = WiFiInterface::get_default_instance();
     if (!wifi) {
@@ -135,12 +180,8 @@
     printf("IP: %s\n", wifi->get_ip_address());
     printf("Netmask: %s\n", wifi->get_netmask());
     printf("Gateway: %s\n", wifi->get_gateway());
-    printf("RSSI: %d\n\n", wifi->get_rssi());   
-     
-    
-            
-    
-    //client = MQTTClient::(&socket);
+    printf("RSSI: %d\n\n", wifi->get_rssi());
+
     socket.open(wifi);
     socket.connect(hostname, port);
     
@@ -148,7 +189,7 @@
     
     MQTTPacket_connectData data = MQTTPacket_connectData_initializer;
     data.MQTTVersion = 3;
-    data.clientID.cstring = "mbed-sample";
+    data.clientID.cstring = "PMK-client";
     //data.username.cstring = "testuser";
     //data.password.cstring = "testpassword";
     if ((rc = client.connect(data)) != 0)
@@ -157,34 +198,32 @@
     if ((rc = client.subscribe(topic_sub, MQTT::QOS2, messageArrived)) != 0)
         printf("rc from MQTT subscribe is %d\r\n", rc);
 
-    
-      
-    
-    
-    
-
     while (true) {
+        t_sensor->get_temperature(&temperature);
+        printf("Temp[C]: %7s C\r\n", print_double(buffer, temperature));
         led = !led;
         thread_sleep_for(BLINKING_RATE_MS);
         if (button_pressed==1) {
             button_pressed=0;    
-            printf("sace publish\r\n");    
+            printf("Publishing data\r\n");    
             // QoS 0
             char buf[100];
-            sprintf(buf, "Hello World!  QoS 0 message from app version %f\r\n", version);
+            sprintf(buf, "Temp[C]: %7s C\r\n", print_double(buffer, temperature));
             message.qos = MQTT::QOS0;
             message.retained = false;
             message.dup = false;
             message.payload = (void*)buf;
             message.payloadlen = strlen(buf)+1;
-            client.publish(topic, message);
-            //pc.printf("sace jild\r\n"); 
-            //client.yield(1000);
-            //pc.printf("izjildovo\r\n"); 
+            client.publish(topic_pub, message);
         }
-        printf("sace jild\r\n"); 
+        printf("Yielding"); 
         client.yield(1000);
-        printf("izjildovo\r\n"); 
+        printf(" -> Yielded\r\n"); 
         
     }
 }
+
+void INT_cb()
+{
+    mems_event = 1;
+}
\ No newline at end of file