Diff: main.cpp

Revision:

107:6057ba53c368

Parent:

105:ed03c03b353e

diff -r d323dd088ba2 -r 6057ba53c368 main.cpp
--- a/main.cpp	Fri Nov 22 16:00:04 2019 +0000
+++ b/main.cpp	Tue Nov 23 23:26:04 2021 +0000
@@ -1,23 +1,47 @@
-/* mbed Microcontroller Library
- * Copyright (c) 2019 ARM Limited
- * SPDX-License-Identifier: Apache-2.0
- */
+#include "mbed.h"
+#include "Sht31.h"
 
-#include "mbed.h"
-#include "platform/mbed_thread.h"
+DigitalOut led1(LED1);
+
+//sda, scl
+Sht31   temp_sensor(I2C_SDA, I2C_SCL);
 
 
-// Blinking rate in milliseconds
-#define BLINKING_RATE_MS                                                    500
+Thread thread, thread1;
+
+bool alarm = false;
+int extreme_humidity = 40;
+
+void blink()
+{
+    while (true)
+    {
+        led1 = !led1;
+        wait_ms (alarm ? 100 : 1000);
+    }
+}
 
+void sensor_thread()
+{
+    float h;
+    while (true) {
+        h = temp_sensor.readHumidity();
+        printf(" %f\n\r", h);
+        wait_ms (1000); 
+        if (h >= extreme_humidity) 
+        {
+            printf("ALARM ALARM ALARM \n\r");
+            alarm = true;
+        }
+        else
+        {
+            alarm = false;
+        }          
+    }       
+}
 
 int main()
 {
-    // Initialise the digital pin LED1 as an output
-    DigitalOut led(LED1);
-
-    while (true) {
-        led = !led;
-        thread_sleep_for(BLINKING_RATE_MS);
-    }
+    thread.start(sensor_thread);
+    thread1.start(blink);  
 }