Diff: 2_connected_app/main_working.h

Revision:

0:6b7ffde9f287

Child:

2:b13c81c349ec

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/2_connected_app/main_working.h	Thu Sep 28 13:35:07 2017 -0500
@@ -0,0 +1,101 @@
+//----------------------------------------------------------------------------
+// The confidential and proprietary information contained in this file may
+// only be used by a person authorised under and to the extent permitted
+// by a subsisting licensing agreement from ARM Limited or its affiliates.
+//
+// (C) COPYRIGHT 2016 ARM Limited or its affiliates.
+// ALL RIGHTS RESERVED
+//
+// This entire notice must be reproduced on all copies of this file
+// and copies of this file may only be made by a person if such person is
+// permitted to do so under the terms of a subsisting license agreement
+// from ARM Limited or its affiliates.
+//----------------------------------------------------------------------------
+#include "simplem2mclient.h"
+#include "mbed.h"
+#include "application_init.h"
+#include "C12832.h"
+
+C12832 lcd(D11, D13, D6, D7, D10);
+AnalogIn pot1(A0);
+EventQueue queue;
+DigitalOut led(D9, 1);
+
+// DECLARE RESOURCES HERE
+static M2MResource* potentiometer_res; // Resource for potentiometer value
+static M2MResource* message_res; // Resource to hold a string message
+static M2MResource* display_res; // Resource for displaying message on LCD screen
+static M2MResource* led_res; // Resource to blink LED
+
+void lcd_print(const char* message) {
+    lcd.cls();
+    lcd.locate(0,3);
+    lcd.printf(message);
+}
+
+void blink_led() {
+    led = !led;
+}
+
+void set_blink_led(int *) {
+    static int blink_id = NULL;
+    // GET VALUE OF LED RESOURCE
+    int blink = led_res->get_value_int();
+    if (blink == 1 && blink_id == NULL) {
+        blink_id = queue.call_every(500, blink_led);
+    }
+    else if (blink == 0) {
+        queue.cancel(blink_id);
+        blink_id = NULL;
+        led = 1;
+    }
+}
+
+// MESSAGE RESOURCE PUT HANDLER
+void message_updated_callback(const char *)
+{
+    printf("PUT received for message resource, new value: %s\n", message_res->get_value_string().c_str());
+}
+
+// DISPLAY RESOURCE POST HANDLER
+void display_message_callback(void *) {
+    // Get the value of the message resource
+    String pattern_string = message_res->get_value_string();
+    // Display it on the LCD screen
+    lcd_print(pattern_string.c_str());
+}
+
+void read_potentiometer() {
+    static float potentiometer_val = 0;
+    if ((float)pot1 != potentiometer_val) {
+        potentiometer_val = (float)pot1;
+        char val[13];
+        sprintf(val, "%.2f", potentiometer_val);
+        // UPDATE RESOURCE VALUE
+        potentiometer_res->set_value((uint8_t*)val, strlen(val));
+    }
+ }
+
+int main()
+{
+    // SimpleClient is used for registering and unregistering resources to a server.
+    SimpleM2MClient mbedClient;
+
+    if (!mbedClient.init()) {
+        printf("Initialization failed, exiting application!\n");
+        return 1;
+    }
+
+    // ADD RESOURCES HERE
+    potentiometer_res = mbedClient.add_cloud_resource(3200, 0, 5501, "potentiometer_resource", M2MResourceInstance::FLOAT, M2MBase::GET_ALLOWED, 0, true, NULL);
+    message_res = mbedClient.add_cloud_resource(3201, 0, 5853, "message_resource", M2MResourceInstance::STRING, M2MBase::GET_PUT_ALLOWED, "Hello world!", false, (void*)message_updated_callback);
+    display_res = mbedClient.add_cloud_resource(3201, 0, 5850, "display_resource", M2MResourceInstance::STRING,M2MBase::POST_ALLOWED, "", false, (void*)display_message_callback);
+    led_res = mbedClient.add_cloud_resource(3202, 0, 5853, "led_resource", M2MResourceInstance::INTEGER,M2MBase::GET_PUT_ALLOWED, 0, false, (void*)set_blink_led);
+
+    mbedClient.start_client();
+    queue.call_every(100, read_potentiometer);
+    while(mbedClient.is_register_called()){
+        wait_ms(100);
+        queue.dispatch(0);
+    }
+}