Seoul IoT Hackathon Admins / Mbed OS seoul-iot-hackathon-demo

Hackathon Repo

Dependencies:   C12832

2_connected_app/main_working.h@0:6b7ffde9f287, 2017-09-28 (annotated)

Committer:
sarahmarshy
Date:
Thu Sep 28 13:35:07 2017 -0500
Revision:
0:6b7ffde9f287
Child:
2:b13c81c349ec
First commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sarahmarshy 0:6b7ffde9f287 1 //----------------------------------------------------------------------------
sarahmarshy 0:6b7ffde9f287 2 // The confidential and proprietary information contained in this file may
sarahmarshy 0:6b7ffde9f287 3 // only be used by a person authorised under and to the extent permitted
sarahmarshy 0:6b7ffde9f287 4 // by a subsisting licensing agreement from ARM Limited or its affiliates.
sarahmarshy 0:6b7ffde9f287 5 //
sarahmarshy 0:6b7ffde9f287 6 // (C) COPYRIGHT 2016 ARM Limited or its affiliates.
sarahmarshy 0:6b7ffde9f287 7 // ALL RIGHTS RESERVED
sarahmarshy 0:6b7ffde9f287 8 //
sarahmarshy 0:6b7ffde9f287 9 // This entire notice must be reproduced on all copies of this file
sarahmarshy 0:6b7ffde9f287 10 // and copies of this file may only be made by a person if such person is
sarahmarshy 0:6b7ffde9f287 11 // permitted to do so under the terms of a subsisting license agreement
sarahmarshy 0:6b7ffde9f287 12 // from ARM Limited or its affiliates.
sarahmarshy 0:6b7ffde9f287 13 //----------------------------------------------------------------------------
sarahmarshy 0:6b7ffde9f287 14 #include "simplem2mclient.h"
sarahmarshy 0:6b7ffde9f287 15 #include "mbed.h"
sarahmarshy 0:6b7ffde9f287 16 #include "application_init.h"
sarahmarshy 0:6b7ffde9f287 17 #include "C12832.h"
sarahmarshy 0:6b7ffde9f287 18
sarahmarshy 0:6b7ffde9f287 19 C12832 lcd(D11, D13, D6, D7, D10);
sarahmarshy 0:6b7ffde9f287 20 AnalogIn pot1(A0);
sarahmarshy 0:6b7ffde9f287 21 EventQueue queue;
sarahmarshy 0:6b7ffde9f287 22 DigitalOut led(D9, 1);
sarahmarshy 0:6b7ffde9f287 23
sarahmarshy 0:6b7ffde9f287 24 // DECLARE RESOURCES HERE
sarahmarshy 0:6b7ffde9f287 25 static M2MResource* potentiometer_res; // Resource for potentiometer value
sarahmarshy 0:6b7ffde9f287 26 static M2MResource* message_res; // Resource to hold a string message
sarahmarshy 0:6b7ffde9f287 27 static M2MResource* display_res; // Resource for displaying message on LCD screen
sarahmarshy 0:6b7ffde9f287 28 static M2MResource* led_res; // Resource to blink LED
sarahmarshy 0:6b7ffde9f287 29
sarahmarshy 0:6b7ffde9f287 30 void lcd_print(const char* message) {
sarahmarshy 0:6b7ffde9f287 31 lcd.cls();
sarahmarshy 0:6b7ffde9f287 32 lcd.locate(0,3);
sarahmarshy 0:6b7ffde9f287 33 lcd.printf(message);
sarahmarshy 0:6b7ffde9f287 34 }
sarahmarshy 0:6b7ffde9f287 35
sarahmarshy 0:6b7ffde9f287 36 void blink_led() {
sarahmarshy 0:6b7ffde9f287 37 led = !led;
sarahmarshy 0:6b7ffde9f287 38 }
sarahmarshy 0:6b7ffde9f287 39
sarahmarshy 0:6b7ffde9f287 40 void set_blink_led(int *) {
sarahmarshy 0:6b7ffde9f287 41 static int blink_id = NULL;
sarahmarshy 0:6b7ffde9f287 42 // GET VALUE OF LED RESOURCE
sarahmarshy 0:6b7ffde9f287 43 int blink = led_res->get_value_int();
sarahmarshy 0:6b7ffde9f287 44 if (blink == 1 && blink_id == NULL) {
sarahmarshy 0:6b7ffde9f287 45 blink_id = queue.call_every(500, blink_led);
sarahmarshy 0:6b7ffde9f287 46 }
sarahmarshy 0:6b7ffde9f287 47 else if (blink == 0) {
sarahmarshy 0:6b7ffde9f287 48 queue.cancel(blink_id);
sarahmarshy 0:6b7ffde9f287 49 blink_id = NULL;
sarahmarshy 0:6b7ffde9f287 50 led = 1;
sarahmarshy 0:6b7ffde9f287 51 }
sarahmarshy 0:6b7ffde9f287 52 }
sarahmarshy 0:6b7ffde9f287 53
sarahmarshy 0:6b7ffde9f287 54 // MESSAGE RESOURCE PUT HANDLER
sarahmarshy 0:6b7ffde9f287 55 void message_updated_callback(const char *)
sarahmarshy 0:6b7ffde9f287 56 {
sarahmarshy 0:6b7ffde9f287 57 printf("PUT received for message resource, new value: %s\n", message_res->get_value_string().c_str());
sarahmarshy 0:6b7ffde9f287 58 }
sarahmarshy 0:6b7ffde9f287 59
sarahmarshy 0:6b7ffde9f287 60 // DISPLAY RESOURCE POST HANDLER
sarahmarshy 0:6b7ffde9f287 61 void display_message_callback(void *) {
sarahmarshy 0:6b7ffde9f287 62 // Get the value of the message resource
sarahmarshy 0:6b7ffde9f287 63 String pattern_string = message_res->get_value_string();
sarahmarshy 0:6b7ffde9f287 64 // Display it on the LCD screen
sarahmarshy 0:6b7ffde9f287 65 lcd_print(pattern_string.c_str());
sarahmarshy 0:6b7ffde9f287 66 }
sarahmarshy 0:6b7ffde9f287 67
sarahmarshy 0:6b7ffde9f287 68 void read_potentiometer() {
sarahmarshy 0:6b7ffde9f287 69 static float potentiometer_val = 0;
sarahmarshy 0:6b7ffde9f287 70 if ((float)pot1 != potentiometer_val) {
sarahmarshy 0:6b7ffde9f287 71 potentiometer_val = (float)pot1;
sarahmarshy 0:6b7ffde9f287 72 char val[13];
sarahmarshy 0:6b7ffde9f287 73 sprintf(val, "%.2f", potentiometer_val);
sarahmarshy 0:6b7ffde9f287 74 // UPDATE RESOURCE VALUE
sarahmarshy 0:6b7ffde9f287 75 potentiometer_res->set_value((uint8_t*)val, strlen(val));
sarahmarshy 0:6b7ffde9f287 76 }
sarahmarshy 0:6b7ffde9f287 77 }
sarahmarshy 0:6b7ffde9f287 78
sarahmarshy 0:6b7ffde9f287 79 int main()
sarahmarshy 0:6b7ffde9f287 80 {
sarahmarshy 0:6b7ffde9f287 81 // SimpleClient is used for registering and unregistering resources to a server.
sarahmarshy 0:6b7ffde9f287 82 SimpleM2MClient mbedClient;
sarahmarshy 0:6b7ffde9f287 83
sarahmarshy 0:6b7ffde9f287 84 if (!mbedClient.init()) {
sarahmarshy 0:6b7ffde9f287 85 printf("Initialization failed, exiting application!\n");
sarahmarshy 0:6b7ffde9f287 86 return 1;
sarahmarshy 0:6b7ffde9f287 87 }
sarahmarshy 0:6b7ffde9f287 88
sarahmarshy 0:6b7ffde9f287 89 // ADD RESOURCES HERE
sarahmarshy 0:6b7ffde9f287 90 potentiometer_res = mbedClient.add_cloud_resource(3200, 0, 5501, "potentiometer_resource", M2MResourceInstance::FLOAT, M2MBase::GET_ALLOWED, 0, true, NULL);
sarahmarshy 0:6b7ffde9f287 91 message_res = mbedClient.add_cloud_resource(3201, 0, 5853, "message_resource", M2MResourceInstance::STRING, M2MBase::GET_PUT_ALLOWED, "Hello world!", false, (void*)message_updated_callback);
sarahmarshy 0:6b7ffde9f287 92 display_res = mbedClient.add_cloud_resource(3201, 0, 5850, "display_resource", M2MResourceInstance::STRING,M2MBase::POST_ALLOWED, "", false, (void*)display_message_callback);
sarahmarshy 0:6b7ffde9f287 93 led_res = mbedClient.add_cloud_resource(3202, 0, 5853, "led_resource", M2MResourceInstance::INTEGER,M2MBase::GET_PUT_ALLOWED, 0, false, (void*)set_blink_led);
sarahmarshy 0:6b7ffde9f287 94
sarahmarshy 0:6b7ffde9f287 95 mbedClient.start_client();
sarahmarshy 0:6b7ffde9f287 96 queue.call_every(100, read_potentiometer);
sarahmarshy 0:6b7ffde9f287 97 while(mbedClient.is_register_called()){
sarahmarshy 0:6b7ffde9f287 98 wait_ms(100);
sarahmarshy 0:6b7ffde9f287 99 queue.dispatch(0);
sarahmarshy 0:6b7ffde9f287 100 }
sarahmarshy 0:6b7ffde9f287 101 }