Renesas / Mbed OS GR-PEACH_IoT_Platform_HTTP_sample

Sample program for communicating with Fujitsuu IoT Platform using HTTP

Dependencies:   AsciiFont GR-PEACH_video GraphicsFramework LCD_shield_config R_BSP USBHost_custom easy-connect-gr-peach mbed-http picojson BM1383GLV KX022 rohm-sensor-hal rohm-bh1745

Overview

This sample program shows how to send the cognitive data and sensing data gathered by Omron HVC-P2 and Rohm Sensor Shield respectively to IoT Platform managed by FUJITSU ( http://jp.fujitsu.com/solutions/cloud/k5/function/paas/iot-platform/ ).

Required Hardware

Application Setup

  1. Configure the connection type. For details, please refer to the following link:
    https://developer.mbed.org/teams/Renesas/code/GR-PEACH_IoT_Platform_HTTP_sample/wiki/Connection-Type
  2. Configure Ethernet settings. For details, please refer to the following link:
    https://developer.mbed.org/teams/Renesas/code/GR-PEACH_IoT_Platform_HTTP_sample/wiki/Ethernet-settings
  3. Set up the Access Code of resource where the gathered data would be stored. For details on Access Code, please refer to the following links:
    https://iot-docs.jp-east-1.paas.cloud.global.fujitsu.com/en/manual/userguide_en.pdf
    https://iot-docs.jp-east-1.paas.cloud.global.fujitsu.com/en/manual/apireference_en.pdf
    https://iot-docs.jp-east-1.paas.cloud.global.fujitsu.com/en/manual/portalmanual_en.pdf
  4. Set up URI for the resource where the gathered data would be stored. For details, please refer to the following link:
    https://iot-docs.jp-east-1.paas.cloud.global.fujitsu.com/en/manual/userguide_en.pdf
    https://iot-docs.jp-east-1.paas.cloud.global.fujitsu.com/en/manual/apireference_en.pdf

Building Example

  1. Import this sample program onto mbed Compiler
  2. Configure the program in accordance with the description of Application Setup above
  3. Compile the sample program
  4. Plug the Ethernet cable into GR-PEACH if you would like Ethernet mode
  5. Plug micro-USB cable into the OpenSDA port which lies on the next to the RESET button
  6. Copy the binary previously downloaded to your PC to GR-PEACH in order to flash this program. When the copy is successfully completed, the drive named MBED should be re-mounted automatically
  7. Press the RESET button on the board to run the sample application

Data Format sent to IoT Platform

In this sample program, the cognitive data and sensing data are serialized into the following JSON format using picojson (https://developer.mbed.org/users/mimil/code/picojson/):

  • Face detection data 

{
    "RecordType": "HVC-P2(face)",
    "id": "<GR-PEACH ID>-<Sensor ID>",
    "Age": xxx,
    "FaceRectangle": {
        "Height": xxx,
        "Left": xxx,
        "Top": xxx,
        "Width": xxx
    },
    "Gender": xxx,
    "Scores": {
        "Anger": xxx,
        "Happiness": xxx,
        "Neutral": xxx,
        "Sadness": xxx,
        "Surprise": xxx
    }
}
  • Body detection data 

{
    "RecodeType": "HVC-P2(body)",
    "id": "<GR-PEACH ID>-<Sensor ID>",
    "BodyRectangle": {
        "Height": xxx,
        "Left": xxx,
        "Top": xxx,
        "Width": xxx
    }
}
  • Accelerometer data 

{
    "RecodeType": "Accelerometer",
    "id": "<GR-PEACH ID>-<Sensor ID>",
    "data": [ acceleratoin(x-direction), acceleration(y-direction), acceleration(z-direction), null, null, null ]
}

Note that data[0], data[1] and data[2] are filled with the acceleration data in x, y and z direction respectively, and the remaining elements are filled with null.

  • Atmosphere data 

{
    "RecodeType": "Atmosphere",
    "id": "<GR-PEACH ID>-<Sensor ID>",
    "data": [ atmosphere data, null, null, null, null, null ]
}

Note that data[0] is filled with atmosphere data, and the remaining elements are filled with null.

  • Color sensor data 

{
    "RecodeType": "Color",
    "id": "<GR-PEACH ID>-<Sensor ID>",
    "data": [ Red, Green, Blue, Alpha, null, null]
}

Note that data[0], data[1], data[2] and data[3] are filled with Red, Green, Blue and Alpha elements of color respectively, and the remaining elements are filled with null.

  • Temperature data 

{
    "RecodeType": "Temperature",
    "id": "<GR-PEACH ID>-<Sensor ID>",
    "data": [ Temperature, null, null, null, null, null ]
}

Note that data[0] is filled with temperature data, the remaining elements are filled with null.

  • Geomagnetism 

{
    "RecodeType": "Geomagnetism",
    "id": "<GR-PEACH ID>-<Sensor ID>",
    "data": [ geomagnetism(x-direction), geomagnetism(y-direction), geomagnetism(z-direction), null, null, null]
}

Note that data[0], data[1] and data[2] are filled with the geomagnetism data in x, y and z direction respectively, and the remaining elements are filled with null.

Diff: IoT_Platform/iot_platform.cpp

Revision:
2:a191fff7103b
Parent:
0:8373b6833bde
Child:
3:0eaa47c59bb3
--- a/IoT_Platform/iot_platform.cpp	Fri Jul 14 16:46:43 2017 +0900
+++ b/IoT_Platform/iot_platform.cpp	Fri Jul 14 17:00:13 2017 +0900
@@ -30,10 +30,9 @@
 KX022 sensor_acc(I2C_SDA, I2C_SCL);    // Accelerometer
 
 #define JST_OFFSET 9
-char date_and_hour[50];
 
-#define ACCESS_KEY <Access Key>
-#error "You need to replace <Access Key for your resource> with yours"
+#define ACCESS_CODE <Access CODE>
+#error "You need to replace <Access CODE for your resource> with yours"
 
 std::string put_uri_base("<Base URI>/v1/<Tenant ID>/<Path-to-Resource>.json?");
 #error "You need to replace <Base URI>, <Tenant ID> and <Path-to-Resource> with yours"
@@ -68,9 +67,34 @@
                 res->get_body_as_string().c_str());
 }
 
+std::string create_put_uri(std::string uri_base)
+{
+    time_t ctTime;
+    struct tm *pnow;
+    char date_and_hour[50];
+    std::string uri;
+    
+    ctTime = time(NULL);
+    pnow = localtime(&ctTime);
+    sprintf(date_and_hour, "?$date=%04d%02d%02dT%02d%02d%02d.000%%2B%02d00",
+        (pnow->tm_year + 1900), (pnow->tm_mon + 1), pnow->tm_mday,
+        (pnow->tm_hour + JST_OFFSET - pnow->tm_isdst), pnow->tm_min,
+        pnow->tm_sec, (JST_OFFSET - pnow->tm_isdst));
+
+    uri = uri_base + date_and_hour;
+    
+    return(uri);
+}
+
 int iot_put(NetworkInterface *network, picojson::object o4)
 {
 
+#ifdef ENABLED_NTP
+    put_uri = create_put_uri(put_uri_base);
+#else
+    put_uri = put_uri_base;
+#endif  // ENABLED_NTP
+
     // PUT request to IoT Platform
     HttpRequest* put_req = new HttpRequest(network, HTTP_PUT, put_uri.c_str());
     put_req->set_header("Authorization", ACCESS_KEY);
@@ -120,7 +144,7 @@
     bh1745_wait_until_found();
     bh1745_initial_setup();
     error = bh1745_read_data(&data[0]);
-    MBED_ASSERT("error==0");
+    MBED_ASSERT(error==0);
 }
 
 int send_sensor_info(NetworkInterface *network)
@@ -180,32 +204,7 @@
 {
     /* No face detect */
     if (result_hvcp2_fd_cnt == 0) {
-        /* picojson-object clear */
-        o_fd[0].clear();
-        o_fr[0].clear();
-        o_scr[0].clear();
-
-        /* Type */
-        o_fd[0]["RecordType"] = picojson::value((string) "HVC-P2(face)");
-        o_fd[0]["id"] = picojson::value((string)"0001-0005");
-        /* Age */
-        o_fd[0]["Age"] = picojson::value((double)-128);
-        /* Gender */
-        o_fd[0]["Gender"] = picojson::value((double)-128);
-        /* FaceRectangle */
-        o_fr[0]["Top"] = picojson::value((double)-128);
-        o_fr[0]["Left"] = picojson::value((double)-128);
-        o_fr[0]["Width"] = picojson::value((double)-128);
-        o_fr[0]["Height"] = picojson::value((double)-128);
-        /* Scores */
-        o_scr[0]["Neutral"] = picojson::value((double)-128);
-        o_scr[0]["Anger"] = picojson::value((double)-128);
-        o_scr[0]["Happiness"] = picojson::value((double)-128);
-        o_scr[0]["Surprise"] = picojson::value((double)-128);
-        o_scr[0]["Sadness"] = picojson::value((double)-128);
-        /* insert 2 structures */
-        o_fd[0]["FaceRectangle"] = picojson::value(o_fr[0]);
-        o_fd[0]["Scores"] = picojson::value(o_scr[0]);
+        /* Do nothing */
     } else {
         for (uint32_t i = 0; i < result_hvcp2_fd_cnt; i++) {
             /* picojson-object clear */
@@ -238,16 +237,7 @@
 
     /* No body detect */
     if (result_hvcp2_bd_cnt == 0) {
-        /* picojson-object clear */
-        o_bd[0].clear();
-        /* Type */
-        o_bd[0]["RecordType"] = picojson::value((string)"HVC-P2(body)");
-        o_bd[0]["id"] = picojson::value((string)"0001-0006");
-        /* BodyRectangle */
-        o_bd[0]["Top"] = picojson::value((double)-128);
-        o_bd[0]["Left"] = picojson::value((double)-128);
-        o_bd[0]["Width"] = picojson::value((double)-128);
-        o_bd[0]["Height"] = picojson::value((double)-128);
+        /* Do nothing */
     } else {
         for (uint32_t i = 0; i < result_hvcp2_bd_cnt; i++) {
             /* picojson-object clear */
@@ -271,14 +261,14 @@
 
     /* send data */
     if (result_hvcp2_fd_cnt == 0) {
-        iot_put(network, o_fd[0]);
+        /* No need to send data */
     } else {
         for (uint32_t i = 0; i < result_hvcp2_fd_cnt; i++) {
             iot_put(network, o_fd[i]);
         }
     }
     if (result_hvcp2_bd_cnt == 0) {
-        iot_put(network, o_bd[0]);
+        /* No need to send data */
     } else {
         for (uint32_t i = 0; i < result_hvcp2_bd_cnt; i++) {
             iot_put(network, o_bd[i]);
@@ -295,6 +285,7 @@
     NetworkInterface *network = easy_connect(true);
     MBED_ASSERT(network);
 
+#ifdef ENABLED_NTP
     // Generate the string indicating the date and hour specified for PUT request
     NTPClient ntp;
     time_t ctTime;
@@ -305,19 +296,13 @@
     MBED_ASSERT( ret==0 );
 
     ctTime = time(NULL);
+#endif  // Enabled_NTP
 
     while (1) {
 
         semaphore_wait_ret = iot_ready_semaphore.wait();
         MBED_ASSERT(semaphore_wait_ret != -1);
 
-        pnow = localtime(&ctTime);
-        sprintf(date_and_hour, "$date=%04d%02d%02dT%02d%02d%02d.000%%2B%02d00",
-            (pnow->tm_year + 1900), (pnow->tm_mon + 1), pnow->tm_mday,
-            (pnow->tm_hour + JST_OFFSET - pnow->tm_isdst), pnow->tm_min,
-            pnow->tm_sec, (JST_OFFSET - pnow->tm_isdst));
-        put_uri = put_uri_base + date_and_hour;
-
 #ifdef USE_HVC_P2
         /* send hvc-p2 data */
         http_resp_time.reset();