Revision 0:d2972e5edb22, committed 2016-05-07

Comitter:

TakehikoShimojima

Date:

Sat May 07 01:11:27 2016 +0000

Commit message:

initial

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Ambient.cpp	Sat May 07 01:11:27 2016 +0000
@@ -0,0 +1,147 @@
+#include "Ambient.h"
+
+#define _DEBUG 0
+
+#if _DEBUG
+#define DBG(...) { printf(__VA_ARGS__); }
+#define ERR(...) { printf(__VA_ARGS__); }
+#else
+#define DBG(...)
+#define ERR(...)
+#endif /* _DBG */
+
+const char* AMBIENT_HOST = "54.65.206.59";
+const int AMBIENT_PORT = 80;
+const char* AMBIENT_HOST_DEV = "192.168.0.8";
+const int AMBIENT_PORT_DEV = 4567;
+
+const char * ambient_keys[] = {"\"d1\":\"", "\"d2\":\"", "\"d3\":\"", "\"d4\":\"", "\"d5\":\"", "\"d6\":\"", "\"d7\":\"", "\"d8\":\"", "\"lat\":\"", "\"lng\":\"", "\"created\":\""};
+
+AMBIENT::AMBIENT() {
+}
+
+bool
+AMBIENT::init(unsigned int channelId, const char * writeKey, TCPSocketConnection * s, int dev) {
+    this->channelId = channelId;
+
+    if (sizeof(writeKey) > AMBIENT_WRITEKEY_SIZE) {
+        ERR("writeKey length > AMBIENT_WRITEKEY_SIZE");
+        return false;
+    }
+    strcpy(this->writeKey, writeKey);
+
+    if(NULL == s) {
+        ERR("Socket Pointer is NULL, open a socket.");
+        return false;
+    }
+    this->s = s;
+    this->dev = dev;
+    if (dev) {
+        strcpy(this->host, AMBIENT_HOST_DEV);
+        this->port = AMBIENT_PORT_DEV;
+    } else {
+        strcpy(this->host, AMBIENT_HOST);
+        this->port = AMBIENT_PORT;
+    }
+    for (int i = 0; i < AMBIENT_NUM_PARAMS; i++) {
+        this->data[i].set = false;
+    }
+    return true;
+}
+
+bool
+AMBIENT::set(int field, char * data) {
+    --field;
+    if (field < 0 || field >= AMBIENT_NUM_PARAMS) {
+        return false;
+    }
+    if (strlen(data) > AMBIENT_DATA_SIZE) {
+        return false;
+    }
+    this->data[field].set = true;
+    strcpy(this->data[field].item, data);
+
+    return true;
+}
+
+bool
+AMBIENT::clear(int field) {
+    --field;
+    if (field < 0 || field >= AMBIENT_NUM_PARAMS) {
+        return false;
+    }
+    this->data[field].set = false;
+
+    return true;
+}
+
+bool
+AMBIENT::send() {
+
+    int retry;
+    for (retry = 0; retry < AMBIENT_MAX_RETRY; retry++) {
+        int ret;
+        ret = this->s->connect(this->host, this->port);
+        if (ret == 0) {
+            break ;
+        }
+    }
+    if(retry == AMBIENT_MAX_RETRY) {
+        ERR("Could not connect socket to host\r\n");
+        return false;
+    }
+
+    char str[360] = {0};
+    char header[54] = {0};
+    char host[32] = {0};
+    char contentLen[28] = {0};
+    const char *contentType = "Content-Type: application/json\r\n\r\n";
+    char body[192] = {0};
+
+    strcat(body, "{\"writeKey\":\"");
+    strcat(body, this->writeKey);
+    strcat(body, "\",");
+
+    for (int i = 0; i < AMBIENT_NUM_PARAMS; i++) {
+        if (this->data[i].set) {
+            strcat(body, ambient_keys[i]);
+            strcat(body, this->data[i].item);
+            strcat(body, "\",");
+        }
+    }
+    body[strlen(body) - 1] = '\0';
+
+    strcat(body, "}\r\n");
+
+    sprintf(header, "POST /api/v2/channels/%d/data HTTP/1.1\r\n", this->channelId);
+    if (this->port == 80) {
+        sprintf(host, "Host: %s\r\n", this->host);
+    } else {
+        sprintf(host, "Host: %s:%d\r\n", this->host, this->port);
+    }
+    sprintf(contentLen, "Content-Length: %d\r\n", strlen(body));
+    sprintf(str, "%s%s%s%s%s", header, host, contentLen, contentType, body);
+
+    DBG("sending: %d bytes\r\n%s", strlen(str), str);
+
+    int ret;
+    ret = this->s->send_all(str, strlen(str));
+    wait_ms(30);
+    DBG("%d bytes sent\r\n", ret);
+    if (ret < 0) {
+        ERR("send failed\r\n");
+        return false;
+    }
+
+    ret = this->s->receive(str,sizeof(str));
+    str[ret]=0;
+    DBG("Received String : (%d)\r\n%s\r\n",ret, str);
+
+    this->s->close();
+
+    for (int i = 0; i < AMBIENT_NUM_PARAMS; i++) {
+        this->data[i].set = false;
+    }
+
+    return true;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Ambient.h	Sat May 07 01:11:27 2016 +0000
@@ -0,0 +1,112 @@
+#ifndef AMBIENT_H
+#define AMBIENT_H
+
+#include "mbed.h"
+#include "TCPSocketConnection.h"
+
+#define AMBIENT_WRITEKEY_SIZE 18
+#define AMBIENT_MAX_RETRY 5
+#define AMBIENT_DATA_SIZE 24
+#define AMBIENT_NUM_PARAMS 11
+
+/** AMBIENT class
+ * to send data to Ambient service.
+ *
+ * Exsample:
+ * @code
+ * #include "mbed.h"
+ * #include "EthernetInterface.h"
+ * #include "Ambient.h"
+ * #include "HDC1000.h"
+ * 
+ * unsigned int channelId = 100;
+ * const char* writeKey = "ライトキー";
+ * AMBIENT ambient;
+ * 
+ * HDC1000      hdc1000(p9,p10);
+ * 
+ * int main() {
+ *     printf("start\r\n");
+ * 
+ *     EthernetInterface eth;
+ *     eth.init(); //Use DHCP
+ *     eth.connect();
+ * 
+ *     TCPSocketConnection socket;
+ *     ambient.init(channelId, writeKey, &socket);
+ * 
+ *     printf("Ambient send to ch: %d\r\n", channelId);
+ * 
+ *     while (true) {
+ *         float temp, humid;
+ *         char tempbuf[12], humidbuf[12];
+ * 
+ *         hdc1000.get();
+ *         temp = hdc1000.temperature();
+ *         humid = hdc1000.humidity();
+ * 
+ *         sprintf(tempbuf, "%2.1f", temp);
+ *         ambient.set(1, tempbuf);
+ *         sprintf(humidbuf, "%2.0f", humid);
+ *         ambient.set(2, humidbuf);
+ *         printf("Temp: %s C, Humid: %s %%\r\n", tempbuf, humidbuf);
+ *         
+ *         ambient.send();
+ *         
+ *         wait(30.0);
+ *     }
+ * }
+ * @endcode
+ */
+class AMBIENT
+{
+public:
+    /** Create AMBIENT instance
+     */
+    AMBIENT(void);
+
+    /** Initialize the instance
+     * @param channelId Initialize the Ambient instance with channelId.
+     * @param writeKey and writeKey
+     * @param s and pointer to socket
+     * @returns
+     *    true on success,
+     *    false on error
+     */
+    bool init(unsigned int channelId, const char * writeKey, TCPSocketConnection * s, int dev = 0);
+    /** Set data on field-th field of payload.
+     * @param field index of payload (1 to 8)
+     * @param data data
+     * @returns
+     *    true on success,
+     *    false on error
+     */
+    bool set(int field, char * data);
+    /** Clear data on field-th field of payload.
+     * @param field index of payload (1 to 8)
+     * @returns
+     *    true on success,
+     *    false on error
+     */
+    bool clear(int field);
+
+    /** Send data to Ambient
+     */
+    bool send(void);
+
+private:
+
+    TCPSocketConnection * s;
+    unsigned int channelId;
+    char writeKey[AMBIENT_WRITEKEY_SIZE];
+    int dev;
+    char host[18];
+    int port;
+
+    struct {
+        int set;
+        char item[AMBIENT_DATA_SIZE];
+    } data[AMBIENT_NUM_PARAMS];
+};
+
+#endif // AMBIENT_H
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