Diff: main.cpp

Revision:

0:bea495dbc532

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Nov 29 13:35:27 2014 +0000
@@ -0,0 +1,106 @@
+#include "mbed.h"
+#include "rtos.h"
+#include "EthernetInterface.h"
+#include "GraphicOLED.h"
+#include "picojson.h"
+#include <string>
+
+// debug
+DigitalOut led1(LED1, 0);
+DigitalOut led2(LED2, 0);
+DigitalOut led3(LED3, 0);
+DigitalOut led4(LED4, 0);
+Serial pc(USBTX, USBRX);
+
+GraphicOLED oled(p24, p26, p27, p28, p21, p22);
+
+// ethernet
+DigitalIn lnk(P1_25);
+DigitalIn spd(P1_26);
+DigitalOut speed(p29);
+DigitalOut link(p30);
+
+void flip(void const *args) {
+    speed = !spd;
+    link = !lnk;
+}
+
+const string API_HOST = "api.search.nicovideo.jp";
+const int API_PORT = 80;
+const string API_PATH = "/api/";
+
+const string SEARCH_TAG = "mbed";
+
+int main() {
+    // ethernet led
+    RtosTimer flipper(flip, osTimerPeriodic, NULL);
+    flipper.start(50);
+
+    Thread::wait(2000);
+    oled.cls();
+    oled.printf("Hello world!\r\n");
+
+    EthernetInterface eth;
+    eth.init();
+    eth.connect();
+    
+    oled.cls();
+    oled.printf("IP Address is %s\r\n", eth.getIPAddress());
+    
+    TCPSocketConnection sock;
+    sock.connect(API_HOST.c_str(), API_PORT);
+    
+    char post_data[256];
+    sprintf(post_data, "{\"query\":\"%s\",\"service\":[\"video\"],\"search\":[\"tags\"],\"join\":[\"cmsid\",\"title\",\"start_time\"],\"from\":0,\"size\":1,\"sort_by\":\"start_time\",\"issuer\":\"apiguide\",\"reason\":\"ma10\"}", SEARCH_TAG.c_str());
+    pc.printf("POST Data:\r\n%s\r\nLength:%d\r\n", post_data, strlen(post_data));
+    
+    char http_cmd[1024];
+    sprintf(http_cmd, "POST %s HTTP/1.1\r\nHost: %s:%d\r\nAccept: */*\r\nContent-Length: %d\r\nContent-Type: application/json\r\n\r\n%s\r\n\r\n", API_PATH.c_str(), API_HOST.c_str(), API_PORT, strlen(post_data), post_data);
+    pc.printf("Request:\r\n%s\r\n", http_cmd);
+    sock.send_all(http_cmd, sizeof(http_cmd)-1);
+    
+    char buffer[4048];
+    int ret;
+    ret = sock.receive(buffer, sizeof(buffer)-1);
+    buffer[ret] = '\0';
+    pc.printf("Received %d chars from server:\n%s\n", ret, buffer);
+      
+    sock.close();
+    eth.disconnect();
+    
+    oled.cls();
+    oled.printf("connection closed.\r\n\r\n");
+    
+    string response(buffer);
+    string response_body;
+    response_body = response.substr((int)response.find("\r\n\r\n") + 1);
+    pc.printf("---------------------------\r\n");
+    pc.printf(response_body.c_str());
+    pc.printf("---------------------------\r\n");
+    
+    for(int i=0; i<3;i++){
+        response_body = response_body.substr((int)response_body.find("\n{") + 1);
+    }
+    
+    int start_pos = (int)response_body.find("[") + 1;
+    int end_pos = (int)response_body.find("]");
+    response_body = response_body.substr(start_pos, end_pos - start_pos);
+    pc.printf("---------------------------\r\n");
+    pc.printf(response_body.c_str());
+    pc.printf("---------------------------\r\n");
+    
+    picojson::value v;
+
+    const char *json = response_body.c_str();
+    string err = picojson::parse(v, json, json + strlen(json));
+    pc.printf("--> error %s\r\n", err.c_str());
+
+    pc.printf("--> values %s\r\n", v.get("title").get<string>().c_str());
+    oled.cls();
+    oled.printf(v.get("title").get<string>().c_str());
+    
+    while(1) {
+        led1 = !led1;
+        Thread::wait(1000);
+    }
+}
\ No newline at end of file