Created
April 25, 2010 08:22
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| #include "mbed.h" | |
| #include "HTTPClient.h" | |
| #include <string> | |
| using namespace std; | |
| Serial pc(USBTX, USBRX); | |
| DigitalOut led1(LED1); // blink | |
| DigitalOut led2(LED2); // blink when http-post | |
| DigitalOut led3(p11); // represent ADC value | |
| AnalogIn adc(p15); | |
| float ain; | |
| HTTPClient http; // use DHCP | |
| const string api_uri = "http://shokai.mag.keio.ac.jp/sensor-storage/"; | |
| const string mbed_name = "shokai-mbed01"; | |
| const string sensor_name = "CdS"; | |
| void blink_led(DigitalOut led, int num){ | |
| for(int i=0; i < num*2; i++){ | |
| led = !led; | |
| wait(0.1); | |
| } | |
| } | |
| void post_sensor_value(){ | |
| blink_led(led2, 2); | |
| char query[256] = ""; | |
| char result[4096] = ""; // 4kb | |
| sprintf(query, "name=%s&%s=%f", mbed_name.c_str(), sensor_name.c_str(), (float)ain); | |
| pc.printf("post:%s => %s\n", query, api_uri.c_str()); | |
| http.post(api_uri.c_str(), query, result, 4096); | |
| pc.printf("%s\n", result); | |
| blink_led(led2, 2); | |
| } | |
| int main(void){ | |
| led1 = 1; | |
| int count = 0; | |
| while(1) { | |
| ain = adc; | |
| pc.printf("sensor:%f\n", float(ain)); | |
| led1 = !led1; // blink LED | |
| if(ain > 0.1) led3 = 0; // represent CdS value | |
| else led3 = 1; | |
| if(count > 20){ | |
| post_sensor_value(); | |
| count = 0; | |
| } | |
| count++; | |
| wait(0.5); | |
| } | |
| } |
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