Jasper Sikken
The program uses RPC over http to open a garage door over the internet. On a htm page is a link that calls a RPC function
Dependencies: EthernetNetIf NTPClient_NetServices mbed HTTPServer
Diff: myGarageDoorOpenerHTTPServerExample.cpp
- Revision:
- 2:fb8f5c072e24
- Parent:
- 1:71c0a02e6587
- Child:
- 3:bdea83a48a95
--- a/myGarageDoorOpenerHTTPServerExample.cpp Sat Jun 11 21:46:32 2011 +0000
+++ b/myGarageDoorOpenerHTTPServerExample.cpp Sun Jun 12 13:50:51 2011 +0000
@@ -6,12 +6,12 @@
DigitalOut led1(LED1, "led1");
DigitalOut led2(LED2, "led2");
-DigitalOut led3(LED3, "led3");
DigitalOut led4(LED4, "led4");
DigitalOut rfout(p22,"rfout");
+InterruptIn button(p25); //energymeter flash detector
LocalFileSystem fs("webfs");// Create the local filesystem under the name "local"
-LocalFileSystem local("local");
+LocalFileSystem local("local");// Create the local filesystem under the name "local"
EthernetNetIf eth(
IpAddr(192,168,1,100), //IP Address
@@ -21,12 +21,24 @@
);
HTTPServer svr;
NTPClient ntp;
- time_t ctTime;
+time_t ctTime;
void sendbit(char a);
void open(char * input, char * output);//Open garage door
RPCFunction rpc_open(&open, "open");
+Timer t;//timer to measure time between power meter flashes
+float watt;//is calculated from the time between flashes
+int logPower;//initialize global variables
+float time_s;
+
+void flip() {// measure time
+ time_s = t.read(); // read time and store in global variable
+ t.reset(); //reset time
+ led2 = !led2;//toggle led2
+ logPower=1;//tell the main loop to calculate the power
+}
+
int main() {
Base::add_rpc_class<AnalogIn>();
Base::add_rpc_class<AnalogOut>();
@@ -51,7 +63,7 @@
//FSHandler::mount("/webfs", "/files"); //Mount /webfs path on /files web path
FSHandler::mount("/webfs", "/"); //Mount /webfs path on web root path
- svr.addHandler<SimpleHandler>("/hello");
+ //svr.addHandler<SimpleHandler>("/hello");
svr.addHandler<RPCHandler>("/rpc");
svr.addHandler<FSHandler>("/files");
svr.addHandler<FSHandler>("/"); //Default handler
@@ -63,24 +75,35 @@
Host server(IpAddr(), 123, "0.uk.pool.ntp.org");
ntp.setTime(server);
ctTime = time(NULL);
- printf("Internet time is (UTC): %s\n", ctime(&ctTime));
+ printf("Time (UTC): %s\r\n", ctime(&ctTime));
FILE *fp = fopen("/local/test.txt", "a");
- fprintf(fp,"Mbed restart (UTC): %s \r\n", ctime(&ctTime));
+ fprintf(fp,"Restart (UTC): %s \r\n", ctime(&ctTime));
fclose(fp);
- Timer tm;
+ button.rise(&flip); // attach the address of the flip function to the rising edge
+ Timer tm;//timer to show that mbed is alive
tm.start();
+ t.start();
while (true) {
Net::poll();
if (tm.read()>0.5) {
led1=!led1; //Show that we are alive
tm.start();
}
+ if (logPower==1) {
+ logPower=0;
+ watt=3600/time_s;//calculate watt
+ printf("T: %f s\r\n", time_s);//debug info
+ printf("P: %f W\r\n", watt);//debug info
+ FILE *fp = fopen("/local/power.txt", "a");
+ fprintf(fp,"P: %f W\r\n", watt);
+ fclose(fp);
+ }
}//end of while loop
}//end of main
void sendbit(char a) {
- if (a==0) { //pin low
+ if (a==0) {//pin low
rfout=1;
wait_us(2010);
rfout=0;
@@ -90,7 +113,7 @@
rfout=0;
wait_us(270);
}
- if (a==1) { //pin high
+ if (a==1) {//pin high
rfout=1;
wait_us(270);
rfout=0;
@@ -104,7 +127,7 @@
void open(char * input, char * output) {
led4=1;
- for (char i = 0; i<20; i++) {
+ for (char i = 0; i<10; i++) {
sendbit(1);//address A1
sendbit(0);//address A2
sendbit(0);//address A3
@@ -120,7 +143,7 @@
FILE *fp = fopen("/local/test.txt", "a");
ctTime = time(NULL);
- fprintf(fp,"Open sesame (UTC): %s \n", ctime(&ctTime));
+ fprintf(fp,"Open (UTC): %s \r\n", ctime(&ctTime));
fclose(fp);
sprintf(output, "<html><head><meta http-equiv=refresh content='5; url=../../index.htm'></head><body BGCOLOR=#A1F9FF>Opening,wait...</body></html>");