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/*************************************************************************
* Test sketch for SIM800 library
* Distributed under GPL v2.0
* Written by Stanley Huang <stanleyhuangyc@gmail.com>
* For more information, please visit http://arduinodev.com
*************************************************************************/
#include "SIM800.h"
#define APN "connect"
static const char* url = "http://arduinodev.com/datetime.php";
CGPRS_SIM800 gprs;
uint32_t count = 0;
uint32_t errors = 0;
void setup()
{
con.begin(9600);
while (!con);
con.println("SIM800 TEST");
for (;;) {
con.print("Resetting...");
while (!gprs.init()) {
con.write('.');
}
con.println("OK");
con.print("Setting up network...");
byte ret = gprs.setup(APN);
if (ret == 0)
break;
con.print("Error code:");
con.println(ret);
con.println(gprs.buffer);
}
con.println("OK");
delay(3000);
if (gprs.getOperatorName()) {
con.print("Operator:");
con.println(gprs.buffer);
}
int ret = gprs.getSignalQuality();
if (ret) {
con.print("Signal:");
con.print(ret);
con.println("dB");
}
#if 0
sendCommand("AT+CSQ");
lcd.println("Dialing...");
if (sendCommand("ATD + +61402533012;", 10000)) {
lcd.println(buffer);
}
if (sendCommand("ATH"))
lcd.println(buffer);
delay(1000);
#endif
gprs.sendCommand("AT+CMGF=1"); // sets the SMS mode to text
gprs.sendCommand("AT+CPMS=\"SM\",\"SM\",\"SM\""); // selects the memory
for (;;) {
if (gprs.httpInit()) break;
con.println(gprs.buffer);
gprs.httpUninit();
delay(1000);
}
delay(3000);
}
void loop()
{
count++;
char mydata[16];
sprintf(mydata, "t=%lu", millis());
con.print("Requesting ");
con.print(url);
con.print('?');
con.println(mydata);
gprs.httpConnect(url, mydata);
while (gprs.httpIsConnected() == 0) {
// can do something here while waiting
con.write('.');
for (byte n = 0; n < 25 && !gprs.available(); n++) {
delay(10);
}
}
if (gprs.httpState == HTTP_ERROR) {
con.println("error");
errors++;
delay(3000);
return;
}
gprs.httpRead();
int ret;
while ((ret = gprs.httpIsRead()) == 0) {
// can do something here while waiting
}
if (gprs.httpState == HTTP_ERROR) {
con.println("error");
errors++;
delay(3000);
return;
}
// now we have received payload
con.print("\n[Payload]");
con.println(gprs.buffer);
// show stats
con.print("Total Requests:");
con.print(count);
if (errors) {
con.print(" Errors:");
con.print(errors);
}
con.println();
}
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