SIM5320.cpp

00001 #include "SIM5320.h"
00002 #include <string>
00003 
00004 SIM5320::SIM5320() : SIM5320Serial(PA_9, PA_10), debugSerial(USBTX, USBRX)
00005 {
00006     SIM5320Serial.baud(115200);
00007     debugSerial.baud(115200);
00008     SIM5320Serial.attach(callback(this,&SIM5320::rxInterrupt),Serial::RxIrq);
00009     flushBuffer();
00010     rx_in=0;
00011 }
00012 
00013 SIM5320::SIM5320(PinName tx, PinName rx, bool debug) : SIM5320Serial(tx, rx), debugSerial(USBTX, USBRX)
00014 {
00015     SIM5320Serial.baud(115200);
00016     debugSerial.baud(115200);
00017     SIM5320Serial.attach(callback(this,&SIM5320::rxInterrupt),Serial::RxIrq);
00018     flushBuffer();
00019     rx_in=0;
00020 }
00021 
00022 string SIM5320::sendCommand(const char *command, uint8_t timeout)
00023 {
00024     //printDebug(command);
00025     SIM5320Serial.printf("%s\r\n", command);
00026     wait(timeout);
00027     string ret = readBuffer();
00028     const char* debugResponse = rx_buffer;
00029     printDebug(debugResponse);
00030     flushBuffer();
00031     return ret;
00032 
00033 
00034 }
00035 
00036 uint8_t SIM5320::sendCommandAndCheck(const char *command, const char *response, uint8_t timeout)
00037 {
00038     string answer = sendCommand(command, timeout);
00039 
00040     string resp(response);
00041     if (answer.find(resp) != string::npos) {
00042         return 1;
00043     }
00044     return 0;
00045 }
00046 void SIM5320::printDebug(const char *line)
00047 {
00048     debugSerial.printf("%s\n",line);
00049 }
00050 bool SIM5320::connect(const char *apn, const char *userName, const char *passPhrase)
00051 {
00052     sendCommand("AT",2);
00053     sendCommand("AT+CSQ",2);
00054     sendCommand("AT+CREG?",2);
00055     sendCommand("AT+CPSI?",2);
00056     sendCommand("AT+CGREG?",2);
00057     sendCommand(concatChars("AT+CGSOCKCONT=1,\"IP\",\"",apn,"\""),3);
00058     sendCommand("AT+CSOCKSETPN=1",2);
00059     sendCommand("AT+CIPMODE=0",2);
00060     sendCommand("AT+NETOPEN",10);
00061     return sendCommandAndCheck("AT+IPADDR","IPADDR",3);
00062 }
00063 bool SIM5320::disconnect()
00064 {
00065     sendCommand("AT+NETCLOSE",2);
00066     return sendCommandAndCheck("AT+IPADDR","IP ERROR",2);
00067 }
00068 bool SIM5320::enableGPS(bool isEnabled)
00069 {
00070     char x='0';
00071     if(isEnabled) {
00072         x='1';
00073     } else {
00074         x='0';
00075     }
00076     return sendCommandAndCheck("AT+CGPS=1","OK",3);
00077 }
00078 void SIM5320::rxInterrupt()
00079 {
00080     while(SIM5320Serial.readable()) {
00081         char c = SIM5320Serial.getc();
00082         rx_buffer[rx_in] = c;
00083         rx_in++;
00084         if(rx_in==BUFFER_SIZE)
00085             rx_in=0;
00086     }
00087     return;
00088 }
00089 
00090 string SIM5320::readBuffer()
00091 {
00092 
00093     return string(rx_buffer);
00094 }
00095 
00096 void SIM5320::flushBuffer()
00097 {
00098     for(int i=0; i<BUFFER_SIZE; i++)
00099         rx_buffer[i]=0;
00100     rx_in=0;
00101 }
00102 
00103 char* SIM5320::concatChars(const char* in1, const char* in2, const char* in3)
00104 {
00105     char* out1 = (char *) malloc(1+strlen(in1)+strlen(in2));
00106     char* out2 = (char *) malloc(1+strlen(out1)+strlen(in3));
00107     strcpy(out1, in1);
00108     strcat(out1, in2);
00109 
00110     strcpy(out2, out1);
00111     strcat(out2, in3);
00112 
00113     return out2;
00114 
00115 }