* add C027_Support fork
Fork of C027_Support by
MDM.cpp
- Committer:
- mazgch
- Date:
- 2014-04-11
- Revision:
- 43:a89a7a505991
- Parent:
- 37:cc3433329d66
- Child:
- 44:9d12223b78ff
File content as of revision 43:a89a7a505991:
#include "mbed.h" #include <ctype.h> #include <string.h> #include "MDM.h" #define TRACE (0)?:printf //#define DEBUG // enable this for AT command debugging #define PROFILE "0" // this is the psd profile used #define MAX_SIZE 256 // max expected messages // some helper #define ISSOCKET(s) (((s) >= 0) && ((s) < (sizeof(_sockets)/sizeof(*_sockets)))) #ifdef DEBUG void dump(const char* buf, int len) { while (len --) { char ch = *buf++; if (ch == '\r') printf("\\r"); else if (ch == '\n') printf("\\n"); else if (ch >= 0x20) printf("%c", ch); else printf("\\x%02x", ch); } } #if 1 // colored terminal output using ANSI escape sequences #define COL(c,t) "\33[" c t "\33[" "39m" #else #define COL(c,t) t #endif #define BLA(t) COL("30m",t) #define RED(t) COL("31m",t) #define GRE(t) COL("32m",t) #define YEL(t) COL("33m",t) #define BLU(t) COL("34m",t) #define MAG(t) COL("35m",t) #define CYA(t) COL("36m",t) #define WHY(t) COL("37m",t) #endif MDMParser::MDMParser(void) { memset(&_dev, 0, sizeof(_dev)); memset(&_net, 0, sizeof(_net)); _ip = NOIP; memset(_sockets, 0, sizeof(_sockets)); } int MDMParser::send(const char* buf, int len) { #ifdef DEBUG printf("AT send %4d \"", len); dump(buf,len); printf("\"\r\n"); #endif return _send(buf, len); } int MDMParser::sendFormated(const char* format, ...) { char buf[MAX_SIZE]; va_list args; va_start(args, format); int len = vsnprintf(buf,sizeof(buf), format, args); va_end(args); return send(buf, len); } int MDMParser::waitFinalResp(_CALLBACKPTR cb /* = NULL*/, void* param /* = NULL*/, int timeout_ms /*= 5000*/) { char buf[MAX_SIZE]; Timer timer; timer.start(); do { int ret = getLine(buf, sizeof(buf)); #ifdef DEBUG if ((ret != WAIT) && (ret != NOT_FOUND)) { int len = LENGTH(ret); int type = TYPE(ret); const char* s = (type == TYPE_UNKNOWN)? YEL("UNK") : (type == TYPE_TEXT) ? MAG("TXT") : (type == TYPE_OK ) ? GRE("OK ") : (type == TYPE_ERROR) ? RED("ERR") : (type == TYPE_PLUS) ? CYA(" + ") : (type == TYPE_PROMPT) ? BLU(" > ") : "..." ; printf("AT read %s %3d \"", s, len); dump(buf, len); printf("\"\r\n"); } #endif if ((ret != WAIT) && (ret != NOT_FOUND)) { int type = TYPE(ret); if (type == TYPE_OK) return OK; if (type == TYPE_ERROR) return ERROR; if (type == TYPE_PROMPT) return PROMPT; // handle unsolicited commands here if (type == TYPE_PLUS) { const char* cmd = buf+3; int a, b; char s[32]; // SMS Command --------------------------------- // +CNMI: <mem>,<index> if (sscanf(cmd, "CMTI: \"%*[^\"]\",%d", &a) == 1) { TRACE("New SMS at index %d\r\n", a); // Socket Specific Command --------------------------------- // +UUSORD: <socket>,<length> } else if ((sscanf(cmd, "UUSORD: %d,%d", &a, &b) == 2) && ISSOCKET(a) && (_sockets[a].state == SOCK_CONNECTED)) { TRACE("Socket %d: %d bytes pending\r\n", a, b); _sockets[a].pending = b; // +UUSORF: <socket>,<length> } else if ((sscanf(cmd, "UUSORF: %d,%d", &a, &b) == 2) && ISSOCKET(a) && (_sockets[a].state == SOCK_CONNECTED)) { TRACE("Socket %d: %d bytes pending\r\n", a, b); _sockets[a].pending = b; // +UUSOCL: <socket> } else if ((sscanf(cmd, "UUSOCL: %d", &a) == 1) && ISSOCKET(a) && (_sockets[a].state == SOCK_CONNECTED)) { TRACE("Socket %d: closed by remote host\r\n", a); _sockets[a].state = SOCK_CREATED/*=CLOSED*/; } if (_dev.dev == DEV_LISA_C200) { // CDMA Specific ------------------------------------------- // +CREG: <n><SID>,<NID>,<stat> if (sscanf(cmd, "CREG: %*d,%*d,%*d,%d",&a) == 1) { if (a == 0) _net.reg = REG_NONE; // not registered, home network else if (a == 1) _net.reg = REG_HOME; // registered, home network else if (a == 2) _net.reg = REG_NONE; // not registered, but MT is currently searching a new operator to register to else if (a == 3) _net.reg = REG_DENIED; // registration denied else if (a == 5) _net.reg = REG_ROAMING; // registered, roaming _net.act = ACT_CDMA; // +CSS: <mode>[,<format>,<oper>[,<AcT>]] } else if (sscanf(cmd, "CSS %*c,%2s,%*d",s) == 1) { //_net.reg = (strcmp("Z", s) == 0) ? REG_UNKNOWN : REG_HOME; } } else { // GSM/UMTS Specific ------------------------------------------- // +CREG: <n>, <stat>[,<lac>,<ci>[,AcT]] b = 255; if (sscanf(cmd, "CREG: %*d,%d,%*d,%d",&a,&b) >= 1) { // network status if (a == 0) _net.reg = REG_NONE; // 0: not registered, home network else if (a == 1) _net.reg = REG_HOME; // 1: registered, home network else if (a == 2) _net.reg = REG_NONE; // 2: not registered, but MT is currently searching a new operator to register to else if (a == 3) _net.reg = REG_DENIED; // 3: registration denied else if (a == 4) _net.reg = REG_UNKNOWN; // 4: unknown else if (a == 5) _net.reg = REG_ROAMING; // 5: registered, roaming // access technology if (b == 0) _net.act = ACT_GSM; // 0: GSM else if (b == 1) _net.act = ACT_GSM; // 1: GSM COMPACT else if (b == 2) _net.act = ACT_UTRAN; // 2: UTRAN else if (b == 3) _net.act = ACT_EDGE; // 3: GSM with EDGE availability else if (b == 4) _net.act = ACT_UTRAN; // 4: UTRAN with HSDPA availability else if (b == 5) _net.act = ACT_UTRAN; // 5: UTRAN with HSUPA availability else if (b == 6) _net.act = ACT_UTRAN; // 6: UTRAN with HSDPA and HSUPA availability // +UUPSDD: <profile_id> } else if (sscanf(cmd, "UUPSDD: %d",&a) == 1) { if (*PROFILE == a) _ip = NOIP; } } } if (cb) { int len = LENGTH(ret); int ret = cb(type, buf, len, param); if (WAIT != ret) return ret; } } // relax a bit wait_ms(10); } while (timer.read_ms() < timeout_ms); timer.stop(); timer.reset(); return WAIT; } int MDMParser::_cbString(int type, const char* buf, int len, char* str) { if (str && (type == TYPE_UNKNOWN)) { if (sscanf(buf, "\r\n%s\r\n", str) == 1) /*nothing*/; } return WAIT; } int MDMParser::_cbInt(int type, const char* buf, int len, int* val) { if (val && (type == TYPE_UNKNOWN)) { if (sscanf(buf, "\r\n%d\r\n", val) == 1) /*nothing*/; } return WAIT; } // ---------------------------------------------------------------- bool MDMParser::init(const char* pin, DevStatus* status) { int i = 5; while (i--) { // check interface and disable local echo sendFormated("AT\r\n"); if(OK == waitFinalResp()) break; } if (i == 0) return false; // echo off sendFormated("AT E0\r\n"); if(OK != waitFinalResp()) return false; // enable verbose error messages sendFormated("AT+CMEE=2\r\n"); if(OK != waitFinalResp()) return false; // set baud rate sendFormated("AT+IPR=115200\r\n"); if (OK != waitFinalResp()) return false; wait_ms(40); // identify the module sendFormated("ATI\r\n"); if (OK != waitFinalResp(_cbATI, &_dev.dev)) return false; if (_dev.dev == DEV_UNKNOWN) return false; // device specific init if (_dev.dev == DEV_LISA_C200) { // get the manufacturer sendFormated("AT+GMI\r\n"); if (OK != waitFinalResp(_cbString, _dev.manu)) return false; // get the model identification sendFormated("AT+GMM\r\n"); if (OK != waitFinalResp(_cbString, _dev.model)) return false; // get the sw version sendFormated("AT+GMR\r\n"); if (OK != waitFinalResp(_cbString, _dev.ver)) return false; // Return the pseudo ESN or MEID sendFormated("AT+GSN\r\n"); if (OK != waitFinalResp(_cbString, _dev.meid)) return false; } else { if (_dev.dev == DEV_LISA_U200) { // enable the network identification feature sendFormated("AT+UGPIOC=20,2\r\n"); if (OK != waitFinalResp()) return false; } else { // enable the network identification feature sendFormated("AT+UGPIOC=16,2\r\n"); if (OK != waitFinalResp()) return false; } // check the sim card for (int i = 0; (i < 5) && (_dev.sim != SIM_READY); i++) { sendFormated("AT+CPIN?\r\n"); int ret = waitFinalResp(_cbCPIN, &_dev.sim); if ((OK != ret) && (ERROR != ret)) return false; // Enter PIN if needed if (_dev.sim == SIM_PIN) { if (!pin) { TRACE("SIM PIN not available\r\n"); return false; } sendFormated("AT+CPIN=%s\r\n", pin); if (OK != waitFinalResp(_cbCPIN, &_dev.sim)) return false; } else if (_dev.sim != SIM_READY) wait_ms(1000); } if (_dev.sim != SIM_READY) return false; // get the manufacturer sendFormated("AT+CGMI\r\n"); if (OK != waitFinalResp(_cbString, _dev.manu)) return false; // get the model identification sendFormated("AT+CGMM\r\n"); if (OK != waitFinalResp(_cbString, _dev.model)) return false; // get the sendFormated("AT+CGMR\r\n"); if (OK != waitFinalResp(_cbString, _dev.ver)) return false; // Returns the ICCID (Integrated Circuit Card ID) of the SIM-card. // ICCID is a serial number identifying the SIM. sendFormated("AT+CCID\r\n"); if (OK != waitFinalResp(_cbCCID, _dev.ccid)) return false; // Returns the product serial number, IMEI (International Mobile Equipment Identity) sendFormated("AT+CGSN\r\n"); if (OK != waitFinalResp(_cbString, _dev.imei)) return false; // Configure New message indication //sendFormated("AT+CNMI=2,1,0,0,0\r\n"); //if (OK != waitFinalResp()) // return false; } // Setup SMS in text mode sendFormated("AT+CMGF=1\r\n"); if (OK != waitFinalResp()) return false; // setup new message indication sendFormated("AT+CNMI=1,1\r\n"); if (OK != waitFinalResp()) return false; // Request IMSI (International Mobile Subscriber Identification) sendFormated("AT+CIMI\r\n"); if (OK != waitFinalResp(_cbString, _dev.imsi)) return false; // enable power saving if (_dev.lpm != LPM_DISABLED) { // enable power saving (requires flow control, cts at least) sendFormated("AT+UPSV=1\r\n"); if (OK != waitFinalResp()) return false; _dev.lpm = LPM_ACTIVE; } if (status) memcpy(status, &_dev, sizeof(DevStatus)); return true; } int MDMParser::_cbATI(int type, const char* buf, int len, Dev* dev) { if ((type == TYPE_UNKNOWN) && dev) { if (strstr(buf, "SARA-G350")) { *dev = DEV_SARA_G350; /*TRACE("Identified Device: SARA-G350 2G\\n")*/; } else if (strstr(buf, "LISA-U200")) { *dev = DEV_LISA_U200; /*TRACE("Identified Device: LISA-U200 2G/3G\r\n")*/; } else if (strstr(buf, "LISA-C200")) { *dev= DEV_LISA_C200; /*TRACE("Identified Device: LISA-C200 CDMA\r\n")*/; } } return WAIT; } int MDMParser::_cbCPIN(int type, const char* buf, int len, Sim* sim) { if ((type == TYPE_PLUS) && sim){ char s[16]; if (sscanf(buf, "\r\n+CPIN: %[^\r]\r<n", s) >= 1) { *sim = (strcmp("READY", s) == 0) ? SIM_READY : SIM_PIN; } } return WAIT; } int MDMParser::_cbCCID(int type, const char* buf, int len, char* ccid) { if ((type == TYPE_PLUS) && ccid){ if (sscanf(buf, "\r\n+CCID: %[^\r]\r\n", ccid) == 1) /*TRACE("Got CCID: %s\r\n", ccid)*/; } return WAIT; } bool MDMParser::checkNetStatus(NetStatus* status /*= NULL*/) { // check registration sendFormated("AT+CREG?\r\n"); if (OK != waitFinalResp()) return false; if ((_net.reg != REG_ROAMING) && (_net.reg != REG_HOME)) return false; // check modem specific status messages if (_dev.dev == DEV_LISA_C200) { sendFormated("AT+CSS?\r\n"); if (OK != waitFinalResp()) return false; // get the Telephone number sendFormated("AT$MDN?\r\n"); if (OK != waitFinalResp(_cbString, _net.num)) return false; // check if we have a Mobile Directory Number if (memcmp(_net.num, "0000", 4) == 0) return false; // get the the Network access identifier string char nai[64]; sendFormated("AT$QCMIPNAI?\r\n"); if (OK != waitFinalResp(_cbString, nai)) return false; } else { // check GPRS attach status int state = 0; sendFormated("AT+CGATT?\r\n"); if (OK != waitFinalResp(_cbCGATT, &state)) return false; if (state != 1) return false; // check operator selection sendFormated("AT+COPS?\r\n"); if (OK != waitFinalResp(_cbCOPS, &_net)) return false; // Returns the MSISDNs related to this subscriber sendFormated("AT+CNUM\r\n"); if (OK != waitFinalResp(_cbCNUM, _net.num)) return false; } // Returns the signal strength indication sendFormated("AT+CSQ\r\n"); if (OK != waitFinalResp(_cbCSQ, &_net.rssi)) return false; if (status) { memcpy(status, &_net, sizeof(NetStatus)); } return true; } int MDMParser::_cbCGATT(int type, const char* buf, int len, int* state) { if ((type == TYPE_PLUS) && state){ if (sscanf(buf, "\r\n+CGATT: %d\r\n", state) == 1) /*TRACE("Got CGATT: %d\r\n", state)*/; } return WAIT; } int MDMParser::_cbCOPS(int type, const char* buf, int len, NetStatus* status) { if ((type == TYPE_PLUS) && status){ int act = 99; // +COPS: <mode>[,<format>,<oper>[,<AcT>]] if (sscanf(buf, "\r\n+COPS: %*d,%*d,\"%[^\"]\",%d",status->opr,&act) >= 1) { if (act == 0) status->act = ACT_GSM; // 0: GSM, else if (act == 2) status->act = ACT_UTRAN; // 2: UTRAN } } return WAIT; } int MDMParser::_cbCNUM(int type, const char* buf, int len, char* num) { if ((type == TYPE_PLUS) && num){ int a; if ((sscanf(buf, "\r\n+CNUM: \"My Number\",\"%31[^\"]\",%d", num, &a) == 2) && ((a == 129) || (a == 145))) { } } return WAIT; } int MDMParser::_cbCSQ(int type, const char* buf, int len, int* rssi) { if ((type == TYPE_PLUS) && rssi){ int a; // +CSQ: <rssi>,<qual> if (sscanf(buf, "\r\n+CSQ: %d,%*d",&a) == 1) { if (a != 99) *rssi = -113 + 2*a; // 0: -113 1: -111 ... 30: -53 dBm with 2 dBm steps //if (b != 99) int qual = b; // } } return WAIT; } bool MDMParser::powerOff(void) { sendFormated("AT+CPWROFF\r\n"); if (OK != waitFinalResp(NULL,NULL,120)) return false; return true; } // ---------------------------------------------------------------- // internet connection MDMParser::IP MDMParser::join(const char* apn /*= NULL*/, const char* user /*= NULL*/, const char* password /*= NULL*/) { _ip = NOIP; if (_dev.dev == DEV_LISA_C200) { // TODO: is there something to do here? //Get local IP address sendFormated("AT+CMIP?\r\n"); if (OK != waitFinalResp(_cbCMIP, &_ip)) return NOIP; } else { // check gprs attach status sendFormated("AT+CGATT?\r\n"); if (OK != waitFinalResp()) return NOIP; // Check the profile int a = 0; sendFormated("AT+UPSND=" PROFILE ",8\r\n"); if (OK != waitFinalResp(_cbUPSND, &a)) return NOIP; if (a == 1) { // disconnect the profile already if it is connected sendFormated("AT+UPSDA=" PROFILE ",4\r\n"); if (OK != waitFinalResp()) return NOIP;; } // Set up the APN if (apn) { sendFormated("AT+UPSD=" PROFILE ",1,\"%s\"\r\n", apn); if (OK != waitFinalResp()) return NOIP; } if (user) { sendFormated("AT+UPSD=" PROFILE ",2,\"%s\"\r\n", user); if (OK != waitFinalResp()) return NOIP; } if (password) { sendFormated("AT+UPSD=" PROFILE ",3,\"%s\"\r\n", password); if (OK != waitFinalResp()) return NOIP; } // Set up the dynamic IP address assignment. sendFormated("AT+UPSD=" PROFILE ",7,\"0.0.0.0\"\r\n"); if (OK != waitFinalResp()) return NOIP; // Activate the profile and make connection sendFormated("AT+UPSDA=" PROFILE ",3\r\n"); if (OK != waitFinalResp()) return NOIP; //Get local IP address sendFormated("AT+UPSND=" PROFILE ",0\r\n"); if (OK != waitFinalResp(_cbUPSND, &_ip)) return NOIP; } return _ip; } int MDMParser::_cbCMIP(int type, const char* buf, int len, IP* ip) { if ((type == TYPE_PLUS) && ip) { int a,b,c,d; if (sscanf(buf, "\r\n+CMIP: " IPSTR, &a,&b,&c,&d) == 4) *ip = IPADR(a,b,c,d); } return WAIT; } int MDMParser::_cbUPSND(int type, const char* buf, int len, int* act) { if ((type == TYPE_PLUS) && act) { if (sscanf(buf, "\r\n+UPSND: %*d,%*d,%d", act) == 1) /*nothing*/; } return WAIT; } int MDMParser::_cbUPSND(int type, const char* buf, int len, IP* ip) { if ((type == TYPE_PLUS) && ip) { int a,b,c,d; // +UPSND=<profile_id>,<param_tag>[,<dynamic_param_val>] if (sscanf(buf, "\r\n+UPSND: " PROFILE ",0,\"" IPSTR "\"", &a,&b,&c,&d) == 4) *ip = IPADR(a,b,c,d); } return WAIT; } int MDMParser::_cbUDNSRN(int type, const char* buf, int len, IP* ip) { if ((type == TYPE_PLUS) && ip) { int a,b,c,d; if (sscanf(buf, "\r\n+UDNSRN: \""IPSTR"\"", &a,&b,&c,&d) == 4) *ip = IPADR(a,b,c,d); } return WAIT; } bool MDMParser::disconnect(void) { if (_ip == NOIP) return true; if (_dev.dev == DEV_LISA_C200) { // TODO: is there something to do here? } else { sendFormated("AT+UPSDA=" PROFILE ",4\r\n"); if (OK != waitFinalResp()) return false; } _ip = NOIP; return true; } MDMParser::IP MDMParser::gethostbyname(const char* host) { IP ip = NOIP; int a,b,c,d; if (sscanf(host, IPSTR, &a,&b,&c,&d) == 4) ip = IPADR(a,b,c,d); else { sendFormated("AT+UDNSRN=0,\"%s\"\r\n", host); if (OK != waitFinalResp(_cbUDNSRN, &ip)) return false; } return ip; } // ---------------------------------------------------------------- // sockets int MDMParser::_cbUSOCR(int type, const char* buf, int len, int* socket) { if ((type == TYPE_PLUS) && socket) { const char* p = strstr(buf,"+USOCR: "); if (p) *socket = atoi(p+8); } return WAIT; } int MDMParser::socketSocket(IpProtocol ipproto) { const char* cmd; if(ipproto == IPPROTO_TCP) { cmd = "AT+USOCR=6\r\n"; } else if(ipproto == IPPROTO_UDP) { cmd = "AT+USOCR=17\r\n"; } else { // other types not supported return SOCKET_ERROR; } sendFormated(cmd); int socket = -1; if (OK != waitFinalResp(_cbUSOCR, &socket)) return SOCKET_ERROR; if (!ISSOCKET(socket) || (_sockets[socket].state != SOCK_FREE)) return SOCKET_ERROR; // successfull _sockets[socket].state = SOCK_CREATED; _sockets[socket].pending = 0; return socket; } bool MDMParser::socketConnect(int socket, const char * host, int port) { IP ip = gethostbyname(host); if (ip == NOIP) return false; // connect to socket if (!ISSOCKET(socket) || (_sockets[socket].state != SOCK_CREATED)) return false; sendFormated("AT+USOCO=%d,\"" IPSTR "\",%d\r\n", socket, IPNUM(ip), port); if (OK != waitFinalResp()) return false; _sockets[socket].state = SOCK_CONNECTED; return true; } bool MDMParser::socketClose(int socket) { if (!ISSOCKET(socket) || (_sockets[socket].state != SOCK_CONNECTED)) return false; sendFormated("AT+USOCL=%d\r\n", socket); if (OK != waitFinalResp()) return false; return true; } bool MDMParser::socketFree(int socket) { socketClose(socket); if (!ISSOCKET(socket) || (_sockets[socket].state != SOCK_CREATED)) return false; _sockets[socket].state = SOCK_FREE; return true; } int MDMParser::socketSend(int socket, const char * buf, int len) { if(len > 0) { sendFormated("AT+USOWR=%d,%d\r\n",socket,len); if (PROMPT != waitFinalResp()) return SOCKET_ERROR; wait_ms(50); send(buf, len); if (OK != waitFinalResp()) return SOCKET_ERROR; } return len; } int MDMParser::socketSendTo(int socket, IP ip, int port, const char * buf, int len) { if(len > 0) { sendFormated("AT+USOWR=%d,\"" IPSTR "\",%d,%d\r\n",socket,IPNUM(ip),port,len); if (PROMPT != waitFinalResp()) return SOCKET_ERROR; wait_ms(50); send(buf, len); if (OK != waitFinalResp()) return SOCKET_ERROR; } return len; } int MDMParser::socketReadable(int socket) { if (!ISSOCKET(socket) || (_sockets[socket].state != SOCK_CONNECTED)) return SOCKET_ERROR; // allow to receive unsolicited commands waitFinalResp(NULL, NULL, 0); if (_sockets[socket].state != SOCK_CONNECTED) return SOCKET_ERROR; return _sockets[socket].pending; } int MDMParser::_cbUSORD(int type, const char* buf, int len, char* out) { if ((type == TYPE_PLUS) && out) { int sz, sk; if ((sscanf(buf, "\r\n+USORD: %d,%d,", &sk, &sz) == 2) && (buf[len-sz-2] == '\"') && (buf[len-1] == '\"')) { memcpy(out, &buf[len-1-sz], sz); } } return WAIT; } int MDMParser::socketRecv(int socket, char* buf, int len) { int cnt = 0; if (!ISSOCKET(socket)) return SOCKET_ERROR; memset(buf, '\0', len); while (len) { int blk = MAX_SIZE - 64; // still need space for headers and unsolicited commands if (_sockets[socket].state != SOCK_CONNECTED) return cnt ? cnt : SOCKET_ERROR; if (_sockets[socket].pending < blk) blk = _sockets[socket].pending; if (len < blk) blk = len; if (blk) { sendFormated("AT+USORD=%d,%d\r\n",socket, blk); if (OK != waitFinalResp(_cbUSORD, buf)) { return cnt ? cnt : SOCKET_ERROR; } len -= blk; cnt += blk; buf += blk; _sockets[socket].pending -= blk; } else { // allow to receive unsolicited commands waitFinalResp(NULL, NULL, 10); } } return cnt; } int MDMParser::_cbUSORF(int type, const char* buf, int len, USORFparam* param) { if ((type == TYPE_PLUS) && param) { int sz, sk, p, a,b,c,d; if ((sscanf(buf, "\r\n+USORF: %d,\""IPSTR"\",%d,%d,", &sk,&a,&b,&c,&d,&p,&sz) == 7) && (buf[len-sz-2] == '\"') && (buf[len-1] == '\"')) { memcpy(param->buf, &buf[len-1-sz], sz); param->ip = IPADR(a,b,c,d); param->port = p; } } return WAIT; } int MDMParser::socketRecvFrom(int socket, char* buf, int len, IP* ip) { int cnt = 0; if (!ISSOCKET(socket)) return SOCKET_ERROR; memset(buf, '\0', len); while (len) { int blk = MAX_SIZE - 64; // still need space for headers and unsolicited commands if (_sockets[socket].state != SOCK_CONNECTED) return cnt ? cnt : SOCKET_ERROR; if (_sockets[socket].pending < blk) blk = _sockets[socket].pending; if (len < blk) blk = len; if (blk) { sendFormated("AT+USORF=%d,%d\r\n",socket, blk); USORFparam param; param.buf = buf; if (OK != waitFinalResp(_cbUSORF, ¶m)) { return cnt ? cnt : SOCKET_ERROR; } *ip = param.ip; //*port = param.port; len -= blk; cnt += blk; buf += blk; _sockets[socket].pending -= blk; } else { // allow to receive unsolicited commands waitFinalResp(NULL, NULL, 10); } } return cnt; } // ---------------------------------------------------------------- int MDMParser::_cbCMGL(int type, const char* buf, int len, CMGLparam* param) { if ((type == TYPE_PLUS) && param && param->num) { // +CMGL: <ix>,... int ix; if (sscanf(buf, "\r\n+CMGL: %d,", &ix) == 1) { *param->ix++ = ix; param->num--; } } return WAIT; } int MDMParser::smsList(const char* stat /*= "ALL"*/, int* ix /*=NULL*/, int num /*= 0*/) { sendFormated("AT+CMGL=\"%s\"\r\n", stat); CMGLparam param; param.ix = ix; param.num = num; if (OK != waitFinalResp(_cbCMGL, ¶m)) return -1; return num - param.num; } bool MDMParser::smsSend(const char* num, const char* buf) { sendFormated("AT+CMGS=\"%s\"\r",num); if (PROMPT != waitFinalResp()) { return false; } send(buf, strlen(buf)); const char ctrlZ = 0x1A; send(&ctrlZ, sizeof(ctrlZ)); if (OK != waitFinalResp()) { return false; } return true; } bool MDMParser::smsDelete(int ix) { sendFormated("AT+CMGD=%d\r\n",ix); if (OK != waitFinalResp()) { return false; } return true; } int MDMParser::_cbCMGR(int type, const char* buf, int len, CMGRparam* param) { if (param) { if (type == TYPE_PLUS) { if (sscanf(buf, "\r\n+CMGR: \"%*[^\"]\",\"%[^\"]", param->num) == 1) { } } else if ((type == TYPE_UNKNOWN) && (buf[len-2] == '\r') && (buf[len-1] == '\n')) { memcpy(param->buf, buf, len-2); param->buf[len-2] = '\0'; } } return WAIT; } bool MDMParser::smsRead(int ix, char* num, char* buf, int len) { CMGRparam param; param.num = num; param.buf = buf; sendFormated("AT+CMGR=%d\r\n",ix); if (OK != waitFinalResp(_cbCMGR, ¶m)) { return false; } return true; } // ---------------------------------------------------------------- int MDMParser::_cbCUSD(int type, const char* buf, int len, char* resp) { if ((type == TYPE_PLUS) && resp) { // +USD: \"%*[^\"]\",\"%[^\"]\",,\"%*[^\"]\",%d,%d,%d,%d,\"*[^\"]\",%d,%d"..); if (sscanf(buf, "\r\n+CUSD: %*d,\"%[^\"]\",%*d", resp) == 1) { /*nothing*/ } } return WAIT; } bool MDMParser::ussdCommand(const char* cmd, char* buf) { *buf = '\0'; sendFormated("AT+CUSD=1,\"%s\"\r\n",cmd); if (OK != waitFinalResp(_cbCUSD, buf)) { return false; } return true; } // ---------------------------------------------------------------- int MDMParser::_parseMatch(Pipe<char>* pipe, int len, const char* sta, const char* end) { int o = 0; if (sta) { while (*sta) { if (++o > len) return WAIT; char ch = pipe->next(); if (*sta++ != ch) return NOT_FOUND; } } if (!end) return o; // no termination // at least any char if (++o > len) return WAIT; pipe->next(); // check the end int x = 0; while (end[x]) { if (++o > len) return WAIT; char ch = pipe->next(); x = (end[x] == ch) ? x + 1 : (end[0] == ch) ? 1 : 0; } return o; } int MDMParser::_parseFormated(Pipe<char>* pipe, int len, const char* fmt) { int o = 0; int num = 0; if (fmt) { while (*fmt) { if (++o > len) return WAIT; char ch = pipe->next(); if (*fmt == '%') { fmt++; if (*fmt == 'd') { // numeric fmt ++; num = 0; while (ch >= '0' && ch <= '9') { num = num * 10 + (ch - '0'); if (++o > len) return WAIT; ch = pipe->next(); } } else if (*fmt == 'c') { // char buffer (takes last numeric as length) fmt ++; while (num --) { if (++o > len) return WAIT; ch = pipe->next(); } } } if (*fmt++ != ch) return NOT_FOUND; } } return o; } int MDMParser::_getLine(Pipe<char>* pipe, char* buf, int len) { int unkn = 0; int sz = pipe->size(); int fr = pipe->free(); if (len > sz) len = sz; while (len > 0) { static struct { const char* fmt; int type; } lutF[] = { { "\r\n+USORD: %d,%d,\"%c\"", TYPE_PLUS }, { "\r\n+USORF: %d,\""IPSTR"\",%d,%d,\"%c\"", TYPE_PLUS }, }; static struct { const char* sta; const char* end; int type; } lut[] = { { "\r\nOK\r\n", NULL, TYPE_OK }, { "\r\nERROR\r\n", NULL, TYPE_ERROR }, { "\r\n+CME ERROR:", "\r\n", TYPE_ERROR }, { "\r\n+CMS ERROR:", "\r\n", TYPE_ERROR }, { "\r\nRING\r\n", NULL, TYPE_RING }, { "\r\nCONNECT\r\n", NULL, TYPE_CONNECT }, { "\r\nNO CARRIER\r\n", NULL, TYPE_NOCARRIER }, { "\r\nNO DIALTONE\r\n", NULL, TYPE_NODIALTONE }, { "\r\nBUSY\r\n", NULL, TYPE_BUSY }, { "\r\nNO ANSWER\r\n", NULL, TYPE_NOANSWER }, { "\r\n+", "\r\n", TYPE_PLUS }, { "\r\n@", NULL, TYPE_PROMPT }, // Sockets { "\r\n>", NULL, TYPE_PROMPT }, // SMS }; for (int i = 0; i < sizeof(lutF)/sizeof(*lutF); i ++) { pipe->set(unkn); int ln = _parseFormated(pipe, len, lutF[i].fmt); if (ln == WAIT && fr) return WAIT; if ((ln != NOT_FOUND) && (unkn > 0)) return TYPE_UNKNOWN | pipe->get(buf, unkn); if (ln > 0) return lutF[i].type | pipe->get(buf, ln); } for (int i = 0; i < sizeof(lut)/sizeof(*lut); i ++) { pipe->set(unkn); int ln = _parseMatch(pipe, len, lut[i].sta, lut[i].end); if (ln == WAIT && fr) return WAIT; if ((ln != NOT_FOUND) && (unkn > 0)) return TYPE_UNKNOWN | pipe->get(buf, unkn); if (ln > 0) return lut[i].type | pipe->get(buf, ln); } // UNKNOWN unkn ++; len--; } return WAIT; } // ---------------------------------------------------------------- // Serial Implementation // ---------------------------------------------------------------- MDMSerial::MDMSerial(PinName tx /*= MDMTXD*/, PinName rx /*= MDMRXD*/, int baudrate /*= MDMBAUD*/, #if DEVICE_SERIAL_FC PinName rts /*= MDMRTS*/, PinName cts /*= MDMCTS*/, #endif int rxSize /*= 256*/, int txSize /*= 128*/) : SerialPipe(tx, rx, rxSize, txSize) { baud(baudrate); #if DEVICE_SERIAL_FC if ((rts != NC) || (cts != NC)) { Flow flow = (cts == NC) ? RTS : (rts == NC) ? CTS : RTSCTS ; set_flow_control(flow, rts, cts); if (cts != NC) _dev.lpm = LPM_ENABLED; } #endif } int MDMSerial::_send(const void* buf, int len) { return put((const char*)buf, len, true/*=blocking*/); } int MDMSerial::getLine(char* buffer, int length) { return _getLine(&_pipeRx, buffer, length); } // ---------------------------------------------------------------- // USB Implementation // ---------------------------------------------------------------- #ifdef HAVE_MDMUSB // TODO properly implement with USB MDMUsb::MDMUsb(void) { } int MDMUsb::_send(const void* buf, int len) { return len; } int MDMUsb::getLine(char* buffer, int length) { return NOT_FOUND; } #endif