Xinlei Cao
Own fork of C027_Support
Dependents: MbedSmartRestMain MbedSmartRestMain
Fork of
C027_Support
by 
u-blox
Diff: MDM.cpp
- Revision:
- 21:c4d64830bf02
- Parent:
- 19:2b5d097ca15d
- Child:
- 22:29322c22577e
--- a/MDM.cpp Mon Mar 24 07:38:05 2014 +0000
+++ b/MDM.cpp Tue Apr 08 09:15:37 2014 +0000
@@ -2,68 +2,847 @@
#include <ctype.h>
#include "MDM.h"
+#define TRACE (1)?:printf
+//#define DEBUG
+#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))))
+#define IPSTR "%d.%d.%d.%d"
+#define IPNUM(addr) (addr>>24)&0xff, (addr>>16)&0xff, (addr>>8)&0xff, addr&0xff
+#define IPADR(a,b,c,d) ((a<<24) | (b<<16) | (c<<8) | d)
+
+#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);
+ }
+}
+#endif
+
+MDMParser::MDMParser(void)
+{
+ _model = MODEL_UNKNOWN;
+ _sim = SIM_UNKNOWN;
+ _net = NET_UNKNOWN;
+ _ip = 0;
+ _rssi = 0;
+ for (int socket = 0; socket < sizeof(_sockets)/sizeof(*_sockets); socket++) {
+ _sockets[socket].state = SOCK_FREE;
+ _sockets[socket].pending = 0;
+ }
+}
int MDMParser::send(const char* buf, int len)
{
+#ifdef DEBUG
+ printf(" send \"");
+ dump(buf,len);
+ printf("\"\n");
+#endif
return _send(buf, len);
}
-int MDMParser::_getLine(Pipe<char>* pipe, char* buffer, int length)
-{
- int o = 0;
- int i = 0;
- int l = pipe->start();
- while ((i < l) && (o < length))
- {
- int t = pipe->next();
- i ++;
- if (t == '\r') // terminate commands with carriage return
+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(_CB 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))
+ {
+ printf(" line %06X \"", ret);
+ dump(buf, LENGTH(ret));
+ printf("\"\n");
+ }
+#endif
+ if ((ret != WAIT) && (ret != NOT_FOUND))
{
- pipe->done();
- if (length > o)
- buffer[o] = '\0';
- return o; // if enter send the zero char
+ 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, c, d;
+ char s[8];
+
+ // +CSQ: <rssi>,<qual>
+ if (sscanf(cmd, "CSQ: %d,%d",&a,&b) == 2) {
+ if (a != 99) _rssi = -113 - 2*a; // 0: -113 1: -111 ... 30: -53 dBm with 2 dBm steps
+ //if (b != 99) int qual = b; //
+ // 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\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\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\n", a);
+ _sockets[a].state = SOCK_CREATED/*=CLOSED*/;
+ }
+ if (_model == MODEL_LISA_C200) {
+ // CDMA Specific -------------------------------------------
+ // +CREG: <n><SID>,<NID>,<stat>
+ if (sscanf(cmd, "CREG: %*d,%*d,%*d,%d",&a) == 1) {
+ if (a == 0) _net = NET_NONE; // not registered, home network
+ else if (a == 1) _net = NET_HOME; // registered, home network
+ else if (a == 2) _net = NET_NONE; // not registered, but MT is currently searching a new operator to register to
+ else if (a == 3) _net = NET_DENIED; // registration denied
+ else if (a == 5) _net = NET_ROAMING; // registered, roaming
+ // +CSS: <mode>[,<format>,<oper>[,<AcT>]]
+ } else if (sscanf(cmd, "CSS %*c,%2s,%*d",s) == 1) {
+ //_net = (strcmp("Z", s) == 0) ? NET_UNKNOWN : NET_HOME;
+ // +CMIP: xxx.xxx.xxx.xxx
+ } else if (sscanf(cmd, "CMIP: " IPSTR, &a,&b,&c,&d) == 4) {
+ _ip = IPADR(a,b,c,d);
+ }
+ } 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 = NET_NONE; // 0: not registered, home network
+ else if (a == 1) _net = NET_HOME; // 1: registered, home network
+ else if (a == 2) _net = NET_NONE; // 2: not registered, but MT is currently searching a new operator to register to
+ else if (a == 3) _net = NET_DENIED; // 3: registration denied
+ else if (a == 4) _net = NET_UNKNOWN; // 4: unknown
+ else if (a == 5) _net = NET_ROAMING; // 5: registered, roaming
+ // access technology
+ if (b == 0) ; // 0: GSM
+ else if (b == 1) ; // 1: GSM COMPACT
+ else if (b == 2) ; // 2: UTRAN
+ else if (b == 3) ; // 3: GSM with EDGE availability
+ else if (b == 4) ; // 4: UTRAN with HSDPA availability
+ else if (b == 5) ; // 5: UTRAN with HSUPA availability
+ else if (b == 6) ; // 6: UTRAN with HSDPA and HSUPA availability
+ // +COPS: <mode>[,<format>,<oper>[,<AcT>]]
+ } else if (sscanf(cmd, "COPS: %*d,%*d,\"%*[^\"]\",%d",&a) == 1) {
+ // if (a == 0) ; // 0: GSM,
+ // else if (a == 2) ; // 2: UTRAN
+ // +CPIN: <code>
+ } else if (sscanf(cmd, "CPIN: %8s",s) == 1) {
+ _sim = (strcmp("READY", s) == 0) ? SIM_READY : SIM_UNKNOWN;
+ // +UPSND=<profile_id>,<param_tag>[,<dynamic_param_val>]
+ } else if (sscanf(cmd, "UPSND: " PROFILE ",0,\"" IPSTR "\"", &a,&b,&c,&d) == 4) {
+ _ip = IPADR(a,b,c,d);
+ // +UUPSDD: <profile_id>
+ } else if (sscanf(cmd, "UUPSDD: %d",&a) == 1) {
+ if (*PROFILE == a) _ip = 0;
+ }
+ }
+ }
+ 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::_cbATI(int type, const char* buf, int len, Model* model)
+{
+ if ((type == TYPE_UNKNOWN) && model) {
+ if (strstr(buf, "SARA-G350")) {
+ *model = MODEL_SARA_G350;
+ } else if (strstr(buf, "LISA-U200")) {
+ *model = MODEL_LISA_U200;
+ } else if (strstr(buf, "LISA-C200")) {
+ *model= MODEL_LISA_C200;
+ }
+ }
+ return WAIT;
+}
+
+bool MDMParser::init(const char* pin)
+{
+ for(int i = 0; i < 5; i++) {
+ // check interface and disable local echo
+ sendFormated("AT\r\n");
+ if(OK == waitFinalResp())
+ break;
+ }
+ // 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);
+ // disable flow control
+ sendFormated("AT&K0\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ // identify the module
+ sendFormated("ATI\r\n");
+ if (OK != waitFinalResp((_CB)_cbATI, &_model))
+ return false;
+ if (_model == MODEL_UNKNOWN)
+ return false;
+ // model specific init
+ if (_model == MODEL_LISA_C200) {
+ // Return the pseudo ESN or MEID
+ sendFormated("AT+GSN\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ } else {
+ // enable power saving
+ sendFormated("AT+UPSV=1\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ // enable the network identification feature
+ if (_model == MODEL_LISA_U200) {
+ sendFormated("AT+UGPIOC=20,2\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ } else {
+ sendFormated("AT+UGPIOC=16,2\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ }
+ // Enter PIN if needed
+ if (pin) {
+ sendFormated("AT+CPIN=%s\r\n", pin);
+ if (OK != waitFinalResp())
+ return false;
}
- else if (t == '\n') // skip/filter new line
- /* skip */;
- else if (t != '\b') // normal char (no backspace)
- buffer[o++] = t;
- else if (o > 0) // backspace
- o --; // remove it
+ // check the sim card
+ for (int i = 0; i < 5; i++) {
+ sendFormated("AT+CPIN?\r\n");
+ int ret = waitFinalResp();
+ if ((OK != ret) && (ERROR != ret))
+ return false;
+ if (_sim != SIM_UNKNOWN)
+ break;
+ wait_ms(1000);
+ }
+ if (_sim != SIM_READY)
+ 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())
+ return false;
+ // Returns the product serial number, IMEI (International Mobile Equipment Identity)
+ sendFormated("AT+CGSN\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ // Setup SMS in text mode
+ sendFormated("AT+CMGF=1\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ // Configure New message indication
+ //sendFormated("AT+CNMI=2,1,0,0,0\r\n");
+ //if (OK != waitFinalResp())
+ // return false;
+
+ }
+ // Request IMSI (International Mobile Subscriber Identification)
+ sendFormated("AT+CIMI\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ return true;
+}
+
+bool MDMParser::checkNetStatus(void)
+{
+ // check registration
+ sendFormated("AT+CREG?\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ if ((_net != NET_ROAMING) && (_net != NET_HOME))
+ return false;
+ // check modem specific status messages
+ if (_model == MODEL_LISA_C200) {
+ sendFormated("AT+CSS?\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ if ((_net != NET_ROAMING) && (_net != NET_HOME))
+ return false;
+ } else {
+ // check operator selection
+ sendFormated("AT+COPS?\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ // Returns the MSISDNs related to this subscriber
+ sendFormated("AT+CNUM\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ }
+ // Returns the signal strength indication
+ sendFormated("AT+CSQ\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ return true;
+}
+
+bool MDMParser::powerOff(void)
+{
+ sendFormated("AT+CPWROFF\r\n");
+ if (OK != waitFinalResp(NULL,NULL,120))
+ return false;
+ return true;
+}
+
+// ----------------------------------------------------------------
+// internet connection
+
+IP MDMParser::strToIp(const char* str)
+{
+ IP ip = 0;
+ char* p = (char*)str;
+ for(int i = 0; i < 4; i++) {
+ ip |= atoi(p);
+ p = strchr(p, '.');
+ if (p == NULL) {
+ break;
+ }
+ ip <<= 8;
+ p++;
}
- o = 0;
- if (length > 0)
- buffer[0] = '\0';
+ return ip;
+}
+
+bool MDMParser::join(const char* apn, const char* user /*= NULL*/, const char* password /*= NULL*/)
+{
+ if (_model == MODEL_LISA_C200) {
+#ifdef TODO // TODO implement
+ // enable the
+ sendFormated("AT$QCMIPEP=1\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ //Get local IP address
+ sendFormated("AT+CMIP?\r\n");
+ if (OK != waitFinalResp())
+ return false;
+#endif
+ } else {
+ // check gprs attach status
+ sendFormated("AT+CGATT?\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ // Set up the APN
+ if (apn) {
+ sendFormated("AT+UPSD=" PROFILE ",1,\"%s\"\r\n", apn);
+ if (OK != waitFinalResp())
+ return false;
+ }
+ if (user) {
+ sendFormated("AT+UPSD=" PROFILE ",2,\"%s\"\r\n", user);
+ if (OK != waitFinalResp())
+ return false;
+ }
+ if (password) {
+ sendFormated("AT+UPSD=" PROFILE ",3,\"%s\"\r\n", password);
+ if (OK != waitFinalResp())
+ return false;
+ }
+ // Set up the dynamic IP address assignment.
+ sendFormated("AT+UPSD=" PROFILE ",7,\"0.0.0.0\"\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ // Activate the profile and make connection
+ sendFormated("AT+UPSDA=" PROFILE ",3\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ //Get local IP address
+ sendFormated("AT+UPSND=" PROFILE ",0\r\n");
+ if (OK != waitFinalResp())
+ return false;
+ }
+ if (!_ip)
+ return false;
+ printf("Got IP address: " IPSTR "\n", IPNUM(_ip));
+ return true;
+}
+
+bool MDMParser::disconnect(void)
+{
+ if (_ip == 0)
+ return true;
+ if (_model == MODEL_LISA_C200) {
+#ifdef TODO // TODO implement
+ sendFormated("AT$QCMIPEP=0\r\n");
+#endif
+ } else {
+ sendFormated("AT+UPSDA=" PROFILE ",4\r\n");
+ }
+ if (OK != waitFinalResp())
+ return false;
+ _ip = 0;
+ return true;
+}
+
+int MDMParser::_cbUDNSRN(int type, const char* buf, int len, IP* ip)
+{
+ if ((type == TYPE_PLUS) && ip) {
+ buf += 3;
+ int a,b,c,d;
+ if (sscanf(buf, "UDNSRN: \""IPSTR"\"", &a,&b,&c,&d) == 4)
+ *ip = IPADR(a,b,c,d);
+ }
return WAIT;
}
-int MDMParser::_getResp(Pipe<char>* pipe, char* buffer, int length)
+bool MDMParser::gethostbyname(const char* host, IP* ip)
+{
+ char ipstr[16];
+ IP addr = strToIp(host);
+ *ip = 0;
+ snprintf(ipstr, sizeof(ipstr), IPSTR, IPNUM(addr));
+ if (strcmp(ipstr, host) == 0) {
+ *ip = addr;
+ return true;
+ }
+ sendFormated("AT+UDNSRN=0,\"%s\"\r\n", host);
+ if (OK != waitFinalResp((_CB)_cbUDNSRN, ip))
+ return false;
+ return *ip != 0;
+}
+
+// ----------------------------------------------------------------
+// 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((_CB)_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;
+ if (!gethostbyname(host, &ip))
+ 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((_CB)_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((_CB)_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;
+}
+
+// ----------------------------------------------------------------
+#if 0
+void _cbCMGL()
+{
+ //
+}
+
+int MDMParser::smsCount(void)
+{
+ int num = 0;
+ sendFormated("AT+CMGL=ALL\r\n");
+ if (OK != waitFinalResp((_CB)_cbCMGL,&num)) {
+ return false;
+ }
+ return true;
+}
+#endif
+
+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((_CB)_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;
+}
+int MDMParser::ussdCommand(const char* cmd, char* buf, int len)
+{
+ *buf = '\0';
+ sendFormated("AT+CUSD=1,\"%s\"\r\n",cmd);
+ if (OK != waitFinalResp((_CB)_cbCUSD, buf)) {
+ return -1;
+ }
+ return strlen(buf);
+}
+
+
+// ----------------------------------------------------------------
+int MDMParser::_parseMatch(Pipe<char>* pipe, int len, const char* sta, const char* end)
{
int o = 0;
- int i = 0;
- int l = pipe->start();
- static const char erTxt[] = "ERROR\r\n";
- static const char okTxt[] = "OK\r\n";
- int er = 0;
- int ok = 0;
- while ((i < pipe->size()) && (o < length))
- {
- int t = pipe->next();
- i ++;
- buffer[o++] = t;
- ok = (t == okTxt[ok]) ? ok + 1 : 0;
- er = (t == erTxt[er]) ? er + 1 : 0;
- if ((okTxt[ok] == '\0') || (erTxt[er] == '\0'))
- {
- pipe->done();
- if (length > o)
- buffer[o] = '\0';
- return o;
+ 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
+ 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;
}
}
- o = 0;
- if (length > 0)
- buffer[0] = '\0';
+ 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 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 pipe->get(buf, unkn);
+ if (ln > 0)
+ return lut[i].type | pipe->get(buf, ln);
+ }
+ // UNKNOWN
+ unkn ++;
+ len--;
+ }
return WAIT;
}
@@ -96,11 +875,6 @@
return _getLine(&_pipeRx, buffer, length);
}
-int MDMSerial::getResp(char* buffer, int length)
-{
- return _getResp(&_pipeRx, buffer, length);
-}
-
// ----------------------------------------------------------------
// USB Implementation
// ----------------------------------------------------------------
@@ -110,5 +884,4 @@
MDMUsb::MDMUsb(void) { }
int MDMUsb::_send(const void* buf, int len) { return len; }
int MDMUsb::getLine(char* buffer, int length) { return NOT_FOUND; }
-int MDMUsb::getResp(char* buffer, int length) { return NOT_FOUND; }
#endif
\ No newline at end of file