Diff: MDM.cpp

Revision:

74:208e3e32d263

Parent:

73:2b32e0a21df2

Child:

75:ce6e12067d0c

diff -r 2b32e0a21df2 -r 208e3e32d263 MDM.cpp
--- a/MDM.cpp	Thu May 15 08:25:45 2014 +0000
+++ b/MDM.cpp	Thu May 15 22:20:42 2014 +0000
@@ -2,30 +2,34 @@
 #include <ctype.h>
 #include <string.h>
 #include "MDM.h"
+#include "Relax.h"
+#ifdef TARGET_UBLOX_C027
+ #include "C027_api.h"
+#endif
 
-#define TRACE           (1/*1=off,0=trace*/)?:printf
-//#define DEBUG         // enable this for AT command debugging
-#define PROFILE         "0"   // this is the psd profile used
-// some helper 
+#define PROFILE         "0"   //!< this is the psd profile used
+#define MAX_SIZE        128   //!< max expected messages
+//! test if it is a socket
 #define ISSOCKET(s)     (((s) >= 0) && ((s) < (sizeof(_sockets)/sizeof(*_sockets))))
-#define WAIT_MS(ms)     wait_ms(ms) // you may choose to use Thread::wait(ms)
 
-#define MAX_SIZE        128   // max expected messages
 
-#ifdef DEBUG
-void dump(const char* buf, int len)
+#ifdef MDM_DEBUG
+void dumpAtCmd(const char* buf, int len)
 {
+    printf(" %3d \"", len);
     while (len --) {
         char ch = *buf++;
-        if      (ch == '\r') printf("\\r");
-        else if (ch == '\n') printf("\\n");
-        else if (ch >= 0x20) printf("%c", ch);
+        if      (ch == '\r') puts("\\r");
+        else if (ch == '\n') puts("\\n");
+        else if (ch >= 0x20) putchar(ch);
         else                 printf("\\x%02x", ch);
     }
+    puts("\"\r\n");
 }
-
-Timer dbgTime; 
-
+ 
+ #define INFO  (_debugLevel >= 1) ? : printf
+ #define TRACE (_debugLevel >= 2) ? : printf
+ 
  #if 1 // colored terminal output using ANSI escape sequences
   #define COL(c,t) "\33[" c t "\33[" "39m"
  #else
@@ -39,6 +43,12 @@
  #define MAG(t) COL("35m",t)
  #define CYA(t) COL("36m",t)
  #define WHY(t) COL("37m",t)
+ 
+#else
+ 
+ #define INFO(...)  (void)0 // no tracing
+ #define TRACE(...) (void)0 // no tracing
+
 #endif
 
 MDMParser* MDMParser::inst;
@@ -52,18 +62,27 @@
     _net.ci = 0xFFFFFFFF;
     _ip        = NOIP;
     memset(_sockets, 0, sizeof(_sockets));
-#ifdef DEBUG
-    dbgTime.start();    
+#ifdef MDM_DEBUG
+    _debugTime.start();
+#endif
+}
+
+MDMParser::~MDMParser(void)
+{
+    powerOff();
+#ifdef TARGET_UBLOX_C027
+    if (_onboard)
+        c027_mdm_powerOff();
 #endif
 }
 
 int MDMParser::send(const char* buf, int len)
 {
-#ifdef DEBUG
-    printf("%10.3f ", dbgTime.read_ms()*0.001);
-    printf("AT send    %4d \"", len);
-    dump(buf,len);
-    printf("\"\r\n");
+#ifdef MDM_DEBUG
+    if (_debugLevel >= 3) {
+        printf("%10.3f AT send    ", _debugTime.read_ms()*0.001);
+        dumpAtCmd(buf,len);
+    }
 #endif
     return _send(buf, len);
 }
@@ -86,8 +105,8 @@
     timer.start();
     do {
         int ret = getLine(buf, sizeof(buf));
-#ifdef DEBUG
-        if ((ret != WAIT) && (ret != NOT_FOUND))
+#ifdef MDM_DEBUG
+        if ((_debugLevel >= 3) && (ret != WAIT) && (ret != NOT_FOUND))
         {
             int len = LENGTH(ret);
             int type = TYPE(ret);
@@ -98,10 +117,8 @@
                             (type == TYPE_PLUS)   ? CYA(" + ") : 
                             (type == TYPE_PROMPT) ? BLU(" > ") : 
                                                         "..."  ;
-            printf("%10.3f ", dbgTime.read_ms()*0.001);
-            printf("AT read %s %3d \"", s, len);
-            dump(buf, len);
-            printf("\"\r\n");
+            printf("%10.3f AT read %s", _debugTime.read_ms()*0.001, s);
+            dumpAtCmd(buf, len);
         }
 #endif        
         if ((ret != WAIT) && (ret != NOT_FOUND))
@@ -193,7 +210,7 @@
             }
         }
         // relax a bit
-        WAIT_MS(10); 
+        RELAX_MS(10); 
     }
     while ((timeout_ms == TIMEOUT_BLOCKING) || 
            (timer.read_ms() < timeout_ms));
@@ -225,46 +242,60 @@
 bool MDMParser::connect(
             const char* simpin, 
             const char* apn, const char* username, const char* password,
-            bool dump)
+            PinName pn)
 {
     DevStatus devStatus = {};
-    WAIT_MS(2000);
-    bool mdmOk = init(simpin, &devStatus);
-    if (dump) dumpDevStatus(&devStatus);
+    bool mdmOk = init(simpin, &devStatus, pn);  
+#ifdef MDM_DEBUG
+    if (_debugLevel >= 1) dumpDevStatus(&devStatus);
+#endif
     if (!mdmOk)
         return false;
     // wait until we are connected
-    int i = 60;
+    int i = 180;
     NetStatus netStatus = {};
+    INFO("Modem::register\r\n");
     while (!checkNetStatus(&netStatus))
     {
         if ((netStatus.reg == REG_DENIED) || (i == 0))
             break;;
         i --;
-        WAIT_MS(1000);
+        RELAX_MS(1000);
     }
-    if (dump) dumpNetStatus(&netStatus);
+#ifdef MDM_DEBUG
+    if (_debugLevel >= 1) dumpNetStatus(&netStatus);
+#endif
     if ((netStatus.reg == REG_DENIED) || (i == 0))
         return false;
     IP ip = join(apn,username,password);
-    if (dump) dumpIp(ip);
+#ifdef MDM_DEBUG
+    if (_debugLevel >= 1) dumpIp(ip);
+#endif
     if (ip == NOIP)
         return false; 
     return true;
 }
 
-bool MDMParser::init(const char* simpin, DevStatus* status)
+bool MDMParser::init(const char* simpin, DevStatus* status, PinName pn)
 {
-    int i = 5;
-    // we should wait some time before 
-    while (i--) {
-        // check interface and disable local echo
-        sendFormated("AT\r\n");
-        if(RESP_OK == waitFinalResp(NULL,NULL,1000))
-            break;
+    int i = 10;
+    if (pn != NC) {
+        INFO("Modem::wakeup\r\n");
+        DigitalOut pin(pn, 1);
+        while (i--) {
+            pin = 0;
+            RELAX_MS(5); // SARA-G/U
+            pin = 1;
+            RELAX_MS(100);
+            // check interface and disable local echo
+            sendFormated("AT\r\n");
+            if(RESP_OK == waitFinalResp(NULL,NULL,500))
+                break;
+        }
+        if (i < 0)
+            return false;
     }
-    if (i < 0)
-        return false;
+    INFO("Modem::init\r\n");
     // echo off
     sendFormated("AT E0\r\n");
     if(RESP_OK != waitFinalResp())
@@ -277,7 +308,7 @@
     sendFormated("AT+IPR=115200\r\n");
     if (RESP_OK != waitFinalResp())
         return false;
-    WAIT_MS(40);
+    RELAX_MS(40);
     // identify the module 
     sendFormated("ATI\r\n");
     if (RESP_OK != waitFinalResp(_cbATI, &_dev.dev))
@@ -334,14 +365,14 @@
             // Enter PIN if needed
             if (_dev.sim == SIM_PIN) {
                 if (!simpin) {
-                    TRACE("SIM PIN not available\r\n");
+                    INFO("SIM PIN not available\r\n");
                     return false;
                 }
                 sendFormated("AT+CPIN=%s\r\n", simpin);
                 if (RESP_OK != waitFinalResp(_cbCPIN, &_dev.sim))
                     return false;
             } else if (_dev.sim != SIM_READY) {
-                WAIT_MS(1000);
+                RELAX_MS(1000);
             }
         }
         if (_dev.sim != SIM_READY)
@@ -403,6 +434,15 @@
     return true; 
 }
 
+bool MDMParser::powerOff(void)
+{
+    INFO("Modem::powerOff\r\n");
+    sendFormated("AT+CPWROFF\r\n");
+    if (RESP_OK != waitFinalResp(NULL,NULL,120*1000))
+        return false;
+    return true;
+}
+
 int MDMParser::_cbATI(int type, const char* buf, int len, Dev* dev)
 {
     if ((type == TYPE_UNKNOWN) && dev) {
@@ -538,19 +578,13 @@
     }
     return WAIT;
 }
-bool MDMParser::powerOff(void)
-{
-    sendFormated("AT+CPWROFF\r\n");
-    if (RESP_OK != waitFinalResp(NULL,NULL,120))
-        return false;
-    return true;
-}
 
 // ----------------------------------------------------------------
 // internet connection 
 
 MDMParser::IP MDMParser::join(const char* apn /*= NULL*/, const char* username /*= NULL*/, const char* password /*= NULL*/)
 {
+    TRACE("Modem::join\r\n");
     _ip = NOIP;
     if (_dev.dev == DEV_LISA_C200) {
         // TODO: is there something to do here?
@@ -565,7 +599,7 @@
     } else { 
         // check gprs attach status 
         sendFormated("AT+CGATT=1\r\n");
-        if (RESP_OK != waitFinalResp(NULL,NULL,3*60*1000))
+        if (RESP_OK != waitFinalResp(NULL,NULL,3*60*1000)) 
             return NOIP;
         
         // Check the profile
@@ -601,8 +635,10 @@
             return NOIP;
         // Activate the profile and make connection
         sendFormated("AT+UPSDA=" PROFILE ",3\r\n");
-        if (RESP_OK != waitFinalResp(NULL,NULL,150*1000))
+        if (RESP_OK != waitFinalResp(NULL,NULL,150*1000)) {
+            INFO("Your modem APN/password/username may be wrong\r\n");
             return NOIP;
+        }
         //Get local IP address
         sendFormated("AT+UPSND=" PROFILE ",0\r\n");
         if (RESP_OK != waitFinalResp(_cbUPSND, &_ip))
@@ -655,6 +691,7 @@
 {
     if (_ip == NOIP)
         return true;
+    INFO("Modem::disconnect\r\n");
     if (_dev.dev == DEV_LISA_C200) {
         // TODO: is there something to do here?
     } else { 
@@ -738,7 +775,6 @@
     TRACE("socketIsConnected(%d)\r\n", socket);
     if (!ISSOCKET(socket))
         return false;
-    TRACE(" ... %d\r\n", _sockets[socket].state);
     return _sockets[socket].state == SOCK_CONNECTED;
 }
 
@@ -786,7 +822,7 @@
         sendFormated("AT+USOWR=%d,%d\r\n",socket,blk);
         if (RESP_PROMPT != waitFinalResp())
             return SOCKET_ERROR;
-        WAIT_MS(50);
+        RELAX_MS(50);
         send(buf, blk);
         if (RESP_OK != waitFinalResp()) 
             return SOCKET_ERROR;
@@ -807,7 +843,7 @@
        sendFormated("AT+USOST=%d,\"" IPSTR "\",%d,%d\r\n",socket,IPNUM(ip),port,blk);
         if (RESP_PROMPT != waitFinalResp())
             return SOCKET_ERROR;
-        WAIT_MS(50);
+        RELAX_MS(50);
         send(buf, blk);
         if (RESP_OK != waitFinalResp())
             return SOCKET_ERROR;
@@ -1034,7 +1070,17 @@
 }
    
 // ----------------------------------------------------------------
- 
+bool MDMParser::setDebug(int level) 
+{
+#ifdef MDM_DEBUG
+    if ((_debugLevel >= 0) && (level >= 0)) {
+        _debugLevel = level;
+        return true;
+    }
+#endif
+    return false;
+}
+
 void MDMParser::dumpDevStatus(MDMParser::DevStatus* status, 
             _DPRINT dprint, void* param) 
 {
@@ -1158,7 +1204,6 @@
     return o; 
 }
 
-
 int MDMParser::_getLine(Pipe<char>* pipe, char* buf, int len)
 {
     int unkn = 0;
@@ -1230,6 +1275,14 @@
             int rxSize /*= 256*/, int txSize /*= 128*/) : 
             SerialPipe(tx, rx, rxSize, txSize) 
 {
+#ifdef MDM_DEBUG
+    _debugLevel = (tx == USBTX) ? -1 : 1;
+#endif    
+#ifdef TARGET_UBLOX_C027
+    _onboard = (tx == MDMTXD) && (rx == MDMRXD);
+    if (_onboard)
+       c027_mdm_powerOn(false);
+#endif
     baud(baudrate);
 #if DEVICE_SERIAL_FC
     if ((rts != NC) || (cts != NC))
@@ -1257,8 +1310,16 @@
 // ----------------------------------------------------------------
 
 #ifdef HAVE_MDMUSB
-// TODO properly implement with USB 
-MDMUsb::MDMUsb(void)                             { }
+MDMUsb(void)                             
+{ 
+#ifdef MDM_DEBUG
+    _debugLevel = 1;
+#endif    
+#ifdef TARGET_UBLOX_C027
+    _onboard = true;
+    c027_mdm_powerOn(true);
+#endif
+}
 int MDMUsb::_send(const void* buf, int len)      { return len; }
 int MDMUsb::getLine(char* buffer, int length)    { return NOT_FOUND; }
 #endif