Proximity strip reader

Dependencies:   mbed sfh7779

Fork of StarterKit by Rick McConney

Revision:
40:45e4636d20cc
Parent:
39:3bbb3dbb531b
Child:
41:85a736a9b900
diff -r 3bbb3dbb531b -r 45e4636d20cc main.cpp
--- a/main.cpp	Tue Sep 27 15:45:21 2016 +0000
+++ b/main.cpp	Thu Sep 29 14:19:53 2016 +0000
@@ -45,7 +45,7 @@
 int mdm_dbgmask = MDM_DBG_OFF;
 
 Serial         pc(USBTX, USBRX);
-SerialBuffered mdm(PTD3, PTD2, 128);
+SerialBuffered mdm(PTD3, PTD2, 512);
 DigitalOut led_green(LED_GREEN);
 DigitalOut led_red(LED_RED);
 DigitalOut led_blue(LED_BLUE);
@@ -123,7 +123,7 @@
                 break;
             }
         }
-        wait_ms(1);
+        //wait_ms(1);
     }
     buff[len] = (char)NULL;
     
@@ -324,6 +324,65 @@
 int mdm_sendAtCmdRsp(const char *cmd, const char **rsp_list, int timeout_ms, string * rsp, int * len) {
     static char cmd_buf[3200];  // Need enough room for the WNC sockreads (over 3000 chars)
     size_t n = strlen(cmd);
+
+
+    if (cmd && n > 0) {
+        if (mdm_dbgmask & MDM_DBG_AT_CMDS) {
+            printf(MAG "ATCMD: " DEF "--> " GRN "%s" DEF "\n", cmd);
+        }
+        while (n--) {
+           // pc.printf("%c",*cmd);
+            mdm.putc(*cmd++);
+
+            //wait_ms(1);
+
+        };
+        mdm.putc('\r');
+
+       // wait_ms(1);
+        mdm.putc('\n');
+       // wait_ms(1);
+    }
+
+    if (rsp_list) {
+        rsp->erase(); // Clean up from prior cmd response
+        *len = 0;
+        Timer   timer;
+        timer.start();
+        while (timer.read_ms() < timeout_ms) {
+            int lenCmd = mdm_getline(cmd_buf, sizeof(cmd_buf), timeout_ms - timer.read_ms());
+
+            if (lenCmd == 0)
+                continue;
+
+            if (lenCmd < 0)
+                return MDM_ERR_TIMEOUT;
+            else {
+                *len += lenCmd;
+                *rsp += cmd_buf;
+            }
+
+            if (mdm_dbgmask & MDM_DBG_AT_CMDS) {
+                printf(MAG "ATRSP: " DEF "<-- " CYN "%s" DEF "\n", cmd_buf);
+            }
+
+            int rsp_idx = 0;
+            while (rsp_list[rsp_idx]) {
+                if (strcasecmp(cmd_buf, rsp_list[rsp_idx]) == 0) {
+                    return rsp_idx;
+                }
+                rsp_idx++;
+            }
+        }
+        return MDM_ERR_TIMEOUT;
+    }
+    pc.printf("D %s",rsp);
+    return MDM_OK;
+}
+
+int oldmdm_sendAtCmdRsp(const char *cmd, const char **rsp_list, int timeout_ms, string * rsp, int * len) {
+    static char cmd_buf[3200];  // Need enough room for the WNC sockreads (over 3000 chars)
+    size_t n = strlen(cmd);
     if (cmd && n > 0) {
         if (mdm_dbgmask & MDM_DBG_AT_CMDS) {
             printf(MAG "ATCMD: " DEF "--> " GRN "%s" DEF "\n", cmd);
@@ -459,12 +518,12 @@
 //********************************************************************************************************************************************
 //* Process JSON response messages
 //********************************************************************************************************************************************
-bool extract_JSON(char* search_field, char* found_string)
+bool extract_reply(char* search_field, char* found_string)
 {
     char* beginquote;
     char* endquote;
-    beginquote = strchr(search_field, '{'); //start of JSON
-    endquote = strchr(search_field, '}'); //end of JSON
+    beginquote = strstr(search_field, "\r\n\r\n"); //start of data
+    endquote = strchr(search_field, '\0');
     if (beginquote != 0)
     {
         uint16_t ifoundlen;
@@ -475,20 +534,11 @@
             found_string[ifoundlen] = 0; //null terminate
             return true;
         }
-        else
-        {
-            endquote = strchr(search_field, '\0'); //end of string...  sometimes the end bracket is missing
-            ifoundlen = (uint16_t) (endquote - beginquote) + 1;
-            strncpy(found_string, beginquote, ifoundlen );
-            found_string[ifoundlen] = 0; //null terminate
-            return false;
-        }
     }
-    else
-    {
-        return false;
-    }
-} //extract_JSON
+
+    return false;
+
+} //extract_reply
 
 void setPowerSave(bool on)
 {
@@ -505,28 +555,7 @@
     }
 }
 
-void parse_JSON_PSM(char* json_string)
-{
-    char* beginquote;
-    char token[] = "\"PSM\":\"";
-    beginquote = strstr(json_string, token );
-    if ((beginquote != 0))
-    {
-        char mode = beginquote[strlen(token)];
-        printf(GRN "PSM Found : %c" DEF "\r\n", mode);
-        switch(mode)
-        {
-            case 'T':
-            { setPowerSave(true);
-                break;
-            } 
-            case 'F':
-            { setPowerSave(false);
-                break;
-            }           
-        } 
-    }
-}
+
           
 
 int secToTau(int time)
@@ -616,7 +645,47 @@
     send_wnc_cmd(cmd_str.c_str(), &pRespStr, WNC_TIMEOUT_MS);
 }
 
+void checkSocket()
+{
+    string * pRespStr;
 
+    send_wnc_cmd("AT+CREG?", &pRespStr, WNC_TIMEOUT_MS);
+    pc.printf(pRespStr->c_str());
+ 
+}
+
+void parse_reply(char* reply)
+{
+    char *tokens[5];
+    int index = 0;
+    tokens[index++] = strtok(reply," ");  
+    while( index < 5 ) 
+    {    
+      char* token = strtok(NULL, " ");
+      if(token == NULL) break;
+      tokens[index++] = token;
+    }
+    if(strcmp("PSM",tokens[1]) == 0)
+    {
+
+        int t3412 = atoi(tokens[3]);
+        int t3324 = atoi(tokens[4]);
+        pc.printf("t3412 %d t3324 %d\r\n",t3412,t3324);
+        setTauTimer(t3412);
+        setActivityTimer(t3324);
+        
+        if(strcmp("true",tokens[2]) == 0)
+        {
+            pc.printf("PSM ON\r\n");
+            setPowerSave(true);
+        }
+        else
+        {
+            pc.printf("PSM OFF\r\n");
+            setPowerSave(false);
+        }
+    }        
+}
 
 int main() {
 
@@ -659,6 +728,7 @@
          
     //Software init
     software_init_mdm();
+    
  
     // Resolve URL to IP address to connect to
     resolve_mdm();
@@ -670,6 +740,7 @@
     
     setTauTimer(12*60*60);
     setActivityTimer(20);
+    setPowerSave(false);
    
     proximityStrip.init();
    
@@ -699,7 +770,9 @@
             GenerateModemString(&modem_string[0]);
             printf(BLU "Sending to modem : %s" DEF "\r\n", modem_string);
             wakeModem(); 
+            checkSocket();
             sockwrite_mdm(modem_string);
+            wakeModem();
             sockread_mdm(&MySocketData, 1024, 20);
             
             // If any non-zero response from server, make it GREEN one-time
@@ -711,11 +784,11 @@
                 //only copy on sucessful send
 
                 printf(BLU "Read back : %s" DEF "\r\n", &MySocketData[0]);
-                char myJsonResponse[512];
-                if (extract_JSON(&MySocketData[0], &myJsonResponse[0]))
+                char reply[512];
+                if (extract_reply(&MySocketData[0], &reply[0]))
                 {
-                    printf(GRN "JSON : %s" DEF "\r\n", &myJsonResponse[0]);
-                    parse_JSON_PSM(&myJsonResponse[0]);
+                    printf(GRN "JSON : %s" DEF "\r\n", &reply[0]);
+                    parse_reply(&reply[0]);
                 }
                 SetLedColor(0); // off             
             }