Fix CCID for SIM800, fixes #336

Signed-off-by: Sara Damiano <sdamiano@stroudcenter.org>

.github/ISSUE_TEMPLATE.md

@@ -22,7 +22,7 @@ with your board before submitting any issues.
 
 Main processor board: <!-- Uno, Zero, ESP32, Particle, etc -->
 Modem: <!-- Brand, model, variant, firmware version -->
-TinyGSM version: <!-- always try to use the latest (0.10.2) -->
+TinyGSM version: <!-- always try to use the latest (0.10.3) -->
 Code: <!-- Example name or paste in your code -->
 
 ### Scenario, steps to reproduce

library.json

@@ -1,6 +1,6 @@
 {
   "name": "TinyGSM",
-  "version": "0.10.2",
+  "version": "0.10.3",
   "description": "A small Arduino library for GPRS modules, that just works. Includes examples for Blynk, MQTT, File Download, and Web Client. Supports many GSM, LTE, and WiFi modules with AT command interfaces.",
   "keywords": "GSM, AT commands, AT, SIM800, SIM900, A6, A7, M590, ESP8266, SIM7000, SIM800A, SIM800C, SIM800L, SIM800H, SIM808, SIM868, SIM900A, SIM900D, SIM908, SIM968, M95, MC60, MC60E, BG96, ublox, Quectel, SIMCOM, AI Thinker, LTE, LTE-M",
   "authors":

library.properties

@@ -1,5 +1,5 @@
 name=TinyGSM
-version=0.10.2
+version=0.10.3
 author=Volodymyr Shymanskyy
 maintainer=Volodymyr Shymanskyy
 sentence=A small Arduino library for GPRS modules, that just works.

src/TinyGsmClientSIM800.h

@@ -392,7 +392,19 @@ class TinyGsmSim800 : public TinyGsmModem<TinyGsmSim800>,
    * SIM card functions
    */
  protected:
-  // Able to follow all SIM card functions as inherited from the template
+  // May not return the "+CCID" before the number
+  String getSimCCIDImpl() {
+    sendAT(GF("+CCID"));
+    if (waitResponse(GF(GSM_NL)) != 1) {
+      return "";
+    }
+    String res = stream.readStringUntil('\n');
+    waitResponse();
+    // Trim out the CCID header in case it is there
+    res.replace("CCID:", "");
+    res.trim();
+    return res;
+  }
 
   /*
    * Phone Call functions

src/TinyGsmCommon.h

@@ -10,7 +10,7 @@
 #define SRC_TINYGSMCOMMON_H_
 
 // The current library version number
-#define TINYGSM_VERSION "0.10.2"
+#define TINYGSM_VERSION "0.10.3"
 
 #if defined(SPARK) || defined(PARTICLE)
 #include "Particle.h"