From e37b2a62e4be3f530db59bb055bebe0409f74f5b Mon Sep 17 00:00:00 2001
From: Volodymyr Shymanskyy <vshymanskyi@gmail.com>
Date: Sat, 2 Sep 2017 19:26:54 +0300
Subject: [PATCH] Add stream.flush(); here and there

---
 TinyGsmClientESP8266.h | 1 +
 TinyGsmClientM590.h    | 3 ++-
 TinyGsmClientSIM800.h  | 2 ++
 3 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/TinyGsmClientESP8266.h b/TinyGsmClientESP8266.h
index 28bfc9f..75155b2 100644
--- a/TinyGsmClientESP8266.h
+++ b/TinyGsmClientESP8266.h
@@ -251,6 +251,7 @@ private:
       return -1;
     }
     stream.write((uint8_t*)buff, len);
+    stream.flush();
     if (waitResponse(GF(GSM_NL "SEND OK" GSM_NL)) != 1) {
       return -1;
     }
diff --git a/TinyGsmClientM590.h b/TinyGsmClientM590.h
index 3e79fbc..47eb014 100644
--- a/TinyGsmClientM590.h
+++ b/TinyGsmClientM590.h
@@ -411,6 +411,7 @@ public:
     }
     stream.print(text);
     stream.write((char)0x1A);
+    stream.flush();
     return waitResponse(60000L) == 1;
   }
 
@@ -466,7 +467,7 @@ private:
     }
     stream.write((uint8_t*)buff, len);
     stream.write((char)0x0D);
-
+    stream.flush();
     if (waitResponse(30000L, GF(GSM_NL "+TCPSEND:")) != 1) {
       return 0;
     }
diff --git a/TinyGsmClientSIM800.h b/TinyGsmClientSIM800.h
index b341b51..20af6db 100644
--- a/TinyGsmClientSIM800.h
+++ b/TinyGsmClientSIM800.h
@@ -486,6 +486,7 @@ public:
     }
     stream.print(text);
     stream.write((char)0x1A);
+    stream.flush();
     return waitResponse(60000L) == 1;
   }
 
@@ -512,6 +513,7 @@ public:
       stream.print(c, HEX);
     }
     stream.write((char)0x1A);
+    stream.flush();
     return waitResponse(60000L) == 1;
   }