From f0ea7c2c440aa69391ab41e097755b35c26ac6fd Mon Sep 17 00:00:00 2001
From: Stefan de Bruijn <atlaste@users.noreply.github.com>
Date: Wed, 7 Oct 2020 04:12:28 +0200
Subject: [PATCH] Changed buffer sizes to 256 throughout various parts of the
 program. (#626)

This is a patch necessary for F360 personal users, because they decided to add a very lengthy comment...

Co-authored-by: Stefan de Bruijn <stefan@nubilosoft.com>
---
 Grbl_Esp32/src/Protocol.h            | 2 +-
 Grbl_Esp32/src/Serial.cpp            | 4 +++-
 Grbl_Esp32/src/Serial.h              | 2 +-
 Grbl_Esp32/src/WebUI/InputBuffer.h   | 2 +-
 Grbl_Esp32/src/WebUI/Serial2Socket.h | 2 +-
 5 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/Grbl_Esp32/src/Protocol.h b/Grbl_Esp32/src/Protocol.h
index 6b91553d..83033064 100644
--- a/Grbl_Esp32/src/Protocol.h
+++ b/Grbl_Esp32/src/Protocol.h
@@ -31,7 +31,7 @@
 // memory space we can invest into here or we re-write the g-code parser not to have this
 // buffer.
 #ifndef LINE_BUFFER_SIZE
-#    define LINE_BUFFER_SIZE 80
+#    define LINE_BUFFER_SIZE 256
 #endif
 
 // Starts Grbl main loop. It handles all incoming characters from the serial port and executes
diff --git a/Grbl_Esp32/src/Serial.cpp b/Grbl_Esp32/src/Serial.cpp
index e79516c3..ae559c4b 100644
--- a/Grbl_Esp32/src/Serial.cpp
+++ b/Grbl_Esp32/src/Serial.cpp
@@ -70,6 +70,7 @@ uint8_t serial_get_rx_buffer_available(uint8_t client) {
 
 void serial_init() {
     Serial.begin(BAUD_RATE);
+    Serial.setRxBufferSize(256);
     // reset all buffers
     serial_reset_read_buffer(CLIENT_ALL);
     grbl_send(CLIENT_SERIAL, "\r\n");  // create some white space after ESP32 boot info
@@ -104,7 +105,8 @@ void serialCheckTask(void* pvParameters) {
                 if (WebUI::SerialBT.hasClient() && WebUI::SerialBT.available()) {
                     client = CLIENT_BT;
                     data   = WebUI::SerialBT.read();
-                    //Serial.write(data);  // echo all data to serial
+
+                    // Serial.write(data);  // echo all data to serial.
                 } else {
 #endif
 #if defined(ENABLE_WIFI) && defined(ENABLE_HTTP) && defined(ENABLE_SERIAL2SOCKET_IN)
diff --git a/Grbl_Esp32/src/Serial.h b/Grbl_Esp32/src/Serial.h
index 598c6431..8d3f4b93 100644
--- a/Grbl_Esp32/src/Serial.h
+++ b/Grbl_Esp32/src/Serial.h
@@ -23,7 +23,7 @@
 #include "Grbl.h"
 
 #ifndef RX_BUFFER_SIZE
-#    define RX_BUFFER_SIZE 128
+#    define RX_BUFFER_SIZE 256
 #endif
 #ifndef TX_BUFFER_SIZE
 #    ifdef USE_LINE_NUMBERS
diff --git a/Grbl_Esp32/src/WebUI/InputBuffer.h b/Grbl_Esp32/src/WebUI/InputBuffer.h
index 4eec0ca6..da25b6c5 100644
--- a/Grbl_Esp32/src/WebUI/InputBuffer.h
+++ b/Grbl_Esp32/src/WebUI/InputBuffer.h
@@ -49,7 +49,7 @@ namespace WebUI {
         ~InputBuffer();
 
     private:
-        static const int RXBUFFERSIZE = 128;
+        static const int RXBUFFERSIZE = 256;
 
         uint8_t  _RXbuffer[RXBUFFERSIZE];
         uint16_t _RXbufferSize;
diff --git a/Grbl_Esp32/src/WebUI/Serial2Socket.h b/Grbl_Esp32/src/WebUI/Serial2Socket.h
index 7d337520..9babdf95 100644
--- a/Grbl_Esp32/src/WebUI/Serial2Socket.h
+++ b/Grbl_Esp32/src/WebUI/Serial2Socket.h
@@ -28,7 +28,7 @@ class WebSocketsServer;
 namespace WebUI {
     class Serial_2_Socket : public Print {
         static const int TXBUFFERSIZE = 1200;
-        static const int RXBUFFERSIZE = 128;
+        static const int RXBUFFERSIZE = 256;
         static const int FLUSHTIMEOUT = 500;
 
     public: