From 7cb87dca3edd9a642e52ace4741f2ed82aeeaadc Mon Sep 17 00:00:00 2001
From: Adam Honse <calcprogrammer1@gmail.com>
Date: Sat, 6 May 2023 02:15:30 -0500
Subject: [PATCH] Set serial port byte size

---
 serial_port/serial_port.cpp | 71 ++++++++++++++++++++++++++++++++++++-
 1 file changed, 70 insertions(+), 1 deletion(-)

diff --git a/serial_port/serial_port.cpp b/serial_port/serial_port.cpp
index b38e285bb..b8d603102 100644
--- a/serial_port/serial_port.cpp
+++ b/serial_port/serial_port.cpp
@@ -138,6 +138,28 @@ bool serial_port::serial_open()
             break;
     }
 
+    /*-----------------------------------------*\
+    | Configure size                            |
+    \*-----------------------------------------*/
+    switch(size)
+    {
+        case SERIAL_PORT_SIZE_8:
+            dcb.ByteSize = 8;
+            break;
+
+        case SERIAL_PORT_SIZE_7:
+            dcb.ByteSize = 7;
+            break;
+
+        case SERIAL_PORT_SIZE_6:
+            dcb.ByteSize = 6;
+            break;
+
+        case SERIAL_PORT_SIZE_5:
+            dcb.ByteSize = 5;
+            break;
+    }
+
     /*-----------------------------------------*\
     | Configure stop bits                       |
     \*-----------------------------------------*/
@@ -165,7 +187,6 @@ bool serial_port::serial_open()
     /*-----------------------------------------*\
     | Configure additional parameters           |
     \*-----------------------------------------*/
-    dcb.ByteSize = 8;                           //8 data bits
     dcb.fAbortOnError = FALSE;                  //Abort on error
     dcb.fOutX = FALSE;                          //XON/XOFF off for transmit
     dcb.fInX = FALSE;                           //XON/XOFF off for receive
@@ -241,6 +262,30 @@ bool serial_port::serial_open()
             break;
     }
 
+    /*-----------------------------------------*\
+    | Configure size                            |
+    \*-----------------------------------------*/
+    options.c_cflag &= ~CSIZE;
+
+    switch(size)
+    {
+        case SERIAL_PORT_SIZE_8:
+            options.c_cflag |= CS8;
+            break;
+
+        case SERIAL_PORT_SIZE_7:
+            options.c_cflag |= CS7;
+            break;
+
+        case SERIAL_PORT_SIZE_6:
+            options.c_cflag |= CS6;
+            break;
+
+        case SERIAL_PORT_SIZE_5:
+            options.c_cflag |= CS5;
+            break;
+    }
+
     /*-----------------------------------------*\
     | Configure stop bits                       |
     \*-----------------------------------------*/
@@ -324,6 +369,30 @@ bool serial_port::serial_open()
             break;
     }
 
+    /*-----------------------------------------*\
+    | Configure size                            |
+    \*-----------------------------------------*/
+    options.c_cflag &= ~CSIZE;
+
+    switch(size)
+    {
+        case SERIAL_PORT_SIZE_8:
+            options.c_cflag |= CS8;
+            break;
+
+        case SERIAL_PORT_SIZE_7:
+            options.c_cflag |= CS7;
+            break;
+
+        case SERIAL_PORT_SIZE_6:
+            options.c_cflag |= CS6;
+            break;
+
+        case SERIAL_PORT_SIZE_5:
+            options.c_cflag |= CS5;
+            break;
+    }
+
     /*-----------------------------------------*\
     | Configure stop bits                       |
     \*-----------------------------------------*/