remove librs232HEADmaster

4 files changed, 14 insertions, 1025 deletions

diff --git a/build/Makefile b/build/Makefile
index 53f8c98..bf87620 100644
--- a/build/Makefile
+++ b/build/Makefile
@@ -1,6 +1,4 @@
-HOST_CC ?= gcc
-
-HOST_CFLAGS ?= -Wall -std=gnu99 -I../src/lib/rs232 -O3
+CFLAGS ?= -Wall -std=gnu99 -O2
 
 ARM_BASE ?= arm-none-eabi
 
@@ -77,13 +75,6 @@ ramfs.img : makefs $(RAMFS_FILES)
 	./makefs $(RAMFS_FILES) > $@
 
 
-pipe_image : pipe_image.o rs232.o
-	$(HOST_CC) $^ -o $@
-
-makefs : makefs.o
-	$(HOST_CC) $^ -o $@
-
-
 qemu-elf : kernel.elf
 	qemu-system-arm -m 256 -M raspi2 -serial stdio -kernel $^
 
@@ -91,11 +82,11 @@ qemu-bin : kernel.img
 	qemu-system-arm -m 256 -M raspi2 -serial stdio -kernel $^
 
 qemu-loader : loader.img kernel.img pipe_image
-	./pipe_image --stdout | \
+	./pipe_image | \
 	    qemu-system-arm -m 256 -M raspi2 -serial stdio -kernel $<
 
 run-on-rpi : kernel.img pipe_image
-	./pipe_image --stdout | \
+	./pipe_image | \
 	    sudo socat FILE:/dev/ttyUSB0,b115200,raw -
 	sudo screen  /dev/ttyUSB0 115200,cs8,-parenb,-cstopb,-hupcl
 
diff --git a/src/host/pipe_image.c b/src/host/pipe_image.c
index 105f9a1..3543053 100644
--- a/src/host/pipe_image.c
+++ b/src/host/pipe_image.c
@@ -3,26 +3,16 @@
 #include <endian.h>
 #include <stdint.h>
 #include <sys/types.h>
-#include "rs232.h"
 
 #define ANSI_FG_RED "\033[0;31m"
 #define ANSI_FG_DEFAULT "\033[0;39m"
 
-/* This program pipes it's argument file to /dev/ttyUSB0 or stdout */
+/* This program pipes it's argument file to stdout */
 /* prepending it with it's size (4 bytes, little endian). */
 /* It is intended to be used with our bootloader. */
 
 int main(int argc, const char **argv) {
   const char *image_file_name = "kernel.img";
-  _Bool stdout_instead_of_uart = 0;
-
-  if (argc > 1)
-    if (!strcmp(argv[1], "--stdout"))
-      {
-	stdout_instead_of_uart = 1;
-	argc--;
-	argv++;
-      }
 
   if (argc > 1)
     image_file_name = argv[1];
@@ -46,26 +36,10 @@ int main(int argc, const char **argv) {
   if (fseek(image_file_handle, 0, SEEK_SET))
     err(-1, "error navigating through file");
 
-  //init comport
-  const int comport=16;
-
-  if (!stdout_instead_of_uart)
-    if (RS232_OpenComport(comport, 115200, "8N1", 1) == 1)
-      err(-1, "Error opening comport");
-
   uint32_t image_size_le = htole32(image_size);
 
-  if (stdout_instead_of_uart)
-    {
-      if (fwrite((unsigned char*) &image_size_le, 4, 1, stdout) != 1)
-	err(-1, "error writing number to stdout");
-    }
-  else
-    {
-      if (RS232_SendBuf(comport, (unsigned char*) &image_size_le, 4)
-	  == -1)
-	err(-1, "error writing number to serial");
-    }
+  if (fwrite((unsigned char*) &image_size_le, 4, 1, stdout) != 1)
+    err(-1, "error writing number to stdout");
 
   ssize_t bytes_left = image_size;
 
@@ -77,36 +51,21 @@ int main(int argc, const char **argv) {
 	  < 1)
 	err(-1, "error reading the file");
 
-      if (stdout_instead_of_uart)
-	{
-	  if (fwrite((unsigned char*) buf, bytes_read, 1, stdout) != 1)
-	    err(-1, "error writing to stdout");
-	}
-      else
-	{
-	  if (RS232_SendBuf(comport, buf, bytes_read) == -1)
-	    err(-1, "error writing to serial");
-	}
+      if (fwrite((unsigned char*) buf, bytes_read, 1, stdout) != 1)
+	err(-1, "error writing to stdout");
 
       bytes_left -= bytes_read;
     }
+  
 /*
-  while(1){
+  // not working - stdin breaks
+  while(1)
+  {
       int bytes_read=read(0,buf,sizeof(buf));
-      if (stdout_instead_of_uart)
-	{
-	  if (fwrite((unsigned char*) buf, bytes_read, 1, stdout) != 1)
-	    err(-1, "error writing to stdout");
-	}
-      else
-	{
-	  if (RS232_SendBuf(comport, buf, bytes_read) == 1)
-	    err(-1, "error writing to serial");
-	}
+      if (fwrite((unsigned char*) buf, bytes_read, 1, stdout) != 1)
+        err(-1, "error writing to stdout");
   }
   */
-  if (!stdout_instead_of_uart)
-    RS232_CloseComport(comport);
 
   return 0;
 }
diff --git a/src/lib/rs232/rs232.c b/src/lib/rs232/rs232.c
deleted file mode 100644
index 0ae2a59..0000000
--- a/src/lib/rs232/rs232.c
+++ /dev/null
@@ -1,873 +0,0 @@
-/*
-***************************************************************************
-*
-* Author: Teunis van Beelen
-*
-* Copyright (C) 2005 - 2019 Teunis van Beelen
-*
-* Email: teuniz@protonmail.com
-*
-***************************************************************************
-*
-* This program is free software: you can redistribute it and/or modify
-* it under the terms of the GNU General Public License as published by
-* the Free Software Foundation, either version 3 of the License, or
-* (at your option) any later version.
-*
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*
-***************************************************************************
-*/
-
-
-/* Last revision: May 31, 2019 */
-/* Added support for hardware flow control using RTS and CTS lines */
-/* For more info and how to use this library, visit: http://www.teuniz.net/RS-232/ */
-
-
-#include "rs232.h"
-
-
-#if defined(__linux__) || defined(__FreeBSD__)   /* Linux & FreeBSD */
-
-#define RS232_PORTNR  38
-
-
-int Cport[RS232_PORTNR],
-    error;
-
-struct termios new_port_settings,
-       old_port_settings[RS232_PORTNR];
-
-char *comports[RS232_PORTNR]={"/dev/ttyS0","/dev/ttyS1","/dev/ttyS2","/dev/ttyS3","/dev/ttyS4","/dev/ttyS5",
-                       "/dev/ttyS6","/dev/ttyS7","/dev/ttyS8","/dev/ttyS9","/dev/ttyS10","/dev/ttyS11",
-                       "/dev/ttyS12","/dev/ttyS13","/dev/ttyS14","/dev/ttyS15","/dev/ttyUSB0",
-                       "/dev/ttyUSB1","/dev/ttyUSB2","/dev/ttyUSB3","/dev/ttyUSB4","/dev/ttyUSB5",
-                       "/dev/ttyAMA0","/dev/ttyAMA1","/dev/ttyACM0","/dev/ttyACM1",
-                       "/dev/rfcomm0","/dev/rfcomm1","/dev/ircomm0","/dev/ircomm1",
-                       "/dev/cuau0","/dev/cuau1","/dev/cuau2","/dev/cuau3",
-                       "/dev/cuaU0","/dev/cuaU1","/dev/cuaU2","/dev/cuaU3"};
-
-int RS232_OpenComport(int comport_number, int baudrate, const char *mode, int flowctrl)
-{
-  int baudr,
-      status;
-
-  if((comport_number>=RS232_PORTNR)||(comport_number<0))
-  {
-    printf("illegal comport number\n");
-    return(1);
-  }
-
-  switch(baudrate)
-  {
-    case      50 : baudr = B50;
-                   break;
-    case      75 : baudr = B75;
-                   break;
-    case     110 : baudr = B110;
-                   break;
-    case     134 : baudr = B134;
-                   break;
-    case     150 : baudr = B150;
-                   break;
-    case     200 : baudr = B200;
-                   break;
-    case     300 : baudr = B300;
-                   break;
-    case     600 : baudr = B600;
-                   break;
-    case    1200 : baudr = B1200;
-                   break;
-    case    1800 : baudr = B1800;
-                   break;
-    case    2400 : baudr = B2400;
-                   break;
-    case    4800 : baudr = B4800;
-                   break;
-    case    9600 : baudr = B9600;
-                   break;
-    case   19200 : baudr = B19200;
-                   break;
-    case   38400 : baudr = B38400;
-                   break;
-    case   57600 : baudr = B57600;
-                   break;
-    case  115200 : baudr = B115200;
-                   break;
-    case  230400 : baudr = B230400;
-                   break;
-    case  460800 : baudr = B460800;
-                   break;
-    case  500000 : baudr = B500000;
-                   break;
-    case  576000 : baudr = B576000;
-                   break;
-    case  921600 : baudr = B921600;
-                   break;
-    case 1000000 : baudr = B1000000;
-                   break;
-    case 1152000 : baudr = B1152000;
-                   break;
-    case 1500000 : baudr = B1500000;
-                   break;
-    case 2000000 : baudr = B2000000;
-                   break;
-    case 2500000 : baudr = B2500000;
-                   break;
-    case 3000000 : baudr = B3000000;
-                   break;
-    case 3500000 : baudr = B3500000;
-                   break;
-    case 4000000 : baudr = B4000000;
-                   break;
-    default      : printf("invalid baudrate\n");
-                   return(1);
-                   break;
-  }
-
-  int cbits=CS8,
-      cpar=0,
-      ipar=IGNPAR,
-      bstop=0;
-
-  if(strlen(mode) != 3)
-  {
-    printf("invalid mode \"%s\"\n", mode);
-    return(1);
-  }
-
-  switch(mode[0])
-  {
-    case '8': cbits = CS8;
-              break;
-    case '7': cbits = CS7;
-              break;
-    case '6': cbits = CS6;
-              break;
-    case '5': cbits = CS5;
-              break;
-    default : printf("invalid number of data-bits '%c'\n", mode[0]);
-              return(1);
-              break;
-  }
-
-  switch(mode[1])
-  {
-    case 'N':
-    case 'n': cpar = 0;
-              ipar = IGNPAR;
-              break;
-    case 'E':
-    case 'e': cpar = PARENB;
-              ipar = INPCK;
-              break;
-    case 'O':
-    case 'o': cpar = (PARENB | PARODD);
-              ipar = INPCK;
-              break;
-    default : printf("invalid parity '%c'\n", mode[1]);
-              return(1);
-              break;
-  }
-
-  switch(mode[2])
-  {
-    case '1': bstop = 0;
-              break;
-    case '2': bstop = CSTOPB;
-              break;
-    default : printf("invalid number of stop bits '%c'\n", mode[2]);
-              return(1);
-              break;
-  }
-
-/*
-http://pubs.opengroup.org/onlinepubs/7908799/xsh/termios.h.html
-
-http://man7.org/linux/man-pages/man3/termios.3.html
-*/
-
-  Cport[comport_number] = open(comports[comport_number], O_RDWR | O_NOCTTY | O_NDELAY);
-  if(Cport[comport_number]==-1)
-  {
-    perror("unable to open comport ");
-    return(1);
-  }
-
-  /* lock access so that another process can't also use the port */
-  if(flock(Cport[comport_number], LOCK_EX | LOCK_NB) != 0)
-  {
-    close(Cport[comport_number]);
-    perror("Another process has locked the comport.");
-    return(1);
-  }
-
-  error = tcgetattr(Cport[comport_number], old_port_settings + comport_number);
-  if(error==-1)
-  {
-    close(Cport[comport_number]);
-    flock(Cport[comport_number], LOCK_UN);  /* free the port so that others can use it. */
-    perror("unable to read portsettings ");
-    return(1);
-  }
-  memset(&new_port_settings, 0, sizeof(new_port_settings));  /* clear the new struct */
-
-  new_port_settings.c_cflag = cbits | cpar | bstop | CLOCAL | CREAD;
-  if(flowctrl)
-  {
-    new_port_settings.c_cflag |= CRTSCTS;
-  }
-  new_port_settings.c_iflag = ipar;
-  new_port_settings.c_oflag = 0;
-  new_port_settings.c_lflag = 0;
-  new_port_settings.c_cc[VMIN] = 0;      /* block untill n bytes are received */
-  new_port_settings.c_cc[VTIME] = 0;     /* block untill a timer expires (n * 100 mSec.) */
-
-  cfsetispeed(&new_port_settings, baudr);
-  cfsetospeed(&new_port_settings, baudr);
-
-  error = tcsetattr(Cport[comport_number], TCSANOW, &new_port_settings);
-  if(error==-1)
-  {
-    tcsetattr(Cport[comport_number], TCSANOW, old_port_settings + comport_number);
-    close(Cport[comport_number]);
-    flock(Cport[comport_number], LOCK_UN);  /* free the port so that others can use it. */
-    perror("unable to adjust portsettings ");
-    return(1);
-  }
-
-/* http://man7.org/linux/man-pages/man4/tty_ioctl.4.html */
-
-  if(ioctl(Cport[comport_number], TIOCMGET, &status) == -1)
-  {
-    tcsetattr(Cport[comport_number], TCSANOW, old_port_settings + comport_number);
-    flock(Cport[comport_number], LOCK_UN);  /* free the port so that others can use it. */
-    perror("unable to get portstatus");
-    return(1);
-  }
-
-  status |= TIOCM_DTR;    /* turn on DTR */
-  status |= TIOCM_RTS;    /* turn on RTS */
-
-  if(ioctl(Cport[comport_number], TIOCMSET, &status) == -1)
-  {
-    tcsetattr(Cport[comport_number], TCSANOW, old_port_settings + comport_number);
-    flock(Cport[comport_number], LOCK_UN);  /* free the port so that others can use it. */
-    perror("unable to set portstatus");
-    return(1);
-  }
-
-  return(0);
-}
-
-
-int RS232_PollComport(int comport_number, unsigned char *buf, int size)
-{
-  int n;
-
-  n = read(Cport[comport_number], buf, size);
-
-  if(n < 0)
-  {
-    if(errno == EAGAIN)  return 0;
-  }
-
-  return(n);
-}
-
-
-int RS232_SendByte(int comport_number, unsigned char byte)
-{
-  int n = write(Cport[comport_number], &byte, 1);
-  if(n < 0)
-  {
-    if(errno == EAGAIN)
-    {
-      return 0;
-    }
-    else
-    {
-      return 1;
-    }
-  }
-
-  return(0);
-}
-
-
-int RS232_SendBuf(int comport_number, unsigned char *buf, int size)
-{
-  int n = write(Cport[comport_number], buf, size);
-  if(n < 0)
-  {
-    if(errno == EAGAIN)
-    {
-      return 0;
-    }
-    else
-    {
-      return -1;
-    }
-  }
-
-  return(n);
-}
-
-
-void RS232_CloseComport(int comport_number)
-{
-  int status;
-
-  if(ioctl(Cport[comport_number], TIOCMGET, &status) == -1)
-  {
-    perror("unable to get portstatus");
-  }
-
-  status &= ~TIOCM_DTR;    /* turn off DTR */
-  status &= ~TIOCM_RTS;    /* turn off RTS */
-
-  if(ioctl(Cport[comport_number], TIOCMSET, &status) == -1)
-  {
-    perror("unable to set portstatus");
-  }
-
-  tcsetattr(Cport[comport_number], TCSANOW, old_port_settings + comport_number);
-  close(Cport[comport_number]);
-
-  flock(Cport[comport_number], LOCK_UN);  /* free the port so that others can use it. */
-}
-
-/*
-Constant  Description
-TIOCM_LE        DSR (data set ready/line enable)
-TIOCM_DTR       DTR (data terminal ready)
-TIOCM_RTS       RTS (request to send)
-TIOCM_ST        Secondary TXD (transmit)
-TIOCM_SR        Secondary RXD (receive)
-TIOCM_CTS       CTS (clear to send)
-TIOCM_CAR       DCD (data carrier detect)
-TIOCM_CD        see TIOCM_CAR
-TIOCM_RNG       RNG (ring)
-TIOCM_RI        see TIOCM_RNG
-TIOCM_DSR       DSR (data set ready)
-
-http://man7.org/linux/man-pages/man4/tty_ioctl.4.html
-*/
-
-int RS232_IsDCDEnabled(int comport_number)
-{
-  int status;
-
-  ioctl(Cport[comport_number], TIOCMGET, &status);
-
-  if(status&TIOCM_CAR) return(1);
-  else return(0);
-}
-
-
-int RS232_IsRINGEnabled(int comport_number)
-{
-  int status;
-
-  ioctl(Cport[comport_number], TIOCMGET, &status);
-
-  if(status&TIOCM_RNG) return(1);
-  else return(0);
-}
-
-
-int RS232_IsCTSEnabled(int comport_number)
-{
-  int status;
-
-  ioctl(Cport[comport_number], TIOCMGET, &status);
-
-  if(status&TIOCM_CTS) return(1);
-  else return(0);
-}
-
-
-int RS232_IsDSREnabled(int comport_number)
-{
-  int status;
-
-  ioctl(Cport[comport_number], TIOCMGET, &status);
-
-  if(status&TIOCM_DSR) return(1);
-  else return(0);
-}
-
-
-void RS232_enableDTR(int comport_number)
-{
-  int status;
-
-  if(ioctl(Cport[comport_number], TIOCMGET, &status) == -1)
-  {
-    perror("unable to get portstatus");
-  }
-
-  status |= TIOCM_DTR;    /* turn on DTR */
-
-  if(ioctl(Cport[comport_number], TIOCMSET, &status) == -1)
-  {
-    perror("unable to set portstatus");
-  }
-}
-
-
-void RS232_disableDTR(int comport_number)
-{
-  int status;
-
-  if(ioctl(Cport[comport_number], TIOCMGET, &status) == -1)
-  {
-    perror("unable to get portstatus");
-  }
-
-  status &= ~TIOCM_DTR;    /* turn off DTR */
-
-  if(ioctl(Cport[comport_number], TIOCMSET, &status) == -1)
-  {
-    perror("unable to set portstatus");
-  }
-}
-
-
-void RS232_enableRTS(int comport_number)
-{
-  int status;
-
-  if(ioctl(Cport[comport_number], TIOCMGET, &status) == -1)
-  {
-    perror("unable to get portstatus");
-  }
-
-  status |= TIOCM_RTS;    /* turn on RTS */
-
-  if(ioctl(Cport[comport_number], TIOCMSET, &status) == -1)
-  {
-    perror("unable to set portstatus");
-  }
-}
-
-
-void RS232_disableRTS(int comport_number)
-{
-  int status;
-
-  if(ioctl(Cport[comport_number], TIOCMGET, &status) == -1)
-  {
-    perror("unable to get portstatus");
-  }
-
-  status &= ~TIOCM_RTS;    /* turn off RTS */
-
-  if(ioctl(Cport[comport_number], TIOCMSET, &status) == -1)
-  {
-    perror("unable to set portstatus");
-  }
-}
-
-
-void RS232_flushRX(int comport_number)
-{
-  tcflush(Cport[comport_number], TCIFLUSH);
-}
-
-
-void RS232_flushTX(int comport_number)
-{
-  tcflush(Cport[comport_number], TCOFLUSH);
-}
-
-
-void RS232_flushRXTX(int comport_number)
-{
-  tcflush(Cport[comport_number], TCIOFLUSH);
-}
-
-
-#else  /* windows */
-
-#define RS232_PORTNR  32
-
-HANDLE Cport[RS232_PORTNR];
-
-
-char *comports[RS232_PORTNR]={"\\\\.\\COM1",  "\\\\.\\COM2",  "\\\\.\\COM3",  "\\\\.\\COM4",
-                              "\\\\.\\COM5",  "\\\\.\\COM6",  "\\\\.\\COM7",  "\\\\.\\COM8",
-                              "\\\\.\\COM9",  "\\\\.\\COM10", "\\\\.\\COM11", "\\\\.\\COM12",
-                              "\\\\.\\COM13", "\\\\.\\COM14", "\\\\.\\COM15", "\\\\.\\COM16",
-                              "\\\\.\\COM17", "\\\\.\\COM18", "\\\\.\\COM19", "\\\\.\\COM20",
-                              "\\\\.\\COM21", "\\\\.\\COM22", "\\\\.\\COM23", "\\\\.\\COM24",
-                              "\\\\.\\COM25", "\\\\.\\COM26", "\\\\.\\COM27", "\\\\.\\COM28",
-                              "\\\\.\\COM29", "\\\\.\\COM30", "\\\\.\\COM31", "\\\\.\\COM32"};
-
-char mode_str[128];
-
-
-int RS232_OpenComport(int comport_number, int baudrate, const char *mode, int flowctrl)
-{
-  if((comport_number>=RS232_PORTNR)||(comport_number<0))
-  {
-    printf("illegal comport number\n");
-    return(1);
-  }
-
-  switch(baudrate)
-  {
-    case     110 : strcpy(mode_str, "baud=110");
-                   break;
-    case     300 : strcpy(mode_str, "baud=300");
-                   break;
-    case     600 : strcpy(mode_str, "baud=600");
-                   break;
-    case    1200 : strcpy(mode_str, "baud=1200");
-                   break;
-    case    2400 : strcpy(mode_str, "baud=2400");
-                   break;
-    case    4800 : strcpy(mode_str, "baud=4800");
-                   break;
-    case    9600 : strcpy(mode_str, "baud=9600");
-                   break;
-    case   19200 : strcpy(mode_str, "baud=19200");
-                   break;
-    case   38400 : strcpy(mode_str, "baud=38400");
-                   break;
-    case   57600 : strcpy(mode_str, "baud=57600");
-                   break;
-    case  115200 : strcpy(mode_str, "baud=115200");
-                   break;
-    case  128000 : strcpy(mode_str, "baud=128000");
-                   break;
-    case  256000 : strcpy(mode_str, "baud=256000");
-                   break;
-    case  500000 : strcpy(mode_str, "baud=500000");
-                   break;
-    case  921600 : strcpy(mode_str, "baud=921600");
-                   break;
-    case 1000000 : strcpy(mode_str, "baud=1000000");
-                   break;
-    case 1500000 : strcpy(mode_str, "baud=1500000");
-                   break;
-    case 2000000 : strcpy(mode_str, "baud=2000000");
-                   break;
-    case 3000000 : strcpy(mode_str, "baud=3000000");
-                   break;
-    default      : printf("invalid baudrate\n");
-                   return(1);
-                   break;
-  }
-
-  if(strlen(mode) != 3)
-  {
-    printf("invalid mode \"%s\"\n", mode);
-    return(1);
-  }
-
-  switch(mode[0])
-  {
-    case '8': strcat(mode_str, " data=8");
-              break;
-    case '7': strcat(mode_str, " data=7");
-              break;
-    case '6': strcat(mode_str, " data=6");
-              break;
-    case '5': strcat(mode_str, " data=5");
-              break;
-    default : printf("invalid number of data-bits '%c'\n", mode[0]);
-              return(1);
-              break;
-  }
-
-  switch(mode[1])
-  {
-    case 'N':
-    case 'n': strcat(mode_str, " parity=n");
-              break;
-    case 'E':
-    case 'e': strcat(mode_str, " parity=e");
-              break;
-    case 'O':
-    case 'o': strcat(mode_str, " parity=o");
-              break;
-    default : printf("invalid parity '%c'\n", mode[1]);
-              return(1);
-              break;
-  }
-
-  switch(mode[2])
-  {
-    case '1': strcat(mode_str, " stop=1");
-              break;
-    case '2': strcat(mode_str, " stop=2");
-              break;
-    default : printf("invalid number of stop bits '%c'\n", mode[2]);
-              return(1);
-              break;
-  }
-
-  if(flowctrl)
-  {
-    strcat(mode_str, " xon=off to=off odsr=off dtr=on rts=off");
-  }
-  else
-  {
-    strcat(mode_str, " xon=off to=off odsr=off dtr=on rts=on");
-  }
-
-/*
-http://msdn.microsoft.com/en-us/library/windows/desktop/aa363145%28v=vs.85%29.aspx
-
-http://technet.microsoft.com/en-us/library/cc732236.aspx
-
-https://docs.microsoft.com/en-us/windows/desktop/api/winbase/ns-winbase-_dcb
-*/
-
-  Cport[comport_number] = CreateFileA(comports[comport_number],
-                      GENERIC_READ|GENERIC_WRITE,
-                      0,                          /* no share  */
-                      NULL,                       /* no security */
-                      OPEN_EXISTING,
-                      0,                          /* no threads */
-                      NULL);                      /* no templates */
-
-  if(Cport[comport_number]==INVALID_HANDLE_VALUE)
-  {
-    printf("unable to open comport\n");
-    return(1);
-  }
-
-  DCB port_settings;
-  memset(&port_settings, 0, sizeof(port_settings));  /* clear the new struct  */
-  port_settings.DCBlength = sizeof(port_settings);
-
-  if(!BuildCommDCBA(mode_str, &port_settings))
-  {
-    printf("unable to set comport dcb settings\n");
-    CloseHandle(Cport[comport_number]);
-    return(1);
-  }
-
-  if(flowctrl)
-  {
-    port_settings.fOutxCtsFlow = TRUE;
-    port_settings.fRtsControl = RTS_CONTROL_HANDSHAKE;
-  }
-
-  if(!SetCommState(Cport[comport_number], &port_settings))
-  {
-    printf("unable to set comport cfg settings\n");
-    CloseHandle(Cport[comport_number]);
-    return(1);
-  }
-
-  COMMTIMEOUTS Cptimeouts;
-
-  Cptimeouts.ReadIntervalTimeout         = MAXDWORD;
-  Cptimeouts.ReadTotalTimeoutMultiplier  = 0;
-  Cptimeouts.ReadTotalTimeoutConstant    = 0;
-  Cptimeouts.WriteTotalTimeoutMultiplier = 0;
-  Cptimeouts.WriteTotalTimeoutConstant   = 0;
-
-  if(!SetCommTimeouts(Cport[comport_number], &Cptimeouts))
-  {
-    printf("unable to set comport time-out settings\n");
-    CloseHandle(Cport[comport_number]);
-    return(1);
-  }
-
-  return(0);
-}
-
-
-int RS232_PollComport(int comport_number, unsigned char *buf, int size)
-{
-  int n;
-
-/* added the void pointer cast, otherwise gcc will complain about */
-/* "warning: dereferencing type-punned pointer will break strict aliasing rules" */
-
-  ReadFile(Cport[comport_number], buf, size, (LPDWORD)((void *)&n), NULL);
-
-  return(n);
-}
-
-
-int RS232_SendByte(int comport_number, unsigned char byte)
-{
-  int n;
-
-  WriteFile(Cport[comport_number], &byte, 1, (LPDWORD)((void *)&n), NULL);
-
-  if(n<0)  return(1);
-
-  return(0);
-}
-
-
-int RS232_SendBuf(int comport_number, unsigned char *buf, int size)
-{
-  int n;
-
-  if(WriteFile(Cport[comport_number], buf, size, (LPDWORD)((void *)&n), NULL))
-  {
-    return(n);
-  }
-
-  return(-1);
-}
-
-
-void RS232_CloseComport(int comport_number)
-{
-  CloseHandle(Cport[comport_number]);
-}
-
-/*
-http://msdn.microsoft.com/en-us/library/windows/desktop/aa363258%28v=vs.85%29.aspx
-*/
-
-int RS232_IsDCDEnabled(int comport_number)
-{
-  int status;
-
-  GetCommModemStatus(Cport[comport_number], (LPDWORD)((void *)&status));
-
-  if(status&MS_RLSD_ON) return(1);
-  else return(0);
-}
-
-
-int RS232_IsRINGEnabled(int comport_number)
-{
-  int status;
-
-  GetCommModemStatus(Cport[comport_number], (LPDWORD)((void *)&status));
-
-  if(status&MS_RING_ON) return(1);
-  else return(0);
-}
-
-
-int RS232_IsCTSEnabled(int comport_number)
-{
-  int status;
-
-  GetCommModemStatus(Cport[comport_number], (LPDWORD)((void *)&status));
-
-  if(status&MS_CTS_ON) return(1);
-  else return(0);
-}
-
-
-int RS232_IsDSREnabled(int comport_number)
-{
-  int status;
-
-  GetCommModemStatus(Cport[comport_number], (LPDWORD)((void *)&status));
-
-  if(status&MS_DSR_ON) return(1);
-  else return(0);
-}
-
-
-void RS232_enableDTR(int comport_number)
-{
-  EscapeCommFunction(Cport[comport_number], SETDTR);
-}
-
-
-void RS232_disableDTR(int comport_number)
-{
-  EscapeCommFunction(Cport[comport_number], CLRDTR);
-}
-
-
-void RS232_enableRTS(int comport_number)
-{
-  EscapeCommFunction(Cport[comport_number], SETRTS);
-}
-
-
-void RS232_disableRTS(int comport_number)
-{
-  EscapeCommFunction(Cport[comport_number], CLRRTS);
-}
-
-/*
-https://msdn.microsoft.com/en-us/library/windows/desktop/aa363428%28v=vs.85%29.aspx
-*/
-
-void RS232_flushRX(int comport_number)
-{
-  PurgeComm(Cport[comport_number], PURGE_RXCLEAR | PURGE_RXABORT);
-}
-
-
-void RS232_flushTX(int comport_number)
-{
-  PurgeComm(Cport[comport_number], PURGE_TXCLEAR | PURGE_TXABORT);
-}
-
-
-void RS232_flushRXTX(int comport_number)
-{
-  PurgeComm(Cport[comport_number], PURGE_RXCLEAR | PURGE_RXABORT);
-  PurgeComm(Cport[comport_number], PURGE_TXCLEAR | PURGE_TXABORT);
-}
-
-
-#endif
-
-
-void RS232_cputs(int comport_number, const char *text)  /* sends a string to serial port */
-{
-  while(*text != 0)   RS232_SendByte(comport_number, *(text++));
-}
-
-
-/* return index in comports matching to device name or -1 if not found */
-int RS232_GetPortnr(const char *devname)
-{
-  int i;
-
-  char str[32];
-
-#if defined(__linux__) || defined(__FreeBSD__)   /* Linux & FreeBSD */
-  strcpy(str, "/dev/");
-#else  /* windows */
-  strcpy(str, "\\\\.\\");
-#endif
-  strncat(str, devname, 16);
-  str[31] = 0;
-
-  for(i=0; i<RS232_PORTNR; i++)
-  {
-    if(!strcmp(comports[i], str))
-    {
-      return i;
-    }
-  }
-
-  return -1;  /* device not found */
-}
-
-
-
-
-
-
-
-
-
-
-
diff --git a/src/lib/rs232/rs232.h b/src/lib/rs232/rs232.h
deleted file mode 100644
index 73a2040..0000000
--- a/src/lib/rs232/rs232.h
+++ /dev/null
@@ -1,88 +0,0 @@
-/*
-***************************************************************************
-*
-* Author: Teunis van Beelen
-*
-* Copyright (C) 2005 - 2019 Teunis van Beelen
-*
-* Email: teuniz@protonmail.com
-*
-***************************************************************************
-*
-* This program is free software: you can redistribute it and/or modify
-* it under the terms of the GNU General Public License as published by
-* the Free Software Foundation, either version 3 of the License, or
-* (at your option) any later version.
-*
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*
-***************************************************************************
-*/
-
-/* Last revision: May 31, 2019 */
-
-/* For more info and how to use this library, visit: http://www.teuniz.net/RS-232/ */
-
-
-#ifndef rs232_INCLUDED
-#define rs232_INCLUDED
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#include <stdio.h>
-#include <string.h>
-
-
-
-#if defined(__linux__) || defined(__FreeBSD__)
-
-#include <termios.h>
-#include <sys/ioctl.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <limits.h>
-#include <sys/file.h>
-#include <errno.h>
-
-#else
-
-#include <windows.h>
-
-#endif
-
-int RS232_OpenComport(int, int, const char *, int);
-int RS232_PollComport(int, unsigned char *, int);
-int RS232_SendByte(int, unsigned char);
-int RS232_SendBuf(int, unsigned char *, int);
-void RS232_CloseComport(int);
-void RS232_cputs(int, const char *);
-int RS232_IsDCDEnabled(int);
-int RS232_IsRINGEnabled(int);
-int RS232_IsCTSEnabled(int);
-int RS232_IsDSREnabled(int);
-void RS232_enableDTR(int);
-void RS232_disableDTR(int);
-void RS232_enableRTS(int);
-void RS232_disableRTS(int);
-void RS232_flushRX(int);
-void RS232_flushTX(int);
-void RS232_flushRXTX(int);
-int RS232_GetPortnr(const char *);
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-#endif
-
-