From 0a221429574965ccd9008879a5c09cf2de993441 Mon Sep 17 00:00:00 2001
From: Martin Lund <martin.lund@keep-it-simple.com>
Date: Tue, 7 Jun 2022 07:26:40 +0200
Subject: [PATCH] Update README

---
 README.md  |  4 ++--
 src/main.c | 10 ++++++++--
 src/tty.c  |  9 ++++++---
 3 files changed, 16 insertions(+), 7 deletions(-)

diff --git a/README.md b/README.md
index 212a754..e315112 100644
--- a/README.md
+++ b/README.md
@@ -114,13 +114,13 @@ color = 10
 tty = /dev/serial/by-id/usb-FTDI_TTL232R-3V3_FTGQVXBL-if00-port0
 baudrate = 9600
 no-autoconnect = enable
+log = enable
+log-filename = ftdi.log
 color = 12
 
 [usb devices]
 pattern = usb([0-9]*)
 tty = /dev/ttyUSB%s
-log = enable
-log-filename = usb.log
 color = 13
 ```
 
diff --git a/src/main.c b/src/main.c
index 49837a9..c7b4363 100644
--- a/src/main.c
+++ b/src/main.c
@@ -60,10 +60,16 @@ int main(int argc, char *argv[])
     tty_configure();
 
     /* Configure input terminal */
-    stdin_configure();
+    if (isatty(fileno(stdin)))
+    {
+       stdin_configure();
+    }
 
     /* Configure output terminal */
-    stdout_configure();
+    if (isatty(fileno(stdout)))
+    {
+        stdout_configure();
+    }
 
     /* Add log exit handler */
     atexit(&log_exit);
diff --git a/src/tty.c b/src/tty.c
index aea1d58..b3ec1ab 100644
--- a/src/tty.c
+++ b/src/tty.c
@@ -583,12 +583,15 @@ void tty_wait_for_device(void)
             if (FD_ISSET(STDIN_FILENO, &rdfs))
             {
                 /* Input from stdin ready */
+                printf(".\n");
+                fflush(stdout);
 
                 /* Read one character */
                 status = read(STDIN_FILENO, &input_char, 1);
                 if (status <= 0)
                 {
-                    error_printf("Could not read from stdin");
+                    error_printf("Could not read from stdin 0");
+                    error_printf("Could not read from stdin 0 (%s)", strerror(errno));
                     exit(EXIT_FAILURE);
                 }
 
@@ -820,7 +823,7 @@ int tty_connect(void)
                 } else
                 {
                     /* Error reading - device is likely unplugged */
-                    error_printf_silent("Could not read from tty device");
+                    error_printf_silent("Could not read from tty device 1");
                     goto error_read;
                 }
             }
@@ -832,7 +835,7 @@ int tty_connect(void)
                 status = read(STDIN_FILENO, &input_char, 1);
                 if (status <= 0)
                 {
-                    error_printf_silent("Could not read from stdin");
+                    error_printf_silent("Could not read from stdin 2");
                     goto error_read;
                 }