From e3403eb5db936bfe2d55ffdc2dec56a1b2070046 Mon Sep 17 00:00:00 2001
From: Johan Kanflo <watski@bitfuse.net>
Date: Tue, 10 Oct 2017 15:37:43 +0200
Subject: [PATCH] Added fflush for terminal echo (#455)
---
examples/terminal/terminal.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/examples/terminal/terminal.c b/examples/terminal/terminal.c
index 6f8b940..f25293a 100644
--- a/examples/terminal/terminal.c
+++ b/examples/terminal/terminal.c
@@ -94,18 +94,23 @@ static void gpiomon()
int i = 0;
printf("\n\n\nWelcome to gpiomon. Type 'help<enter>' for, well, help\n");
printf("%% ");
+ fflush(stdout); // stdout is line buffered
while(1) {
if (read(0, (void*)&ch, 1)) { // 0 is stdin
printf("%c", ch);
+ fflush(stdout);
if (ch == '\n' || ch == '\r') {
cmd[i] = 0;
i = 0;
printf("\n");
handle_command((char*) cmd);
printf("%% ");
+ fflush(stdout);
} else {
if (i < sizeof(cmd)) cmd[i++] = ch;
}
+ } else {
+ printf("You will never see this print as read(...) is blocking\n");
}
}
}