From 351b15586232f7931ae8bbb2bc1ebc2de68052bc Mon Sep 17 00:00:00 2001
From: jp7g21 <jp7g21@soton.ac.uk>
Date: Sun, 14 Nov 2021 02:01:53 +0000
Subject: [PATCH] Read mode
---
duck/duck.c | 5 ++---
libduck/libduck.c | 9 +++++++++
libduck/libduck.h | 1 +
3 files changed, 12 insertions(+), 3 deletions(-)
diff --git a/duck/duck.c b/duck/duck.c
index 8c8f856..c72638c 100644
--- a/duck/duck.c
+++ b/duck/duck.c
@@ -94,9 +94,8 @@ int main(int argc, char **argv)
}
}
if (read_mode) {
- while (1) {
- char c;
- if (read(duckfd, &c, 1) != 1) err(
+ read_duck_to_stdout();
+ }
close_duck();
return 0;
}
diff --git a/libduck/libduck.c b/libduck/libduck.c
index 8fdee78..cb4e3ec 100644
--- a/libduck/libduck.c
+++ b/libduck/libduck.c
@@ -88,6 +88,15 @@ int duck_set_velocity(int motor, int deg_per_sec, int ms)
return duck_printf("v %d %d %d\n", motor, deg_per_sec, ms);
}
+void read_duck_to_stdout(void)
+{
+ while (1) {
+ char c;
+ if (read(duckfd, &c, 1) != 1) err(EXIT_FAILURE, "Read failed\n");
+ putchar(c);
+ }
+}
+
void close_duck(void)
{
if (duck_debug_mode) {
diff --git a/libduck/libduck.h b/libduck/libduck.h
index bea82bd..68e17cb 100644
--- a/libduck/libduck.h
+++ b/libduck/libduck.h
@@ -16,6 +16,7 @@ void configure_duck(void);
int duck_set_position(int motor, int angle);
int duck_delay(int ms);
int duck_set_velocity(int motor, int deg_per_sec, int ms);
+void read_duck_to_stdout(void);
void close_duck(void);
#endif /* _LIBDUCK_H */
--
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