From 95b6e45c0c4470f8c637cb19507dc6f47533f628 Mon Sep 17 00:00:00 2001
From: Bah Thierno-Souleymane <thiernosouleymane.bah.etu@univ-lille.fr>
Date: Sat, 15 May 2021 14:19:14 +0200
Subject: [PATCH] feat(getc with semanphore implemented, everything works as
expected)
---
src/keyboard.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/keyboard.c b/src/keyboard.c
index 03ce2fe..e57f2ae 100644
--- a/src/keyboard.c
+++ b/src/keyboard.c
@@ -99,7 +99,7 @@ void add_to_queue(unsigned char c)
keyboard_queue.array[keyboard_queue.first_free] = c;
keyboard_queue.first_free = (keyboard_queue.first_free + 1) % QUEUE_SIZE;
keyboard_queue.cpt++;
- // sem_up(&keyboard_sem);
+ sem_up(&keyboard_sem);
}
irq_enable();
@@ -112,7 +112,7 @@ char getc()
char c = NONE;
if (keyboard_queue.cpt)
{
- // sem_down(&keyboard_sem);
+ sem_down(&keyboard_sem);
int idx = (keyboard_queue.first_free + QUEUE_SIZE - keyboard_queue.cpt) % QUEUE_SIZE;
c = keyboard_queue.array[idx];
keyboard_queue.cpt--;
--
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