From a6b67d12dc98e48fae69c8df411a3dda65ea48cf Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Mon, 16 Sep 2019 20:01:31 +0200
Subject: Added small boot-up chime

---
 src/kernel.c          | 10 +++++++++-
 src/sound/frequency.c |  7 +++----
 src/sound/sound.h     |  2 +-
 3 files changed, 13 insertions(+), 6 deletions(-)

(limited to 'src')

diff --git a/src/kernel.c b/src/kernel.c
index 102c21e..ca4150e 100644
--- a/src/kernel.c
+++ b/src/kernel.c
@@ -19,6 +19,14 @@ void kernel_main(void) {
     mouse_install();
 
     terminal_write_string("Melvix loaded successfully!\n");
-    beep();
+
+    beep(262, 20);
+    beep(294, 20);
+    beep(330, 20);
+    beep(349, 20);
+    beep(392, 20);
+    beep(440, 20);
+    beep(494, 20);
+    beep(523, 20);
     // __asm__  ("div %0" :: "r"(0)); // Exception testing x/0
 }
\ No newline at end of file
diff --git a/src/sound/frequency.c b/src/sound/frequency.c
index e5e831c..6d02690 100644
--- a/src/sound/frequency.c
+++ b/src/sound/frequency.c
@@ -11,7 +11,6 @@ static void play_sound(uint32_t frequency) {
     send(0x42, (uint8_t) (divided));
     send(0x42, (uint8_t) (divided >> 8));
 
-    //And play the sound using the PC speaker
     tmp = receive(0x61);
     if (tmp != (tmp | 3)) {
         send(0x61, tmp | 3);
@@ -25,8 +24,8 @@ static void shut_up() {
 }
 
 //Make a beep
-void beep() {
-    play_sound(1000);
-    timer_wait(100);
+void beep(uint32_t frequency, uint32_t ticks) {
+    play_sound(frequency);
+    timer_wait(ticks);
     shut_up();
 }
\ No newline at end of file
diff --git a/src/sound/sound.h b/src/sound/sound.h
index f8692ea..baf70b2 100644
--- a/src/sound/sound.h
+++ b/src/sound/sound.h
@@ -1,6 +1,6 @@
 #ifndef MELVIX_SOUND_H
 #define MELVIX_SOUND_H
 
-void beep();
+void beep(uint32_t frequency, uint32_t ticks);
 
 #endif
-- 
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