From 05e1fedcc9cd30d1a34a65e640da45e980b4f859 Mon Sep 17 00:00:00 2001 From: Marvin Borner Date: Thu, 19 Sep 2019 19:56:59 +0200 Subject: Moved source to kernel directory --- src/sound/frequency.c | 31 ------------------------------- 1 file changed, 31 deletions(-) delete mode 100644 src/sound/frequency.c (limited to 'src/sound/frequency.c') diff --git a/src/sound/frequency.c b/src/sound/frequency.c deleted file mode 100644 index 6d02690..0000000 --- a/src/sound/frequency.c +++ /dev/null @@ -1,31 +0,0 @@ -#include -#include "../io/io.h" -#include "../timer/timer.h" - -static void play_sound(uint32_t frequency) { - uint32_t divided; - uint8_t tmp; - - divided = 1193180 / frequency; - send(0x43, 0xb6); - send(0x42, (uint8_t) (divided)); - send(0x42, (uint8_t) (divided >> 8)); - - tmp = receive(0x61); - if (tmp != (tmp | 3)) { - send(0x61, tmp | 3); - } -} - -static void shut_up() { - uint8_t tmp = receive(0x61) & 0xFC; - - send(0x61, tmp); -} - -//Make a beep -void beep(uint32_t frequency, uint32_t ticks) { - play_sound(frequency); - timer_wait(ticks); - shut_up(); -} \ No newline at end of file -- cgit v1.2.3