From ef4e182a426a405f0d469a85f7513e01fd9ee75c Mon Sep 17 00:00:00 2001
From: Marvin Borner
Date: Sat, 12 Oct 2019 17:54:25 +0200
Subject: Testing vesa text display

I absolutely don't know why it doesn't work :(
---
 src/kernel/io/io.c | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'src/kernel/io/io.c')

diff --git a/src/kernel/io/io.c b/src/kernel/io/io.c
index 7cb364c..30dcee2 100644
--- a/src/kernel/io/io.c
+++ b/src/kernel/io/io.c
@@ -1,5 +1,6 @@
 #include <stdint.h>
 #include "../lib/lib.h"
+#include "io.h"
 
 uint8_t receive_b(uint16_t port) {
     unsigned char value;
@@ -39,6 +40,7 @@ void init_serial() {
     send_b(0x3f8 + 3, 0x03);
     send_b(0x3f8 + 2, 0xC7);
     send_b(0x3f8 + 4, 0x0B);
+    write_serial("Installed serial connection!");
 }
 
 int is_transmit_empty() {
@@ -50,4 +52,9 @@ void write_serial(char *data) {
         while (is_transmit_empty() == 0);
         send_b(0x3f8, data[i]);
     }
+    char *linebreak = "\n";
+    for (size_t i = 0; i < strlen(linebreak); i++) {
+        while (is_transmit_empty() == 0);
+        send_b(0x3f8, linebreak[i]);
+    }
 }
-- 
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