From d5d1f76a0b8fb1603f509e1296e9a29bf5dfa879 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Mon, 29 Oct 2018 09:29:55 +0100
Subject: multiplexer.c: cleanup

---
 multiplexer.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'multiplexer.c')

diff --git a/multiplexer.c b/multiplexer.c
index 52c7af1..641e2ce 100644
--- a/multiplexer.c
+++ b/multiplexer.c
@@ -73,10 +73,10 @@ void *put_on_display(void *param)
     for (line=0; line<7; line++) {
 #ifdef SKIP_GPIO
       for (column=0; column<40; column++) {
-        if ((*(display_data -> buf[display_data -> is_buf] + column)>>line) & 0x01)
+        if (display_data -> buf[display_data -> is_buf][column] & (0x01 << line))
           printf("X");
         else
-          printf(".");
+          printf(" ");
 #else
       GPIO_CLR = 1<<GATE_PIN; // Licht an
       for (column=0; column<8; column++) {
@@ -88,8 +88,8 @@ void *put_on_display(void *param)
       }
       for (column=39; column>=0; column--) {
         GPIO_CLR = 1<<SER_CLK_PIN;
-        GPIO_ALTER((*(display_data -> buf[display_data -> is_buf] + column)>>line) & 0x01) = 1<<SER_DAT_PIN;
-        usleep(250);
+        GPIO_ALTER(display_data -> buf[display_data -> is_buf][column] & (0x01 << line)) = 1<<SER_DAT_PIN;
+        usleep(5);
         GPIO_SET = 1<<SER_CLK_PIN;
         usleep(250);
 #endif
-- 
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