anzeige.c: längerer Text-Puffer, kleine Bugs entfernt

1 files changed, 8 insertions, 7 deletions

diff --git a/anzeige.c b/anzeige.c
index b10d319..77b0cc3 100644
--- a/anzeige.c
+++ b/anzeige.c
@@ -20,6 +20,7 @@ int main(int argc, char **argv)
   pthread_t thread_id;
   t_display_data display_data;
   int ret_val;
+  #define TEXT_BUFFER_LENGTH 42
   unsigned char *text_buffer;
   t_scroll_buffer scroll_buffers[2];
 
@@ -43,24 +44,24 @@ int main(int argc, char **argv)
 
   int i,j,k;
 
-  text_buffer = malloc(24);
+  text_buffer = malloc(TEXT_BUFFER_LENGTH);
   if (text_buffer == NULL) {
     fprintf(stderr, "malloc failed to allocate 24 bytes\n");
     exit(EXIT_FAILURE);
   }
-  memset(text_buffer, 0, sizeof(text_buffer));
+  memset(text_buffer, 0, TEXT_BUFFER_LENGTH);
 
-  ret_val = gadgets_retrieve_temperature(text_buffer,sizeof(text_buffer));
+  ret_val = gadgets_retrieve_temperature(text_buffer,TEXT_BUFFER_LENGTH);
   if (ret_val) {
     free(text_buffer);
     exit(ret_val);
   }
 
-  scroll_buffers[0].scroll_len = render(text_buffer, sizeof(text_buffer), scroll_buffers[0].buf, sizeof(scroll_buffers[0].buf), 1);
+  scroll_buffers[0].scroll_len = render(text_buffer, TEXT_BUFFER_LENGTH, scroll_buffers[0].buf, sizeof(scroll_buffers[0].buf), 1);
 
-  for (i=0; i<100; i++) {
-    usleep(250000);
-    for (j=0; j<39; j++)
+  for (i=0; i<250; i++) {
+    usleep(100000);
+    for (j=0; j<40; j++)
       display_data.buf[(display_data.should_buf+1)%3][j] = scroll_buffers[0].buf[(i+j) % scroll_buffers[0].scroll_len];
     display_data.should_buf = (display_data.should_buf+1)%3;
   }