From d969f74cae81eb01d2615d0f998f28086cae2f9a Mon Sep 17 00:00:00 2001
From: Travis Goodspeed <travis@radiantmachines.com>
Date: Sun, 29 Jul 2018 12:45:43 -0400
Subject: [PATCH] RNG app no longer draws when unnecessary.

---
 firmware/apps/rngapp.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/firmware/apps/rngapp.c b/firmware/apps/rngapp.c
index 7659f06..06f5191 100644
--- a/firmware/apps/rngapp.c
+++ b/firmware/apps/rngapp.c
@@ -20,6 +20,7 @@ static unsigned int num = 0, last_num = 0;
 
 //! Enter the rng tool.
 void rngapp_init(){
+  lcd_string("press 0 ");
   rng_disp_format = DECIMAL;
 }
 //! Exit the rng tool.
@@ -48,9 +49,7 @@ int rngapp_keypress(char ch){
 
 //! Draw the screen, only if the number has changed.
 void rngapp_draw(){
-  if (!num) {
-    lcd_string("press 0 ");
-  } else if (num!=last_num) {
+  if (num!=last_num) {
     last_num=num;
     lcd_string("        ");
     if (rng_disp_format == DECIMAL) {