From 9408d4c2378d271ce771c9c5f6d1ed2f474582a8 Mon Sep 17 00:00:00 2001
From: cuu <gnubsd@me.com>
Date: Sun, 13 Feb 2022 13:43:43 +0800
Subject: [PATCH] code fix

---
 Code/thermal_printer/devterm_thermal_printer.c | 4 ++--
 Code/thermal_printer/printer.h                 | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/Code/thermal_printer/devterm_thermal_printer.c b/Code/thermal_printer/devterm_thermal_printer.c
index d7d00c7..edf7668 100644
--- a/Code/thermal_printer/devterm_thermal_printer.c
+++ b/Code/thermal_printer/devterm_thermal_printer.c
@@ -111,8 +111,8 @@ void init_printer(){
     g_config.face = face;
     g_config.ft   = ft;
   }else {
-    g_config.face = null;
-    g_config.ft   = null;
+    g_config.face = NULL;
+    g_config.ft   = NULL;
   }
   
   g_config.line_space=0;
diff --git a/Code/thermal_printer/printer.h b/Code/thermal_printer/printer.h
index 837cf67..5aec191 100644
--- a/Code/thermal_printer/printer.h
+++ b/Code/thermal_printer/printer.h
@@ -37,7 +37,7 @@ uint8_t invert_bit(uint8_t a);
 uint8_t print_image8(CONFIG*);
 void print_cut_line(CONFIG*);
 
-void printer_set_font_mode(int);
+void printer_set_font_mode((CONFIG*cfg,int);
 void printer_set_font(CONFIG*cfg,uint8_t fnbits);
 void parse_serial_stream(CONFIG*cfg,uint8_t input_ch);