1 files changed, 8 insertions, 3 deletions

diff --git a/kbc.c b/kbc.c
index 81ba569..3568eda 100644
--- a/kbc.c
+++ b/kbc.c
@@ -90,6 +90,7 @@ static void usart_dis()
         (void)UDR0;
 }
 
+#if 0
 static uint8_t dbgtx[64];
 static uint8_t dbgpos;
 
@@ -121,6 +122,10 @@ static void dbg_init(void)
         /* MSB first, cpol = rise,fall, cpha = sample(r),setup(f) */
         SPCR = (1 << SPIE) | (1 << SPE);
 }
+#else
+#define dbg_init()
+#define dbg_wr(x)
+#endif
 
 static volatile uint8_t statecntr = 0;
 
@@ -332,8 +337,8 @@ static uint8_t cntr = 0;
 static uint8_t error;
 #endif
 
-static const EEMEM char passwd[sizeof(PIN) - 1] = PIN;
-static char code[sizeof(PIN)];
+static const EEMEM uint8_t passwd[sizeof(PIN) - 1] = PIN;
+static uint8_t code[sizeof(PIN)];
 
 static void state_enter(void)
 {
@@ -479,7 +484,7 @@ ISR(SIG_OVERFLOW0)
 #define ENT     0x0d
 
 #define KBC_BASE 0x16
-const PROGMEM char kbc[] = {
+const PROGMEM uint8_t kbc[] = {
 /*       0    1    2    3    4    5    6    7
  *       8    9    a    b    c    d    e    f
  */