4 files changed, 29 insertions, 3 deletions
diff --git a/fpm.c b/fpm.c
index 657a1a8..a58045e 100644
--- a/fpm.c
+++ b/fpm.c
@@ -195,7 +195,7 @@ uint8_t fpm_setpwd(uint32_t pwd)
 	return buf[0] == OK;
 }
 
-uint16_t fpm_getcount(void)
+uint16_t fpm_get_count(void)
 {
 	uint16_t n, count;
 	uint8_t buf[MAXPDLEN];
diff --git a/main.c b/main.c
index 5b616b3..ba5f6e6 100644
--- a/main.c
+++ b/main.c
@@ -39,8 +39,14 @@ int main(void)
 	sei();
 	
 	fpm_init();
-	if (fpm_clear_db())
-		fpm_led_on(PURPLE);
+	if (fpm_get_count() == 0) {
+		for (;;) {
+			fpm_led_on(PURPLE);
+			_delay_ms(500);
+			fpm_led_off();
+			_delay_ms(500);
+		}
+	}
 
     while (1) 
     {	
diff --git a/r503.c b/r503.c
index e970c59..434e3fe 100644
--- a/r503.c
+++ b/r503.c
@@ -182,3 +182,21 @@ uint8_t fpm_clear_db(void)
 	recv(buf, &n);
 	return buf[0] == OK;
 }
+
+uint16_t fpm_get_count(void)
+{
+	uint16_t n, count;
+	uint8_t buf[MAXPDLEN];
+
+	buf[0] = 0x1D;
+	send(0x01, buf, 1);
+	recv(buf, &n);
+
+	count = 0;
+	if (buf[0] == OK && n >= 2) {
+		count = buf[1];
+		count <<= 8;
+		count |= buf[2];
+	}
+	return count;
+}
diff --git a/r503.h b/r503.h
index f941cb9..e12b8f2 100644
--- a/r503.h
+++ b/r503.h
@@ -17,4 +17,6 @@ void fpm_led_off(void);
 
 uint8_t fpm_clear_db(void);
 
+uint16_t fpm_get_count(void);
+
 #endif /* FPM_R50_H */