Update readme.

1 files changed, 10 insertions, 30 deletions

diff --git a/fpm.c b/fpm.c
index 7bfc4be..4f058ef 100644
--- a/fpm.c
+++ b/fpm.c
@@ -129,24 +129,6 @@ static inline uint8_t check_pwd(void)
 	return buf[0] == OK;
 }
 
-static inline void scan(uint8_t bufid)
-{
-	uint16_t n;
-	uint8_t buf[MAXPDLEN];
-
-	do {
-		buf[0] = 0x01;
-		send(0x01, buf, 1);
-		recv(buf, &n);
-		if (buf[0] == OK) {
-			buf[0] = 0x02;
-			buf[1] = bufid;
-			send(0x01, buf, 2);
-			recv(buf, &n);
-		}
-	} while (buf[0] != OK);
-}
-
 uint8_t fpm_init(void)
 {
 	UBRR0H = UBRRH_VALUE;
@@ -230,6 +212,7 @@ uint8_t fpm_enroll(void)
 	uint8_t buf[MAXPDLEN];
 	
 	retries = 0;
+
 	do {
 		_delay_ms(100);
 		buf[0] = 0x10;
@@ -243,20 +226,17 @@ uint8_t fpm_enroll(void)
 
 uint8_t fpm_match(void)
 {
-	uint16_t n, count;
+	uint16_t n, retries;
 	uint8_t buf[MAXPDLEN];
 
-	scan(1);
-	count = fpm_getcount();
-
-	buf[0] = 0x04;
-	buf[1] = 1;
-	buf[2] = 0x00;
-	buf[3] = 0x00;
-	buf[4] = (uint8_t)(count >> 8);
-	buf[5] = (uint8_t)(count & 0xFF);
+	retries = 0;
+	
+	do {
+		_delay_ms(100);
+		buf[0] = 0x11;
+		send(0x01, buf, 1);
+		recv(buf, &n);
+	} while (buf[0] != OK && retries < 50);
 
-	send(0x01, buf, 6);
-	recv(buf, &n);
 	return buf[0] == OK;
 }