From 099a4f80e6e869582b5abc6d12d381bf6c48780f Mon Sep 17 00:00:00 2001
From: Sadeep Madurange <sadeep@asciimx.com>
Date: Wed, 7 May 2025 17:51:32 +0800
Subject: Match print.

---
 main.c | 11 +++++++++--
 r503.c | 49 ++++++++++++++++++++++++++++++++++++++++++++++---
 r503.h |  8 ++++++--
 3 files changed, 61 insertions(+), 7 deletions(-)

diff --git a/main.c b/main.c
index 858034f..155cca7 100644
--- a/main.c
+++ b/main.c
@@ -42,10 +42,9 @@ int main(void)
 	
 	fpm_init();
 	fpm_get_cfg(&cfg);
-	fpm_clear_db();
 
 	if (fpm_get_count() == 0) {
-		// todo: check againstr capacity in prod
+		// todo: check against capacity in prod
 		if (fpm_enroll(1)) {
 			fpm_led_on(BLUE);
 			_delay_ms(500);
@@ -61,6 +60,14 @@ int main(void)
 
     while (1) 
     {	
+		if (fpm_match()) {
+			fpm_led_on(BLUE);
+			_delay_ms(500);
+			fpm_led_off();
+			_delay_ms(500);
+		}
+
+		_delay_ms(2000);
     }
 
 	return 0;
diff --git a/r503.c b/r503.c
index f78b0ac..4a7b90f 100644
--- a/r503.c
+++ b/r503.c
@@ -228,13 +228,18 @@ uint8_t fpm_get_cfg(struct fpm_cfg *cfg)
 	return 0;
 }
 
-uint8_t fpm_clear_db(void)
+uint8_t fpm_set_pwd(uint32_t pwd)
 {
 	uint16_t n;
 	uint8_t buf[MAXPDLEN];
 
-	buf[0] = 0x0D;
-	send(0x01, buf, 1);
+	buf[0] = 0x12;
+	buf[1] = (uint8_t)(pwd >> 24);
+	buf[2] = (uint8_t)(pwd >> 16);
+	buf[3] = (uint8_t)(pwd >> 8);
+	buf[4] = (uint8_t)(pwd & 0xFF);
+
+	send(0x01, buf, 5);
 	recv(buf, &n);
 	return buf[0] == OK;
 }
@@ -291,3 +296,41 @@ uint8_t fpm_enroll(uint16_t id)
 
 	return buf[0] == OK;
 }
+
+uint8_t fpm_match(void)
+{
+	struct fpm_cfg cfg;
+	uint16_t n;
+	uint8_t buf[MAXPDLEN];
+
+	if (!fpm_get_cfg(&cfg))
+		return 0;
+	
+	if (!scan())
+		return 0;
+
+	if (!img2tz(1))
+		return 0;
+
+	buf[0] = 0x04;
+	buf[1] = 1;
+	buf[2] = 0x00;
+	buf[3] = 0x00;
+	buf[4] = (uint8_t)(cfg.cap >> 8);
+	buf[5] = (uint8_t)(cfg.cap & 0xFF);
+	
+	send(0x01, buf, 6);
+	recv(buf, &n);
+	return buf[0] == OK;
+}
+
+uint8_t fpm_clear_db(void)
+{
+	uint16_t n;
+	uint8_t buf[MAXPDLEN];
+
+	buf[0] = 0x0D;
+	send(0x01, buf, 1);
+	recv(buf, &n);
+	return buf[0] == OK;
+}
diff --git a/r503.h b/r503.h
index 9cf4909..936e4f6 100644
--- a/r503.h
+++ b/r503.h
@@ -23,14 +23,18 @@ uint8_t fpm_init(void);
 
 uint8_t fpm_get_cfg(struct fpm_cfg *cfg);
 
+uint8_t fpm_set_pwd(uint32_t pwd);
+
 void fpm_led_on(COLOR color);
 
 void fpm_led_off(void);
 
-uint8_t fpm_clear_db(void);
-
 uint16_t fpm_get_count(void);
 
 uint8_t fpm_enroll(uint16_t id);
 
+uint8_t fpm_match(void);
+
+uint8_t fpm_clear_db(void);
+
 #endif /* FPM_R50_H */
-- 
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