From b0323b1b23ce955fd1d65cc6f7625ff6ca65fc5f Mon Sep 17 00:00:00 2001
From: Sadeep Madurange <sadeep@asciimx.com>
Date: Sat, 14 Jun 2025 16:53:15 +0800
Subject: Fix FPM touch reset problem.

---
 main.c | 27 +++++++++++++++------------
 1 file changed, 15 insertions(+), 12 deletions(-)

diff --git a/main.c b/main.c
index 913b559..d2366fc 100644
--- a/main.c
+++ b/main.c
@@ -89,6 +89,16 @@ uint16_t getvcc(void)
 	return vcc;
 }
 
+static inline void flash(void)
+{
+	for (int i = 0; i < 4; i++) {
+		LED_PORT |= (1 << LED_PIN);
+		_delay_ms(70);
+		LED_PORT &= ~(1 << LED_PIN);
+		_delay_ms(70);
+	}
+}
+
 int main(void)
 {
 	uint16_t id;
@@ -104,13 +114,6 @@ int main(void)
 	LED_DDR |= (1 << LED_PIN);
 	LED_PORT &= ~(1 << LED_PIN);
 
-	for (int i = 0; i < 4; i++) {
-		LED_PORT |= (1 << LED_PIN);
-		_delay_ms(70);
-		LED_PORT &= ~(1 << LED_PIN);
-		_delay_ms(70);
-	}
-
 	/* init input ports */
 	INPUT_DDR &= ~((1 << BACK_LOCK_PIN) | (1 << BACK_UNLOCK_PIN) | 
 	               (1 << FRONT_LOCK_PIN) | (1 << FRONT_UNLOCK_PIN) | 
@@ -135,6 +138,7 @@ int main(void)
 	SERVO_DDR |= (1 << SERVO_PIN);
 
 	fpm_init();
+	flash();
 
 	for (;;) {
 		cli();	
@@ -157,6 +161,7 @@ int main(void)
 			break;
 		case BUNLOCK:
 			unlock();
+			fpm_led(FLASH, BLUE, 1);
 			break;
 		case ENROLL:
 			id = fpm_match();
@@ -173,10 +178,7 @@ int main(void)
 			break;
 		}
 
-		cmd = 0;
-
-		if (getvcc() < VCC_MIN)
-			LED_PORT |= (1 << LED_PIN);
+		cmd = NONE;
 
 		set_sleep_mode(SLEEP_MODE_PWR_DOWN);
 		sleep_enable();
@@ -201,7 +203,8 @@ static inline int is_pressed(uint8_t btn)
 ISR(FPM_INT_VEC)
 {
 	cli();
-	cmd = FUNLOCK;
+	if (is_pressed(FRONT_UNLOCK_PIN))
+		cmd = FUNLOCK;
 	sei();
 }
 
-- 
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