From 96c7b0060731de6878f4fc16499aeccd626efc2a Mon Sep 17 00:00:00 2001
From: Sadeep Madurange <sadeep@asciimx.com>
Date: Mon, 5 May 2025 11:06:15 +0800
Subject: Chage wiring for bend.

---
 lock/bend.c | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

(limited to 'lock')

diff --git a/lock/bend.c b/lock/bend.c
index f4323b7..823fddd 100644
--- a/lock/bend.c
+++ b/lock/bend.c
@@ -21,13 +21,14 @@
 #define LOCK_PIN      PD2
 #define UNLOCK_PIN    PD3
 
-#define RX_PIN        PD7
-#define RX_DDR        DDRD
-#define RX_PORT       PORTD
-#define RX_PCIE       PCIE2
-#define RX_PCINT      PCINT23
-#define RX_PCMSK      PCMSK2
-#define RX_PCINTVEC   PCINT2_vect
+#define RX_IRQ_PIN    PC1
+#define RX_DDR        DDRC
+#define RX_PIN        PINC
+#define RX_ICR        PCICR 
+#define RX_IE         PCIE1
+#define RX_INT        PCINT9
+#define RX_MSK        PCMSK1
+#define RX_INTVEC     PCINT1_vect
 
 #define VCC_MIN       4900
 
@@ -84,10 +85,9 @@ static inline void init_wdt(void)
 
 static inline void init_rx(void)
 {
-	RX_DDR &= ~(1 << RX_PIN);
-	RX_PORT |= (1 << RX_PIN); 
-	PCICR |= (1 << RX_PCIE);
-	RX_PCMSK |= (1 << RX_PCINT);
+	RX_DDR &= ~(1 << RX_IRQ_PIN);
+	RX_ICR |= (1 << RX_IE);
+	RX_MSK |= (1 << RX_INT);
 }
 
 static inline void init_btns(void)
@@ -185,9 +185,10 @@ int main(void)
 	return 0;
 }
 
-ISR(RX_PCINTVEC)
+ISR(RX_INTVEC)
 {
-	rxd = 1;
+	if (!(RX_PIN & (1 << RX_IRQ_PIN)))
+		rxd = 1;
 }
 
 ISR(INT0_vect)
-- 
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