From b64d6ff04401ed85fce543b8e20c8c360fb284f5 Mon Sep 17 00:00:00 2001
From: Guo Wenxue <guowenxue@gmail.com>
Date: Thu, 27 Jun 2019 13:25:23 +0800
Subject: [PATCH] Update mqttd hal code, can control relay now

---
 mqttd/hal/relay.h |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/mqttd/hal/relay.h b/mqttd/hal/relay.h
index af47779..dd4754d 100644
--- a/mqttd/hal/relay.h
+++ b/mqttd/hal/relay.h
@@ -19,10 +19,12 @@
 #define OFF                 0
 #endif
 
-/*   I/O Pin connected to PIN#18, BCM code pin number is 24 and wPi pin number is 5 */
-#define RELAY_PIN           5
 
-void relay_init(void);
+/* I/O Pin connected to PIN#40, BCM code pin number is 21 and wPi pin number is 29, 
+ * can check by linux command <gpio readall> on RPi */
+#define RELAY_PIN           29
+
+void init_relay(void);
 void turn_relay(int cmd);
 
 #endif   /* ----- #ifndef _RELAY_H_  ----- */

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