From 39c42b1d8352c7d96f0819fdd0e02b3964d75a7d Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Wed, 03 Nov 2021 22:45:22 +0800
Subject: [PATCH] update relay.c
---
/dev/null | 29 --------------
modules/c/relay.c | 34 ++++++++---------
2 files changed, 16 insertions(+), 47 deletions(-)
diff --git a/modules/c/relay.c b/modules/c/relay.c
index 3e360b7..f010c0f 100644
--- a/modules/c/relay.c
+++ b/modules/c/relay.c
@@ -14,11 +14,17 @@
#include <stdio.h>
#include <unistd.h>
#include <libgen.h>
-
#include <string.h>
-#include <wiringPi.h>
-#include "relay.h"
+#include <gpiod.h>
+
+#define ON 1
+#define OFF 0
+
+/* Relay #Pin(29) BCM(5) */
+#define relay_pin 5
+
+int turn_relay(int cmd);
int main (int argc, char **argv)
{
@@ -27,9 +33,6 @@
printf("Usage: %s [on/off]\n", basename(argv[0]));
return -1;
}
-
- wiringPiSetup();
- relay_init();
if( !strstr(argv[1], "on") || !strstr(argv[1], "on") )
{
@@ -43,21 +46,16 @@
return 0;
}
-void relay_init(void)
+static void gpiod_ctxless_cb(void *data)
{
- pinMode(RELAY_PIN, OUTPUT);
+ sleep(3);
}
-
-void turn_relay(int cmd)
+int turn_relay(int cmd)
{
- if( OFF == cmd )
- {
- digitalWrite ( RELAY_PIN, HIGH );
- }
- else
- {
- digitalWrite ( RELAY_PIN, LOW );
- }
+ if( OFF == cmd )
+ gpiod_ctxless_set_value("gpiochip0", relay_pin, 0, false, "relay", gpiod_ctxless_cb, NULL);
+ else
+ gpiod_ctxless_set_value("gpiochip0", relay_pin, 1, false, "relay", gpiod_ctxless_cb, NULL);
}
diff --git a/modules/c/relay.h b/modules/c/relay.h
deleted file mode 100644
index c2d238c..0000000
--- a/modules/c/relay.h
+++ /dev/null
@@ -1,29 +0,0 @@
-/********************************************************************************
- * Copyright: (C) 2019 LingYun IoT System Studio
- * All rights reserved.
- *
- * Filename: relay.h
- * Description: This head file
- *
- * Version: 1.0.0(30/01/19)
- * Author: Guo Wenxue <guowenxue@gmail.com>
- * ChangeLog: 1, Release initial version on "30/01/19 08:49:31"
- *
- ********************************************************************************/
-
-#ifndef _RELAY_H_
-#define _RELAY_H_
-
-#ifndef ON
-#define ON 1
-#define OFF 0
-#endif
-
-/* Moniter RPi I/O Pin connected to PIN#40, and wPi pin number is 29 */
-#define RELAY_PIN 29
-
-void relay_init(void);
-void turn_relay(int cmd);
-
-#endif /* ----- #ifndef _RELAY_H_ ----- */
-
--
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