From 8913f64d481a3da19d7e03b619605dc67eaf0591 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Wed, 21 Apr 2021 22:22:08 +0800
Subject: [PATCH] update infrared test.c
---
modules/c/infrared.c | 62 +++++++++++++++++-------------
1 files changed, 35 insertions(+), 27 deletions(-)
diff --git a/modules/c/infrared.c b/modules/c/infrared.c
index 25cd18a..868638d 100644
--- a/modules/c/infrared.c
+++ b/modules/c/infrared.c
@@ -9,7 +9,8 @@
*
* PIN #PIN BCM wPi
* VCC(left) ---- 2 ---- 5v ---- 5v
- * I/O(mid) ---- 32 ---- 12 ---- 26
+ * I/O(indoor) ---- 16 ---- 23 ---- 4
+ * I/O(hallway) ---- 18 ---- 24 ---- 5
* GND(right) ---- 34 ---- 0v ---- 0v
*
* Version: 1.0.0(30/01/19)
@@ -20,13 +21,17 @@
#include <stdio.h>
#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+//#define CONFIG_USE_WIRINGPI
#ifdef CONFIG_USE_WIRINGPI
#include <wiringPi.h>
-#define INFRARED_PIN 26
+#define INFRARED_PIN 4
+//#define INFRARED_PIN 5
int main (int argc, char **argv)
{
@@ -39,7 +44,6 @@
sleep(1);
}
-
return 0;
}
@@ -47,7 +51,8 @@
#include <gpiod.h>
-#define INFRARED_PIN 12
+#define INFRARED_PIN 23
+//#define INFRARED_PIN 24
int main (int argc, char **argv)
{
@@ -59,44 +64,47 @@
chip = gpiod_chip_open_by_name("gpiochip0");
if( !chip )
{
- printf("gpiod open chip failure, maybe you need running as root\n");
- return 1;
+ printf("gpiod open chip failure, maybe you need running as root\n");
+ return 1;
}
line = gpiod_chip_get_line(chip, INFRARED_PIN);
if( !line )
{
- printf("gpiod get line[%d] failure\n", INFRARED_PIN);
- rv = 2;
- goto cleanup;
+ printf("gpiod get line[%d] failure\n", INFRARED_PIN);
+ rv = 2;
+ goto cleanup;
}
- if( gpiod_line_request_rising_edge_events(line, "infrared") < 0 )
+ //if( gpiod_line_request_rising_edge_events(line, "infrared") < 0 )
+ if( gpiod_line_request_falling_edge_events(line, "infrared") < 0 )
{
- printf("gpiod request rising edge event failure\n");
- rv = 3;
- goto cleanup;
+ printf("gpiod request rising edge event failure: %s\n", strerror(errno));
+ rv = 3;
+ goto cleanup;
}
while(1)
{
- /* This function will block, must call it to setup */
+ /* This function will block, must call it to setup */
+ printf("Start gpiod_line_event_wait...\n");
if( gpiod_line_event_wait(line, NULL) < 0 )
- {
- printf("gpiod line wait event failure!\n");
- }
-
- /* This function will block, must read to clear the event */
- if (gpiod_line_event_read(line, &event) < 0)
- {
- printf("gpiod line wait event failure!\n");
- }
+ {
+ printf("gpiod line wait event failure!\n");
+ }
- if (event.event_type == GPIOD_LINE_EVENT_RISING_EDGE)
- {
- printf("Infrared monitor: Someone is closing!\n");
- }
+ /* This function will block, must read to clear the event */
+ printf("Start gpiod_line_event_read...\n");
+ if (gpiod_line_event_read(line, &event) < 0)
+ {
+ printf("gpiod line wait event failure!\n");
+ }
+
+ if (event.event_type == GPIOD_LINE_EVENT_RISING_EDGE)
+ {
+ printf("Infrared monitor: Someone is closing!\n");
+ }
}
cleanup:
--
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