Changes between Version 1 and Version 2 of gpio

Timestamp:

03/05/2018 10:30:51 PM (7 years ago)

Author:

Tim Harvey

Comment:

updated gpio.c example

gpio

@@ -223 +223 @@
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 #include <unistd.h>
 #ifdef __ANDROID__
@@ -236 +237 @@
  */
 #define BLOCK_TIME 5
+/* seconds held for reboot */
+#define REBOOT_TIME 15
 /* seconds before press-and-release count is cleared */
 #define MIN_REST_TIME 2
@@ -262 +265 @@
                 printf("held=%ld\n", held);
 
-                /* if held for more than 5 seconds */
-                if (held >= 5) {
+                /* if held for more than REBOOT_TIME seconds */
+                if (held >= REBOOT_TIME) {
                         printf("Powering system down\n");
 #ifdef __ANDROID__
@@ -282 +285 @@
 
                         /* perform something on number of presses? */
-                } else {
+            
                         printf("reset count\n");
                         num_releases = 0;
@@ -335 +338 @@
                 fdset.events = POLLPRI;
                 fdset.revents = 0;
-                if ((c = poll(&fdset, 1, 10000)) < 0) {
+                if ((c = poll(&fdset, 1, BLOCK_TIME*1000)) < 0) {
                         perror("poll() failed");
                         break;
                 }
 
-                if (fdset.revents & POLLPRI) {
+                //if (fdset.revents & POLLPRI)
+                {
                         /* show gpio value */
                         /* Note that both an lseek and read are necessary
@@ -355 +359 @@
         return 0;
 }
+
 }}}