updated examples to fix issue #6

piface · Oct 30, 2014 · 6c0af02 · 6c0af02
1 parent 5377c46
commit 6c0af02
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Showing 2 changed files with 15 additions and 4 deletions.
diff --git a/example-interrupt.c b/example-interrupt.c
@@ -123,9 +123,13 @@ int main(int argc, char *argv[])
     }
     else {
         printf("Waiting for input (press any button on the PiFaceDigital)\n");
-        interrupt_ret = pifacedigital_wait_for_input(-1, hw_addr);
+        interrupt_ret = pifacedigital_wait_for_input(&inputs, 5, hw_addr);
         if (interrupt_ret > 0) {
-            printf("Inputs: 0x%x\n", inputs);
+            printf("Interrupt detected. Inputs: 0x%x\n", inputs);
+        } else if (interrupt_ret == 0) {
+            printf("Interrupt timeout\n");
+        } else {
+            printf("Interrupt error\n");
         }
     }
 

diff --git a/example.c b/example.c
@@ -8,6 +8,7 @@ int main( int argc, char *argv[] )
 {
     uint8_t i = 0;     /**< Loop iterator */
     uint8_t inputs;    /**< Input bits (pins 0-7) */
+    int interrupt_ret; /* Interrupt return value */
     int hw_addr = 0;   /**< PiFaceDigital hardware address  */
     int intenable = 1; /**< Whether or not interrupts are enabled  */
 
@@ -122,8 +123,14 @@ int main( int argc, char *argv[] )
     }
     else {
         printf("Waiting for input (press any button on the PiFaceDigital)\n");
-        inputs = pifacedigital_wait_for_input(-1, hw_addr);
-        printf("Inputs: 0x%x\n", inputs);
+        interrupt_ret = pifacedigital_wait_for_input(&inputs, 5, hw_addr);
+        if (interrupt_ret > 0) {
+            printf("Interrupt detected. Inputs: 0x%x\n", inputs);
+        } else if (interrupt_ret == 0) {
+            printf("Interrupt timeout\n");
+        } else {
+            printf("Interrupt error\n");
+        }
     }
 
     /**