[PATCH] GPIO Driver Sample Application

Ketul Shah ketulshah1993 at gmail.com
Tue Jun 30 10:01:38 UTC 2015


diff --git a/testsuites/samples/gpio/init.c b/testsuites/samples/gpio/init.c
new file mode 100644
index 0000000..391d80c
--- /dev/null
+++ b/testsuites/samples/gpio/init.c
@@ -0,0 +1,94 @@
+/*
+ *  Copyright (c) 2015 Ketul Shah <ketulshah1993 at gmail.com>
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <rtems/test.h>
+#include <bsp/beagleboneblack.h> /* Calls the BBB specific library */
+#include <rtems/gpio.h> /* Calls the BSP gpio library */
+#include <stdio.h>
+#include <stdlib.h>
+
+static void inline delay_sec(int sec)
+{
+  rtems_task_wake_after(sec*rtems_clock_get_ticks_per_second());
+}
+/* forward declarations to avoid warnings */
+rtems_task Init(rtems_task_argument argument);
+
+const char rtems_test_name[] = "Gpio Test";
+
+rtems_task Init(
+  rtems_task_argument ignored
+)
+{
+  rtems_test_begin();
+  printf("Starting Gpio Testing\n");
+ 
+ /* Intializing GPIO API */
+  rtems_gpio_initialize();
+  static gpio_pin_handle led_usr0_handle, led_usr1_handle, led_usr2_handle;
+  static gpio_pin_handle led_usr3_handle;
+  static unsigned int status;
+ 
+  status = rtems_gpio_configure_pin_digital_out(&led_usr0_handle, BBB_LED_USR0);
+  if (status == GPIO_SUCCESSFUL) {
+    rtems_gpio_digital_set(&led_usr0_handle);
+    delay_sec(1);
+    rtems_gpio_digital_clear(&led_usr0_handle);
+    delay_sec(1);
+    rtems_gpio_release_pin(&led_usr0_handle);
+  }
+  status = rtems_gpio_configure_pin_digital_out(&led_usr1_handle, BBB_LED_USR1);
+  if (status == GPIO_SUCCESSFUL) {
+    rtems_gpio_digital_set(&led_usr1_handle);
+    delay_sec(1);
+    rtems_gpio_digital_clear(&led_usr1_handle);
+    delay_sec(1);
+    rtems_gpio_release_pin(&led_usr1_handle);
+  }
+  status = rtems_gpio_configure_pin_digital_out(&led_usr2_handle, BBB_LED_USR2);
+  if (status == GPIO_SUCCESSFUL) {
+    rtems_gpio_digital_set(&led_usr2_handle);
+    delay_sec(1);
+    rtems_gpio_digital_clear(&led_usr2_handle);
+    delay_sec(1);
+    rtems_gpio_release_pin(&led_usr2_handle);
+  }
+  status = rtems_gpio_configure_pin_digital_out(&led_usr3_handle, BBB_LED_USR3);
+  if (status == GPIO_SUCCESSFUL) {
+    rtems_gpio_digital_set(&led_usr3_handle);
+    delay_sec(1);
+    rtems_gpio_digital_clear(&led_usr3_handle);
+    delay_sec(1);
+    rtems_gpio_release_pin(&led_usr3_handle);
+  }
+  printf("Gpio Test Completed\n");
+  rtems_test_end();
+  exit( 0 );
+}
+
+/* NOTICE: the clock driver is enabled */
+#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
+#define CONFIGURE_APPLICATION_NEEDS_CONSOLE_DRIVER
+ 
+#define CONFIGURE_MAXIMUM_TASKS            1
+#define CONFIGURE_USE_DEVFS_AS_BASE_FILESYSTEM
+
+#define CONFIGURE_MAXIMUM_SEMAPHORES    1
+ 
+#define CONFIGURE_RTEMS_INIT_TASKS_TABLE 
+
+#define CONFIGURE_EXTRA_TASK_STACKS         (2 * RTEMS_MINIMUM_STACK_SIZE)
+ 
+#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
+ 
+#define CONFIGURE_INIT
+#include <rtems/confdefs.h>
\ No newline at end of file

diff --git a/testsuites/samples/gpio/gpio.doc b/testsuites/samples/gpio/gpio.doc
new file mode 100644
index 0000000..9812864
--- /dev/null
+++ b/testsuites/samples/gpio/gpio.doc
@@ -0,0 +1,9 @@
+#  COPYRIGHT (c) 1989-1999.
+#  On-Line Applications Research Corporation (OAR).
+#
+#  The license and distribution terms for this file may be
+#  found in the file LICENSE in this distribution or at
+#  http://www.rtems.org/license/LICENSE.
+#
+
+
diff --git a/testsuites/samples/gpio/gpio.scn b/testsuites/samples/gpio/gpio.scn
new file mode 100644
index 0000000..057ab6e
--- /dev/null
+++ b/testsuites/samples/gpio/gpio.scn
@@ -0,0 +1,3 @@
+*** GPIO TEST ***
+Gpio Testing
+*** END OF GPIO TEST ***


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