1 files changed, 42 insertions, 0 deletions
diff --git a/common/recipes-lib/gpio/files/src/gpio.h b/common/recipes-lib/gpio/files/src/gpio.h
new file mode 100644
index 0000000..3303986
--- /dev/null
+++ b/common/recipes-lib/gpio/files/src/gpio.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2014-present Facebook. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#ifndef GPIO_H
+#define GPIO_H
+
+typedef struct {
+  int gs_gpio;
+  int gs_fd;
+} gpio_st;
+
+typedef enum {
+  GPIO_DIRECTION_IN,
+  GPIO_DIRECTION_OUT,
+} gpio_direction_en;
+
+typedef enum {
+  GPIO_VALUE_LOW = 0,
+  GPIO_VALUE_HIGH = 1,
+} gpio_value_en;
+
+int gpio_open(gpio_st* g, int gpio);
+void gpio_close(gpio_st *g);
+gpio_value_en gpio_read(gpio_st *g);
+void gpio_write(gpio_st *g, gpio_value_en v);
+int gpio_change_direction(gpio_st *g, gpio_direction_en dir);
+
+#endif