1 files changed, 100 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/arm/lpc176x/include/gpio.h b/c/src/lib/libbsp/arm/lpc176x/include/gpio.h
new file mode 100644
index 0000000000..af5f9ec09c
--- /dev/null
+++ b/c/src/lib/libbsp/arm/lpc176x/include/gpio.h
@@ -0,0 +1,100 @@
+/**
+ * @file gpio.h
+ *
+ * @ingroup lpc176x
+ *
+ * @brief API of the GPIO driver for the lpc176x bsp in RTEMS.
+ */
+
+/*
+ * Copyright (c) 2014 Taller Technologies.
+ *
+ * @author  Boretto Martin    (martin.boretto@tallertechnologies.com)
+ * @author  Diaz Marcos (marcos.diaz@tallertechnologies.com)
+ * @author  Lenarduzzi Federico  (federico.lenarduzzi@tallertechnologies.com)
+ * @author  Daniel Chicco  (daniel.chicco@tallertechnologies.com)
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#ifndef LIBBSP_ARM_LPC176X_GPIO_H
+#define LIBBSP_ARM_LPC176X_GPIO_H
+
+#include <bsp/lpc176x.h>
+#include <bsp/gpio-defs.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * @brief Configures the pin as input or output GPIO.
+ *
+ * @param pin The pin to configure
+ * @param dir Input or output.
+ */
+rtems_status_code lpc176x_gpio_config(
+  lpc176x_pin_number     pin,
+  lpc176x_gpio_direction dir
+);
+
+/**
+ * @brief Configures the pin as input, enables interrupt for an
+ * edge/s and sets isrfunct as the function to call when that
+ * interrupt occurs.
+ *
+ * @param pin The pin to configure.
+ * @param edge Which edge or edges will activate the interrupt.
+ * @param isrfunct The function that is called when the interrupt occurs.
+ * @return RTEMS_SUCCESSFULL if the configurations was success.
+ */
+rtems_status_code lpc176x_gpio_config_input_with_interrupt(
+  lpc176x_pin_number              pin,
+  lpc176x_gpio_interrupt          edge,
+  lpc176x_gpio_interrupt_function isrfunct
+);
+
+/**
+ * @brief Sets the output pin to 1.
+ *
+ * @param pin The pin to set
+ */
+rtems_status_code lpc176x_gpio_set_pin( lpc176x_pin_number pin );
+
+/**
+ * @brief Sets the output pin to 0.
+ *
+ * @param pin The pin to set
+ */
+rtems_status_code lpc176x_gpio_clear_pin( lpc176x_pin_number pin );
+
+/**
+ * @brief Sets the output pin to 0 or 1 according to value.
+ *
+ * @param pin The pin to set
+ * @param value the value to set.
+ */
+rtems_status_code lpc176x_gpio_write_pin(
+  lpc176x_pin_number pin,
+  bool               value
+);
+
+/**
+ * @brief Returns the value at the given input pin.
+ *
+ * @param pin The pin where to read the value.
+ * @param pin_value TRUE if the pin value was getted successfuly.
+ * @return RTEMS_SUCCESSFUL if the pin value was getted successfuly.
+ */
+rtems_status_code lpc176x_gpio_get_pin_value(
+  lpc176x_pin_number pin,
+  bool              *pin_value
+);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_ARM_LPC176X_GPIO_H */