1 files changed, 68 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/metal/led.h b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/metal/led.h
new file mode 100644
index 000000000..f2aa39ceb
--- /dev/null
+++ b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/metal/led.h
@@ -0,0 +1,68 @@
+/* Copyright 2018 SiFive, Inc */
+/* SPDX-License-Identifier: Apache-2.0 */
+
+#ifndef METAL__LED_H
+#define METAL__LED_H
+
+/*!
+ * @file led.h
+ * @brief API for manipulating LEDs
+ */
+
+struct metal_led;
+
+struct metal_led_vtable {
+    int (*led_exist)(struct metal_led *led, char *label);
+    void (*led_enable)(struct metal_led *led);
+    void (*led_on)(struct metal_led *led);
+    void (*led_off)(struct metal_led *led);
+    void (*led_toggle)(struct metal_led *led);
+};
+
+/*!
+ * @brief A handle for an LED
+ */
+struct metal_led {
+    const struct metal_led_vtable *vtable;
+};
+
+/*!
+ * @brief Get a handle for an LED
+ * @param label The DeviceTree label for the desired LED
+ * @return A handle to the LED, or NULL if none is found for the requested label
+ */
+struct metal_led* metal_led_get(char *label);
+
+/*!
+ * @brief Get a handle for a channel of an RGB LED
+ * @param label The DeviceTree label for the desired LED
+ * @param color The color for the LED in the DeviceTree
+ * @return A handle to the LED, or NULL if none is found for the requested label and color
+ */
+struct metal_led* metal_led_get_rgb(char *label, char *color);
+
+/*!
+ * @brief Enable an LED
+ * @param led The handle for the LED
+ */
+__inline__ void metal_led_enable(struct metal_led *led) { led->vtable->led_enable(led); }
+
+/*!
+ * @brief Turn an LED on
+ * @param led The handle for the LED
+ */
+__inline__ void metal_led_on(struct metal_led *led) { led->vtable->led_on(led); }
+
+/*!
+ * @brief Turn an LED off
+ * @param led The handle for the LED
+ */
+__inline__ void metal_led_off(struct metal_led *led) { led->vtable->led_off(led); }
+
+/*!
+ * @brief Toggle the on/off state of an LED
+ * @param led The handle for the LED
+ */
+__inline__ void metal_led_toggle(struct metal_led *led) { led->vtable->led_toggle(led); }
+
+#endif