1 files changed, 51 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/bsp/install/include/metal/switch.h b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/bsp/install/include/metal/switch.h
new file mode 100644
index 000000000..d1c35bc93
--- /dev/null
+++ b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/bsp/install/include/metal/switch.h
@@ -0,0 +1,51 @@
+/* Copyright 2018 SiFive, Inc */
+/* SPDX-License-Identifier: Apache-2.0 */
+
+#ifndef METAL__SWITCH_H
+#define METAL__SWITCH_H
+
+/*!
+ * @file switch.h
+ * @brief API for reading toggle switches
+ */
+
+#include <metal/interrupt.h>
+
+struct metal_switch;
+
+struct metal_switch_vtable {
+    int (*switch_exist)(struct metal_switch *sw, char *label);
+    struct metal_interrupt* (*interrupt_controller)(struct metal_switch *sw);
+    int (*get_interrupt_id)(struct metal_switch *sw);
+};
+
+/*!
+ * @brief A handle for a switch
+ */
+struct metal_switch {
+    const struct metal_switch_vtable *vtable;
+};
+
+/*!
+ * @brief Get a handle for a switch
+ * @param label The DeviceTree label for the desired switch
+ * @return A handle to the switch, or NULL if none is found for the requested label
+ */
+struct metal_switch* metal_switch_get(char *label);
+
+/*!
+ * @brief Get the interrupt controller for a switch
+ * @param sw The handle for the switch
+ * @return The interrupt controller handle
+ */
+inline struct metal_interrupt*
+    metal_switch_interrupt_controller(struct metal_switch *sw) { return sw->vtable->interrupt_controller(sw); }
+
+/*!
+ * @brief Get the interrupt id for a switch
+ * @param sw The handle for the switch
+ * @return The interrupt ID for the switch
+ */
+inline int metal_switch_get_interrupt_id(struct metal_switch *sw) { return sw->vtable->get_interrupt_id(sw); }
+
+#endif