1 files changed, 23 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/bsp/install/include/metal/tty.h b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/bsp/install/include/metal/tty.h
new file mode 100644
index 000000000..d2583e3be
--- /dev/null
+++ b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/bsp/install/include/metal/tty.h
@@ -0,0 +1,23 @@
+/* Copyright 2018 SiFive, Inc */
+/* SPDX-License-Identifier: Apache-2.0 */
+
+#ifndef METAL__TTY_H
+#define METAL__TTY_H
+
+/*!
+ * @file tty.h
+ * @brief API for emulated serial teriminals
+ */
+
+/*!
+ * @brief Write a character to the default output device
+ *
+ * Write a character to the default output device, which for most
+ * targets is the UART serial port.
+ * 
+ * @param c The character to write to the terminal
+ * @return 0 on success, or -1 on failure.
+ */
+int metal_tty_putc(unsigned char c);
+
+#endif