Rename RISC-V_RV32_SiFive_HiFive1-FreedomStudio directory to RISC-V_RV32_SiFive_HiFiv...

[freertos] / FreeRTOS / Demo / RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio / freedom-metal / src / gpio.c

diff --git a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/gpio.c b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/gpio.c
new file mode 100644 (file)
index 0000000..504526e
--- /dev/null
+++ b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1-RevB_FreedomStudio/freedom-metal/src/gpio.c
@@ -0,0 +1,30 @@
+/* Copyright 2019 SiFive, Inc */
+/* SPDX-License-Identifier: Apache-2.0 */
+
+#include <metal/machine.h>
+#include <metal/gpio.h>
+
+extern __inline__ int metal_gpio_disable_input(struct metal_gpio *gpio, int pin);
+extern __inline__ int metal_gpio_enable_input(struct metal_gpio *gpio, int pin);
+extern __inline__ int metal_gpio_enable_output(struct metal_gpio *gpio, int pin);
+extern __inline__ int metal_gpio_disable_output(struct metal_gpio *gpio, int pin);
+extern __inline__ int metal_gpio_get_output_pin(struct metal_gpio *gpio, int pin);
+extern __inline__ int metal_gpio_get_input_pin(struct metal_gpio *gpio, int pin);
+extern __inline__ int metal_gpio_set_pin(struct metal_gpio *, int pin, int value);
+extern __inline__ int metal_gpio_clear_pin(struct metal_gpio *, int pin);
+extern __inline__ int metal_gpio_toggle_pin(struct metal_gpio *, int pin);
+extern __inline__ int metal_gpio_enable_pinmux(struct metal_gpio *, int pin, int io_function);
+extern __inline__ int metal_gpio_disable_pinmux(struct metal_gpio *, int pin);
+extern __inline__ struct metal_interrupt* metal_gpio_interrupt_controller(struct metal_gpio *gpio);
+extern __inline__ int metal_gpio_get_interrupt_id(struct metal_gpio *gpio, int pin);
+extern __inline__ int metal_gpio_config_interrupt(struct metal_gpio *gpio, int pin, int intr_type);
+extern __inline__ int metal_gpio_clear_interrupt(struct metal_gpio *gpio, int pin, int intr_type);
+
+struct metal_gpio *metal_gpio_get_device(unsigned int device_num)
+{
+    if(device_num > __MEE_DT_MAX_GPIOS) {
+       return NULL;
+    }
+
+    return (struct metal_gpio *) __metal_gpio_table[device_num];
+}