1 files changed, 184 insertions, 0 deletions
diff --git a/tinyusb/hw/mcu/dialog/da1469x/include/hal/hal_gpio.h b/tinyusb/hw/mcu/dialog/da1469x/include/hal/hal_gpio.h
new file mode 100755
index 00000000..67fc3c14
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+++ b/tinyusb/hw/mcu/dialog/da1469x/include/hal/hal_gpio.h
@@ -0,0 +1,184 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+
+/**
+ * @addtogroup HAL
+ * @{
+ *   @defgroup HALGpio HAL GPIO
+ *   @{
+ */
+
+#ifndef H_HAL_GPIO_
+#define H_HAL_GPIO_
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * The "mode" of the gpio. The gpio is either an input, output, or it is
+ * "not connected" (the pin specified is not functioning as a gpio)
+ */
+enum hal_gpio_mode_e {
+    /** Not connected */
+    HAL_GPIO_MODE_NC = -1,
+    /** Input */
+    HAL_GPIO_MODE_IN = 0,
+    /** Output */
+    HAL_GPIO_MODE_OUT = 1
+};
+typedef enum hal_gpio_mode_e hal_gpio_mode_t;
+
+/*
+ * The "pull" of the gpio. This is either an input or an output.
+ */
+enum hal_gpio_pull {
+    /** Pull-up/down not enabled */
+    HAL_GPIO_PULL_NONE = 0,
+    /** Pull-up enabled */
+    HAL_GPIO_PULL_UP = 1,
+    /** Pull-down enabled */
+    HAL_GPIO_PULL_DOWN = 2
+};
+typedef enum hal_gpio_pull hal_gpio_pull_t;
+
+/*
+ * IRQ trigger type.
+ */
+enum hal_gpio_irq_trigger {
+    HAL_GPIO_TRIG_NONE = 0,
+    /** IRQ occurs on rising edge */
+    HAL_GPIO_TRIG_RISING = 1,
+    /** IRQ occurs on falling edge */
+    HAL_GPIO_TRIG_FALLING = 2,
+    /** IRQ occurs on either edge */
+    HAL_GPIO_TRIG_BOTH = 3,
+    /** IRQ occurs when line is low */
+    HAL_GPIO_TRIG_LOW = 4,
+    /** IRQ occurs when line is high */
+    HAL_GPIO_TRIG_HIGH = 5
+};
+typedef enum hal_gpio_irq_trigger hal_gpio_irq_trig_t;
+
+/* Function proto for GPIO irq handler functions */
+typedef void (*hal_gpio_irq_handler_t)(void *arg);
+
+/**
+ * Initializes the specified pin as an input
+ *
+ * @param pin   Pin number to set as input
+ * @param pull  pull type
+ *
+ * @return int  0: no error; -1 otherwise.
+ */
+int hal_gpio_init_in(int pin, hal_gpio_pull_t pull);
+
+/**
+ * Initialize the specified pin as an output, setting the pin to the specified
+ * value.
+ *
+ * @param pin Pin number to set as output
+ * @param val Value to set pin
+ *
+ * @return int  0: no error; -1 otherwise.
+ */
+int hal_gpio_init_out(int pin, int val);
+
+/**
+ * Deinitialize the specified pin to revert the previous initialization
+ *
+ * @param pin Pin number to unset
+ *
+ * @return int  0: no error; -1 otherwise.
+ */
+int hal_gpio_deinit(int pin);
+
+/**
+ * Write a value (either high or low) to the specified pin.
+ *
+ * @param pin Pin to set
+ * @param val Value to set pin (0:low 1:high)
+ */
+void hal_gpio_write(int pin, int val);
+
+/**
+ * Reads the specified pin.
+ *
+ * @param pin Pin number to read
+ *
+ * @return int 0: low, 1: high
+ */
+int hal_gpio_read(int pin);
+
+/**
+ * Toggles the specified pin
+ *
+ * @param pin Pin number to toggle
+ *
+ * @return current gpio state int 0: low, 1: high
+ */
+int hal_gpio_toggle(int pin);
+
+/**
+ * Initialize a given pin to trigger a GPIO IRQ callback.
+ *
+ * @param pin     The pin to trigger GPIO interrupt on
+ * @param handler The handler function to call
+ * @param arg     The argument to provide to the IRQ handler
+ * @param trig    The trigger mode (e.g. rising, falling)
+ * @param pull    The mode of the pin (e.g. pullup, pulldown)
+ *
+ * @return 0 on success, non-zero error code on failure.
+ */
+int hal_gpio_irq_init(int pin, hal_gpio_irq_handler_t handler, void *arg,
+                      hal_gpio_irq_trig_t trig, hal_gpio_pull_t pull);
+
+/**
+ * Release a pin from being configured to trigger IRQ on state change.
+ *
+ * @param pin The pin to release
+ */
+void hal_gpio_irq_release(int pin);
+
+/**
+ * Enable IRQs on the passed pin
+ *
+ * @param pin The pin to enable IRQs on
+ */
+void hal_gpio_irq_enable(int pin);
+
+/**
+ * Disable IRQs on the passed pin
+ *
+ * @param pin The pin to disable IRQs on
+ */
+void hal_gpio_irq_disable(int pin);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* H_HAL_GPIO_ */
+
+/**
+ *   @} HALGpio
+ * @} HAL
+ */