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| author | Yann Herklotz <ymherklotz@gmail.com> | 2017-05-10 13:17:31 +0100 |
|---|---|---|
| committer | Yann Herklotz <ymherklotz@gmail.com> | 2017-05-10 13:17:31 +0100 |
| commit | aa30a51f3e2d9120aa819c1bc8162793662ccf32 (patch) | |
| tree | e7659204b1ecf3f65fae106c12b096fd552c2d8d /mbed/hal/gpio_irq_api.h | |
| download | WaveGenerator-aa30a51f3e2d9120aa819c1bc8162793662ccf32.tar.gz WaveGenerator-aa30a51f3e2d9120aa819c1bc8162793662ccf32.zip | |
Adding initial files
Diffstat (limited to 'mbed/hal/gpio_irq_api.h')
| -rw-r--r-- | mbed/hal/gpio_irq_api.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/mbed/hal/gpio_irq_api.h b/mbed/hal/gpio_irq_api.h new file mode 100644 index 0000000..60d1b35 --- /dev/null +++ b/mbed/hal/gpio_irq_api.h @@ -0,0 +1,97 @@ +
+/** \addtogroup hal */
+/** @{*/
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed 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.
+ */
+#ifndef MBED_GPIO_IRQ_API_H
+#define MBED_GPIO_IRQ_API_H
+
+#include "device.h"
+
+#if DEVICE_INTERRUPTIN
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** GPIO IRQ events
+ */
+typedef enum {
+ IRQ_NONE,
+ IRQ_RISE,
+ IRQ_FALL
+} gpio_irq_event;
+
+/** GPIO IRQ HAL structure. gpio_irq_s is declared in the target's HAL
+ */
+typedef struct gpio_irq_s gpio_irq_t;
+
+typedef void (*gpio_irq_handler)(uint32_t id, gpio_irq_event event);
+
+/**
+ * \defgroup hal_gpioirq GPIO IRQ HAL functions
+ * @{
+ */
+
+/** Initialize the GPIO IRQ pin
+ *
+ * @param obj The GPIO object to initialize
+ * @param pin The GPIO pin name
+ * @param handler The handler to be attached to GPIO IRQ
+ * @param id The object ID (id != 0, 0 is reserved)
+ * @return -1 if pin is NC, 0 otherwise
+ */
+int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id);
+
+/** Release the GPIO IRQ PIN
+ *
+ * @param obj The gpio object
+ */
+void gpio_irq_free(gpio_irq_t *obj);
+
+/** Enable/disable pin IRQ event
+ *
+ * @param obj The GPIO object
+ * @param event The GPIO IRQ event
+ * @param enable The enable flag
+ */
+void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable);
+
+/** Enable GPIO IRQ
+ *
+ * This is target dependent, as it might enable the entire port or just a pin
+ * @param obj The GPIO object
+ */
+void gpio_irq_enable(gpio_irq_t *obj);
+
+/** Disable GPIO IRQ
+ *
+ * This is target dependent, as it might disable the entire port or just a pin
+ * @param obj The GPIO object
+ */
+void gpio_irq_disable(gpio_irq_t *obj);
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+
+#endif
+
+/** @}*/
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