Diff: hal/port_api.h

Revision:

144:ef7eb2e8f9f7

Parent:

0:9b334a45a8ff

--- a/hal/port_api.h	Tue Aug 02 14:07:36 2016 +0000
+++ b/hal/port_api.h	Fri Sep 02 15:07:44 2016 +0100
@@ -1,42 +1,88 @@
-/* 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_PORTMAP_H
-#define MBED_PORTMAP_H
-
-#include "device.h"
-
-#if DEVICE_PORTIN || DEVICE_PORTOUT
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct port_s port_t;
-
-PinName port_pin(PortName port, int pin_n);
-
-void port_init (port_t *obj, PortName port, int mask, PinDirection dir);
-void port_mode (port_t *obj, PinMode mode);
-void port_dir  (port_t *obj, PinDirection dir);
-void port_write(port_t *obj, int value);
-int  port_read (port_t *obj);
-
-#ifdef __cplusplus
-}
-#endif
-#endif
-
-#endif
+/* 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_PORTMAP_H
+#define MBED_PORTMAP_H
+
+#include "device.h"
+
+#if DEVICE_PORTIN || DEVICE_PORTOUT
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Port HAL structure. port_s is declared in the target's HAL
+ */
+typedef struct port_s port_t;
+
+/**
+ * \defgroup hal_port Port HAL functions
+ * @{
+ */
+
+/** Get the pin name from the port's pin number
+ *
+ * @param port  The port name
+ * @param pin_n The pin number within the specified port
+ * @return The pin name for the port's pin number
+ */
+PinName port_pin(PortName port, int pin_n);
+
+/** Initilize the port
+ *
+ * @param obj  The port object to initialize
+ * @param port The port name
+ * @param mask The bitmask to identify which bits in the port should be included (0 - ignore)
+ * @param dir  The port direction
+ */
+void port_init(port_t *obj, PortName port, int mask, PinDirection dir);
+
+/** Set the input port mode
+ *
+ * @param obj  The port object
+ * @param mode THe port mode to be set
+ */
+void port_mode(port_t *obj, PinMode mode);
+
+/** Set port direction (in/out)
+ *
+ * @param obj The port object
+ * @param dir The port direction to be set
+ */
+void port_dir(port_t *obj, PinDirection dir);
+
+/** Write value to the port
+ *
+ * @param obj   The port object
+ * @param value The value to be set
+ */
+void port_write(port_t *obj, int value);
+
+/** Read the current value on the port
+ *
+ * @param obj The port object
+ * @return An integer with each bit corresponding to an associated port pin setting
+ */
+int port_read(port_t *obj);
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+
+#endif