Diff: targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/port_api.c

Revision:

144:ef7eb2e8f9f7

Parent:

50:a417edff4437

--- a/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/port_api.c	Tue Aug 02 14:07:36 2016 +0000
+++ b/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/port_api.c	Fri Sep 02 15:07:44 2016 +0100
@@ -1,96 +1,89 @@
-/***************************************************************************//**
- * @file port_api.c
- *******************************************************************************
- * @section License
- * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
- *******************************************************************************
- *
- * Permission is granted to anyone to use this software for any purpose,
- * including commercial applications, and to alter it and redistribute it
- * freely, subject to the following restrictions:
- *
- * 1. The origin of this software must not be misrepresented; you must not
- *    claim that you wrote the original software.
- * 2. Altered source versions must be plainly marked as such, and must not be
- *    misrepresented as being the original software.
- * 3. This notice may not be removed or altered from any source distribution.
- *
- * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
- * obligation to support this Software. Silicon Labs is providing the
- * Software "AS IS", with no express or implied warranties of any kind,
- * including, but not limited to, any implied warranties of merchantability
- * or fitness for any particular purpose or warranties against infringement
- * of any proprietary rights of a third party.
- *
- * Silicon Labs will not be liable for any consequential, incidental, or
- * special damages, or any other relief, or for any claim by any third party,
- * arising from your use of this Software.
- *
- ******************************************************************************/
-
-#include "device.h"
-#if DEVICE_PORTOUT
-
-#include "port_api.h"
-#include "pinmap.h"
-#include "gpio_api.h"
-#include "em_gpio.h"
-#include "em_cmu.h"
-
-#define PORT_NUM_PINS 16
-
-PinName port_pin(PortName port, int pin_n)
-{
-    return (PinName) (pin_n | port << 4); // Encode pin and port number in one uint32
-}
-
-void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
-{
-    obj->mask = mask;
-    obj->port = port;
-    obj->dir = dir;
-    
-    port_dir(obj, obj->dir);
-}
-
-void port_mode(port_t *obj, PinMode mode)
-{
-    /* Set mode for pins given by mask */
-    uint32_t pin;
-    for (pin = 0; pin < PORT_NUM_PINS; pin++) {
-        if (obj->mask & (1 << pin)) {
-            pin_mode(port_pin(obj->port, pin), mode);
-        }
-    }
-}
-
-void port_dir(port_t *obj, PinDirection dir)
-{
-    obj->dir = dir;
-
-    /* Set default pin mode for pins given by mask */
-    switch (dir) {
-        case PIN_INPUT:
-            port_mode(obj, Input);
-            break;
-        case PIN_OUTPUT:
-            port_mode(obj, PushPull);
-            break;
-    }
-}
-
-void port_write(port_t *obj, int value)
-{
-    GPIO_PortOutSetVal(obj->port, value, obj->mask);
-}
-
-int port_read(port_t *obj)
-{
-    if (obj->dir == PIN_INPUT) {
-        return (int) (GPIO_PortInGet(obj->port) & obj->mask);
-    } else {
-        return (int) (GPIO_PortOutGet(obj->port) & obj->mask);
-    }
-}
-
-#endif
+/***************************************************************************//**
+ * @file port_api.c
+ *******************************************************************************
+ * @section License
+ * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
+ *******************************************************************************
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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.
+ *
+ ******************************************************************************/
+
+#include "device.h"
+#if DEVICE_PORTOUT
+
+#include "port_api.h"
+#include "pinmap.h"
+#include "gpio_api.h"
+#include "em_gpio.h"
+#include "em_cmu.h"
+
+#define PORT_NUM_PINS 16
+
+PinName port_pin(PortName port, int pin_n)
+{
+    return (PinName) (pin_n | port << 4); // Encode pin and port number in one uint32
+}
+
+void port_init(port_t *obj, PortName port, int mask, PinDirection dir)
+{
+    obj->mask = mask;
+    obj->port = port;
+    obj->dir = dir;
+    
+    port_dir(obj, obj->dir);
+}
+
+void port_mode(port_t *obj, PinMode mode)
+{
+    /* Set mode for pins given by mask */
+    uint32_t pin;
+    for (pin = 0; pin < PORT_NUM_PINS; pin++) {
+        if (obj->mask & (1 << pin)) {
+            pin_mode(port_pin(obj->port, pin), mode);
+        }
+    }
+}
+
+void port_dir(port_t *obj, PinDirection dir)
+{
+    obj->dir = dir;
+
+    /* Set default pin mode for pins given by mask */
+    switch (dir) {
+        case PIN_INPUT:
+            port_mode(obj, Input);
+            break;
+        case PIN_OUTPUT:
+            port_mode(obj, PushPull);
+            break;
+    }
+}
+
+void port_write(port_t *obj, int value)
+{
+    GPIO_PortOutSetVal(obj->port, value, obj->mask);
+}
+
+int port_read(port_t *obj)
+{
+    if (obj->dir == PIN_INPUT) {
+        return (int) (GPIO_PortInGet(obj->port) & obj->mask);
+    } else {
+        return (int) (GPIO_PortOutGet(obj->port) & obj->mask);
+    }
+}
+
+#endif