USBclock 48Mhz, enable serial4 and serial5.
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gpio_api.h
00001 /* mbed Microcontroller Library 00002 * Copyright (c) 2006-2013 ARM Limited 00003 * 00004 * Licensed under the Apache License, Version 2.0 (the "License"); 00005 * you may not use this file except in compliance with the License. 00006 * You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 #ifndef MBED_GPIO_API_H 00017 #define MBED_GPIO_API_H 00018 00019 #include "device.h" 00020 00021 #ifdef __cplusplus 00022 extern "C" { 00023 #endif 00024 00025 /* Set the given pin as GPIO 00026 * @param pin The pin to be set as GPIO 00027 * @return The GPIO port mask for this pin 00028 **/ 00029 uint32_t gpio_set(PinName pin); 00030 00031 /* Checks if gpio object is connected (pin was not initialized with NC) 00032 * @param pin The pin to be set as GPIO 00033 * @return 0 if port is initialized with NC 00034 **/ 00035 int gpio_is_connected(const gpio_t *obj); 00036 00037 /* GPIO object */ 00038 void gpio_init(gpio_t *obj, PinName pin); 00039 00040 void gpio_mode (gpio_t *obj, PinMode mode); 00041 void gpio_dir (gpio_t *obj, PinDirection direction); 00042 00043 void gpio_write(gpio_t *obj, int value); 00044 int gpio_read (gpio_t *obj); 00045 00046 // the following set of functions are generic and are implemented in the common gpio.c file 00047 void gpio_init_in(gpio_t* gpio, PinName pin); 00048 void gpio_init_in_ex(gpio_t* gpio, PinName pin, PinMode mode); 00049 void gpio_init_out(gpio_t* gpio, PinName pin); 00050 void gpio_init_out_ex(gpio_t* gpio, PinName pin, int value); 00051 void gpio_init_inout(gpio_t* gpio, PinName pin, PinDirection direction, PinMode mode, int value); 00052 00053 #ifdef __cplusplus 00054 } 00055 #endif 00056 00057 #endif
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