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Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

TARGET_LPC1114/gpio_object.h@80:8e73be2a2ac1, 2014-02-21 (annotated)

Committer:
emilmont
Date:
Fri Feb 21 12:21:39 2014 +0000
Revision:
80:8e73be2a2ac1
Parent:
66:9c8f0e3462fb 
First alpha release for the NRF51822 target (to be tested in the online IDE)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 66:9c8f0e3462fb 1 /* mbed Microcontroller Library
bogdanm 66:9c8f0e3462fb 2 * Copyright (c) 2006-2013 ARM Limited
bogdanm 66:9c8f0e3462fb 3 *
bogdanm 66:9c8f0e3462fb 4 * Licensed under the Apache License, Version 2.0 (the "License");
bogdanm 66:9c8f0e3462fb 5 * you may not use this file except in compliance with the License.
bogdanm 66:9c8f0e3462fb 6 * You may obtain a copy of the License at
bogdanm 66:9c8f0e3462fb 7 *
bogdanm 66:9c8f0e3462fb 8 * http://www.apache.org/licenses/LICENSE-2.0
bogdanm 66:9c8f0e3462fb 9 *
bogdanm 66:9c8f0e3462fb 10 * Unless required by applicable law or agreed to in writing, software
bogdanm 66:9c8f0e3462fb 11 * distributed under the License is distributed on an "AS IS" BASIS,
bogdanm 66:9c8f0e3462fb 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
bogdanm 66:9c8f0e3462fb 13 * See the License for the specific language governing permissions and
bogdanm 66:9c8f0e3462fb 14 * limitations under the License.
bogdanm 66:9c8f0e3462fb 15 */
bogdanm 66:9c8f0e3462fb 16 #ifndef MBED_GPIO_OBJECT_H
bogdanm 66:9c8f0e3462fb 17 #define MBED_GPIO_OBJECT_H
bogdanm 66:9c8f0e3462fb 18
bogdanm 66:9c8f0e3462fb 19 #ifdef __cplusplus
bogdanm 66:9c8f0e3462fb 20 extern "C" {
bogdanm 66:9c8f0e3462fb 21 #endif
bogdanm 66:9c8f0e3462fb 22
bogdanm 66:9c8f0e3462fb 23 typedef struct {
bogdanm 66:9c8f0e3462fb 24 PinName pin;
bogdanm 66:9c8f0e3462fb 25 __I uint32_t *reg_mask_read;
bogdanm 66:9c8f0e3462fb 26 __IO uint32_t *reg_dir;
bogdanm 66:9c8f0e3462fb 27 __IO uint32_t *reg_write;
bogdanm 66:9c8f0e3462fb 28 } gpio_t;
bogdanm 66:9c8f0e3462fb 29
bogdanm 66:9c8f0e3462fb 30 static inline void gpio_write(gpio_t *obj, int value) {
bogdanm 66:9c8f0e3462fb 31 uint32_t pin_number = ((obj->pin & 0x0F00) >> 8);
bogdanm 66:9c8f0e3462fb 32 if (value)
bogdanm 66:9c8f0e3462fb 33 *obj->reg_write |= (1 << pin_number);
bogdanm 66:9c8f0e3462fb 34 else
bogdanm 66:9c8f0e3462fb 35 *obj->reg_write &= ~(1 << pin_number);
bogdanm 66:9c8f0e3462fb 36 }
bogdanm 66:9c8f0e3462fb 37
bogdanm 66:9c8f0e3462fb 38 static inline int gpio_read(gpio_t *obj) {
bogdanm 66:9c8f0e3462fb 39 return ((*obj->reg_mask_read) ? 1 : 0);
bogdanm 66:9c8f0e3462fb 40 }
bogdanm 66:9c8f0e3462fb 41
bogdanm 66:9c8f0e3462fb 42 #ifdef __cplusplus
bogdanm 66:9c8f0e3462fb 43 }
bogdanm 66:9c8f0e3462fb 44 #endif
bogdanm 66:9c8f0e3462fb 45
bogdanm 66:9c8f0e3462fb 46 #endif