Yihui Xiong / Mbed 2 deprecated Seeed_nRF51822_Motion

initial

Dependencies:   mbed

mbed-src/targets/hal/TARGET_NORDIC/TARGET_MCU_NRF51822/gpio_object.h@0:638edba3adf6, 2016-01-11 (annotated)

Committer:
yihui
Date:
Mon Jan 11 02:32:24 2016 +0000
Revision:
0:638edba3adf6
initial

Who changed what in which revision?

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yihui 0:638edba3adf6 1 /* mbed Microcontroller Library
yihui 0:638edba3adf6 2 * Copyright (c) 2006-2013 ARM Limited
yihui 0:638edba3adf6 3 *
yihui 0:638edba3adf6 4 * Licensed under the Apache License, Version 2.0 (the "License");
yihui 0:638edba3adf6 5 * you may not use this file except in compliance with the License.
yihui 0:638edba3adf6 6 * You may obtain a copy of the License at
yihui 0:638edba3adf6 7 *
yihui 0:638edba3adf6 8 * http://www.apache.org/licenses/LICENSE-2.0
yihui 0:638edba3adf6 9 *
yihui 0:638edba3adf6 10 * Unless required by applicable law or agreed to in writing, software
yihui 0:638edba3adf6 11 * distributed under the License is distributed on an "AS IS" BASIS,
yihui 0:638edba3adf6 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
yihui 0:638edba3adf6 13 * See the License for the specific language governing permissions and
yihui 0:638edba3adf6 14 * limitations under the License.
yihui 0:638edba3adf6 15 */
yihui 0:638edba3adf6 16 #ifndef MBED_GPIO_OBJECT_H
yihui 0:638edba3adf6 17 #define MBED_GPIO_OBJECT_H
yihui 0:638edba3adf6 18
yihui 0:638edba3adf6 19 #include "mbed_assert.h"
yihui 0:638edba3adf6 20
yihui 0:638edba3adf6 21 #ifdef __cplusplus
yihui 0:638edba3adf6 22 extern "C" {
yihui 0:638edba3adf6 23 #endif
yihui 0:638edba3adf6 24
yihui 0:638edba3adf6 25 typedef struct {
yihui 0:638edba3adf6 26 PinName pin;
yihui 0:638edba3adf6 27 uint32_t mask;
yihui 0:638edba3adf6 28
yihui 0:638edba3adf6 29 __IO uint32_t *reg_dir;
yihui 0:638edba3adf6 30 __IO uint32_t *reg_set;
yihui 0:638edba3adf6 31 __IO uint32_t *reg_clr;
yihui 0:638edba3adf6 32 __I uint32_t *reg_in;
yihui 0:638edba3adf6 33 } gpio_t;
yihui 0:638edba3adf6 34
yihui 0:638edba3adf6 35 static inline void gpio_write(gpio_t *obj, int value) {
yihui 0:638edba3adf6 36 MBED_ASSERT(obj->pin != (PinName)NC);
yihui 0:638edba3adf6 37 if (value)
yihui 0:638edba3adf6 38 *obj->reg_set = obj->mask;
yihui 0:638edba3adf6 39 else
yihui 0:638edba3adf6 40 *obj->reg_clr = obj->mask;
yihui 0:638edba3adf6 41 }
yihui 0:638edba3adf6 42
yihui 0:638edba3adf6 43 static inline int gpio_read(gpio_t *obj) {
yihui 0:638edba3adf6 44 MBED_ASSERT(obj->pin != (PinName)NC);
yihui 0:638edba3adf6 45 return ((*obj->reg_in & obj->mask) ? 1 : 0);
yihui 0:638edba3adf6 46 }
yihui 0:638edba3adf6 47
yihui 0:638edba3adf6 48 static inline int gpio_is_connected(const gpio_t *obj) {
yihui 0:638edba3adf6 49 return obj->pin != (PinName)NC;
yihui 0:638edba3adf6 50 }
yihui 0:638edba3adf6 51
yihui 0:638edba3adf6 52 #ifdef __cplusplus
yihui 0:638edba3adf6 53 }
yihui 0:638edba3adf6 54 #endif
yihui 0:638edba3adf6 55
yihui 0:638edba3adf6 56 #endif