t
Fork of mbed-dev by
Diff: targets/TARGET_RENESAS/TARGET_RZ_A1H/gpio_object.h
- Revision:
- 149:156823d33999
- Parent:
- 119:3921aeca8633
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/TARGET_RENESAS/TARGET_RZ_A1H/gpio_object.h Fri Oct 28 11:17:30 2016 +0100 @@ -0,0 +1,51 @@ +/* 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_GPIO_OBJECT_H +#define MBED_GPIO_OBJECT_H + +#include "mbed_assert.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct { + PinName pin; + uint32_t mask; + + __IO uint32_t *reg_dir; + __IO uint32_t *reg_set; + __I uint32_t *reg_in; + __IO uint32_t *reg_buf; +} gpio_t; + +static inline void gpio_write(gpio_t *obj, int value) { + *obj->reg_set = (obj->mask << 16) | ((value != 0) ? obj->mask : 0); +} + +static inline int gpio_read(gpio_t *obj) { + return ((*obj->reg_in & obj->mask) ? 1 : 0); +} + +static inline int gpio_is_connected(const gpio_t *obj) { + return obj->pin != (PinName)NC; +} + +#ifdef __cplusplus +} +#endif + +#endif