Toyomasa Watarai
/
armcc_info
Describes predefine macros for mbed online compiler (armcc)
Diff: mbed/TARGET_LPC1114/TARGET_NXP/TARGET_LPC11XX_11CXX/gpio_object.h
- Revision:
- 6:40e873bbc5f7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed/TARGET_LPC1114/TARGET_NXP/TARGET_LPC11XX_11CXX/gpio_object.h Thu Mar 16 21:58:09 2017 +0900 @@ -0,0 +1,54 @@ +/* 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; + __I uint32_t *reg_mask_read; + __IO uint32_t *reg_dir; + __IO uint32_t *reg_write; +} gpio_t; + +static inline void gpio_write(gpio_t *obj, int value) { + MBED_ASSERT(obj->pin != (PinName)NC); + uint32_t pin_number = ((obj->pin & 0x0F00) >> 8); + if (value) + *obj->reg_write |= (1 << pin_number); + else + *obj->reg_write &= ~(1 << pin_number); +} + +static inline int gpio_read(gpio_t *obj) { + MBED_ASSERT(obj->pin != (PinName)NC); + return ((*obj->reg_mask_read) ? 1 : 0); +} + +static inline int gpio_is_connected(const gpio_t *obj) { + return obj->pin != (PinName)NC; +} + +#ifdef __cplusplus +} +#endif + +#endif