mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
Diff: targets/hal/TARGET_NXP/TARGET_LPC23XX/gpio_object.h
- Revision:
- 13:0645d8841f51
- Parent:
- 10:3bc89ef62ce7
- Child:
- 227:7bd0639b8911
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_NXP/TARGET_LPC23XX/gpio_object.h Mon Aug 05 14:12:34 2013 +0300 @@ -0,0 +1,48 @@ +/* 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 + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct { + PinName pin; + uint32_t mask; + + __IO uint32_t *reg_dir; + __IO uint32_t *reg_set; + __IO uint32_t *reg_clr; + __I uint32_t *reg_in; +} gpio_t; + +static inline void gpio_write(gpio_t *obj, int value) { + if (value) + *obj->reg_set = obj->mask; + else + *obj->reg_clr = obj->mask; +} + +static inline int gpio_read(gpio_t *obj) { + return ((*obj->reg_in & obj->mask) ? 1 : 0); +} + +#ifdef __cplusplus +} +#endif + +#endif