mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
Diff: targets/hal/TARGET_STM/TARGET_DISCO_F051R8/gpio_object.h
- Revision:
- 130:1dec54e4aec3
- Child:
- 227:7bd0639b8911
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_STM/TARGET_DISCO_F051R8/gpio_object.h Fri Mar 21 11:45:09 2014 +0000 @@ -0,0 +1,67 @@ +/* mbed Microcontroller Library + ******************************************************************************* + * Copyright (c) 2014, STMicroelectronics + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * 3. Neither the name of STMicroelectronics nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + ******************************************************************************* + */ +#ifndef MBED_GPIO_OBJECT_H +#define MBED_GPIO_OBJECT_H + +#include "cmsis.h" +#include "PortNames.h" +#include "PeripheralNames.h" +#include "PinNames.h" + +#ifdef __cplusplus +extern "C" { +#endif + +typedef struct { + PinName pin; + uint32_t mask; + __IO uint16_t *reg_in; + __IO uint32_t *reg_set; + __IO uint16_t *reg_clr; +} 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