Emilio Monti / mbed-KL25Z

mbed libraries for KL25Z

Dependents:   FRDM_RGBLED

KL25Z/gpio_object.h

Committer:
emilmont
Date:
2012-11-09
Revision:
8:c14af7958ef5
Child:
9:663789d7729f

File content as of revision 8:c14af7958ef5:

/* mbed Microcontroller Library - gpio_object
 * Copyright (c) 2009-2011 ARM Limited. All rights reserved.
 */
#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_object;

static inline void gpio_write(gpio_object *obj, int value) {
    if (value)
        *obj->reg_set = obj->mask;
    else
        *obj->reg_clr = obj->mask;
}

static inline int gpio_read(gpio_object *obj) {
    return ((*obj->reg_in & obj->mask) ? 1 : 0);
}

#ifdef __cplusplus
}
#endif

#endif