Elijah Orr / mbed-renbed

Fork of the official mbed C/C SDK provides the software platform and libraries to build your applications for RenBED.

Dependents:   1-RenBuggyTimed RenBED_RGB RenBED_RGB_PWM RenBED_RGB

Fork of mbed by mbed official

TARGET_NUCLEO_L053R8/TARGET_STM/TARGET_NUCLEO_L053R8/gpio_object.h@86:04dd9b1680ae, 2014-07-02 (annotated)

Committer:
bogdanm
Date:
Wed Jul 02 13:22:23 2014 +0100
Revision:
86:04dd9b1680ae
Parent:
84:0b3ab51c8877
Child:
92:4fc01daae5a5
Release 86 of the mbed library



Main changes:





- bug fixes in various backends

- mbed "error" replaced by assert logic (mbed_assert)

- new ST Nucleo targets

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 84:0b3ab51c8877 1 /* mbed Microcontroller Library
bogdanm 84:0b3ab51c8877 2 *******************************************************************************
bogdanm 84:0b3ab51c8877 3 * Copyright (c) 2014, STMicroelectronics
bogdanm 84:0b3ab51c8877 4 * All rights reserved.
bogdanm 84:0b3ab51c8877 5 *
bogdanm 84:0b3ab51c8877 6 * Redistribution and use in source and binary forms, with or without
bogdanm 84:0b3ab51c8877 7 * modification, are permitted provided that the following conditions are met:
bogdanm 84:0b3ab51c8877 8 *
bogdanm 84:0b3ab51c8877 9 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 84:0b3ab51c8877 10 * this list of conditions and the following disclaimer.
bogdanm 84:0b3ab51c8877 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 84:0b3ab51c8877 12 * this list of conditions and the following disclaimer in the documentation
bogdanm 84:0b3ab51c8877 13 * and/or other materials provided with the distribution.
bogdanm 84:0b3ab51c8877 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm 84:0b3ab51c8877 15 * may be used to endorse or promote products derived from this software
bogdanm 84:0b3ab51c8877 16 * without specific prior written permission.
bogdanm 84:0b3ab51c8877 17 *
bogdanm 84:0b3ab51c8877 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 84:0b3ab51c8877 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 84:0b3ab51c8877 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 84:0b3ab51c8877 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 84:0b3ab51c8877 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 84:0b3ab51c8877 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 84:0b3ab51c8877 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 84:0b3ab51c8877 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 84:0b3ab51c8877 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 84:0b3ab51c8877 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 84:0b3ab51c8877 28 *******************************************************************************
bogdanm 84:0b3ab51c8877 29 */
bogdanm 84:0b3ab51c8877 30 #ifndef MBED_GPIO_OBJECT_H
bogdanm 84:0b3ab51c8877 31 #define MBED_GPIO_OBJECT_H
bogdanm 84:0b3ab51c8877 32
bogdanm 86:04dd9b1680ae 33 #include "mbed_assert.h"
bogdanm 84:0b3ab51c8877 34 #include "cmsis.h"
bogdanm 84:0b3ab51c8877 35 #include "PortNames.h"
bogdanm 84:0b3ab51c8877 36 #include "PeripheralNames.h"
bogdanm 84:0b3ab51c8877 37 #include "PinNames.h"
bogdanm 84:0b3ab51c8877 38
bogdanm 84:0b3ab51c8877 39 #ifdef __cplusplus
bogdanm 84:0b3ab51c8877 40 extern "C" {
bogdanm 84:0b3ab51c8877 41 #endif
bogdanm 84:0b3ab51c8877 42
bogdanm 84:0b3ab51c8877 43 typedef struct {
bogdanm 84:0b3ab51c8877 44 PinName pin;
bogdanm 84:0b3ab51c8877 45 uint32_t mask;
bogdanm 84:0b3ab51c8877 46 __IO uint16_t *reg_in;
bogdanm 84:0b3ab51c8877 47 __IO uint32_t *reg_set;
bogdanm 84:0b3ab51c8877 48 __IO uint16_t *reg_clr;
bogdanm 84:0b3ab51c8877 49 } gpio_t;
bogdanm 84:0b3ab51c8877 50
bogdanm 84:0b3ab51c8877 51 static inline void gpio_write(gpio_t *obj, int value) {
bogdanm 86:04dd9b1680ae 52 MBED_ASSERT(obj->pin != (PinName)NC);
bogdanm 84:0b3ab51c8877 53 if (value) {
bogdanm 84:0b3ab51c8877 54 *obj->reg_set = obj->mask;
bogdanm 84:0b3ab51c8877 55 } else {
bogdanm 84:0b3ab51c8877 56 *obj->reg_clr = obj->mask;
bogdanm 84:0b3ab51c8877 57 }
bogdanm 84:0b3ab51c8877 58 }
bogdanm 84:0b3ab51c8877 59
bogdanm 84:0b3ab51c8877 60 static inline int gpio_read(gpio_t *obj) {
bogdanm 86:04dd9b1680ae 61 MBED_ASSERT(obj->pin != (PinName)NC);
bogdanm 84:0b3ab51c8877 62 return ((*obj->reg_in & obj->mask) ? 1 : 0);
bogdanm 84:0b3ab51c8877 63 }
bogdanm 84:0b3ab51c8877 64
bogdanm 84:0b3ab51c8877 65 #ifdef __cplusplus
bogdanm 84:0b3ab51c8877 66 }
bogdanm 84:0b3ab51c8877 67 #endif
bogdanm 84:0b3ab51c8877 68
bogdanm 84:0b3ab51c8877 69 #endif