mbed library

Dependents:   Printf

Fork of mbed by mbed official

Committer:
bogdanm
Date:
Mon May 19 18:14:09 2014 +0100
Revision:
84:0b3ab51c8877
Parent:
82:6473597d706e
Child:
86:04dd9b1680ae
Release 84 of the mbed library

Main changes:

- added LPC11U68 to the official build
- Bug fixes and new features for ST Nucleo boards
- I2C fixes for Freescale targets
- Added nRF51822 exporters

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 73:1efda918f0ba 1 /* mbed Microcontroller Library
bogdanm 76:824293ae5e43 2 *******************************************************************************
bogdanm 76:824293ae5e43 3 * Copyright (c) 2014, STMicroelectronics
bogdanm 76:824293ae5e43 4 * All rights reserved.
bogdanm 73:1efda918f0ba 5 *
bogdanm 76:824293ae5e43 6 * Redistribution and use in source and binary forms, with or without
bogdanm 76:824293ae5e43 7 * modification, are permitted provided that the following conditions are met:
bogdanm 73:1efda918f0ba 8 *
bogdanm 76:824293ae5e43 9 * 1. Redistributions of source code must retain the above copyright notice,
bogdanm 76:824293ae5e43 10 * this list of conditions and the following disclaimer.
bogdanm 76:824293ae5e43 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
bogdanm 76:824293ae5e43 12 * this list of conditions and the following disclaimer in the documentation
bogdanm 76:824293ae5e43 13 * and/or other materials provided with the distribution.
bogdanm 76:824293ae5e43 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
bogdanm 76:824293ae5e43 15 * may be used to endorse or promote products derived from this software
bogdanm 76:824293ae5e43 16 * without specific prior written permission.
bogdanm 73:1efda918f0ba 17 *
bogdanm 76:824293ae5e43 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
bogdanm 76:824293ae5e43 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
bogdanm 76:824293ae5e43 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
bogdanm 76:824293ae5e43 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
bogdanm 76:824293ae5e43 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
bogdanm 76:824293ae5e43 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
bogdanm 76:824293ae5e43 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
bogdanm 76:824293ae5e43 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
bogdanm 76:824293ae5e43 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
bogdanm 76:824293ae5e43 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
bogdanm 76:824293ae5e43 28 *******************************************************************************
bogdanm 73:1efda918f0ba 29 */
bogdanm 73:1efda918f0ba 30 #ifndef MBED_GPIO_OBJECT_H
bogdanm 73:1efda918f0ba 31 #define MBED_GPIO_OBJECT_H
bogdanm 73:1efda918f0ba 32
bogdanm 73:1efda918f0ba 33 #include "cmsis.h"
bogdanm 73:1efda918f0ba 34 #include "PortNames.h"
bogdanm 73:1efda918f0ba 35 #include "PeripheralNames.h"
bogdanm 73:1efda918f0ba 36 #include "PinNames.h"
bogdanm 73:1efda918f0ba 37
bogdanm 73:1efda918f0ba 38 #ifdef __cplusplus
bogdanm 73:1efda918f0ba 39 extern "C" {
bogdanm 73:1efda918f0ba 40 #endif
bogdanm 73:1efda918f0ba 41
bogdanm 73:1efda918f0ba 42 typedef struct {
bogdanm 73:1efda918f0ba 43 PinName pin;
bogdanm 73:1efda918f0ba 44 uint32_t mask;
bogdanm 73:1efda918f0ba 45 __IO uint32_t *reg_in;
bogdanm 73:1efda918f0ba 46 __IO uint32_t *reg_set;
bogdanm 73:1efda918f0ba 47 __IO uint32_t *reg_clr;
bogdanm 73:1efda918f0ba 48 } gpio_t;
bogdanm 73:1efda918f0ba 49
bogdanm 73:1efda918f0ba 50 static inline void gpio_write(gpio_t *obj, int value) {
bogdanm 73:1efda918f0ba 51 if (value) {
bogdanm 73:1efda918f0ba 52 *obj->reg_set = obj->mask;
bogdanm 84:0b3ab51c8877 53 } else {
bogdanm 73:1efda918f0ba 54 *obj->reg_clr = obj->mask;
bogdanm 73:1efda918f0ba 55 }
bogdanm 73:1efda918f0ba 56 }
bogdanm 73:1efda918f0ba 57
bogdanm 73:1efda918f0ba 58 static inline int gpio_read(gpio_t *obj) {
bogdanm 73:1efda918f0ba 59 return ((*obj->reg_in & obj->mask) ? 1 : 0);
bogdanm 73:1efda918f0ba 60 }
bogdanm 73:1efda918f0ba 61
bogdanm 73:1efda918f0ba 62 #ifdef __cplusplus
bogdanm 73:1efda918f0ba 63 }
bogdanm 73:1efda918f0ba 64 #endif
bogdanm 73:1efda918f0ba 65
bogdanm 73:1efda918f0ba 66 #endif