rau cha / mbed-src-I2CWaitFix

fix for mbed lib issue 3 (i2c problem) see also https://mbed.org/users/mbed_official/code/mbed/issues/3 affected implementations: LPC812, LPC11U24, LPC1768, LPC2368, LPC4088

Fork of mbed-src by mbed official

vendor/NXP/LPC812/hal/gpio_object.h@13:bd9ff402dd42, 2013-08-05 (annotated)

Committer:
Shikaneo
Date:
Mon Aug 05 02:27:27 2013 +0000
Revision:
13:bd9ff402dd42
Parent:
10:3bc89ef62ce7 
equipped timeout

Who changed what in which revision?

UserRevisionLine numberNew contents of line
emilmont 10:3bc89ef62ce7 1 /* mbed Microcontroller Library
emilmont 10:3bc89ef62ce7 2 * Copyright (c) 2006-2013 ARM Limited
emilmont 10:3bc89ef62ce7 3 *
emilmont 10:3bc89ef62ce7 4 * Licensed under the Apache License, Version 2.0 (the "License");
emilmont 10:3bc89ef62ce7 5 * you may not use this file except in compliance with the License.
emilmont 10:3bc89ef62ce7 6 * You may obtain a copy of the License at
emilmont 10:3bc89ef62ce7 7 *
emilmont 10:3bc89ef62ce7 8 * http://www.apache.org/licenses/LICENSE-2.0
emilmont 10:3bc89ef62ce7 9 *
emilmont 10:3bc89ef62ce7 10 * Unless required by applicable law or agreed to in writing, software
emilmont 10:3bc89ef62ce7 11 * distributed under the License is distributed on an "AS IS" BASIS,
emilmont 10:3bc89ef62ce7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
emilmont 10:3bc89ef62ce7 13 * See the License for the specific language governing permissions and
emilmont 10:3bc89ef62ce7 14 * limitations under the License.
emilmont 10:3bc89ef62ce7 15 */
emilmont 10:3bc89ef62ce7 16 #ifndef MBED_GPIO_OBJECT_H
emilmont 10:3bc89ef62ce7 17 #define MBED_GPIO_OBJECT_H
emilmont 10:3bc89ef62ce7 18
emilmont 10:3bc89ef62ce7 19 #ifdef __cplusplus
emilmont 10:3bc89ef62ce7 20 extern "C" {
emilmont 10:3bc89ef62ce7 21 #endif
emilmont 10:3bc89ef62ce7 22
emilmont 10:3bc89ef62ce7 23 typedef struct {
emilmont 10:3bc89ef62ce7 24 PinName pin;
emilmont 10:3bc89ef62ce7 25 uint32_t mask;
emilmont 10:3bc89ef62ce7 26
emilmont 10:3bc89ef62ce7 27 __IO uint32_t *reg_dir;
emilmont 10:3bc89ef62ce7 28 __IO uint32_t *reg_set;
emilmont 10:3bc89ef62ce7 29 __IO uint32_t *reg_clr;
emilmont 10:3bc89ef62ce7 30 __I uint32_t *reg_in;
emilmont 10:3bc89ef62ce7 31 } gpio_t;
emilmont 10:3bc89ef62ce7 32
emilmont 10:3bc89ef62ce7 33 static inline void gpio_write(gpio_t *obj, int value) {
emilmont 10:3bc89ef62ce7 34 if (value)
emilmont 10:3bc89ef62ce7 35 *obj->reg_set = obj->mask;
emilmont 10:3bc89ef62ce7 36 else
emilmont 10:3bc89ef62ce7 37 *obj->reg_clr = obj->mask;
emilmont 10:3bc89ef62ce7 38 }
emilmont 10:3bc89ef62ce7 39
emilmont 10:3bc89ef62ce7 40 static inline int gpio_read(gpio_t *obj) {
emilmont 10:3bc89ef62ce7 41 return ((*obj->reg_in & obj->mask) ? 1 : 0);
emilmont 10:3bc89ef62ce7 42 }
emilmont 10:3bc89ef62ce7 43
emilmont 10:3bc89ef62ce7 44 #ifdef __cplusplus
emilmont 10:3bc89ef62ce7 45 }
emilmont 10:3bc89ef62ce7 46 #endif
emilmont 10:3bc89ef62ce7 47
emilmont 10:3bc89ef62ce7 48 #endif