mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
targets/hal/TARGET_NXP/TARGET_LPC11XX_11CXX/gpio_object.h@323:9e901b0a5aa1, 2014-09-13 (annotated)
- Committer:
- shaoziyang
- Date:
- Sat Sep 13 14:25:46 2014 +0000
- Revision:
- 323:9e901b0a5aa1
- Parent:
- 227:7bd0639b8911
test with CLOCK_SETUP = 0
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mbed_official | 30:91c1d09ada54 | 1 | /* mbed Microcontroller Library |
mbed_official | 30:91c1d09ada54 | 2 | * Copyright (c) 2006-2013 ARM Limited |
mbed_official | 30:91c1d09ada54 | 3 | * |
mbed_official | 30:91c1d09ada54 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
mbed_official | 30:91c1d09ada54 | 5 | * you may not use this file except in compliance with the License. |
mbed_official | 30:91c1d09ada54 | 6 | * You may obtain a copy of the License at |
mbed_official | 30:91c1d09ada54 | 7 | * |
mbed_official | 30:91c1d09ada54 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mbed_official | 30:91c1d09ada54 | 9 | * |
mbed_official | 30:91c1d09ada54 | 10 | * Unless required by applicable law or agreed to in writing, software |
mbed_official | 30:91c1d09ada54 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
mbed_official | 30:91c1d09ada54 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mbed_official | 30:91c1d09ada54 | 13 | * See the License for the specific language governing permissions and |
mbed_official | 30:91c1d09ada54 | 14 | * limitations under the License. |
mbed_official | 30:91c1d09ada54 | 15 | */ |
mbed_official | 30:91c1d09ada54 | 16 | #ifndef MBED_GPIO_OBJECT_H |
mbed_official | 30:91c1d09ada54 | 17 | #define MBED_GPIO_OBJECT_H |
mbed_official | 30:91c1d09ada54 | 18 | |
mbed_official | 227:7bd0639b8911 | 19 | #include "mbed_assert.h" |
mbed_official | 227:7bd0639b8911 | 20 | |
mbed_official | 30:91c1d09ada54 | 21 | #ifdef __cplusplus |
mbed_official | 30:91c1d09ada54 | 22 | extern "C" { |
mbed_official | 30:91c1d09ada54 | 23 | #endif |
mbed_official | 30:91c1d09ada54 | 24 | |
mbed_official | 30:91c1d09ada54 | 25 | typedef struct { |
mbed_official | 30:91c1d09ada54 | 26 | PinName pin; |
mbed_official | 30:91c1d09ada54 | 27 | __I uint32_t *reg_mask_read; |
mbed_official | 30:91c1d09ada54 | 28 | __IO uint32_t *reg_dir; |
mbed_official | 30:91c1d09ada54 | 29 | __IO uint32_t *reg_write; |
mbed_official | 30:91c1d09ada54 | 30 | } gpio_t; |
mbed_official | 30:91c1d09ada54 | 31 | |
mbed_official | 30:91c1d09ada54 | 32 | static inline void gpio_write(gpio_t *obj, int value) { |
mbed_official | 227:7bd0639b8911 | 33 | MBED_ASSERT(obj->pin != (PinName)NC); |
mbed_official | 30:91c1d09ada54 | 34 | uint32_t pin_number = ((obj->pin & 0x0F00) >> 8); |
mbed_official | 30:91c1d09ada54 | 35 | if (value) |
mbed_official | 30:91c1d09ada54 | 36 | *obj->reg_write |= (1 << pin_number); |
mbed_official | 30:91c1d09ada54 | 37 | else |
mbed_official | 30:91c1d09ada54 | 38 | *obj->reg_write &= ~(1 << pin_number); |
mbed_official | 30:91c1d09ada54 | 39 | } |
mbed_official | 30:91c1d09ada54 | 40 | |
mbed_official | 30:91c1d09ada54 | 41 | static inline int gpio_read(gpio_t *obj) { |
mbed_official | 227:7bd0639b8911 | 42 | MBED_ASSERT(obj->pin != (PinName)NC); |
mbed_official | 30:91c1d09ada54 | 43 | return ((*obj->reg_mask_read) ? 1 : 0); |
mbed_official | 30:91c1d09ada54 | 44 | } |
mbed_official | 30:91c1d09ada54 | 45 | |
mbed_official | 30:91c1d09ada54 | 46 | #ifdef __cplusplus |
mbed_official | 30:91c1d09ada54 | 47 | } |
mbed_official | 30:91c1d09ada54 | 48 | #endif |
mbed_official | 30:91c1d09ada54 | 49 | |
mbed_official | 30:91c1d09ada54 | 50 | #endif |