mbed library sources
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targets/hal/TARGET_STM/TARGET_STM32F4XX/gpio_object.h@445:9a3ffe6cfa19, 2015-01-14 (annotated)
- Committer:
- moirans2
- Date:
- Wed Jan 14 20:53:08 2015 +0000
- Revision:
- 445:9a3ffe6cfa19
- Parent:
- 227:7bd0639b8911
internal clock stm32L051
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bogdanm | 20:4263a77256ae | 1 | /* mbed Microcontroller Library |
bogdanm | 20:4263a77256ae | 2 | * Copyright (c) 2006-2013 ARM Limited |
bogdanm | 20:4263a77256ae | 3 | * |
bogdanm | 20:4263a77256ae | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
bogdanm | 20:4263a77256ae | 5 | * you may not use this file except in compliance with the License. |
bogdanm | 20:4263a77256ae | 6 | * You may obtain a copy of the License at |
bogdanm | 20:4263a77256ae | 7 | * |
bogdanm | 20:4263a77256ae | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
bogdanm | 20:4263a77256ae | 9 | * |
bogdanm | 20:4263a77256ae | 10 | * Unless required by applicable law or agreed to in writing, software |
bogdanm | 20:4263a77256ae | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
bogdanm | 20:4263a77256ae | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
bogdanm | 20:4263a77256ae | 13 | * See the License for the specific language governing permissions and |
bogdanm | 20:4263a77256ae | 14 | * limitations under the License. |
bogdanm | 20:4263a77256ae | 15 | */ |
bogdanm | 20:4263a77256ae | 16 | #ifndef MBED_GPIO_OBJECT_H |
bogdanm | 20:4263a77256ae | 17 | #define MBED_GPIO_OBJECT_H |
bogdanm | 20:4263a77256ae | 18 | |
mbed_official | 227:7bd0639b8911 | 19 | #include "mbed_assert.h" |
mbed_official | 227:7bd0639b8911 | 20 | |
bogdanm | 20:4263a77256ae | 21 | #ifdef __cplusplus |
bogdanm | 20:4263a77256ae | 22 | extern "C" { |
bogdanm | 20:4263a77256ae | 23 | #endif |
bogdanm | 20:4263a77256ae | 24 | |
bogdanm | 20:4263a77256ae | 25 | typedef struct { |
bogdanm | 20:4263a77256ae | 26 | PinName pin; |
bogdanm | 20:4263a77256ae | 27 | uint32_t mask; |
bogdanm | 20:4263a77256ae | 28 | |
bogdanm | 20:4263a77256ae | 29 | __IO uint32_t *reg_mode; |
bogdanm | 20:4263a77256ae | 30 | __IO uint16_t *reg_set; |
bogdanm | 20:4263a77256ae | 31 | __IO uint16_t *reg_clr; |
bogdanm | 20:4263a77256ae | 32 | __I uint32_t *reg_in; |
bogdanm | 20:4263a77256ae | 33 | __O uint32_t *reg_out; |
bogdanm | 20:4263a77256ae | 34 | } gpio_t; |
bogdanm | 20:4263a77256ae | 35 | |
bogdanm | 20:4263a77256ae | 36 | static inline void gpio_write(gpio_t *obj, int value) { |
mbed_official | 227:7bd0639b8911 | 37 | MBED_ASSERT(obj->pin != (PinName)NC); |
bogdanm | 20:4263a77256ae | 38 | if (value) |
bogdanm | 20:4263a77256ae | 39 | *obj->reg_set = obj->mask; |
bogdanm | 20:4263a77256ae | 40 | else |
bogdanm | 20:4263a77256ae | 41 | *obj->reg_clr = obj->mask; |
bogdanm | 20:4263a77256ae | 42 | } |
bogdanm | 20:4263a77256ae | 43 | |
bogdanm | 20:4263a77256ae | 44 | static inline int gpio_read(gpio_t *obj) { |
mbed_official | 227:7bd0639b8911 | 45 | MBED_ASSERT(obj->pin != (PinName)NC); |
bogdanm | 20:4263a77256ae | 46 | return ((*obj->reg_in & obj->mask) ? 1 : 0); |
bogdanm | 20:4263a77256ae | 47 | } |
bogdanm | 20:4263a77256ae | 48 | |
bogdanm | 20:4263a77256ae | 49 | #ifdef __cplusplus |
bogdanm | 20:4263a77256ae | 50 | } |
bogdanm | 20:4263a77256ae | 51 | #endif |
bogdanm | 20:4263a77256ae | 52 | |
bogdanm | 20:4263a77256ae | 53 | #endif |