Paul Paterson / mbed-src-CanNucleoF0

mbed library sources, include can_api for nucleo-f091rc

Dependents:   CanNucleoF0_example

Fork of mbed-src by mbed official

targets/hal/TARGET_STM/TARGET_STM32F4XX/gpio_object.h@645:13c87cbecd54, 2016-01-07 (annotated)

Committer:
ptpaterson
Date:
Thu Jan 07 05:49:05 2016 +0000
Revision:
645:13c87cbecd54
Parent:
461:b90c5392bbcd 
corrected freeze on CAN_RECEIVE_IT

Who changed what in which revision?

UserRevisionLine numberNew 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
mbed_official 461:b90c5392bbcd 49 static inline int gpio_is_connected(const gpio_t *obj) {
mbed_official 461:b90c5392bbcd 50 return obj->pin != (PinName)NC;
mbed_official 461:b90c5392bbcd 51 }
mbed_official 461:b90c5392bbcd 52
bogdanm 20:4263a77256ae 53 #ifdef __cplusplus
bogdanm 20:4263a77256ae 54 }
bogdanm 20:4263a77256ae 55 #endif
bogdanm 20:4263a77256ae 56
bogdanm 20:4263a77256ae 57 #endif