Forked mbed-dev as I use an 20 pins stm32F042 and not the 32 pins version

Dependents:   Numitron_clock

Fork of mbed-dev by mbed official

Committer:
riktw
Date:
Sun Jan 22 22:20:36 2017 +0000
Revision:
153:0a78729d3229
Parent:
150:02e0a0aed4ec
Back to 8Mhz clock. Revision 1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 150:02e0a0aed4ec 1 /* mbed Microcontroller Library
<> 150:02e0a0aed4ec 2 * Copyright (c) 2006-2013 ARM Limited
<> 150:02e0a0aed4ec 3 *
<> 150:02e0a0aed4ec 4 * Licensed under the Apache License, Version 2.0 (the "License");
<> 150:02e0a0aed4ec 5 * you may not use this file except in compliance with the License.
<> 150:02e0a0aed4ec 6 * You may obtain a copy of the License at
<> 150:02e0a0aed4ec 7 *
<> 150:02e0a0aed4ec 8 * http://www.apache.org/licenses/LICENSE-2.0
<> 150:02e0a0aed4ec 9 *
<> 150:02e0a0aed4ec 10 * Unless required by applicable law or agreed to in writing, software
<> 150:02e0a0aed4ec 11 * distributed under the License is distributed on an "AS IS" BASIS,
<> 150:02e0a0aed4ec 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
<> 150:02e0a0aed4ec 13 * See the License for the specific language governing permissions and
<> 150:02e0a0aed4ec 14 * limitations under the License.
<> 150:02e0a0aed4ec 15 */
<> 150:02e0a0aed4ec 16 #ifndef MBED_GPIO_OBJECT_H
<> 150:02e0a0aed4ec 17 #define MBED_GPIO_OBJECT_H
<> 150:02e0a0aed4ec 18
<> 150:02e0a0aed4ec 19 #include "mbed_assert.h"
<> 150:02e0a0aed4ec 20
<> 150:02e0a0aed4ec 21 #ifdef __cplusplus
<> 150:02e0a0aed4ec 22 extern "C" {
<> 150:02e0a0aed4ec 23 #endif
<> 150:02e0a0aed4ec 24
<> 150:02e0a0aed4ec 25 typedef struct {
<> 150:02e0a0aed4ec 26 PinName pin;
<> 150:02e0a0aed4ec 27 uint32_t mask;
<> 150:02e0a0aed4ec 28
<> 150:02e0a0aed4ec 29 __IO uint32_t *reg_dir;
<> 150:02e0a0aed4ec 30 __IO uint32_t *reg_set;
<> 150:02e0a0aed4ec 31 __IO uint32_t *reg_clr;
<> 150:02e0a0aed4ec 32 __I uint32_t *reg_val;
<> 150:02e0a0aed4ec 33 } gpio_t;
<> 150:02e0a0aed4ec 34
<> 150:02e0a0aed4ec 35 static inline void gpio_write(gpio_t *obj, int value) {
<> 150:02e0a0aed4ec 36 MBED_ASSERT(obj->pin != (PinName)NC);
<> 150:02e0a0aed4ec 37 if (value) {
<> 150:02e0a0aed4ec 38 *obj->reg_set = obj->mask;
<> 150:02e0a0aed4ec 39 } else {
<> 150:02e0a0aed4ec 40 *obj->reg_clr = obj->mask;
<> 150:02e0a0aed4ec 41 }
<> 150:02e0a0aed4ec 42 }
<> 150:02e0a0aed4ec 43
<> 150:02e0a0aed4ec 44 static inline int gpio_read(gpio_t *obj) {
<> 150:02e0a0aed4ec 45 MBED_ASSERT(obj->pin != (PinName)NC);
<> 150:02e0a0aed4ec 46 return ((*obj->reg_val & obj->mask) ? 1 : 0);
<> 150:02e0a0aed4ec 47 }
<> 150:02e0a0aed4ec 48
<> 150:02e0a0aed4ec 49 static inline int gpio_is_connected(const gpio_t *obj) {
<> 150:02e0a0aed4ec 50 return obj->pin != (PinName)NC;
<> 150:02e0a0aed4ec 51 }
<> 150:02e0a0aed4ec 52
<> 150:02e0a0aed4ec 53 #ifdef __cplusplus
<> 150:02e0a0aed4ec 54 }
<> 150:02e0a0aed4ec 55 #endif
<> 150:02e0a0aed4ec 56
<> 150:02e0a0aed4ec 57 #endif