mbed official / mbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_NRF51_MICROBIT/TARGET_NORDIC/TARGET_MCU_NRF51822/gpio_object.h@138:093f2bd7b9eb, 2017-03-14 (annotated)

Committer:
<>
Date:
Tue Mar 14 16:20:51 2017 +0000
Revision:
138:093f2bd7b9eb
Parent:
104:b9ad9a133dc7 
Release 138 of the mbed library



Ports for Upcoming Targets





Fixes and Changes



3716: fix for issue #3715: correction in startup files for ARM and IAR, alignment of system_stm32f429xx.c files https://github.com/ARMmbed/mbed-os/pull/3716

3741: STM32 remove warning in hal_tick_32b.c file https://github.com/ARMmbed/mbed-os/pull/3741

3780: STM32L4 : Fix GPIO G port compatibility https://github.com/ARMmbed/mbed-os/pull/3780

3831: NCS36510: SPISLAVE enabled (Conflict resolved) https://github.com/ARMmbed/mbed-os/pull/3831

3836: Allow to redefine nRF's PSTORAGE_NUM_OF_PAGES outside of the mbed-os https://github.com/ARMmbed/mbed-os/pull/3836

3840: STM32: gpio SPEED - always set High Speed by default https://github.com/ARMmbed/mbed-os/pull/3840

3844: STM32 GPIO: Typo correction. Update comment (GPIO_IP_WITHOUT_BRR) https://github.com/ARMmbed/mbed-os/pull/3844

3850: STM32: change spi error to debug warning https://github.com/ARMmbed/mbed-os/pull/3850

3860: Define GPIO_IP_WITHOUT_BRR for xDot platform https://github.com/ARMmbed/mbed-os/pull/3860

3880: DISCO_F469NI: allow the use of CAN2 instance when CAN1 is not activated https://github.com/ARMmbed/mbed-os/pull/3880

3795: Fix pwm period calc https://github.com/ARMmbed/mbed-os/pull/3795

3828: STM32 CAN API: correct format and type https://github.com/ARMmbed/mbed-os/pull/3828

3842: TARGET_NRF: corrected spi_init() to properly handle re-initialization https://github.com/ARMmbed/mbed-os/pull/3842

3843: STM32L476xG: set APB2 clock to 80MHz (instead of 40MHz) https://github.com/ARMmbed/mbed-os/pull/3843

3879: NUCLEO_F446ZE: Add missing AnalogIn pins on PF_3, PF_5 and PF_10. https://github.com/ARMmbed/mbed-os/pull/3879

3902: Fix heap and stack size for NUCLEO_F746ZG https://github.com/ARMmbed/mbed-os/pull/3902

3829: can_write(): return error code when no tx mailboxes are available https://github.com/ARMmbed/mbed-os/pull/3829

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 104:b9ad9a133dc7 1 /* mbed Microcontroller Library
Kojto 104:b9ad9a133dc7 2 * Copyright (c) 2006-2013 ARM Limited
Kojto 104:b9ad9a133dc7 3 *
Kojto 104:b9ad9a133dc7 4 * Licensed under the Apache License, Version 2.0 (the "License");
Kojto 104:b9ad9a133dc7 5 * you may not use this file except in compliance with the License.
Kojto 104:b9ad9a133dc7 6 * You may obtain a copy of the License at
Kojto 104:b9ad9a133dc7 7 *
Kojto 104:b9ad9a133dc7 8 * http://www.apache.org/licenses/LICENSE-2.0
Kojto 104:b9ad9a133dc7 9 *
Kojto 104:b9ad9a133dc7 10 * Unless required by applicable law or agreed to in writing, software
Kojto 104:b9ad9a133dc7 11 * distributed under the License is distributed on an "AS IS" BASIS,
Kojto 104:b9ad9a133dc7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Kojto 104:b9ad9a133dc7 13 * See the License for the specific language governing permissions and
Kojto 104:b9ad9a133dc7 14 * limitations under the License.
Kojto 104:b9ad9a133dc7 15 */
Kojto 104:b9ad9a133dc7 16 #ifndef MBED_GPIO_OBJECT_H
Kojto 104:b9ad9a133dc7 17 #define MBED_GPIO_OBJECT_H
Kojto 104:b9ad9a133dc7 18
Kojto 104:b9ad9a133dc7 19 #include "mbed_assert.h"
Kojto 104:b9ad9a133dc7 20
Kojto 104:b9ad9a133dc7 21 #ifdef __cplusplus
Kojto 104:b9ad9a133dc7 22 extern "C" {
Kojto 104:b9ad9a133dc7 23 #endif
Kojto 104:b9ad9a133dc7 24
Kojto 104:b9ad9a133dc7 25 typedef struct {
Kojto 104:b9ad9a133dc7 26 PinName pin;
Kojto 104:b9ad9a133dc7 27 uint32_t mask;
Kojto 104:b9ad9a133dc7 28
Kojto 104:b9ad9a133dc7 29 __IO uint32_t *reg_dir;
Kojto 104:b9ad9a133dc7 30 __IO uint32_t *reg_set;
Kojto 104:b9ad9a133dc7 31 __IO uint32_t *reg_clr;
Kojto 104:b9ad9a133dc7 32 __I uint32_t *reg_in;
Kojto 104:b9ad9a133dc7 33 } gpio_t;
Kojto 104:b9ad9a133dc7 34
Kojto 104:b9ad9a133dc7 35 static inline void gpio_write(gpio_t *obj, int value) {
Kojto 104:b9ad9a133dc7 36 MBED_ASSERT(obj->pin != (PinName)NC);
Kojto 104:b9ad9a133dc7 37 if (value)
Kojto 104:b9ad9a133dc7 38 *obj->reg_set = obj->mask;
Kojto 104:b9ad9a133dc7 39 else
Kojto 104:b9ad9a133dc7 40 *obj->reg_clr = obj->mask;
Kojto 104:b9ad9a133dc7 41 }
Kojto 104:b9ad9a133dc7 42
Kojto 104:b9ad9a133dc7 43 static inline int gpio_read(gpio_t *obj) {
Kojto 104:b9ad9a133dc7 44 MBED_ASSERT(obj->pin != (PinName)NC);
Kojto 104:b9ad9a133dc7 45 return ((*obj->reg_in & obj->mask) ? 1 : 0);
Kojto 104:b9ad9a133dc7 46 }
Kojto 104:b9ad9a133dc7 47
Kojto 104:b9ad9a133dc7 48 static inline int gpio_is_connected(const gpio_t *obj) {
Kojto 104:b9ad9a133dc7 49 return obj->pin != (PinName)NC;
Kojto 104:b9ad9a133dc7 50 }
Kojto 104:b9ad9a133dc7 51
Kojto 104:b9ad9a133dc7 52 #ifdef __cplusplus
Kojto 104:b9ad9a133dc7 53 }
Kojto 104:b9ad9a133dc7 54 #endif
Kojto 104:b9ad9a133dc7 55
Kojto 104:b9ad9a133dc7 56 #endif