mbed official / mbed

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

Dependents:   hello SerialTestv11 SerialTestv12 Sierpinski ... more

mbed 2

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

TARGET_NUCLEO_F439ZI/TARGET_STM/gpio_object.h@140:97feb9bacc10, 2017-04-12 (annotated)

Committer:
<>
Date:
Wed Apr 12 16:07:08 2017 +0100
Revision:
140:97feb9bacc10
Parent:
138:093f2bd7b9eb 
Release 140 of the mbed library



Ports for Upcoming Targets



3841: Add nRf52840 target https://github.com/ARMmbed/mbed-os/pull/3841

3992: Introducing UBLOX_C030 platform. https://github.com/ARMmbed/mbed-os/pull/3992



Fixes and Changes



3951: [NUCLEO_F303ZE] Correct ARDUINO pin https://github.com/ARMmbed/mbed-os/pull/3951

4021: Fixing a macro to detect when RTOS was in use for the NRF52840_DK https://github.com/ARMmbed/mbed-os/pull/4021

3979: KW24D: Add missing SPI defines and Arduino connector definitions https://github.com/ARMmbed/mbed-os/pull/3979

3990: UBLOX_C027: construct a ticker-based wait, rather than calling wait_ms(), in the  https://github.com/ARMmbed/mbed-os/pull/3990

4003: Fixed OBOE in async serial tx for NRF52 target, fixes #4002 https://github.com/ARMmbed/mbed-os/pull/4003

4012: STM32: Correct I2C master error handling https://github.com/ARMmbed/mbed-os/pull/4012

4020: NUCLEO_L011K4 remove unsupported tool chain files https://github.com/ARMmbed/mbed-os/pull/4020

4065: K66F: Move bss section to m_data_2 Section https://github.com/ARMmbed/mbed-os/pull/4065

4014: Issue 3763: Reduce heap allocation in the GCC linker file https://github.com/ARMmbed/mbed-os/pull/4014

4030: [STM32L0] reduce IAR heap and stack size for small targets https://github.com/ARMmbed/mbed-os/pull/4030

4109: NUCLEO_L476RG : minor serial pin update https://github.com/ARMmbed/mbed-os/pull/4109

3982: Ticker - kl25z bugfix for handling events in the past https://github.com/ARMmbed/mbed-os/pull/3982

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 135:176b8275d35d 1 /* mbed Microcontroller Library
<> 135:176b8275d35d 2 *******************************************************************************
<> 135:176b8275d35d 3 * Copyright (c) 2016, STMicroelectronics
<> 135:176b8275d35d 4 * All rights reserved.
<> 135:176b8275d35d 5 *
<> 135:176b8275d35d 6 * Redistribution and use in source and binary forms, with or without
<> 135:176b8275d35d 7 * modification, are permitted provided that the following conditions are met:
<> 135:176b8275d35d 8 *
<> 135:176b8275d35d 9 * 1. Redistributions of source code must retain the above copyright notice,
<> 135:176b8275d35d 10 * this list of conditions and the following disclaimer.
<> 135:176b8275d35d 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 135:176b8275d35d 12 * this list of conditions and the following disclaimer in the documentation
<> 135:176b8275d35d 13 * and/or other materials provided with the distribution.
<> 135:176b8275d35d 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 135:176b8275d35d 15 * may be used to endorse or promote products derived from this software
<> 135:176b8275d35d 16 * without specific prior written permission.
<> 135:176b8275d35d 17 *
<> 135:176b8275d35d 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 135:176b8275d35d 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 135:176b8275d35d 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 135:176b8275d35d 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 135:176b8275d35d 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 135:176b8275d35d 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 135:176b8275d35d 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 135:176b8275d35d 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 135:176b8275d35d 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 135:176b8275d35d 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 135:176b8275d35d 28 *******************************************************************************
<> 135:176b8275d35d 29 */
<> 135:176b8275d35d 30 #ifndef MBED_GPIO_OBJECT_H
<> 135:176b8275d35d 31 #define MBED_GPIO_OBJECT_H
<> 135:176b8275d35d 32
<> 135:176b8275d35d 33 #include "mbed_assert.h"
<> 135:176b8275d35d 34 #include "cmsis.h"
<> 135:176b8275d35d 35 #include "PortNames.h"
<> 135:176b8275d35d 36 #include "PeripheralNames.h"
<> 135:176b8275d35d 37 #include "PinNames.h"
<> 135:176b8275d35d 38
<> 135:176b8275d35d 39 #ifdef __cplusplus
<> 135:176b8275d35d 40 extern "C" {
<> 135:176b8275d35d 41 #endif
<> 135:176b8275d35d 42
<> 135:176b8275d35d 43 /*
<> 135:176b8275d35d 44 * Note: reg_clr might actually be same as reg_set.
<> 135:176b8275d35d 45 * Depends on family whether BRR is available on top of BSRR
<> 138:093f2bd7b9eb 46 * if BRR does not exist, family shall define GPIO_IP_WITHOUT_BRR
<> 135:176b8275d35d 47 */
<> 135:176b8275d35d 48 typedef struct {
<> 135:176b8275d35d 49 uint32_t mask;
<> 135:176b8275d35d 50 __IO uint32_t *reg_in;
<> 135:176b8275d35d 51 __IO uint32_t *reg_set;
<> 135:176b8275d35d 52 __IO uint32_t *reg_clr;
<> 138:093f2bd7b9eb 53 PinName pin;
<> 138:093f2bd7b9eb 54 GPIO_TypeDef *gpio;
<> 138:093f2bd7b9eb 55 uint32_t ll_pin;
<> 135:176b8275d35d 56 } gpio_t;
<> 135:176b8275d35d 57
<> 135:176b8275d35d 58 static inline void gpio_write(gpio_t *obj, int value)
<> 135:176b8275d35d 59 {
<> 135:176b8275d35d 60 if (value) {
<> 135:176b8275d35d 61 *obj->reg_set = obj->mask;
<> 135:176b8275d35d 62 } else {
<> 135:176b8275d35d 63 #ifdef GPIO_IP_WITHOUT_BRR
<> 135:176b8275d35d 64 *obj->reg_clr = obj->mask << 16;
<> 135:176b8275d35d 65 #else
<> 135:176b8275d35d 66 *obj->reg_clr = obj->mask;
<> 135:176b8275d35d 67 #endif
<> 135:176b8275d35d 68 }
<> 135:176b8275d35d 69 }
<> 135:176b8275d35d 70
<> 135:176b8275d35d 71 static inline int gpio_read(gpio_t *obj)
<> 135:176b8275d35d 72 {
<> 135:176b8275d35d 73 return ((*obj->reg_in & obj->mask) ? 1 : 0);
<> 135:176b8275d35d 74 }
<> 135:176b8275d35d 75
<> 135:176b8275d35d 76 static inline int gpio_is_connected(const gpio_t *obj)
<> 135:176b8275d35d 77 {
<> 135:176b8275d35d 78 return obj->pin != (PinName)NC;
<> 135:176b8275d35d 79 }
<> 135:176b8275d35d 80
<> 138:093f2bd7b9eb 81
<> 135:176b8275d35d 82 #ifdef __cplusplus
<> 135:176b8275d35d 83 }
<> 135:176b8275d35d 84 #endif
<> 135:176b8275d35d 85
<> 135:176b8275d35d 86 #endif