mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_STM/TARGET_STM32H7/pin_device.h@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 189:f392fc9709a3 1 /* mbed Microcontroller Library
AnnaBridge 189:f392fc9709a3 2 *******************************************************************************
AnnaBridge 189:f392fc9709a3 3 * Copyright (c) 2016, STMicroelectronics
AnnaBridge 189:f392fc9709a3 4 * All rights reserved.
AnnaBridge 189:f392fc9709a3 5 *
AnnaBridge 189:f392fc9709a3 6 * Redistribution and use in source and binary forms, with or without
AnnaBridge 189:f392fc9709a3 7 * modification, are permitted provided that the following conditions are met:
AnnaBridge 189:f392fc9709a3 8 *
AnnaBridge 189:f392fc9709a3 9 * 1. Redistributions of source code must retain the above copyright notice,
AnnaBridge 189:f392fc9709a3 10 * this list of conditions and the following disclaimer.
AnnaBridge 189:f392fc9709a3 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
AnnaBridge 189:f392fc9709a3 12 * this list of conditions and the following disclaimer in the documentation
AnnaBridge 189:f392fc9709a3 13 * and/or other materials provided with the distribution.
AnnaBridge 189:f392fc9709a3 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
AnnaBridge 189:f392fc9709a3 15 * may be used to endorse or promote products derived from this software
AnnaBridge 189:f392fc9709a3 16 * without specific prior written permission.
AnnaBridge 189:f392fc9709a3 17 *
AnnaBridge 189:f392fc9709a3 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AnnaBridge 189:f392fc9709a3 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
AnnaBridge 189:f392fc9709a3 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
AnnaBridge 189:f392fc9709a3 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
AnnaBridge 189:f392fc9709a3 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
AnnaBridge 189:f392fc9709a3 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
AnnaBridge 189:f392fc9709a3 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
AnnaBridge 189:f392fc9709a3 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
AnnaBridge 189:f392fc9709a3 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
AnnaBridge 189:f392fc9709a3 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
AnnaBridge 189:f392fc9709a3 28 *******************************************************************************
AnnaBridge 189:f392fc9709a3 29 */
AnnaBridge 189:f392fc9709a3 30 #ifndef MBED_PIN_DEVICE_H
AnnaBridge 189:f392fc9709a3 31 #define MBED_PIN_DEVICE_H
AnnaBridge 189:f392fc9709a3 32
AnnaBridge 189:f392fc9709a3 33 #include "cmsis.h"
AnnaBridge 189:f392fc9709a3 34 #include "stm32h7xx_ll_gpio.h"
AnnaBridge 189:f392fc9709a3 35
AnnaBridge 189:f392fc9709a3 36 extern const uint32_t ll_pin_defines[16];
AnnaBridge 189:f392fc9709a3 37
AnnaBridge 189:f392fc9709a3 38 /* Family specific implementations */
AnnaBridge 189:f392fc9709a3 39 static inline void stm_pin_DisconnectDebug(PinName pin)
AnnaBridge 189:f392fc9709a3 40 {
AnnaBridge 189:f392fc9709a3 41 /* empty for now */
AnnaBridge 189:f392fc9709a3 42 }
AnnaBridge 189:f392fc9709a3 43
AnnaBridge 189:f392fc9709a3 44 static inline void stm_pin_PullConfig(GPIO_TypeDef *gpio, uint32_t ll_pin, uint32_t pull_config)
AnnaBridge 189:f392fc9709a3 45 {
AnnaBridge 189:f392fc9709a3 46 switch (pull_config) {
AnnaBridge 189:f392fc9709a3 47 case GPIO_PULLUP:
AnnaBridge 189:f392fc9709a3 48 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_UP);
AnnaBridge 189:f392fc9709a3 49 break;
AnnaBridge 189:f392fc9709a3 50 case GPIO_PULLDOWN:
AnnaBridge 189:f392fc9709a3 51 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_DOWN);
AnnaBridge 189:f392fc9709a3 52 break;
AnnaBridge 189:f392fc9709a3 53 default:
AnnaBridge 189:f392fc9709a3 54 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_NO);
AnnaBridge 189:f392fc9709a3 55 break;
AnnaBridge 189:f392fc9709a3 56 }
AnnaBridge 189:f392fc9709a3 57 }
AnnaBridge 189:f392fc9709a3 58
AnnaBridge 189:f392fc9709a3 59 static inline void stm_pin_SetAFPin(GPIO_TypeDef *gpio, PinName pin, uint32_t afnum)
AnnaBridge 189:f392fc9709a3 60 {
AnnaBridge 189:f392fc9709a3 61 uint32_t ll_pin = ll_pin_defines[STM_PIN(pin)];
AnnaBridge 189:f392fc9709a3 62
AnnaBridge 189:f392fc9709a3 63 if (STM_PIN(pin) > 7) {
AnnaBridge 189:f392fc9709a3 64 LL_GPIO_SetAFPin_8_15(gpio, ll_pin, afnum);
AnnaBridge 189:f392fc9709a3 65 } else {
AnnaBridge 189:f392fc9709a3 66 LL_GPIO_SetAFPin_0_7(gpio, ll_pin, afnum);
AnnaBridge 189:f392fc9709a3 67 }
AnnaBridge 189:f392fc9709a3 68 }
AnnaBridge 189:f392fc9709a3 69
AnnaBridge 189:f392fc9709a3 70 #endif