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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_NUCLEO_F103RB/TARGET_STM/TARGET_STM32F1/pin_device.h@143:86740a56073b, 2017-05-26 (annotated)

Committer:
AnnaBridge
Date:
Fri May 26 12:30:20 2017 +0100
Revision:
143:86740a56073b
Parent:
138:093f2bd7b9eb
Child:
151:675da3299148
Release 143 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 138:093f2bd7b9eb 1 /* mbed Microcontroller Library
<> 138:093f2bd7b9eb 2 *******************************************************************************
<> 138:093f2bd7b9eb 3 * Copyright (c) 2016, STMicroelectronics
<> 138:093f2bd7b9eb 4 * All rights reserved.
<> 138:093f2bd7b9eb 5 *
<> 138:093f2bd7b9eb 6 * Redistribution and use in source and binary forms, with or without
<> 138:093f2bd7b9eb 7 * modification, are permitted provided that the following conditions are met:
<> 138:093f2bd7b9eb 8 *
<> 138:093f2bd7b9eb 9 * 1. Redistributions of source code must retain the above copyright notice,
<> 138:093f2bd7b9eb 10 * this list of conditions and the following disclaimer.
<> 138:093f2bd7b9eb 11 * 2. Redistributions in binary form must reproduce the above copyright notice,
<> 138:093f2bd7b9eb 12 * this list of conditions and the following disclaimer in the documentation
<> 138:093f2bd7b9eb 13 * and/or other materials provided with the distribution.
<> 138:093f2bd7b9eb 14 * 3. Neither the name of STMicroelectronics nor the names of its contributors
<> 138:093f2bd7b9eb 15 * may be used to endorse or promote products derived from this software
<> 138:093f2bd7b9eb 16 * without specific prior written permission.
<> 138:093f2bd7b9eb 17 *
<> 138:093f2bd7b9eb 18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
<> 138:093f2bd7b9eb 19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
<> 138:093f2bd7b9eb 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 138:093f2bd7b9eb 21 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
<> 138:093f2bd7b9eb 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
<> 138:093f2bd7b9eb 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
<> 138:093f2bd7b9eb 24 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
<> 138:093f2bd7b9eb 25 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
<> 138:093f2bd7b9eb 26 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
<> 138:093f2bd7b9eb 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 138:093f2bd7b9eb 28 *******************************************************************************
<> 138:093f2bd7b9eb 29 */
<> 138:093f2bd7b9eb 30 #ifndef MBED_PIN_DEVICE_H
<> 138:093f2bd7b9eb 31 #define MBED_PIN_DEVICE_H
<> 138:093f2bd7b9eb 32
<> 138:093f2bd7b9eb 33 #include "cmsis.h"
<> 138:093f2bd7b9eb 34 #include "stm32f1xx_ll_gpio.h"
<> 138:093f2bd7b9eb 35
<> 138:093f2bd7b9eb 36 extern const uint32_t ll_pin_defines[16];
<> 138:093f2bd7b9eb 37
<> 138:093f2bd7b9eb 38 static inline void stm_pin_DisconnectDebug(PinName pin)
<> 138:093f2bd7b9eb 39 {
<> 138:093f2bd7b9eb 40 // Disconnect JTAG-DP + SW-DP signals.
<> 138:093f2bd7b9eb 41 // Warning: Need to reconnect under reset
<> 138:093f2bd7b9eb 42 if ((pin == PA_13) || (pin == PA_14)) {
<> 138:093f2bd7b9eb 43 __HAL_AFIO_REMAP_SWJ_DISABLE(); // JTAG-DP Disabled and SW-DP Disabled
<> 138:093f2bd7b9eb 44 }
<> 138:093f2bd7b9eb 45 if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) {
<> 138:093f2bd7b9eb 46 __HAL_AFIO_REMAP_SWJ_NOJTAG(); // JTAG-DP Disabled and SW-DP enabled
<> 138:093f2bd7b9eb 47 }
<> 138:093f2bd7b9eb 48 }
<> 138:093f2bd7b9eb 49
<> 138:093f2bd7b9eb 50 /* The AF selection of F1 family is specific compared to others */
<> 138:093f2bd7b9eb 51 static inline void stm_pin_SetAFPin(GPIO_TypeDef *gpio, PinName pin, uint32_t afnum)
<> 138:093f2bd7b9eb 52 {
<> 138:093f2bd7b9eb 53 // Enable AFIO clock
<> 138:093f2bd7b9eb 54 __HAL_RCC_AFIO_CLK_ENABLE();
<> 138:093f2bd7b9eb 55
<> 138:093f2bd7b9eb 56 if (afnum > 0) {
<> 138:093f2bd7b9eb 57 switch (afnum) {
<> 138:093f2bd7b9eb 58 case 1: // Remap SPI1
<> 138:093f2bd7b9eb 59 __HAL_AFIO_REMAP_SPI1_ENABLE();
<> 138:093f2bd7b9eb 60 break;
<> 138:093f2bd7b9eb 61 case 2: // Remap I2C1
<> 138:093f2bd7b9eb 62 __HAL_AFIO_REMAP_I2C1_ENABLE();
<> 138:093f2bd7b9eb 63 break;
<> 138:093f2bd7b9eb 64 case 3: // Remap USART1
<> 138:093f2bd7b9eb 65 __HAL_AFIO_REMAP_USART1_ENABLE();
<> 138:093f2bd7b9eb 66 break;
<> 138:093f2bd7b9eb 67 case 4: // Remap USART2
<> 138:093f2bd7b9eb 68 __HAL_AFIO_REMAP_USART2_ENABLE();
<> 138:093f2bd7b9eb 69 break;
<> 138:093f2bd7b9eb 70 case 5: // Partial Remap USART3
<> 138:093f2bd7b9eb 71 __HAL_AFIO_REMAP_USART3_PARTIAL();
<> 138:093f2bd7b9eb 72 break;
<> 138:093f2bd7b9eb 73 case 6: // Partial Remap TIM1
<> 138:093f2bd7b9eb 74 __HAL_AFIO_REMAP_TIM1_PARTIAL();
<> 138:093f2bd7b9eb 75 break;
<> 138:093f2bd7b9eb 76 case 7: // Partial Remap TIM3
<> 138:093f2bd7b9eb 77 __HAL_AFIO_REMAP_TIM3_PARTIAL();
<> 138:093f2bd7b9eb 78 break;
<> 138:093f2bd7b9eb 79 case 8: // Full Remap TIM2
<> 138:093f2bd7b9eb 80 __HAL_AFIO_REMAP_TIM2_ENABLE();
<> 138:093f2bd7b9eb 81 break;
<> 138:093f2bd7b9eb 82 case 9: // Full Remap TIM3
<> 138:093f2bd7b9eb 83 __HAL_AFIO_REMAP_TIM3_ENABLE();
<> 138:093f2bd7b9eb 84 break;
<> 138:093f2bd7b9eb 85 #if defined(AFIO_MAPR_CAN_REMAP_REMAP1)
<> 138:093f2bd7b9eb 86 case 10: // CAN_RX mapped to PB8, CAN_TX mapped to PB9
<> 138:093f2bd7b9eb 87 __HAL_AFIO_REMAP_CAN1_2();
<> 138:093f2bd7b9eb 88 break;
<> 138:093f2bd7b9eb 89 #endif
<> 138:093f2bd7b9eb 90 default:
<> 138:093f2bd7b9eb 91 break;
<> 138:093f2bd7b9eb 92 }
<> 138:093f2bd7b9eb 93 }
<> 138:093f2bd7b9eb 94 }
<> 138:093f2bd7b9eb 95
<> 138:093f2bd7b9eb 96 static inline void stm_pin_PullConfig(GPIO_TypeDef *gpio, uint32_t ll_pin, uint32_t pull_config)
<> 138:093f2bd7b9eb 97 {
<> 138:093f2bd7b9eb 98 uint32_t function = LL_GPIO_GetPinMode(gpio, ll_pin);
<> 138:093f2bd7b9eb 99
<> 138:093f2bd7b9eb 100 switch (pull_config) {
<> 138:093f2bd7b9eb 101 case GPIO_PULLUP:
<> 138:093f2bd7b9eb 102 if (function == LL_GPIO_MODE_FLOATING)
<> 138:093f2bd7b9eb 103 LL_GPIO_SetPinMode(gpio, ll_pin, LL_GPIO_MODE_INPUT);
<> 138:093f2bd7b9eb 104 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_UP);
<> 138:093f2bd7b9eb 105 break;
<> 138:093f2bd7b9eb 106 case GPIO_PULLDOWN:
<> 138:093f2bd7b9eb 107 if (function == LL_GPIO_MODE_FLOATING)
<> 138:093f2bd7b9eb 108 LL_GPIO_SetPinMode(gpio, ll_pin, LL_GPIO_MODE_INPUT);
<> 138:093f2bd7b9eb 109 LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_DOWN);
<> 138:093f2bd7b9eb 110 break;
<> 138:093f2bd7b9eb 111 default:
<> 138:093f2bd7b9eb 112 /* Input+NoPull = Floating for F1 family */
<> 138:093f2bd7b9eb 113 if (function == LL_GPIO_MODE_INPUT)
<> 138:093f2bd7b9eb 114 LL_GPIO_SetPinMode(gpio, ll_pin, LL_GPIO_MODE_FLOATING);
<> 138:093f2bd7b9eb 115 break;
<> 138:093f2bd7b9eb 116 }
<> 138:093f2bd7b9eb 117 }
<> 138:093f2bd7b9eb 118
<> 138:093f2bd7b9eb 119 #endif