/* mbed Microcontroller Library ******************************************************************************* * Copyright (c) 2016, STMicroelectronics * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of STMicroelectronics nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ******************************************************************************* */ #ifndef MBED_PIN_DEVICE_H #define MBED_PIN_DEVICE_H #include "cmsis.h" #include "stm32f1xx_ll_gpio.h" #include "PeripheralPins.h" extern const uint32_t ll_pin_defines[16]; static inline void stm_pin_DisconnectDebug(PinName pin) { // Enable AFIO clock __HAL_RCC_AFIO_CLK_ENABLE(); // Disconnect JTAG-DP + SW-DP signals. // Warning: Need to reconnect under reset if ((pin == PA_13) || (pin == PA_14)) { __HAL_AFIO_REMAP_SWJ_DISABLE(); // JTAG-DP Disabled and SW-DP Disabled } if ((pin == PA_15) || (pin == PB_3) || (pin == PB_4)) { __HAL_AFIO_REMAP_SWJ_NOJTAG(); // JTAG-DP Disabled and SW-DP enabled } } /* The AF selection of F1 family is specific compared to others */ static inline void stm_pin_SetAFPin(GPIO_TypeDef *gpio, PinName pin, uint32_t afnum) { // Enable AFIO clock __HAL_RCC_AFIO_CLK_ENABLE(); if (afnum > 0) { switch (afnum) { case AFIO_REMAP_SPI1_ENABLE: __HAL_AFIO_REMAP_SPI1_ENABLE(); break; case AFIO_REMAP_I2C1_ENABLE: __HAL_AFIO_REMAP_I2C1_ENABLE(); break; case AFIO_REMAP_USART1_ENABLE: __HAL_AFIO_REMAP_USART1_ENABLE(); break; case AFIO_REMAP_USART2_ENABLE: __HAL_AFIO_REMAP_USART2_ENABLE(); break; case AFIO_REMAP_USART3_PARTIAL: __HAL_AFIO_REMAP_USART3_PARTIAL(); break; case AFIO_REMAP_TIM1_PARTIAL: __HAL_AFIO_REMAP_TIM1_PARTIAL(); break; case AFIO_REMAP_TIM3_PARTIAL: __HAL_AFIO_REMAP_TIM3_PARTIAL(); break; case AFIO_REMAP_TIM2_ENABLE: __HAL_AFIO_REMAP_TIM2_ENABLE(); break; case AFIO_REMAP_TIM3_ENABLE: __HAL_AFIO_REMAP_TIM3_ENABLE(); break; #if defined(AFIO_MAPR_CAN_REMAP_REMAP1) case AFIO_REMAP_CAN1_2: __HAL_AFIO_REMAP_CAN1_2(); break; #endif case AFIO_REMAP_TIM1_ENABLE: __HAL_AFIO_REMAP_TIM1_ENABLE(); break; case AFIO_REMAP_USART3_ENABLE: __HAL_AFIO_REMAP_USART3_ENABLE(); break; case AFIO_REMAP_CAN1_3: __HAL_AFIO_REMAP_CAN1_3(); break; case AFIO_REMAP_TIM2_PARTIAL_1: __HAL_AFIO_REMAP_TIM2_PARTIAL_1(); break; case AFIO_REMAP_TIM2_PARTIAL_2: __HAL_AFIO_REMAP_TIM2_PARTIAL_2(); break; case AFIO_REMAP_TIM4_ENABLE: __HAL_AFIO_REMAP_TIM4_ENABLE(); break; #if defined(AFIO_MAPR2_TIM9_REMAP) case AFIO_REMAP_TIM9_ENABLE: __HAL_AFIO_REMAP_TIM9_ENABLE(); break; #endif #if defined(AFIO_MAPR2_TIM10_REMAP) case AFIO_REMAP_TIM10_ENABLE: __HAL_AFIO_REMAP_TIM10_ENABLE(); break; #endif #if defined(AFIO_MAPR2_TIM11_REMAP) case AFIO_REMAP_TIM11_ENABLE: __HAL_AFIO_REMAP_TIM11_ENABLE(); break; #endif #if defined(AFIO_MAPR2_TIM13_REMAP) case AFIO_REMAP_TIM13_ENABLE: __HAL_AFIO_REMAP_TIM13_ENABLE(); break; #endif #if defined(AFIO_MAPR2_TIM14_REMAP) case AFIO_REMAP_TIM14_ENABLE: __HAL_AFIO_REMAP_TIM14_ENABLE(); break; #endif default: break; } } } static inline void stm_pin_PullConfig(GPIO_TypeDef *gpio, uint32_t ll_pin, uint32_t pull_config) { uint32_t function = LL_GPIO_GetPinMode(gpio, ll_pin); switch (pull_config) { case GPIO_PULLUP: if (function == LL_GPIO_MODE_FLOATING) { LL_GPIO_SetPinMode(gpio, ll_pin, LL_GPIO_MODE_INPUT); } LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_UP); break; case GPIO_PULLDOWN: if (function == LL_GPIO_MODE_FLOATING) { LL_GPIO_SetPinMode(gpio, ll_pin, LL_GPIO_MODE_INPUT); } LL_GPIO_SetPinPull(gpio, ll_pin, LL_GPIO_PULL_DOWN); break; default: /* Input+NoPull = Floating for F1 family */ if (function == LL_GPIO_MODE_INPUT) { LL_GPIO_SetPinMode(gpio, ll_pin, LL_GPIO_MODE_FLOATING); } break; } } #endif