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# Release Notes for STM32F4xx-Nucleo Board Drivers Copyright © 2017 STMicroelectronics
The BSP (Board Specific Package) drivers are parts of the STM32Cube package based on the HAL drivers and provide a set of high level APIs relative to the hardware components and features in the evaluation boards, discovery kits and nucleo boards coming with the STM32Cube package for a given STM32 serie. The BSP drivers allow a quick access to the boards’ services using high level APIs and without any specific configuration as the link with the HAL and the external components is done in intrinsic within the drivers. From project settings points of view, user has only to add the necessary driver’s files in the workspace and call the needed functions from examples. However some low level configuration functions are weak and can be overridden by the applications if user wants to change some BSP drivers default behavior. ## Update History ### V1.2.7 / 25-September-2017 Main Changes Add general description of BSP drivers Remove date & version ### V1.2.6 / 27-January-2017 Main Changes Replace __PPP_CLK_ENABLE/DISABLE with __HAL_RCC_PPP_ENABLE/DISABLE ### V1.2.5 / 06-May-2016 Main Changes stm32f4xx_nucleo.c BSP_JOY_GetState() alignment with HAL ADC driver V1.4.4 ### V1.2.4 / 12-January-2016 Main Changes General updates to fix doxygen errors Add STM32F4-Nucleo_BSP_User_Manual.chm file Add use of UNUSED(data) in LCD_IO_WriteMultipleData() to fix "Unused variable" warning with SW4STM32 ### V1.2.3 / 13-November-2015 Main Changes stm32f4xx_nucleo.c Add SD_IO_CSSState(), SD_IO_WriteReadData() and SD_IO_WriteReadData() APIs for proper support of the Adafruit shield V2.0.1 Add new API for Button, LED and Joystick deinitialization: BSP_PB_DeInit(), BSP_LED_DeInit(), BSP_JOY_DeInit() Replace static APIs SPIx_Read(), SD_IO_ReadByte(), SD_IO_WriteCmd(), SD_IO_WaitResponse() and SD_IO_WriteDummy() by SD_IO_WriteReadData() API. stm32f4xx_nucleo.h Add new define "ADAFRUIT_TFT_JOY_SD_ID802" for the Adafruit TFT shield support. ### V1.2.2 / 14-August-2015 Main Changes stm32f4xx_nucleo.h Add alias to BUTTON_USER for backward compatibility. ### V1.2.1 / 02-March-2015 Main Changes stm32f4xx_nucleo.c/.h Align to STM32F4xx HAL Driver V1.3.0 for __HAL_RCC_PPP_CLK_ENABLE() . ### V1.2.0 / 26-December-2014 Main Changes stm32f4xx_nucleo.c Add LCD_IO_WriteMultipleData() LCD IO function, needed for ST7735 BSP component driver. Note: This driver version V1.2.0 needs ST7735 BSP component driver V1.1.0 and later. ### V1.1.1 / 10-December-2014 Main Changes stm32f4xx_nucleo.c BSP_BP_Init(): Fix limitation on button pin configuration (change EXTI polarity from rising to falling) ### V1.1.0 / 19-June-2014 Main Changes stm32f4xx_nucleo.c/.h Update driver to support LCD, joystick and microSD available on Adafruit 1.8" shield (reference ID 802) by adding the SPI and ADC IO link operations Enhance BSP_PB_Init() function by removing the call of __SYSCFG_CLK_ENABLE() already enabled in the HAL_GPIO_Init() Correct BSP_LED_Off() and BSP_LED_On() by inverting GPIO_PIN_RESET/ GPIO_PIN_SET values written on GPIO pins Comments clean up and typo corrections ### V1.0.0 / 18-February-2014 Main Changes First official release ## License Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 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. 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. For complete documentation on STM32 Microcontrollers visit www.st.com/STM32