# Release Notes for STM32L1xx_Nucleo Board Drivers

Copyright © 2017 STMicroelectronics

# License

Licensed by ST under BSD 3-Clause license (the "License"). You may not use this package except in compliance with the License. You may obtain a copy of the License at:

https://opensource.org/licenses/BSD-3-Clause

# Purpose

This directory contains the board drivers to demonstrate the capabilities of the STM32L1xx Nucleo Kit.

# Update History

V1.1.3 / 05-April-2019

## Main Changes

- Update format of Release_Notes.html file.
- Update CHM User Manual for BSP/STM32L1xx_Nucleo.

V1.1.2 / 21-April-2017

## Main Changes

- Remove DATE and VERSION fields from header files.
- Update CHM User Manual for BSP/STM32L1xx_Nucleo.

V1.1.1 / 21-April-2017

## Main Changes

- Update CHM User Manual for BSP/STM32L1xx_Nucleo.

V1.1.0 / 04-March-2016

## Main Changes

- Rewrite driver to support 4 Gb micro sd card.
- Add functions:
  - BSP_LED_DeInit
  - BSP_PB_DeInit
  - BSP_JOY_DeInit

V1.0.2 / 09-October-2015

## Main Changes

- Added aliases to use either BUTTON_USER or BUTTON_KEY.
- The polling of ADC is improved inside BSP_JOY_GetState function.
- The LED GPIO is set to GPIO_NOPULL instead of GPIO_PULLUP to improve the power consumption.
- Added check on parameter given to :
  - LEDx_GPIO_CLK_ENABLE(LED)
  - LEDx_GPIO_CLK_DISABLE(LED)
  - BUTTONx_GPIO_CLK_ENABLE(BUTTON)
  - BUTTONx_GPIO_CLK_DISABLE(BUTTON)

## Other compatibilities

- Due to changes in the gpio speed definition, this version requires STM32L1xx_HAL_Driver V1.1.2

V1.0.1 / 31-March-2015

## Main Changes

- Alignment to latest changes done on HAL driver.

V1.0.0 / 05-September-2014

## Main Changes

- First official release dedicated to STM32CubeL1 based development. Supported devices is STM32L152RE.