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Release Notes for STM32L476G-Discovery  Board Drivers

Copyright 2015 STMicroelectronics

 

Update History

V1.0.2 / 25-November-2015

Main Changes

  • stm32l476g_discovery_audio.c
    • Apply correction in BSP_AUDIO_OUT_Init() on SAI clock strobing in line with HAL SAI correction
    • DFSDM filter order and right bit shift tuned for each frequency to have correct audio level on record and to reduce saturation and noise in HAL_DFSDM_FilterRegConvCpltCallback() and HAL_DFSDM_FilterRegConvHalfCpltCallback()
  • NOTE: This release must be used with STM32L4xx HAL driver V1.2.0 or later

V1.0.1 / 16-September-2015

Main Changes

  • stm32l476g_discovery_audio.c
    • Audio playback quality improvement to suppress "click"
    • Audio record correction to not miss first recorded samples
  • stm32l476g_discovery_qspi.c
    • Set QuadSPI prescaler to 1 to configure interface at 40Mhz (in line with component datasheet)
  • stm32l476g_discovery.c, stm32l476g_discovery_audio.c, stm32l476g_discovery_glass_lcd.c and stm32l476g_discovery_qspi.c
    • Apply new GPIO speed frequency define from HAL GPIO (GPIO_SPEED_FREQ_xxxx)
  • NOTE: This release must be used with STM32L4xx HAL driver V1.1.0 or later

V1.0.0 / 26-June-2015

Main Changes

  • First official release of STM32L476G-Discovery board drivers for STM32Cube L4 FW package

License

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.

For complete documentation on STM32 Microcontrollers visit www.st.com/STM32