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| <h1 id="release-notes-for-stm32g4xx-hal-drivers"><small>Release Notes for</small> STM32G4xx HAL Drivers</h1> |
| <p>Copyright © 2019 STMicroelectronics<br /> |
| </p> |
| <a href="https://www.st.com" class="logo"><img src="_htmresc/st_logo.png" alt="ST logo" /></a> |
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| <h1 id="license">License</h1> |
| <p>This software component is licensed by ST under BSD 3-Clause license, the “License”; You may not use this component except in compliance with the License. You may obtain a copy of the License at:</p> |
| <p><a href="https://opensource.org/licenses/BSD-3-Clause">https://opensource.org/licenses/BSD-3-Clause</a></p> |
| <h1 id="purpose">Purpose</h1> |
| <p>The STM32Cube HAL and LL, an STM32 abstraction layer embedded software, ensure maximized portability across STM32 portfolio.</p> |
| <p>The Portable APIs layer provides a generic, multi instanced and simple set of APIs to interact with the upper layer (application, libraries and stacks). It is composed of native and extended APIs set. It is directly built around a generic architecture and allows the build-upon layers, like the middleware layer, to implement its functions without knowing in-depth the used STM32 device. This improves the library code reusability and guarantees an easy portability on other devices and STM32 families.</p> |
| <p>The Low Layer (LL) drivers are part of the STM32Cube firmware HAL that provide basic set of optimized and one shot services. The Low layer drivers, contrary to the HAL ones are not Fully Portable across the STM32 families; the availability of some functions depend on the physical availability of the relative features on the product. The Low Layer (LL) drivers are designed to offer the following features:</p> |
| <ul> |
| <li>New set of inline function for direct and atomic register access</li> |
| <li>One-shot operations that can be used by the HAL drivers or from application level.</li> |
| <li>Fully Independant from HAL and can be used in standalone usage (without HAL drivers)</li> |
| <li>Full features coverage of the all the supported peripherals.</li> |
| </ul> |
| </div> |
| <div class="col-sm-12 col-lg-8"> |
| <h1 id="update-history">Update History</h1> |
| <div class="collapse"> |
| <input type="checkbox" id="collapse-section2" checked aria-hidden="true"> <label for="collapse-section1" aria-hidden="true">V1.1.0 / 28-June-2019</label> |
| <div> |
| <h2 id="main-changes">Main Changes</h2> |
| <h3 id="maintenance-release">Maintenance Release</h3> |
| <p>Maintenance release of HAL (Hardware Abstraction Layer) and LL (Low layers) drivers to support STM32G431/41xx, STM32G471xx, STM32G473/83xx and STM32G474/84xx.</p> |
| <h2 id="contents">Contents</h2> |
| <table> |
| <caption>Additional features and changes :</caption> |
| <thead> |
| <tr class="header"> |
| <th style="text-align: left;">Headline</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="odd"> |
| <td style="text-align: left;">General: Support of device STM32G483xx in HAL and LL drivers</td> |
| </tr> |
| <tr class="even"> |
| <td style="text-align: left;">COMP: Suppress Deglitcher mode - Not supported on STM32G4 series</td> |
| </tr> |
| <tr class="odd"> |
| <td style="text-align: left;">HAL: Change naming of the IRQn 2 to RTC_TAMP_LSECSS_IRQn</td> |
| </tr> |
| <tr class="even"> |
| <td style="text-align: left;">HRTIM: HRTIM_OUTPUTRESET_TIMAEVx renamed to HRTIM_OUTPUTRESET_TIMEVx</td> |
| </tr> |
| <tr class="odd"> |
| <td style="text-align: left;">TIM: Add new macro to configure fast mode</td> |
| </tr> |
| <tr class="even"> |
| <td style="text-align: left;">TIM: Master Slave Mode (MSM) is now configurable</td> |
| </tr> |
| </tbody> |
| </table> |
| <table> |
| <caption>Bugs fix :</caption> |
| <thead> |
| <tr class="header"> |
| <th style="text-align: left;">Headline</th> |
| </tr> |
| </thead> |
| <tbody> |
| <tr class="odd"> |
| <td style="text-align: left;">General : redefinition of registers with adjusted address MUST be volatile</td> |
| </tr> |
| <tr class="even"> |
| <td style="text-align: left;">DMA : DMA2 instance cannot be configured in LL drivers</td> |
| </tr> |
| <tr class="odd"> |
| <td style="text-align: left;">GPIO: HAL_GPIO_DeInit() bug on EXTI management</td> |
| </tr> |
| <tr class="even"> |
| <td style="text-align: left;">GPIO: Compilation warning with IAR v8.30</td> |
| </tr> |
| <tr class="odd"> |
| <td style="text-align: left;">HAL: Correct potential issue within HAL_SetTickFreq() function</td> |
| </tr> |
| <tr class="even"> |
| <td style="text-align: left;">HRTIM: HRTIM_TIMxCR.DELCMP isn’t systematically programmed</td> |
| </tr> |
| <tr class="odd"> |
| <td style="text-align: left;">HRTIM: Fault source programming isn’t wrong in HAL_HRTIM_FaultConfig</td> |
| </tr> |
| <tr class="even"> |
| <td style="text-align: left;">HRTIM : Useless Assignment at function HAL_HRTIM_SimpleOCChannelConfig</td> |
| </tr> |
| <tr class="odd"> |
| <td style="text-align: left;">RCC: Should not overwrite Tick priority</td> |
| </tr> |
| <tr class="even"> |
| <td style="text-align: left;">RTC: HAL_RTCEx_SetWakeUpTimer WUTWF management reworked to be aligned with Reference Manual</td> |
| </tr> |
| <tr class="odd"> |
| <td style="text-align: left;">RTC: INITF can rise too early when entering init mode just after exiting</td> |
| </tr> |
| <tr class="even"> |
| <td style="text-align: left;">RTC : fix issue in define with STM32L4 LL RTC month macros</td> |
| </tr> |
| <tr class="odd"> |
| <td style="text-align: left;">RTC : Remove ALRBWF and ALRAWF bits</td> |
| </tr> |
| <tr class="even"> |
| <td style="text-align: left;">TIM: CodeSonar warnings about useless assignment in HAL_TIMEx_ConfigBreakInput()</td> |
| </tr> |
| </tbody> |
| </table> |
| <h2 id="development-toolchains-and-compilers">Development Toolchains and Compilers</h2> |
| <ul> |
| <li>IAR Embedded Workbench for ARM (EWARM) toolchain V8.20.2</li> |
| <li>RealView Microcontroller Development Kit (MDK-ARM) toolchain V5.25</li> |
| <li>System Workbench STM32 (SW4STM32) toolchain V2.7.2</li> |
| </ul> |
| <h2 id="supported-devices">Supported Devices</h2> |
| <ul> |
| <li>STM32G431/41xx</li> |
| <li>STM32G471xx</li> |
| <li>STM32G473/<strong>83xx</strong></li> |
| <li>STM32G474/84xx</li> |
| </ul> |
| </div> |
| </div> |
| <div class="collapse"> |
| <input type="checkbox" id="collapse-section1" aria-hidden="true"> <label for="collapse-section1" aria-hidden="true">V1.0.0 / 12-April-2019</label> |
| <div> |
| <h2 id="main-changes-1">Main Changes</h2> |
| <h3 id="first-release">First release</h3> |
| <p>First official release of HAL (Hardware Abstraction Layer) and LL (Low layers) drivers to support STM32G431/41xx, STM32G471xx, STM32G473/83xx and STM32G474/84xx.</p> |
| <h2 id="development-toolchains-and-compilers-1">Development Toolchains and Compilers</h2> |
| <ul> |
| <li>IAR Embedded Workbench for ARM (EWARM) toolchain V8.20.2</li> |
| <li>RealView Microcontroller Development Kit (MDK-ARM) toolchain V5.25</li> |
| <li>System Workbench STM32 (SW4STM32) toolchain V2.7.2</li> |
| </ul> |
| <h2 id="supported-devices-1">Supported Devices</h2> |
| <ul> |
| <li>STM32G431/41xx</li> |
| <li>STM32G471xx</li> |
| <li>STM32G473xx</li> |
| <li>STM32G474/84xx</li> |
| </ul> |
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| <p>For complete documentation on STM32G4xx, visit: [<a href="http://www.st.com/stm32g4">www.st.com/stm32g4</a>]</p> |
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