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# Release Notes for STM32VL-Discovery Examples Copyright 2017 STMicroelectronics
## Update History ### V1.5.0 / 14-April-2017 Main Changes Update stm32f1xx_hal_conf.h file to be aligned with new conf_template.h Update HAL examples to use TIM HW as time base source instead of Systick Add 2 new HAL TimeBase examples : HAL_TimeBase_RTC_ALARM and HAL_TimeBase_RTC_WKUP ### V1.4.0 / 29-April-2016 Main Changes Update all the system_stm32f1xx.c with new AHBPrescTable and APBPrescTable. ### V1.3.0 / 18-December-2015 Main Changes To ensure the full compatibility of the GPIO interfaces across all the STM32 families, the gpio speed definition have been renamed: GPIO_SPEED_LOW to GPIO_SPEED_FREQ_LOW GPIO_SPEED_MEDIUM to GPIO_SPEED_FREQ_MEDIUM GPIO_SPEED_HIGH to GPIO_SPEED_FREQ_HIGH aliases are created to keep backward compatibility Reduce the default timeout value for the startup of the HSE form 5s to 100ms. Update the Keil projects from V4 to V5. ### V1.2.0 / 31-July-2015 Main Changes Removing SW4STM32 projects as not supported by SW4STM32. SW4STM32 support only STLinkv2 and STLinkv2.1, not STLinkv1. ### V1.1.0 / 05-June-2015 Main Changes Add support of System Workbench for STM32 (SW4STM32) toolchain ### V1.0.0 / 16-December-2014 Main Changes First official release. ## License Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); You may not use this package except in compliance with the License. You may obtain a copy of the License at: http://www.st.com/software_license_agreement_liberty_v2 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. For complete documentation on STM32 Microcontrollers visit www.st.com/STM32