Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on March 12, 2017 at 12:48Hi Everyone,I ma using the st3485EC rs485 to uart interface to send/receive data to 485 device. I transmit data with no problems and i can see the device replying back with some strings. However, I am not able to rec...
Posted on December 09, 2016 at 08:34 I'm going to write 2 revisions of the same program to flash and make a bootloader which will start one of them, depending on some criterias. #gcc-position-independend Note: this post was migrated and contain...
Posted on August 24, 2017 at 18:32Hi I want to purchase two of the discovery boards of ST32L431. Where is the link for this?. Thanks.
Posted on August 28, 2017 at 15:12ARMv7M has provided a tracing unit for debugging: The Data Watchpoint and Trace unit. but it has only 8bit counter for such as CPICNT. how do you use it to count a piece of code?#stm32f7 #dwt #dwt->cyccnt #stm32f7-d...
Posted on August 28, 2017 at 19:13Hi,I am trying to figure out how to go about Cycle by Cycle current limiting with the F334.The current sensor output (for instance a shunt or a current transformer) is connected to the comparator non-inverting (ISEN...
Posted on August 28, 2017 at 17:21Using STM32L496RG, IAR toolset. Application uses both DACs. Recently added IWDG (independent watchdog) to provide overall reset in the event of software errors. DAC's are just used to provide DC levels for trimmi...
Posted on August 28, 2017 at 12:15I have the following Trace Code and need to know the Date Code:GF727314Y V6 GF = Date Code: ???Thanks for any help.Simon
Posted on August 23, 2017 at 14:42Hello everyone,I am trying to test the communication between the two SPI modules of my board. The master (SPI1) must sent an command to the slave (SPI2). If the command is 0x31 the slave must send back 15 Bytes of d...
Posted on August 28, 2017 at 17:40I want to implement a slave I2C interface with STM32F411.I can't know in advance how many bytes are going to be written from the master, or how many bytes are going to be read.I followed this approach:check in HAL_I...
Posted on August 14, 2017 at 09:57Dear All.I try to complier sample code from st at D:\STM32\STM32F746NG\STM32Cube_FW_F7_V1.7.0\Projects\STM32746G-Discovery\Demonstration\MDK-ARMOn sample video from https://www.youtube.com/watch?v=R78zvO-s6H0 qualit...
