UART Help
Posted on November 03, 2017 at 06:51Hello,I am using an STM 32 F401 Nucleo and i want to send numbers from PC via UART.For example I need to set the frequency and amplitude.Can some one help me to provide the code?Thank you in advance.
STM32 MCUs Products
Ask questions, find answers, and share insights on STM32 products and their technical features.
Forum Posts
DMA triggering via Timer(Input capture mode)
Posted on November 04, 2017 at 11:17I want to transfer some data between two microcontrollers via 16 lines of data and one clk line.(Based on STM Application note AN4666 ''Parallel synchronous transmition using GPIO and DMA'').I use two STM32f407 fo...
stm32f0 uart1 rx interrupt problem
Posted on November 04, 2017 at 11:50helloI have stm32f030f4p6 Microcontroller and using iar Compiler , library cmsis , After confige Uart1 the RXNE , FE and CMF bits return 1 whereas not recieve or send was done if I dont set RXNE bit to 0 thats Stu...
STM32F767 - erratical Read Out Protection set, Option Bytes scrambled
Posted on November 03, 2017 at 08:07Sometimes without any reproduceable reason my project with STM32F767 does not power up. If this occurs Read Out Protection is set (which I definitely do not have done) and Option Bytes are scrambled: BOOT_ADD0 and...
STM32F746 DISCOVERY OV9655 keeps the MCU in RESET state
Posted on November 04, 2017 at 09:15I am using the stm32f746-discovery board with the ov9655. I downloaded a program from the internet and programed the MCU using st-link utility(https://embeddedintelligence.wordpress.com/projects/stm32f746ngh6-disc...
STM32F334 Burst DMA
Posted on July 27, 2016 at 02:33I have been trying to get the burst DMA working across Timers on the STM32F334 without success. The reference manual has; The burst DMA mode is permanently enabled (there is no enable bit). A burst DMA operation is st...
STM32479I-Eval USB Mass storage
Posted on November 04, 2017 at 06:31Hi Everyone,I recently bought the STM32479I-Eval board and downloaded STM32Cube_FW_F4_V1.17.0 and testing the High Speed USB Mass storage device sample .Application is working fine and able to see Mass storage dev...
Is there a support for a Star Topolgy?
Posted on November 03, 2017 at 21:52Hi,We are trying to investigate whether there is a ST development kit that can support hub feature.Meaning, suppose we have 2 ST kit running BLE stack with lets say heart rate monitor application.Then we have anot...
My MCLK on SAI1 Block A stopped working?
Posted on November 03, 2017 at 17:25I have been developing a TDM audio system for a multi-mono output system. I had the SAI1 BlockA working great a few weeks ago but now I'm not getting anything out of the MCLK or other pins. I haven't changed the...
STPM32 Regulator outputs
Posted on November 03, 2017 at 20:49Hi,It is shown at the schematic of EVALSTPM32 evaluation board , both 3V and 1.2V voltage regulator outputs are connected to ground via some capacitors. Is it mandatory to terminate these pins as shown in the sche...
