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ITCM and DTCM with STM32F7 Discovery

Posted on March 30, 2016 at 15:16 Hello, I am fairly new to embedded development and I am trying to setup a project (using Eclipse GNU ARM environment) to use ITCM and DTCM on a STM32F7 Discovery board. It seems the default linker ...

F4 I2S CubeMX problem in HAL_I2S_DMAStop

Posted on January 05, 2016 at 08:26I would like to point the attention of ST to the problem they have in the CubeMX generated code.In HAL_StatusTypeDef HAL_I2S_DMAStop(I2S_HandleTypeDef *hi2s) function the procedure described in 26.6.4 I2S master mo...

Writing to Flash - Fault: Mem Manage Handler

Posted on March 31, 2016 at 10:17Hey there.I am using a STM32L476RG. I'm implementing a module for handling erasing and writing of the internal FLASH memory.In a test, I did the sequences as described in the reference manual for: Flash unlockMass ...

STM32F429I Discovery UART4 Data Problem

Posted on March 31, 2016 at 11:00Hi. I'm trying to get what I've sent from UART4 port GPIOC10 (TX) GPIOC11 (RX). But every time I can't get what I've sent. For example I'm sending 0x10, reading 0x90. Port settings; Baud = 9600kbps, 8-bit, Even Parit...

STM32F103ZE UART Tx Random Frame Error

Posted on March 30, 2016 at 17:09Hi,I like to ask opinion.Currently, in my project, I am using several UART. I connected a logic analyzer on Tx and Rx of one channel. Then in Tx, in random bytes, I saw frame error indicated by extra bit space at the...

STM32F469xG STM32F469xE Flash memory organization

Posted on March 30, 2016 at 20:58Hi, For the following devices:STM32F469AESTM32F469IESTM32F469BESTM32F469NEIs the flash memory configured as single bank of 512KBytes? The RM0386 Reference manual does not not make it clear how the 512KByte flash is o...

juan23 by • Associate
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Standard library: stm32xxx_rcc.c: waste of RAM?

Posted on March 30, 2016 at 18:25Hi, I am looking how to save a few bytes in RAM. I am using the standard peripheral lib, and included in stm32f10x_rcc.c, stm32f2xx_rcc.c and stm32l1xx_rcc.c, I found some static constant arrays (PLLMulTable, APBAHBP...

zabel by • Associate III
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LwIP doesn't receive messages after a while

Posted on March 25, 2016 at 17:06Hallo, I'm developing on a board based on STM32F407 and FreeRTOS, FatFS, and LwIP. The code is generated by Cube 4.13. The problem is that during a test with a continuous ping (-f) the board doesn't receive messages ...

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