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STM32F4 Discovery and gnu

Posted on January 05, 2015 at 14:21I have a new STM32f4 Discovery board and would like to be able to build, burn, debug programs in Ubuntu linux version 14.04. I basically followed these directions: http://www.wolinlabs.com/blog/linux.stm32.discover...

bobslf by Associate
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configure LSE for RTC on a STM32F4DISCOVERY board.

Posted on January 01, 2015 at 09:39Hello, hapy 2015 to all. I try to use an external LSE for RTC a STM32F4DISCOVERY . I follow indication of clive1 on this post: https://my.st.com/public/STe2ecommunities/mcu/Lists/STM32Discovery/Flat.aspx?RootFolder...

stm32f4 by Associate II
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SPI input value being interpreted incorrectly

Posted on January 05, 2015 at 08:33My project involves using a STM32L152 device as a SPI master that receives data from a slave (digital accelerometer). When I look at the SPI signals through a scope, I notice that the incoming SPI data is being int...

bnp979 by Associate III
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STM32F103C8T6 run after core reset only

Posted on January 04, 2015 at 17:09hi, STM32F103C8T6 Minimum Board after system reset NRST or power reset not run(blink LED). After core reset in ST-Link utility window MCU runs to next hardware button reset. Can any help me please #reset-stm32

HardFault_Handler debugging

Posted on January 04, 2015 at 09:22Dear friends.My platform is STM32F429Discovery.I encountered whit Hard Fault error. I used the code of Joseph Yiu to track the place where error occurs. It is in the portasm_cm4.s (FreeRTOS). ldr r0, [r1]r1=0x03FF...

baev_al by Associate III
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Program always jump to/boot from 0x20000000?

Posted on January 03, 2015 at 13:50Hello all, I just began working on an old project which had some problems that had not been solved, of which I did manage to pinpoint (in relative terms) the source. Developing platform: Keil uv4 Chip:             ...

DAC Internal Reference Settling Time

Posted on January 04, 2015 at 13:09We are building a digital LED buck converter with slope compensation as described AN4885 High brightness LED dimming using the STM32F334 Discovery kit.The discovery kit application uses the DAC to generate a 250 kH...

DAC as internal reference only

Posted on December 28, 2014 at 22:41Does anyone know if it's possible to enable the DAC without having it drive the corresponding output pin (PA4 on STM32F301 in my case)? I want to use it as a reference for the internal comparator, but unfortunatel...

sd card init problem

Posted on January 02, 2015 at 14:28My STM32F429 board uses Kingston 4GB uSDHC card. CubeF4v1.3.0 HAL init fails in SD_PowerON() function in stm32f4xx_hal_sd.c /* Send CMD55 */   sdio_cmdinitstructure.Argument         = 0;   sdio_cmdinitstructure.Cmd...