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STM32L0 GPIOA_MODER A4 default value

Posted on January 06, 2015 at 11:20Hello, the STM32L0 series sets nearly all GPIO to analog mode as default. This does make sense opposed to the ''default to input'' on other family that may result in high current draw with floating inputs. Only Por...

AHBxENR and AHBxLPENR

Posted on January 06, 2015 at 11:06Hello, how is the relation between AHBxENR and AHBxLPENR? If some clock is disabled in run-mode, it is automatic also disabled in sleep mode despite the related LPENR bit _not_ reset?. Or is it needed explicit to r...

SPI input value being interpreted incorrectly

Posted on January 04, 2015 at 04:11My project involves using a STM32L152 part 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 inter...

bnp979 by Associate III
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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 II
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