STM32 MCUs Products

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Forum Posts

Which USB device class to choose?

Posted on October 12, 2016 at 22:27Hey guys i'd like to use my STM32F4 to transfer data from the MCU to the PC (and vice versa). I thought it would be the easiest for the PC to be the host and the MCU to be the device, therefore i have worked my way...

RESOLVED: USART functions returning ''no definition error''

Posted on October 12, 2016 at 19:24Hello, When using USART, is stm32f4xx_usart.h the only file I would need to include?I currently have this:#include ''stm32f4xx.h''#include ''stm32f4_discovery.h''#include ''stm32f4xx_usart.h''#include <string.h>But...

selmesal by Associate II
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Avoiding spurious interrupt

Posted on October 12, 2016 at 17:28 Hello all, I'm trying to measure the frequency of a signal using the input capture. I'm using the STM32F030's timer 3, which is a 16 bit timer. I want to extend the resolution to 32 bits, using the Capture ...

SRAM - how to find its address ?

Posted on October 10, 2016 at 22:40Hello,I have created with cube new sram display device, and I have its generated code,But I can't find the address which correspond to this device.How should I find it ? I also made search in internet and forum but...

ranran by Senior II
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Jumping to flash address in other bank

Posted on October 12, 2016 at 15:07 Hi! I work on a Nucelo 144, with STM32F4 I try to make a jump starting from the start application (sector 1, address 0x8000000, bank 1) to another application contained in Sector 17 ( address 0x8120000, ba...

STM32F746ZGT6 SDRAM data misaligned

Posted on October 11, 2016 at 23:31I'm having an issue using the FMC to access the SDRAM on an IS4216400J DRAM chip. When I read back the data, it seems the values are misaligned by a half-word. For example, here's some test code I am using:  __IO u...

RESOLVED: UART in STM32F4_Discovery_FW_V1.1.0

Posted on October 12, 2016 at 14:46Hello, I was working off of TIM_PWM_Output (Peripheral_Examples from FW_V1.1.0) and would like to add UART connection to it.How do I initialize UART if using FW_V1.1.0?Thanks, Sel 

selmesal by Associate II
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STM32F030 - Timer freeze when debugging

Posted on August 01, 2016 at 14:02Hello,I use an STM32F030 in the current project and I need timer 1 to stop during debugging (breakpoints, execution stop). It does not matter whether the pwm outputs stop in hi or lo, they just need to stop.After se...

ib by Associate II
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SNMP client (not agent) examples?

Posted on October 04, 2016 at 19:25HelloI've searched almost everywhere but I can't find any example of an SNMP client code. What I'm trying to do is to issue simple SNMP Get/GetNext/Walk commands from an STM32F429 (lwIP) in order to query values fr...

bhakan by Associate II
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