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STM32F4 Timers synchronization

Posted on August 06, 2013 at 10:51 Hello. I would like to ask you, how could I connect 2 timers to count at the same time? My configuration is like this: TIM2 is reference (externally via ETR I connect reference oscillator 16 MHz). ...

mkusenda by Associate
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OpenGL on Discovery F4

Posted on August 05, 2013 at 12:04Hi i am new to STM32, I have a discovery F4 with a touch display, i would like to port a opengl on it, please suggest me #discovery #stm32 #opengl

rst by Associate
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Software vs Hardware resets

Posted on August 05, 2013 at 18:16 I have an application that is working fine when I have a hardware reset (pulling NRST low) but when it is power cycled, or has a software reset (NVIC_SystemReset();) It gets hung up on the following functions: ...

berge472 by Associate II
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What is the difference between Channels and Streams?

Posted on August 05, 2013 at 15:02Hello, I am a new starter of STM32. I'm quite confused by the concepts of Channels and Streams while dealing with DMA. What is the difference between them? Any comments will be appreciated, cheers. #dma-stm32f4di...

ran2 by Associate III
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Zero Jitter ISR for STM32F051

Posted on August 05, 2013 at 17:00Hi,On STM32F051 I am trying to implement zero jitter interrupt servce routine for TIM6. I understand in Cortex-M0 architecture, there is a way to set higher IRQ latency to achieve zero jitter. I am not able to locat...

dr by Associate
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STM32 USART3

Posted on August 02, 2013 at 06:30Hello All, I am using USART3 in Half duplex mode for 1 wire protocol. The reset pulse of the one wire protocol has to be sent at 9600 and data exchnage at 115200. The problem I am facing here is BRR register doesnt ...

problem on watchdog

Posted on August 05, 2013 at 14:51Hi everbody,I'm using a ST32F205VE. On my board, I'm using the internal watchdog of the microcontroller and an external watchdog (MCP1318T).During normal operation, the �c sends square pulses every 0.5s to the exter...

SPI configuration

Posted on July 26, 2013 at 08:00hello i have configure the SPI1 in the stm32F0 for a data acquisition from a sensor. I marked that the processor always enter in the RXNE interrupt  despite there is no  data in the MISO pin.    /* SPI1 Periph clock e...

STM32 SPI Hardware CS Generation

Posted on December 17, 2012 at 16:00 I'm working with the STM32F407VG chip (both on the STM32F4Discovery board and a custom board) and having trouble with the SPI port chip select in master mode. The following is the minimal code to demonstrate ...

jhaines by Associate
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