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Adding RAM to STM32F4

Posted on September 04, 2013 at 21:37Hi,For my project I need additional RAM, is it possible to add memory to the STM32F407VG (in the STM32F4-Discovery Board) using the FSMC interface?

PWM not work by using TIM10_CH1

Posted on September 04, 2013 at 08:22My platform's MCU is STM32f205. I try to modify TIM10_PWMOutput example from STM32F2xx Standard Peripherals Firmware Library to generate one PWM signal by using TIM10_CH1function of pin PB8. But it doesn't work?...

blacksu6 by • Associate II
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how to change default(unexpected) IRQ handler ?

Posted on August 19, 2013 at 13:59I may have some spurious or unhandled interrupts and want to see where and when with software catch. Is there a default (in absence of specific) IRQ handler i can overwrite / install? (E.g. as you would with  HardFa...

denis by • Associate II
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DMA-USART Example

Posted on September 03, 2013 at 14:51hello, at the moment i'm working on the DMA-USART example from the FW library  to fit into my application. the transmitting process(uC=> PC) is working as estimated, but the problem is i have to update the ''DMA...

PWM with TIM1 lags

Posted on February 10, 2012 at 20:00HelloSTM32RBT6 should control 1 servo with PWM output. For all TIM2 - TIM4 I tested it seems to be OK, but for TIM1 Channel 1 which is one I need it is working only occasionally what is very strange.Sometime I jus...

zexx86 by • Associate II
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stm32f207 use nss pin as gpio when using SPI

Posted on September 03, 2013 at 21:50Hi everyone, I have a problem with a stm32f207 device. I use the NSS pin of the SPI2 as a GPO. (The chip select to my SPI2 devices comes from an external I2C IO expander). NSS pin (I4) seems to be working ok as ...

oe2 by • Associate III
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Help with DMA1 and DMA2

Posted on September 03, 2013 at 18:31Hello guys, I have a problem with DMA2, while using DMA1 in the STM32F407VGT6The thing is I�m doing a program which reproduce MP3 music while it reads the data from an SD.I use the DMA1 Stream 7 for sending data ...

USART1 stop transmit suddenly

Posted on September 03, 2013 at 18:27Hi,I'm using STM32F103VE. USART1(9600,n,8,1) for sending data in interrupt  of TIM2.TIM2 occurs every 10ms. In TIM2 interrupt routine I call a function to transfer data via USART1:  USART_SendData(USART1, x);   (...

hoaptadv by • Associate II
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EMC Problem with STM32L151

Posted on September 03, 2013 at 16:47I appreciate any help ThanksA tracker with STM32L151 began to have a bug even with the watchdog enabled. The crash always occurs when the modem gsm this broadcast.We created a test version that only flashing a gs...

edsoncan by • Associate
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