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Beginner with ADC3_DMA, ADC3ConvertedValue constant

Posted on June 28, 2012 at 01:21using gcc 4.5.2, st-util 4242, stm32f4discovery, ADC3_DMA peripheral examples from STM32F4-Discovery_FW_V1.1.0, ld file from TrueStudio, startup file from CMSIS. When I run the program in the debugger the ADC value do...

STM32F4 TIM1 PWM missing ch1..3

Posted on June 28, 2012 at 17:48 STM32F4 TIMER 1 PWM1. Please can someone tell me how to enable channels 1, 2 and 3. Channel 4 is fine generating a PWM at 0..100% at 20Hz. I know channels 1..3 hardware is different - just can't figure out what t...

John F. by Senior
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PWM on PB.10 and PB.11 with DMA and TIMER2(CH3 e CH4)

Posted on June 28, 2012 at 19:38How can I configure PWM on TIMER2 (CH3 and CH4)? I would like to configure CH4 in other Channel of the DMA, but looks that only run on Channel 2. /* Configuracoes DMA */  DMA_DeInit(DMA1_Channel2);  DMA_InitStructure....

HSI and GPS interference

Posted on June 28, 2012 at 01:33 Hello everyone, Did anyone notice that STM32 with an internal HSI at 8MHz cannot be used in proximity to an embedded GPS antenna? The 8MHz internal oscillator happens to have the 197th harmonic close to L1...

Timer Preload and Shadow registers

Posted on June 28, 2012 at 12:38Hi, I am trying to get a better understanding of the timer hardware for the advance control timers. In section 14.3.1 of RM0008 (Rev. 14) it states:- ''The auto-reload register is preloaded.Writing to it or reading fr...

dsjnews by Associate III
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STM32F107VC CAN bus pin remap

Posted on June 20, 2012 at 23:19hi.i am using the STM32F107VC board from IAR i have some example code for CAN but in my Board they used the PD0 and PD1 for CAN i dont know how to remap it in my code. i have 2 board and i want to sent data between 2 ...

hello by Associate II
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Max data speed into STM32F4 Discovery via the STLink/V2

Posted on June 27, 2012 at 01:07I was looking to use the STM32F4 Discovery board as an output device which requires a significant bandwidth from the supporting PC.  I don't have specifics nailed down on this task, 115.2Kbaud might be sufficient but ...

dannym by Associate III
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SDIO can't read more than 511 blocks

Posted on June 26, 2012 at 22:41I'm using the standard STM libaries. I'm using SDIO with DMA. It works perfectly when reading up to 511 blocks but as soon as I try and read 512 blocks it stops working. It would successfully transfer 511 blocks then ...

UART4 interrupts during emulation break

Posted on June 27, 2012 at 11:19Hi, I am using the Keil ARM MDK development tool with an STM32F103ZG microcontroller and ULINK Pro JTAG. I have some UART code that I would like to test which requires the generation of UART transmit and receive inter...

dsjnews by Associate III
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how to use STM324xG-EVAL projects on STM32F4 discovery board

Posted on June 09, 2012 at 20:15how to use STM324xG-EVAL projects on STM32F4 discovery board????friends i am new to discovery board...nd i want to use SDIO of discovery....bt example progrms for discovry doesnt contain SDIO program bt for STM324xG-E...

rishi by Associate II
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