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Allocating memory for 2x256KB buffer

Posted on August 01, 2013 at 16:01dear all,I trust you are well. I cannot figure this out and I was hoping someone more experienced than me could help me out...I am trying to allocate memory for 2 buffers (of uint16_t type) on a STM32F407ZG. each bu...

STM32F4 custom bootloader Vector table

Posted on August 01, 2013 at 17:00I have a custom bootloader that I flash to the first sector (0x8000000) and when it receives a new program it loads it to 0x8004000. however when It jumps to the program it seems to have problems with a lot of the p...

berge472 by Associate II
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No reaction after plugging board via usb to PC

Posted on August 01, 2013 at 13:52Hi, I have tried to measure the real output voltage on 5V pins so I'd know for sure I won't burn my servo, but after doing so all LEDs went of, nothing happens after connecting board to USB and now on the 5v pin I h...

ufix10 by Associate
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Weird ADC temperature sensor results

Posted on July 31, 2013 at 09:26Hi,I am trying to use internal temperature sensor of STM32VLDiscovery board but I have a little problem. I get ADC conversion result and apply the formula in RM0008, temp = (V25-Vsense)/Avg_slope+25, to calculate temp...

Problem with USB lib

Posted on July 29, 2013 at 16:07Hi, I am testing the usb lib 4.0.0 for the VCP functionality on STM32L15xVB targets with 1.3.1 drvier on Win7 hosts. I tried two tests with both usart bridge and loop back examples and unfortunately seeing the same is...

cemer by Associate II
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Stm32f4 tim7 interrupt problem

Posted on July 26, 2013 at 16:48 Hi 2All! I'm trying to toggle LED with TIM7 interrupt. I'm using STM32f417VG with Coocox CoIDE Code is here: void TIM7Config( void ) { //RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM7,ENABLE); /*TIM7...

M_1 by Associate II
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Is my understanding of NVIC is correct?

Posted on July 31, 2013 at 22:17Hello, I don't know if my understanding of NVIC is correct especially to System Tick Timer. &sharpinclude ''stm32f10x.h'' void NVIC_Configuration(void)  {           uint32_t priorityGroup;                            ...

SDK support for STEVAL-IDS001Vx boards?

Posted on July 31, 2013 at 21:27I just started on a hardware dev project and want to use the STEVAL-IDS001V5 board in an embedded ARM9 with Linux. I downloaded the SDK linked from the board's product page but nothing in the SDK appears to support th...

eric by Associate
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STM32F4Discovery - DMA not work.

Posted on July 31, 2013 at 20:14I did try send 100 words 16bits from memory to memory by DMA, and it not work.uint16_t bufor_od[100];  uint16_t bufor_do[100]; RCC->AHB1ENR |= RCC_AHB1ENR_DMA1EN; DMA_InitTypeDef DMA_InitStructure; DMA_DeInit(DMA1_Str...

alprof by Associate II
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