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Posted on September 10, 2012 at 09:25In my application I set up SysTick with: SysTick_Config(SystemCoreClock / 1000);to generate a 1ms interrupt.I got some weird timing anomalies and eventually used a timer interrupt to generate 1ms interrupts using...
Posted on July 02, 2011 at 20:18Hello.I'm trying to use the internal temperature sensor, but I can't understand the reference manual formula: Temp = ((V25 - Vsense) / Avg_slope) + 25).In the product datasheet, it says V25 is 1.41 V and Avg_slope is...
Posted on September 07, 2012 at 14:29Hi, I would like to know if its posible to restore st-link firmware on the STM32F103C8. I have 2 boards and I tried to program it to play a little with USB. Can I restore it? How? Thanks in advance.
Posted on September 08, 2012 at 14:48Hi guys, I have a board from hardware guys who told me they had tested this board and everything is fine including SPI1. But I cannot let my SPI1 working because status register bit TXE is always 0. From the spec...
Posted on September 10, 2012 at 04:03Hello every1, few days ago i had a problem with uart tx and nw i have solved that problem. so my tx is working fine now. my rx is working too but very slow and gets junk values. below is my code. int main(void) {...
Posted on September 10, 2012 at 14:29Greetings,I'm trying to test a hard fault handler, but are having some problems with executing it.I generate the hard fault the following way:MOVS r0, &sharp1 LDM r0,{r1-r2} BX LRThe problem is that the code brea...
Posted on September 10, 2012 at 11:56 Please help,i am beginner? I can not flash a development board stm32l discovery. I think I messed up something in the settings when suturing the microcontroller is an error when you try to erase board stm32l ...
Posted on September 10, 2012 at 09:40Hi, I am having an issue with ST-LinkV2 on a STM32L-discovery board not communicating with the IAR debugger after the system clock is lowered. In my code, I started off with the sysclk at 4.194Mhz (using the MSI)...
Posted on September 09, 2012 at 21:55Hi I need to be able to update the Period for a timer (TIM3) I though it was simple, but no.I have tried :else if(TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET){ ledTimeBaseStructure.TIM_Period = newValue; TIM_Ti...
Posted on August 29, 2012 at 21:23I have some similar problem with my new STM32F4 Discovery board. Neither my xp macine nor my windows 7 machine can recognize the board. The led lights are able to blinking. But the device driver is not able to insta...
