Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on November 26, 2014 at 14:27Reading http://www.iar.com/Global/Resources/Developers_Toolbox/C_Cplusplus_Programming/Improve_performance_of_digital_signal_processing_with_IAR_Embedded_Workbench_for_ARM.pdfpage 3 :arm_sqrt_f32 : 52 cyclessqrt :...
Posted on November 26, 2014 at 18:20 Hi! Keil MDK Lite V5.12 I cannot tell why the debugger cannot breakpoint certain rows. Like a CAN_Transmit function. Not only will put an exclamation mark, it will jump over it completely. This function is that ...
Posted on November 25, 2014 at 09:09I get some stm32f103cbt6 or similar parts from china that prices are very low compared to digikey prices(ST price is 2.4$ @10000), but china price is about 2$, what is the reason? Is china made stm32 reliable and ...
Posted on November 26, 2014 at 14:37 Hi, a delay fuction like delay(1000000) how long is? 1000000 what is it? us? ms? thanks
Posted on June 24, 2014 at 09:04I'm trying to make reciprocal counter on STM32F4-Discovery. Concept: 0. Input signal connected to TIM1_Ch1 (PA8) and TIM4_ETR (PE0); 1. TIM1 is clocked from HSE 168MHz, configured to start from external ...
Posted on November 25, 2014 at 15:39Hello everyone,we got a project where we need literally any space available for dynamic heap allocation.So we now switched from a F2 to a F4 setup, because it has more RAM. We are using the STM32F427 at the moment...
Posted on November 26, 2014 at 15:54Hi All, I am having stm32f4discovery board with stm32f407vg processor and i am new to stm32f4 & also embedded programming. i tried delay using normal delay loop function calling method but i need to check timer i...
Posted on November 26, 2014 at 16:51I used JFlash to program the bootloader & application FW into STM32F103RC on board via Jlink.'Secure chip' was enable. The unit is able to upgrade the application FW via USB and this worked fine. The bootloader re...
Posted on November 21, 2014 at 15:55Hi all Here the scenerio is DMA updating the timer and timer update trigerring the DAC At the starting of the program DAC_buffersize is 158 ..that is ok I am able to see the DAC_OUT increment in the scope . but wh...
Posted on November 26, 2014 at 11:44Hi,I'm working on hardware with a stm32f105. It has the USART1 connected to the usb port, and I need to create a VCP to send and receive data from a PC. Is there any example that can help me? Can anyone tell me ho...
