Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on May 19, 2013 at 14:21Hello, I was just going through some old datasheets for my AT89S51 microcontrollers based on the 8051. I came across parallel flash programming i.e. directly programming the flash through hardware, without goin...
Posted on May 17, 2013 at 07:13Hi All I am using TFTP example in my project using STM32F2x7_ETH_LwIP_V1.1.0 library but my problem is about the transfer speed !! my results explain that a 255KB file transfer from Pc to ARM take about 3 minutes to c...
Posted on May 18, 2013 at 15:10Hello,I'm currently working on the STM32F100C8, but i'm having problems when trying to program it.When launching the debugger i get the following error:''Program received signal SIGTRAP, Trace/breakpoint trap.0x0800044...
Posted on May 17, 2013 at 07:50Hi everyone, I have an application where I have to start transmission of a single byte from a USART within a small time frame after a hardware signal. Unfortunely a simple start by writing to the USARTs DR-register sta...
Posted on May 02, 2013 at 16:22Hi , I am getting a little problem with my LCD. It run well on my old board with fsmc. It was connected for FSMC_Bank1_NORSRAM1 fsmc_a16 was the RS pin and declaration was : #define LCD_REG (*((volatile un...
Posted on May 17, 2013 at 08:47This is a continuation of my other thread on JTAG, but shifting topics slightly. I need to understand boot up and firmware loading/updating options better. I'm using the BGA version of this device in my product design....
Posted on April 28, 2013 at 14:11HelloI'm a student and my problem is, that I have to do compass demo on my PC, in order to do magnetic effect test. I bought STM32F3Discovery, but i can't find anything. I have found on youtube this compass demo, but...
Posted on May 16, 2013 at 10:00HiDoes anybody have some inline GCC assembly to read the PSR? I am coming from an IAR background and in IAR I just used __get_PSR(), but this is not available in GCC - CrossStudio for Arm from Rowley. Any help in readi...
Posted on May 16, 2013 at 07:49How can i use printf() with usart, if i want to dump the values on serial window after reading the register and printing it's value. #rtfm #stm32l #usart #usart #discovery
Posted on May 15, 2013 at 23:21I've got an STM32F407 with main clock set to 168MHz and am communicating with a slave device over SPI2. The SPI on the slave can work up to 2MHz and I would like to get as close to this as I can. As far as I can tell, ...
