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Posted on June 06, 2014 at 16:30When setting read protection to level 1 and rebooting the controller, the bootloader is not abled to erase flash. I get the Bit FLASH_FLAG_WRPERR set. According to the reference manual, erasing and writing to flash sh...
Posted on June 16, 2014 at 10:01Hi, I work with STM32L1 and use the USB in VCP. The firmware work perfectly. I use the library ''STM32_USB-FS-Device_Lib_V4.0.0'' and I use the example firmware ''VirtualComport_Loopback'' The usb work!. but I need co...
Posted on June 16, 2014 at 15:25Hi,I am working on STM32F303VCT6.The source clock is a cristal of 32.768Khz.I need to have a time resolution on the RTC of 1ms. So I have arranged the prescalers as follow:SynchPrediv = 0x3E7; AsynchPrediv = 0x21;My ...
Posted on June 16, 2014 at 10:16Hi guys, i recently started to work with orientations and quaternions. Said to do a little math in paralel with my program with a excel spreadsheet. I have the following q`s values double q1=0.99551634; double q2=-0.0...
Posted on June 16, 2014 at 03:15Hi All I have a test were the following 6 operations are performed using standard memcpy() and memset() [working with a byte pointer and a loop]. On an STM32F407 at 168MHz with M2M operations in SRAM. 1. clear 2k byte...
Posted on June 11, 2014 at 12:52Hi everyone, I am trying to send and receive TCP packets from PC to my STM3221G-EVAL Boards however I need to know ip address of my boards.. If someone tell me how to find the IP adress of STM3221G-EVAL thanks.
Posted on June 15, 2014 at 08:14Where can I found an example about STM32F4 Discovery USB virtual com? When the blue button is pressed I have to send a data to the virtual com. bye
Posted on December 13, 2011 at 21:24Hi, How do I exactly use the fpu after enabled it ? How do I for example put 5.5 into it and add 3.25 for example Dooes my software have to do the conversion and just let the fpu cdo the addition , or is the fpu a...
Posted on June 09, 2014 at 09:49The original post was too long to process during our migration. Please click on the attachment to read the original post.
Posted on June 13, 2014 at 20:34Hi everyone, I would like to flash programming my Stm3221G-Eval Boards without using The ST_link..I already configure the boot mode {boot0,boot1} and the boards is properly connected to the PC via an RS232 cable ... ...
