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Posted on May 27, 2015 at 15:33Hi, I have discover there is one extra ghost byte is sent in SPI. I have monitor the memory area of DMA TX buffer, the data there is correct, but I will receive one extra byte in the beginning.Here is my code/* Buffers...
Posted on May 27, 2015 at 09:51Hello there,I've noticed that the in my application the start-up time, i.e. the time from power-up to the first instruction in main() is about 7 to 8 ms. This seems very long to me.I'm using a STM32F103RC and the IAR c...
Posted on May 27, 2015 at 03:29Hi, I'm writing a bootloader, and need to determine the device density and flash size. I can read the flash size OK, from memory address 0x1FFFF7E0 However I can't seem to read the ''MCU device ID code'' , which is des...
Posted on May 27, 2015 at 09:56 Hi, I'm using spi to read and write from an spi flash part, which is working the vast majority of the time. Occasionally I get an incorrect value. Looking at the signals on a logic analyzer the spi clock s...
Posted on May 20, 2015 at 11:35 Hi, I would make a loopback with my board STM3210C using USART2. I use the code /public/STe2ecommunities/mcu/Lists/cortex_mx_stm32/Flat.aspx?RootFolder=https://my.st.com/public/STe2ecommunities/mcu/List...
Posted on May 23, 2015 at 07:33 Hello again, Im decided to switch my first project stm32 from the HAL driver library to the SPL. I was able to get a blinky program working using the STCubeMX software and Kei1 with the HAL drives, but i wa...
Posted on May 26, 2015 at 20:50Intro I am using the STM32 Discovery board to talk with sensor that receives and sends data packet on SPI1. I have unpopulated U5 on the discovery board so that it lets me use the SPI1 port. I can send the data packet ...
Posted on May 26, 2015 at 21:20Is there a way to set the STM32F401 USB DFU Bootloader product ID and vendor ID to something else than the default ST values ?
Posted on April 29, 2013 at 14:47 Hi everyone and thanks in advance for your advices. I'm using a quadrature encoder from Bourns : http://www.bourns.com/data/global/pdfs/pecpdf#search=%22PEC11%22 with an STM32F4 chip. I h...
Posted on May 26, 2015 at 13:47Hi We are using __WFI(); command to enter into sleep mode in STM32F205, the controller will come out of sleep mode if there is any interrupt. Is there any ''command'' with which we can manually come out of sleep mo...
