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  • Can't step through STR9LIB code
    If I use any of the library source code from C:\Keil\ARM\RV30\LIB\ST\STR91x (91x_ssp.c for example but it is the same for all of them) and build the project (with no compiler or linker warnings or errors...
  • Write & Read through UART
    Hi, I tried to write and read data through the UART pins using 'printf' and 'scanf' commands.The simulations in keil and Proteus seems to be OK but when I try to use the hardware the write string at...
  • RL-FlashFs in RTX Can't write data in file.
    My project use RTX and RL-FlashFs,I can create,del,read file,but can't write anydata to file. My CPU is LM3S8938,menory device is SD card. Pls tell me how to solve it? Thanks!
  • Can't write into DWT Registers
    Hello, I want to measure microseconds with the Cycle Counter of the DWT-Unit on a STM32F7. After long long searching, I found a lot of examples to do this by setting the CoreDebug->DEMCR register...