• Error while trying to initialize printf/scanf with __FILE

    Deepen
    Deepen

    Hi All,

    I am using Keil uVision 5 with STM32F411RE

    I have a piece of code as follows (source http://www.keil.com/support/man/docs/armlib/armlib_chr1358938931411.htm)

     

    #include <stdio.h>
    
    struct __FILE
    {
        int handle;
    };

    However, I keep seeing…

    • 8 days ago
    • Software Tools
    • Keil forum
  • Incorrect value displayed on system viewer window

    tsgowtham
    tsgowtham

    Hi,

    I'm using a STM32F4 Discovery board which has a STM32F407VG with a LIS3DSH accelerometer which is connected by SPI. I'm trying to read a register from the accelerometer and I tried writing the address of the register to SPI->DR. But SPI->DR shows…

    • Answered
    • 1 month ago
    • Software Tools
    • Keil forum
  • Reverse engeneering / debug / emulate .bin stripped firmware

    davidtgbe
    davidtgbe

    Hello,

    I am trying to find out GPIO mapping on a board with an STM32F407 (which firmware function is related to which GPIO). I know I could do it using a LA, but pins are note very accesible.

    I have no access to source code so... I only have a firmware…

    • 1 month ago
    • Software Tools
    • Keil forum
  • Network Component recv() locked when Net4_CM3_L.lib(net_eth.o) compiled to off-chip RAM

    Matěj Jirka
    Matěj Jirka

    Hi guys,

    I am facing this problem for a long time and different versions of Keil.

    When net_eth.o is in off-chip RW_RAM1 (beginning at 0x60000000) networking does not work properly. (STM32F4xx, Network Component 7.12) Simplified Problem:

    Thread 1:

    netInitialize…

    • 3 months ago
    • Software Tools
    • Keil forum
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