• Why does this piece of assembly not work?
    Hello all, Can you tell mw why this piece of code: LDMDB R13, {R0 - LR}^ NOP MOVS PC, LR // hand over control to task does not update registers R13 and R14 (but does update R0 - R12)? The...
  • Why osTimerCreate Failed?
    I use the Keil MDK for study the CMSIS-RTOS RTX Version 4.74, it is the up to date version. My Development Board is Cortex-M4 STM32F407VG. I use the "Manage the run-time environment" build the project...
  • Please help: why connecting failed?
    Hello, I 'm programming the first time with Keil uv_2 and Phytec SK-167CR. At first I want to simulate something on the Phytecboard. But everytime I got the message: "connecting target failed". This...
  • Why SMOD does not work
    When I configure uart communication of ADE7169 device(enhanced 8052 core),I encountered a problem that comment out or not the code (MOV PCON,#80H ;Here is not wor)(line 5) does not affect uart's baud...
  • ARM MDK: Why does this not compile?
    Hi, I hope someone can help. Code with comments explaining the problem is shown below. char const char_set1[42] = {'A','B','C','D','E','F','G','H', 'I','J','K','L','M','N','O','P', 'Q','R...