In this mode, the timer allows the counter to be started in response to a rising edge on the ETR input and to generate a pulse with a programmable length. This pulse is used when the bitstream clock is generated by the DF...
Void delay_us (U32 NUS) { U32 temp; SysTick->LOAD=nus*fac_us; / / time loading SysTick->VAL=0x00; / / empty counter SysTick->CTRL|=SysTick_CTRL_ENABLE_Msk; / / start the countdown Do { Temp=SysTick->CTRL; } While (temp&0x01&&! (temp& (1<<16))); / / wait for th...
The chronometer works by reading the ARM Cortex instruction counter register (DWT_CYCCNT) each time the debug session is stopped. You can see this by searching for 0xE0001004 (address of the register) in the GDB Session window:VisualGDB also automatically resets the register to 0 at each ...
More information can be found in the J-Link user manual. uVision itself does not know exactly which device you want to connect to and randomly selects one of the available JTAG devices which leads to the reported error. To counter this you need to tel...
1、The currentProgramCounter (PC)介绍The currentProgramCounter (PC)不能当作通用寄存器,因此也不能用作算术指令的源或目标,或用 wenminglang2023-02-23 16:45:47 使用IAR进行编译的时候出现no definition for "__program_start"错误,请问应该如何解决?
The current location of the program counter is shown by the yellow arrow in the left-hand margin. The dark gray blocks indicate the location of executable lines of code. Sign in to download full-size image Figure 2.36. Disassembly window....