adc showing garbeg value

hi sir, i am trying to plot adc data register value in logic analyser , but while giving sine wave input to board stm32f103, i am unable to get sine wave in high frequency .it working fine at around...
adc showing garbeg value

hi sir, i am trying to plot adc data register value in logic analyser , but while giving sine wave input to board stm32f103, i am unable to get sine wave in high frequency .it working fine at around...
PMU's cycles counter showing unstable values

I'm trying to measure performance of my code by using pmu. Code placed in EL1. To test pmu I created simple loop of couple operations. I did it under spinlock with disabled interrupts to prevent any preemption...
usart inline functions show strange values

I've another question: I installed the usart which is already working but there's something which I don't really understand. AT91F_PMC_EnablePeriphClock ( AT91C_BASE_PMC, 1<<AT91C_ID_US1 ); ...
local variables not showing correct value

Hi, Am I doing something wrong? The local variable below called 'test_byte' is used to hold return values from function 'ser_buff_read_byte ()'. The value returned is always 0x1D both in the watch...