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Work on scs.h register and also nvic.h.

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ARM Interrupt API (see nvic.h).
ARM SysTick API (see systick.h).
Example using both Interrupt and SysTick and blink LED1/2/3 see systickdemo.c.
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TitanMKD
2012-06-09 18:27:42 +02:00
parent 161aad0139
commit 8d97dbc7c3
9 changed files with 741 additions and 1 deletions
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examples/lpc43xx/hackrf-jellybean/systick/README Normal file
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README
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This program exercises the SysTick Interrupt of ARM CortexM4 on Jellybean's LPC43xx.
It also enable Cycle Counter to be used for accurate delay independant from Clock Frequency.
The Demo Use Cycle Counter and SysTick Interrupt to compute number of cycles executed per second.
The result is LED1/2 & 3 Blink with an accurate 1s Period (using SysTick) (Checked visualy and with Oscilloscope).