LPC21XX DATASHEET PDF
Remark: Throughout the data sheet, the term LPC// will apply to devices with and without the /00 or /01 suffixes. The /00 or the. The LPC/LPC are based on a 16/32 bit ARM7TDMI-S“ CPU with real- time emulation and embedded trace support, together with / kilobytes. LPC21xx and LPC22xx User Manual, UM – Free ebook download as PDF File The format of this data sheet has been redesigned to comply with the new .
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Or simply suitably work? When you get an IRQ interrupt you just have to look at the interrupt bit mask to see the origin of the interrupt and branch to the correct handler.
lpc21xx datasheet & applicatoin notes – Datasheet Archive
As far as FreeRTOS goes there is not going to be much difference between this type of interrupt and an automatically vectored interrupt once you are in the handler itself. The only difference is how you get to the handler. I should try getting the periodic interrupt working first in the absence of FreeRTOS the datasheet gives info on how to do this. Then just hook up the RTOS tick routine to the interrupt once you know it is working correctly.
The syntax of how to write the routine will be the same as per the LPC Keil demo. Just make sure that the method of jumping the the handler leaves the registers link register, stack pointer in tact and unmodified between the interrupt occurring and the ISR entry.
UM10114 Datasheet PDF
If so this should make it simpler and Richard is normally quite good at having a look at your code. I have never used an ADUC, but from a quick glance at the rather minimal datasheet link in previous postit appears that satasheet is a very simple interrupt system.
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