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How many interrupts does RTX can be handle at the same time?

Jaxk Y

Hi All,
I am using MCB2300 board(LPC2368).
If RTX can handle interrupts from 4 UARTs,2 CAN Ports and 1 USB port(4 endpoints) simultaneously?

I tried RTX interrupt handle ablity like this:
keeps sending characters from UART0(115200bps)to a PC,
UART1 keeps sending characters to UART3, and UART3 sends back what it receives.CAN1 keeps sending data to CAN2 , and USB receives data from PC and sends button value to PC(USB works exactly same as RTL_HID USB example code, control 8 LEDs from PC and send button status to PC).
I found if I do not run HID_Client software on PC side, my code works fine.when I run HID_Client my code works less than 1 minute and then stop at:
PAbt_handle B PAbt_handle

in LPC2300.s
Anybody knows what's wrong? it is nested interrupt problem?

Thanks

Jack

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