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hi i whant define function "UART0_IRQHandler" in my library ( uart library ) but i dont whant use #include <lpc17xx.h> and startup_LPC17xx.s
I tried this code but did not work void (*test) (void) = (void (*) (void)) 0x54;
in file "LPC176x/5x User manual ( UM10360 )" and "Table 50" :
Interrupt_ID : 5 Exception_Number : 21 Vector_Offset : 0x54 Function : UART0 Flag(s) : Rx Line Status (RLS) Transmit Holding Register Empty (THRE) Rx Data Available (RDA) Character Time-out Indicator (CTI) End of Auto-Baud (ABEO) Auto-Baud Time-Out (ABTO)
pls help me - i need define interrupt function in my project but i dont whant use this file : "startup_LPC17xx.s"
========== i define all register and clock setting and i removed "startup_LPC17xx.c" but i cant define interrupt function in my project
no person cant help me?
Until you understand what startup_LPC17xx.s does, you will not be able to add its functionality somewhere else and add your own interrupt handler routines.
fortunately, if you do use startup_LPC17xx.s, you can just write a c function with the same name as in startup_LPC17xx.s and the Default handler will be replaced with your function.
In main (or somewhere)
void UART0_HandlerIRQ(void) { your code here }
Will cause your UART0_HandlerIRQ{) function to be called every time it is activated.
You really do need to understand what startup_LPC17xx.s does before you can remove it. it is only about 250 lines. It would be helpful if you did not post again until you understand what startup_LPC17xx.s does and how you plan on making sure startup happens properly without using startup_LPC17xx.s