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Hi Please Help me out for interrupts on LPC3250. How to enable interrupt handler.my program like below
TIMCLK_CTRL1|=0x08; // Enable timer clock T1CTCR = 0x00; //use as a timer T1TCR =0x01; // enable timer T1MCR =0x00000018; // match reg 1 T1MR1 =0x00000000; // reset and Interrupt
And in LPC32x0.s the interrupt handler enabled like this
;PRESERVE8 {FALSE} IMPORT IRQ_Handler Reset_Addr DCD Reset_Handler Undef_Addr DCD Undef_Handler SWI_Addr DCD SWI_Handler PAbt_Addr DCD PAbt_Handler DAbt_Addr DCD DAbt_Handler DCD 0 ; Reserved Address IRQ_Addr DCD IRQ_Handler FIQ_Addr DCD FIQ_Handler Undef_Handler B Undef_Handler SWI_Handler B SWI_Handler PAbt_Handler B PAbt_Handler DAbt_Handler B DAbt_Handler ;IRQ_Handler B IRQ_Handler FIQ_Handler B FIQ_Handler
My interrupt routine as below
void IRQ_Handler(void)__irq { send_data('D'); // for uart5 P2_OUTP_CLR|=0x00001820; // checking for led glow if((MIC_SR&0x00020000)==0x00020000) { send_data('C'); T1IR |=0x01; // T1 Interrupt //timer1(); } return; }
program does not entering into IRQ_Handler Please Help me out. Thanks in advance.
need help again. I want to capture an interrupt which is coming on CAP3.0 for every 20ms. The interrupt coming from another device for every 20ms.
TIMCLK_CTRL1|=0x04;// Enable timer clock T0CTCR = 0x1F; //use as CAP 3 Register T0CCR &=~0x0E00;// Making CAP 0 T0TCR =0x01; // enable timer T0MCR =0x00000018;// enable interrupt MIC_APR &= ~0x00010000; MIC_ATR &= ~0x00010000; MIC_ITR &=~0x00010000; MIC_ER |= 0x00010000;
Can you please tell me the procedure to capture. Thank you.
You now have the fundamental ability to get a timer going and processing an interrupt from it.
You also now know where to look in the reference manual for the infomation concerning each.
The same section in the reference manual clearly describes what facilities are available and how they should be configured.