#include <avr32/io.h>
#include <sys/interrupts.h>
Include dependency graph for interrupt_example_gcc.c:
Go to the source code of this file.
Defines | |
| #define | FAILURE -1; |
| #define | INPUT_MASK 0x000000ff |
| #define | OUTPUT_MASK 0x0000ff00 |
| #define | SUCCESS 0; |
Functions | |
| int | main (void) |
| __int_handler * | pioc_int_handler () |
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Definition at line 52 of file interrupt_example_gcc.c. |
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Definition at line 54 of file interrupt_example_gcc.c. Referenced by main(), pioc_int_handler(), and pioc_interrupt_handler(). |
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Definition at line 55 of file interrupt_example_gcc.c. Referenced by main(). |
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Definition at line 51 of file interrupt_example_gcc.c. |
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The main function. It sets up the interrupt handler and waits for interrupts from the dip switch.
Definition at line 82 of file interrupt_example_gcc.c. References INPUT_MASK, OUTPUT_MASK, and pioc_int_handler(). 00083 { 00084 volatile struct avr32_pio_t *pioc = &AVR32_PIOC; 00085 00086 /* 00087 Setup the PIO controller. Set PIOC[8..15] as output, PIOC[0..7] as input. 00088 To get this to work on your stk1000, connect J6 to J15 and J3 to J25 00089 */ 00090 00091 pioc->odr= INPUT_MASK; 00092 pioc->per = OUTPUT_MASK; 00093 pioc->oer = OUTPUT_MASK; 00094 pioc->codr = INPUT_MASK & OUTPUT_MASK; 00095 pioc->puer = INPUT_MASK & OUTPUT_MASK; 00096 pioc->idr &= ~INPUT_MASK; 00097 pioc->ier = INPUT_MASK; 00098 pioc->ower = OUTPUT_MASK; 00099 00100 00101 /* Setup the interrupt handler, handled by newlib */ 00102 set_interrupts_base( (void *) AVR32_INTC_ADDRESS ); 00103 /* register_intterupt( (__int_handler) {func}, {GROUP}, {LINE}, {LEVEL} ); */ 00104 register_interrupt( (__int_handler) (pioc_int_handler), AVR32_PIOC_IRQ/32, AVR32_PIOC_IRQ % 32, INT0); 00105 init_interrupts(); 00106 00107 while(1); 00108 00109 return 0; 00110 }
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The gcc PIO interrupt handler.
Definition at line 62 of file interrupt_example_gcc.c. References INPUT_MASK. Referenced by main(). 00063 { 00064 volatile struct avr32_pio_t *pioc = &AVR32_PIOC; 00065 int status; 00066 00067 status = pioc->isr; 00068 status = pioc->pdsr; 00069 00070 pioc->odsr =~(status&INPUT_MASK)<<8; /* set led */ 00071 00072 return (void *) 0; 00073 }
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1.4.6