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85 lines
2.4 KiB
85 lines
2.4 KiB
/* gpiohandler.c - gpiohandler */ |
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#include <xinu.h> |
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/*------------------------------------------------------------------------ |
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* gpiohandler - Handle an interrupt for a gpio device |
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*------------------------------------------------------------------------ |
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*/ |
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void gpiohandler( |
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uint32 xnum /* IRQ number */ |
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) |
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{ |
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struct gpio_csreg *csrptr; /* GPIO CSR pointer */ |
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gpiointhook gphookfn; /* The inerrupt function */ |
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/* Clear all interrupts */ |
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// if(xnum == GPIO0_INT_A) { |
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// csrptr = (struct gpio_csreg *)(GPIO0_BASE); |
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// gphookfn = gpiotab[0].gphookfn; |
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// if(gphookfn != NULL) |
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// gphookfn(xnum, csrptr->irqstatus0); |
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// csrptr->irqstatus0 = 0xFFFFFFFF; |
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// return; |
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// } |
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// if(xnum == GPIO0_INT_B) { |
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// csrptr = (struct gpio_csreg *)(GPIO0_BASE); |
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// gphookfn = gpiotab[0].gphookfn; |
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// if(gphookfn != NULL) |
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// gphookfn(xnum, csrptr->irqstatus1); |
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// csrptr->irqstatus1 = 0xFFFFFFFF; |
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// return; |
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// } |
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// |
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// if(xnum == GPIO1_INT_A) { |
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// csrptr = (struct gpio_csreg *)(GPIO1_BASE); |
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// gphookfn = gpiotab[1].gphookfn; |
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// if(gphookfn != NULL) |
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// gphookfn(xnum, csrptr->irqstatus0); |
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// csrptr->irqstatus0 = 0xFFFFFFFF; |
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// return; |
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// } |
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// if(xnum == GPIO1_INT_B) { |
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// csrptr = (struct gpio_csreg *)(GPIO1_BASE); |
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// gphookfn = gpiotab[1].gphookfn; |
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// if(gphookfn != NULL) |
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// gphookfn(xnum, csrptr->irqstatus1); |
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// csrptr->irqstatus1 = 0xFFFFFFFF; |
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// return; |
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// } |
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// |
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// if(xnum == GPIO2_INT_A) { |
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// csrptr = (struct gpio_csreg *)(GPIO2_BASE); |
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// gphookfn = gpiotab[2].gphookfn; |
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// if(gphookfn != NULL) |
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// gphookfn(xnum, csrptr->irqstatus0); |
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// csrptr->irqstatus0 = 0xFFFFFFFF; |
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// return; |
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// } |
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// if(xnum == GPIO2_INT_B) { |
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// csrptr = (struct gpio_csreg *)(GPIO2_BASE); |
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// gphookfn = gpiotab[2].gphookfn; |
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// if(gphookfn != NULL) |
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// gphookfn(xnum, csrptr->irqstatus1); |
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// csrptr->irqstatus1 = 0xFFFFFFFF; |
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// return; |
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// } |
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// |
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// if(xnum == GPIO3_INT_A) { |
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// csrptr = (struct gpio_csreg *)(GPIO3_BASE); |
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// gphookfn = gpiotab[3].gphookfn; |
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// if(gphookfn != NULL) |
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// gphookfn(xnum, csrptr->irqstatus0); |
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// csrptr->irqstatus0 = 0xFFFFFFFF; |
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// return; |
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// } |
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// if(xnum == GPIO3_INT_B) { |
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// csrptr = (struct gpio_csreg *)(GPIO3_BASE); |
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// gphookfn = gpiotab[3].gphookfn; |
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// if(gphookfn != NULL) |
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// gphookfn(xnum, csrptr->irqstatus1); |
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// csrptr->irqstatus1 = 0xFFFFFFFF; |
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// return; |
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// } |
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}
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