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[/] [or1k/] [tags/] [rel-0-3-0-rc3/] [or1ksim/] [testbench/] [kbdtest.c] - Rev 971
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/* Simple keyboard test. Outputs scan codes. */ #include "support.h" #include "spr_defs.h" #include "board.h" /* Whether this test should be run in interactive mode; scan codes are not check against real ones */ #define INTERACTIVE 0 /* fails if x is false */ #define ASSERT(x) ((x)?1: fail (__FUNCTION__, __LINE__)) /* Waits a few cycles that uart can prepare its data */ #define WAIT() {asm ("l.nop");asm ("l.nop");asm ("l.nop");asm ("l.nop");} #define MARK() printf ("Passed line %i\n", __LINE__) #ifndef __LINE__ #define __LINE__ 0 #endif #if !INTERACTIVE static const unsigned char incoming_scan[] = { 0x2a, 0x14, 0x94, 0xaa, 0x12, 0x92, 0x04, 0x84, 0x2a, 0x0d, 0x8d, 0xaa, 0x0d, 0x8d, 0x0c, 0x8c, 0x2a, 0x33, 0xb3, 0xaa, 0x35, 0xb5, 0x34, 0xb4, 0x2b, 0xab, 0x2a, 0x2b, 0xab, 0xaa, 0x2a, 0x28, 0xa8, 0xaa, 0x28, 0xa8, 0x29, 0xa9, 0x2a, 0x1b, 0x9b, 0xaa, 0x1b, 0x9b, 0x0f, 0x8f, 0x39, 0xb9, 0x2a, 0x02, 0x82, 0xaa, 0x2a, 0x06, 0x86, 0xaa, 0x2a, 0x07, 0x87, 0xaa, 0x2a, 0x08, 0x88, 0xaa, 0x2a, 0x0b, 0x8b, 0xaa, 0x2a, 0x09, 0x89, 0xaa, 0x1c, 0x9c, 0x39, 0xb9, 0x00}; static int current_scan = 0; #endif static volatile int done; void fail (char *func, int line) { #ifndef __FUNCTION__ #define __FUNCTION__ "?" #endif printf ("Test failed in %s:%i\n", func, line); report(0xeeeeeeee); exit (1); } inline void setreg (unsigned long addr, unsigned char value) { *((volatile unsigned char *)addr) = value; } inline unsigned long getreg (unsigned long addr) { return *((volatile unsigned char *)addr); } void interrupt_handler () { unsigned x; printf ("Int\n"); do { x = getreg (KBD_BASE_ADD); if (x) printf ("0x%02x, ", x); report(x); if (x == 1) done = 1; #if !INTERACTIVE printf ("expecting (0x%02x), ", incoming_scan[current_scan]); if (x) { ASSERT (incoming_scan[current_scan++] == x); } if ((current_scan + 1) >= sizeof (incoming_scan) / sizeof (char)) done = 1; #endif } while (x); printf ("%i", done); mtspr(SPR_PICSR, 0); } int main () { /* Use our low priority interrupt handler */ excpt_int = (unsigned long)interrupt_handler; printf ("Reading from keyboard.\n"); printf ("Enabling interrupts.\n"); done = 0; /* Enable interrupts */ mtspr (SPR_SR, mfspr(SPR_SR) | SPR_SR_IEE); mtspr (SPR_PICMR, mfspr(SPR_PICMR) | (0x00000001L << KBD_IRQ)); while (!done) printf ("[%i]", done); report (0xdeaddead); return 0; }
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