48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
#include <stdio.h>
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#include "altera_avalon_sem_regs.h"
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#include "alt_types.h"
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#include "system.h"
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#define TIME_SETS 4
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#define TIME_STATES 4
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const alt_u32 divisors[TIME_SETS][TIME_STATES] = {
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{0x00000010, 0x00000010, 0x00000005, 0x00000010},
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{0x00000010, 0x00000020, 0x00000010, 0x00000010},
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{0x000000f1, 0x000000f1, 0x000000f1, 0x00000011},
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{0x000000d1, 0x000000f1, 0x000000f1, 0x00000011}
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};
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int main()
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{
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int i,j;
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volatile alt_u32 *p;
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alt_u32 tmp;
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//program divisors
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p = (alt_u32*) SEM_RAM_SLAVE_BASE;
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for (i = 0; i < TIME_SETS; i++) {
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tmp = 0;
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for (j = TIME_STATES; j > 0; j--) {
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tmp = (tmp << 32) | divisors[i][j - 1];
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}
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*p = tmp;
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p++;
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}
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//since we use pointers (cached data access) to write divisor RAM,
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//and not direct i/o access with IOWR, we need to flush cache
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alt_dcache_flush();
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//select timeset and run semafor
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IOWR_ALTERA_AVALON_SEM_DIVSET(SEM_CTL_SLAVE_BASE,0x00);
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IOWR_ALTERA_AVALON_SEM_CTL(SEM_CTL_SLAVE_BASE,0x01);
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printf("Ready\n");
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while (1)
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{
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;
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}
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return 0;
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}
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