43 lines
843 B
C
43 lines
843 B
C
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#include <stdio.h>
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#include "dataflow.h"
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void print_isd_info(unsigned int baseaddr)
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{
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volatile unsigned int *regs;
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int neps;
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int nbytes;
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int i, j;
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int offset;
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unsigned int ack_count, nack_count, cur_status;
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regs = (unsigned int *)baseaddr;
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if((regs[0] != 0x6a) || (regs[1] != 0xb4)) {
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printf("Incorrect magic number\n");
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return;
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}
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neps = regs[2];
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nbytes = (regs[3] + 7)/8;
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// regs[4] is reset
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offset = 5;
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for(i=0;i<neps;i++) {
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ack_count = 0;
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for(j=0;j<nbytes;j++) {
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ack_count <<= 8;
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ack_count |= regs[offset++];
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}
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nack_count = 0;
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for(j=0;j<nbytes;j++) {
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nack_count <<= 8;
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nack_count |= regs[offset++];
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}
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cur_status = regs[offset++];
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printf("#%d: ACK_CNT:%10u NAK_CNT:%10u %s %s\n",
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i, ack_count, nack_count,
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cur_status & 1 ? "stb" : " ",
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cur_status & 2 ? "ack" : " ");
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}
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}
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