77 lines
2 KiB
C
77 lines
2 KiB
C
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#include <stdio.h>
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#include <stdint.h>
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#include <malloc.h>
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#include <string.h>
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#include <assert.h>
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#include "transpose.h"
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void rxbuf_dump(struct data_format *rx) {
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fprintf(stdout, "\033[38;5;244m high | low\n");
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fprintf(stdout, " a b c d e f g . | a b c d e f g .\033[0m\n");
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for (int i=0; i<32; i++) {
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for (int j=0; j<8; j++)
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fprintf(stdout, "%02x ", rx[i].high[j]);
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fprintf(stdout, "\033[38;5;244m|\033[0m");
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for (int j=0; j<8; j++)
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fprintf(stdout, " %1x", (rx[i].low>>(2*j))&0x3);
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fprintf(stdout, "\n");
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}
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}
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void fb_dump(struct framebuf *fb) {
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fprintf(stdout, "\033[38;5;244mbit | ");
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for (int i=0; i<8; i++)
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fprintf(stdout, " %d ", i);
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fprintf(stdout, "\033[0m\n");
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for (int i=0; i<10; i++) {
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fprintf(stdout, " %2d |", i);
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for (int j=0; j<8; j++)
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fprintf(stdout, " %08x", fb->frame[i].data[j]);
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fprintf(stdout, "\n");
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}
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}
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int main(int argc, char **argv) {
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FILE *randf = fopen("/dev/urandom", "r");
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if (!randf)
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return 2;
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struct framebuf *fb = malloc(sizeof(struct framebuf));
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if (!fb)
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return 2;
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assert(sizeof(*fb) == 32*sizeof(struct data_format)+4);
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uint8_t *rxbuf1 = malloc(sizeof(*fb));
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if (!rxbuf1)
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return 2;
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if (fread(rxbuf1, 1, sizeof(*fb), randf) != sizeof(*fb))
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return 2;
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uint8_t *rxbuf2 = malloc(sizeof(*fb));
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if (!rxbuf2)
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return 2;
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memcpy(rxbuf2, rxbuf1, sizeof(*fb));
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memset((void *)fb, 0, sizeof(*fb));
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transpose_data(rxbuf1, fb);
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untranspose_data(fb, rxbuf1);
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assert(!memcmp(rxbuf1, rxbuf2, sizeof(fb)));
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fprintf(stdout, "\n\033[93mDUMP of ORIGINAL\033[0m\n");
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rxbuf_dump((struct data_format *)rxbuf2);
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fprintf(stdout, "\n\033[93mDUMP of FRAME BUFFER\033[0m\n");
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fb_dump(fb);
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fprintf(stdout, "\n\033[93mDUMP of RESULT\033[0m\n");
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rxbuf_dump((struct data_format *)rxbuf1);
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fprintf(stderr, "PASS");
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return 0;
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}
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