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c2b507eaff
So far, I hadn't managed to run those tools properly on OpenBSD. I was too confused by its stty peculiarities. I'm still confused, but at least I managed to make them work... most of the time...
78 lines
2.0 KiB
C
78 lines
2.0 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include "common.h"
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/* Push specified file to specified device running Forth and verify
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* that the sent contents is correct.
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*/
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int main(int argc, char **argv)
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{
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if (argc != 4) {
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fprintf(stderr, "Usage: ./upload device memptr fname\n");
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return 1;
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}
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unsigned int memptr = strtol(argv[2], NULL, 16);
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FILE *fp = fopen(argv[3], "r");
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if (!fp) {
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fprintf(stderr, "Can't open %s.\n", argv[3]);
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return 1;
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}
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fseek(fp, 0, SEEK_END);
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unsigned int bytecount = ftell(fp);
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fprintf(stderr, "memptr: 0x%04x bytecount: 0x%04x.\n", memptr, bytecount);
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if (!bytecount) {
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// Nothing to read
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fclose(fp);
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return 0;
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}
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if (memptr+bytecount > 0xffff) {
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fprintf(stderr, "memptr+bytecount out of range.\n");
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fclose(fp);
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return 1;
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}
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rewind(fp);
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int fd = ttyopen(argv[1]);
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if (fd < 0) {
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fprintf(stderr, "Could not open %s\n", argv[1]);
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return 1;
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}
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char s[0x40];
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sprintf(s,
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": _ 0x%04x 0x%04x DO KEY DUP .x I C! LOOP ; _",
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memptr+bytecount, memptr);
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sendcmd(fd, s);
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int returncode = 0;
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while (fread(s, 1, 1, fp)) {
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putc('.', stderr);
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fflush(stderr);
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unsigned char c = s[0];
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write(fd, &c, 1);
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usleep(1000); // let it breathe
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mread(fd, s, 2); // read hex pair
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s[2] = 0; // null terminate
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unsigned char c2 = strtol(s, NULL, 16);
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if (c != c2) {
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// mismatch!
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unsigned int pos = ftell(fp);
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fprintf(stderr, "Mismatch at byte %d! %d != %d.\n", pos, c, c2);
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// we don't exit now because we need to "consume" our whole program.
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returncode = 1;
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}
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usleep(1000); // let it breathe
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}
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readprompt(fd);
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sendcmdp(fd, "FORGET _");
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fprintf(stderr, "Done!\n");
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fclose(fp);
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if (fd > 0) {
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close(fd);
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}
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return returncode;
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}
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