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40b41d296c
So far, I've been using this tool on remotes that had no control character handling, but it doesn't work on a TRS-80 4P remote. Much slower, but at least it works. Later, I'll try to put some order in this so that we use the fast lane when possible.
85 lines
2.3 KiB
C
85 lines
2.3 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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sendcmdp(fd, ": K KEY DUP EMIT ;");
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// P: parse digit. We assume '0-9' or 'a-f' range and return a 0-15 value.
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sendcmdp(fd, ": P DUP '0' '9' =><= IF '0' ELSE 0x57 THEN - ;");
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// R: receive hex pairs. we receive values in hex pairs, re-emit them upon
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// reception, and then write them to memory.
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sprintf(s,
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": R %d %d DO K P 16 * K P OR I C! LOOP ; R",
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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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unsigned char c1, c2;
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c1 = s[0];
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sprintf(s, "%02x", c1);
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for (int i=0; i<2; i++) {
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c1 = s[i];
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write(fd, &c1, 1);
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usleep(1000); // let it breathe
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mread(fd, &c2, 1); // read ping back
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if (c1 != 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, c1, 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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}
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putc('.', stderr);
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fflush(stderr);
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}
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readprompt(fd);
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sendcmdp(fd, "FORGET K");
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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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