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7dc00179f7
By default, it changes nothing, but it allows interesting setups, such as using AT28! for directly uploading to EEPROM. I've also updated the EEPROM recipe to upload directly to 0x2000. I'm not sure what has changed, but it's working fine now.
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 A! 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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