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collapseos/tools/upload.c
2020-04-13 14:41:02 -04:00

77 lines
2.0 KiB
C

#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include "common.h"
/* Push specified file to specified device running Forth and verify
* that the sent contents is correct.
*/
int main(int argc, char **argv)
{
if (argc != 4) {
fprintf(stderr, "Usage: ./upload device memptr fname\n");
return 1;
}
unsigned int memptr = strtol(argv[2], NULL, 16);
FILE *fp = fopen(argv[3], "r");
if (!fp) {
fprintf(stderr, "Can't open %s.\n", argv[3]);
return 1;
}
fseek(fp, 0, SEEK_END);
unsigned int bytecount = ftell(fp);
fprintf(stderr, "memptr: 0x%04x bytecount: 0x%04x.\n", memptr, bytecount);
if (!bytecount) {
// Nothing to read
fclose(fp);
return 0;
}
if (memptr+bytecount > 0xffff) {
fprintf(stderr, "memptr+bytecount out of range.\n");
fclose(fp);
return 1;
}
rewind(fp);
int fd = open(argv[1], O_RDWR|O_NOCTTY|O_SYNC);
if (fd < 0) {
fprintf(stderr, "Could not open %s\n", argv[1]);
return 1;
}
set_interface_attribs(fd, 0, 0);
set_blocking(fd, 1);
char s[0x40];
sprintf(s,
": _ 0x%04x 0x%04x DO KEY DUP .x I A! LOOP ; _",
memptr+bytecount, memptr);
sendcmd(fd, s);
int returncode = 0;
while (fread(s, 1, 1, fp)) {
putchar('.');
fflush(stdout);
unsigned char c = s[0];
write(fd, &c, 1);
usleep(1000); // let it breathe
mread(fd, s, 2); // read hex pair
s[2] = 0; // null terminate
unsigned char c2 = strtol(s, NULL, 16);
if (c != c2) {
// mismatch!
unsigned int pos = ftell(fp);
fprintf(stderr, "Mismatch at byte %d! %d != %d.\n", pos, c, c2);
// we don't exit now because we need to "consume" our whole program.
returncode = 1;
}
usleep(1000); // let it breathe
}
mread(fd, s, 2); // "> " prompt
sendcmdp(fd, "FORGET _");
printf("Done!\n");
fclose(fp);
return returncode;
}