-/* (not working) flasher for HM-CFG-USB
+/* flasher for HM-CFG-USB
*
- * Copyright (c) 2013 Michael Gernoth <michael@gernoth.net>
+ * Copyright (c) 2013-20 Michael Gernoth <michael@gernoth.net>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
#include <libusb-1.0/libusb.h>
#include "hexdump.h"
+#include "firmware.h"
+#include "version.h"
#include "hmcfgusb.h"
struct recv_data {
return 1;
}
-static uint8_t ascii_to_nibble(uint8_t a)
+void flash_hmcfgusb_syntax(char *prog)
{
- uint8_t c = 0x00;
-
- if ((a >= '0') && (a <= '9')) {
- c = a - '0';
- } else if ((a >= 'A') && (a <= 'F')) {
- c = (a - 'A') + 10;
- } else if ((a >= 'a') && (a <= 'f')) {
- c = (a - 'a') + 10;
- }
+ fprintf(stderr, "Syntax: %s [options] filename.enc\n\n", prog);
+ fprintf(stderr, "Possible options:\n");
+ fprintf(stderr, "\t-S serial\tuse HM-CFG-USB with given serial\n");
+ fprintf(stderr, "\t-V\t\tshow version (" VERSION ")\n");
- return c;
}
int main(int argc, char **argv)
{
+ const char twiddlie[] = { '-', '\\', '|', '/' };
struct hmcfgusb_dev *dev;
struct recv_data rdata;
- uint8_t out[4096];
- uint8_t buf[4096];
- uint8_t *outp;
- int fd;
+ uint16_t len;
+ struct firmware *fw;
+ char *serial = NULL;
+ char *filename = NULL;
+ int block;
int pfd;
- int r;
- int i;
- int cnt;
- int pkt;
+ int opt;
int debug = 0;
- hmcfgusb_set_debug(debug);
+ while((opt = getopt(argc, argv, "S:V")) != -1) {
+ switch (opt) {
+ case 'S':
+ serial = optarg;
+ break;
+ case 'V':
+ printf("flash-hmcfgusb " VERSION "\n");
+ printf("Copyright (c) 2013-16 Michael Gernoth\n\n");
+ exit(EXIT_SUCCESS);
+ case 'h':
+ case ':':
+ case '?':
+ default:
+ flash_hmcfgusb_syntax(argv[0]);
+ exit(EXIT_FAILURE);
+ break;
+ }
+ }
- memset(&rdata, 0, sizeof(rdata));
+ if (optind == argc - 1) {
+ filename = argv[optind];
+ }
+
+ printf("HM-CFG-USB flasher version " VERSION "\n\n");
- fd = open("hmusbif.enc", O_RDONLY);
- if (fd < 0) {
- perror("Can't open hmusbif.enc");
+ if (!filename) {
+ fprintf(stderr, "Missing firmware filename!\n\n");
+ flash_hmcfgusb_syntax(argv[0]);
exit(EXIT_FAILURE);
}
- dev = hmcfgusb_init(parse_hmcfgusb, &rdata);
+ fw = firmware_read_firmware(filename, ATMEGA_UNKNOWN, debug);
+ if (!fw)
+ exit(EXIT_FAILURE);
+
+ hmcfgusb_set_debug(debug);
+
+ memset(&rdata, 0, sizeof(rdata));
+
+ dev = hmcfgusb_init(parse_hmcfgusb, &rdata, serial);
if (!dev) {
fprintf(stderr, "Can't initialize HM-CFG-USB\n");
exit(EXIT_FAILURE);
}
if (!dev->bootloader) {
- fprintf(stderr, "HM-CFG-USB not in bootloader mode, entering bootloader.\n");
- hmcfgusb_enter_bootloader(dev);
+ fprintf(stderr, "\nHM-CFG-USB not in bootloader mode, entering bootloader.\n");
fprintf(stderr, "\nWaiting for device to reappear...\n");
do {
+ if (dev) {
+ if (!dev->bootloader)
+ hmcfgusb_enter_bootloader(dev);
+ hmcfgusb_close(dev);
+ }
sleep(1);
- } while ((dev = hmcfgusb_init(parse_hmcfgusb, &rdata)) == NULL);
-
- if (!dev->bootloader) {
- fprintf(stderr, "Can't enter bootloader, giving up!\n");
- exit(EXIT_FAILURE);
- }
+ } while (((dev = hmcfgusb_init(parse_hmcfgusb, &rdata, serial)) == NULL) || (!dev->bootloader));
}
- printf("HM-CFG-USB opened!\n");
+ printf("\nHM-CFG-USB opened.\n\n");
- cnt = 0;
- pkt = 0;
- do {
- int len;
- memset(buf, 0, sizeof(buf));
- r = read(fd, buf, 4);
- if (r < 0) {
- perror("read");
- exit(EXIT_FAILURE);
- } else if (r == 0) {
- break;
- } else if (r != 4) {
- printf("can't get length information!\n");
- exit(EXIT_FAILURE);
- }
+ printf("Flashing %d blocks", fw->fw_blocks);
+ if (debug) {
+ printf("\n");
+ } else {
+ printf(": %c", twiddlie[0]);
+ fflush(stdout);
+ }
- len = (ascii_to_nibble(buf[0]) & 0xf)<< 4;
- len |= ascii_to_nibble(buf[1]) & 0xf;
- len <<= 8;
- len |= (ascii_to_nibble(buf[2]) & 0xf)<< 4;
- len |= ascii_to_nibble(buf[3]) & 0xf;
+ for (block = 0; block < fw->fw_blocks; block++) {
+ len = fw->fw[block][2] << 8;
+ len |= fw->fw[block][3];
- r = read(fd, buf, len * 2);
- if (r < 0) {
- perror("read");
- exit(EXIT_FAILURE);
- } else if (r < len * 2) {
- printf("short read, aborting (%d < %d)\n", r, len * 2);
- break;
- }
+ len += 4; /* block nr., length */
- memset(out, 0, sizeof(out));
- outp = out;
- *outp++ = (pkt >> 8) & 0xff;
- *outp++ = pkt & 0xff;
- *outp++ = (len >> 8) & 0xff;
- *outp++ = len & 0xff;
- for (i = 0; i < r; i+=2) {
- *outp = (ascii_to_nibble(buf[i]) & 0xf)<< 4;
- *outp |= ascii_to_nibble(buf[i+1]) & 0xf;
- outp++;
- }
- cnt = outp - out;
- printf("Flashing %d bytes...\n", cnt);
if (debug)
- hexdump(out, cnt, "F> ");
+ hexdump(fw->fw[block], len, "F> ");
rdata.ack = 0;
- if (!hmcfgusb_send(dev, out, cnt, 0)) {
- perror("hmcfgusb_send");
+ if (!hmcfgusb_send(dev, fw->fw[block], len, 0)) {
+ perror("\n\nhmcfgusb_send");
exit(EXIT_FAILURE);
}
- printf("Waiting for ack...\n");
+ if (debug)
+ printf("Waiting for ack...\n");
do {
errno = 0;
- pfd = hmcfgusb_poll(dev, 1);
+ pfd = hmcfgusb_poll(dev, 1000);
if ((pfd < 0) && errno) {
- perror("hmcfgusb_poll");
- exit(EXIT_FAILURE);
+ if (errno != ETIMEDOUT) {
+ perror("\n\nhmcfgusb_poll");
+ exit(EXIT_FAILURE);
+ }
}
if (rdata.ack) {
break;
} while (pfd < 0);
if (rdata.ack == 2) {
- printf("Firmware update successfull!\n");
+ printf("\n\nFirmware update successfull!\n");
break;
}
- pkt++;
- } while (r > 0);
+
+ if (rdata.ack != 1) {
+ fprintf(stderr, "\n\nError flashing block %d, status: %u\n", block, rdata.ack);
+ exit(EXIT_FAILURE);
+ }
+
+ if (!debug) {
+ printf("\b%c", twiddlie[block % sizeof(twiddlie)]);
+ fflush(stdout);
+ }
+ }
+
+ firmware_free(fw);
hmcfgusb_close(dev);
+ hmcfgusb_exit();
return EXIT_SUCCESS;
}
projects / hmcfgusb / blobdiff