From 07decdbaa82226c0059c807be042a0593522c9da Mon Sep 17 00:00:00 2001 From: Michael Gernoth Date: Thu, 10 Sep 2015 22:15:23 +0200 Subject: [PATCH] flash-ota: automatically send devices to bootloader --- README.md | 5 ++ flash-ota.c | 191 ++++++++++++++++++++++++++++++++++++++++++---------- 2 files changed, 160 insertions(+), 36 deletions(-) diff --git a/README.md b/README.md index 37744b9..26bf79c 100644 --- a/README.md +++ b/README.md @@ -101,6 +101,11 @@ you should upgrade to at least version 0.101. the new firmware to the device with serial *KEQ0123456*: `./flash-ota -f hm_cc_rt_dn_update_V1_4_001_141020.eq3 -s KEQ0123456 -c /dev/ttyACM0` +**Automatic firmware-updates:** +The options `-C`, `-D` and `-K` can be used to send a device to the +bootloader automatically without manually rebooting the device while +pressing buttons. + [eQ-3]: http://www.eq-3.de/downloads.html [culfw]: http://culfw.de/culfw.html [CUL]: http://busware.de/tiki-index.php?page=CUL diff --git a/flash-ota.c b/flash-ota.c index b9b96cc..99f9487 100644 --- a/flash-ota.c +++ b/flash-ota.c @@ -51,6 +51,8 @@ extern char *optarg; uint32_t hmid = 0; uint32_t my_hmid = 0; +char key[16] = {0}; +uint32_t kNo = 0; /* Maximum payloadlen supported by IO */ uint32_t max_payloadlen = NORMAL_MAX_PAYLOAD; @@ -77,6 +79,7 @@ struct recv_data { uint16_t status; int speed; uint16_t version; + uint8_t credits; }; static int parse_hmcfgusb(uint8_t *buf, int buf_len, void *data) @@ -108,6 +111,7 @@ static int parse_hmcfgusb(uint8_t *buf, int buf_len, void *data) break; case 'H': rdata->version = (buf[11] << 8) | buf[12]; + rdata->credits = buf[36]; my_hmid = (buf[0x1b] << 16) | (buf[0x1c] << 8) | buf[0x1d]; break; default: @@ -218,14 +222,16 @@ int send_hm_message(struct ota_dev *dev, struct recv_data *rdata, uint8_t *msg) while (1) { if (rdata->message_type == MESSAGE_TYPE_R) { - if (((rdata->status & 0xff) == 0x01) || - ((rdata->status & 0xff) == 0x02)) { + if (((rdata->status & 0xdf) == 0x01) || + ((rdata->status & 0xdf) == 0x02)) { break; } else { if ((rdata->status & 0xff00) == 0x0400) { fprintf(stderr, "\nOut of credits!\n"); } else if ((rdata->status & 0xff) == 0x08) { fprintf(stderr, "\nMissing ACK!\n"); + } else if ((rdata->status & 0xff) == 0x30) { + fprintf(stderr, "\nUnknown AES-key requested!\n"); } else { fprintf(stderr, "\nInvalid status: %04x\n", rdata->status); } @@ -339,11 +345,16 @@ void flash_ota_syntax(char *prog) fprintf(stderr, "Mandatory parameters:\n"); fprintf(stderr, "\t-f firmware.eq3\tfirmware file to flash\n"); fprintf(stderr, "\t-s SERIAL\tserial of device to flash\n"); - fprintf(stderr, "\nPossible options:\n"); + fprintf(stderr, "\nOptional parameters:\n"); fprintf(stderr, "\t-c device\tenable CUL-mode with CUL at path \"device\"\n"); fprintf(stderr, "\t-b bps\t\tuse CUL with speed \"bps\" (default: %u)\n", DEFAULT_CUL_BPS); fprintf(stderr, "\t-l\t\tlower payloadlen (required for devices with little RAM, e.g. CUL v2 and CUL v4)\n"); fprintf(stderr, "\t-h\t\tthis help\n"); + fprintf(stderr, "\nOptional parameters for automatically sending device to bootloader\n"); + fprintf(stderr, "\t-C\t\tHMID of central (3 hex-bytes, no prefix, e.g. ABCDEF)\n"); + fprintf(stderr, "\t-D\t\tHMID of device (3 hex-bytes, no prefix, e.g. 123456)\n"); + fprintf(stderr, "\t-K\t\tKNO:KEY AES key-number and key (hex) separated by colon (Fhem hmKey attribute)\n"); + fprintf(stderr, "\t\t\tAES is currently not supported when using a culfw-device!\n"); } int main(int argc, char **argv) @@ -353,6 +364,7 @@ int main(int argc, char **argv) char *fw_file = NULL; char *serial = NULL; char *culfw_dev = NULL; + char *endptr = NULL; unsigned int bps = DEFAULT_CUL_BPS; struct ota_dev dev; struct recv_data rdata; @@ -372,7 +384,7 @@ int main(int argc, char **argv) printf("HomeMatic OTA flasher version " VERSION "\n\n"); - while((opt = getopt(argc, argv, "b:c:f:hls:")) != -1) { + while((opt = getopt(argc, argv, "b:c:f:hls:C:D:K:")) != -1) { switch (opt) { case 'b': bps = atoi(optarg); @@ -390,6 +402,42 @@ int main(int argc, char **argv) case 's': serial = optarg; break; + case 'C': + my_hmid = strtoul(optarg, &endptr, 16); + if (*endptr != '\0') { + fprintf(stderr, "Invalid central HMID!\n\n"); + flash_ota_syntax(argv[0]); + exit(EXIT_FAILURE); + } + break; + case 'D': + hmid = strtoul(optarg, &endptr, 16); + if (*endptr != '\0') { + fprintf(stderr, "Invalid device HMID!\n\n"); + flash_ota_syntax(argv[0]); + exit(EXIT_FAILURE); + } + break; + case 'K': + kNo = strtoul(optarg, &endptr, 10); + if (*endptr != ':') { + fprintf(stderr, "Invalid key number!\n\n"); + flash_ota_syntax(argv[0]); + exit(EXIT_FAILURE); + } + endptr++; + for (cnt = 0; cnt < 16; cnt++) { + if (*endptr == '\0' || *(endptr+1) == '\0' || + !validate_nibble(*endptr) || + !validate_nibble(*(endptr+1))) { + fprintf(stderr, "Invalid key!\n\n"); + flash_ota_syntax(argv[0]); + exit(EXIT_FAILURE); + } + key[cnt] = ascii_to_nibble(*endptr) << 4 | ascii_to_nibble(*(endptr+1)); + endptr += 2; + } + break; case 'h': case ':': case '?': @@ -414,6 +462,12 @@ int main(int argc, char **argv) memset(&dev, 0, sizeof(struct ota_dev)); if (culfw_dev) { + if (kNo) { + fprintf(stderr, "\nAES currently not supported with culfw-device!\n"); + flash_ota_syntax(argv[0]); + exit(EXIT_FAILURE); + } + printf("Opening culfw-device at path %s with speed %u\n", culfw_dev, bps); dev.culfw = culfw_init(culfw_dev, bps, parse_culfw, &rdata); if (!dev.culfw) { @@ -450,6 +504,8 @@ int main(int argc, char **argv) exit(EXIT_FAILURE); } } else { + uint32_t new_hmid = my_hmid; + hmcfgusb_set_debug(debug); dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata); @@ -459,37 +515,6 @@ int main(int argc, char **argv) } dev.type = DEVICE_TYPE_HMCFGUSB; - printf("\nRebooting HM-CFG-USB to avoid running out of credits\n\n"); - - if (!dev.hmcfgusb->bootloader) { - printf("HM-CFG-USB not in bootloader mode, entering bootloader.\n"); - printf("Waiting for device to reappear...\n"); - - do { - if (dev.hmcfgusb) { - if (!dev.hmcfgusb->bootloader) - hmcfgusb_enter_bootloader(dev.hmcfgusb); - hmcfgusb_close(dev.hmcfgusb); - } - sleep(1); - } while (((dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata)) == NULL) || (!dev.hmcfgusb->bootloader)); - } - - if (dev.hmcfgusb->bootloader) { - printf("HM-CFG-USB in bootloader mode, rebooting\n"); - - do { - if (dev.hmcfgusb) { - if (dev.hmcfgusb->bootloader) - hmcfgusb_leave_bootloader(dev.hmcfgusb); - hmcfgusb_close(dev.hmcfgusb); - } - sleep(1); - } while (((dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata)) == NULL) || (dev.hmcfgusb->bootloader)); - } - - printf("\n\nHM-CFG-USB opened\n\n"); - memset(out, 0, sizeof(out)); out[0] = 'K'; hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1); @@ -512,7 +537,80 @@ int main(int argc, char **argv) exit(EXIT_FAILURE); } - printf("HM-CFG-USB firmware version: %u\n", rdata.version); + printf("HM-CFG-USB firmware version: %u, used credits: %u%%\n", rdata.version, rdata.credits); + + if (rdata.credits >= 40) { + printf("\nRebooting HM-CFG-USB to avoid running out of credits\n\n"); + + if (!dev.hmcfgusb->bootloader) { + printf("HM-CFG-USB not in bootloader mode, entering bootloader.\n"); + printf("Waiting for device to reappear...\n"); + + do { + if (dev.hmcfgusb) { + if (!dev.hmcfgusb->bootloader) + hmcfgusb_enter_bootloader(dev.hmcfgusb); + hmcfgusb_close(dev.hmcfgusb); + } + sleep(1); + } while (((dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata)) == NULL) || (!dev.hmcfgusb->bootloader)); + } + + if (dev.hmcfgusb->bootloader) { + printf("HM-CFG-USB in bootloader mode, rebooting\n"); + + do { + if (dev.hmcfgusb) { + if (dev.hmcfgusb->bootloader) + hmcfgusb_leave_bootloader(dev.hmcfgusb); + hmcfgusb_close(dev.hmcfgusb); + } + sleep(1); + } while (((dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata)) == NULL) || (dev.hmcfgusb->bootloader)); + } + } + + printf("\n\nHM-CFG-USB opened\n\n"); + + if (new_hmid && (my_hmid != new_hmid)) { + printf("Changing hmid from %06x to %06x\n", my_hmid, new_hmid); + + memset(out, 0, sizeof(out)); + out[0] = 'A'; + out[1] = (new_hmid >> 16) & 0xff; + out[2] = (new_hmid >> 8) & 0xff; + out[3] = new_hmid & 0xff; + + hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1); + + my_hmid = new_hmid; + } + + if (kNo) { + printf("Setting AES-key\n"); + + memset(out, 0, sizeof(out)); + out[0] = 'Y'; + out[1] = 0x01; + out[2] = kNo; + out[3] = sizeof(key); + memcpy(&(out[4]), key, sizeof(key)); + hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1); + + memset(out, 0, sizeof(out)); + out[0] = 'Y'; + out[1] = 0x02; + out[2] = 0x00; + out[3] = 0x00; + hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1); + + memset(out, 0, sizeof(out)); + out[0] = 'Y'; + out[1] = 0x03; + out[2] = 0x00; + out[3] = 0x00; + hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1); + } } if (!switch_speed(&dev, &rdata, 10)) { @@ -520,6 +618,27 @@ int main(int argc, char **argv) exit(EXIT_FAILURE); } + if (hmid && my_hmid) { + printf("Sending device with hmid %06x to bootloader\n", hmid); + out[MSGID] = msgid++; + out[CTL] = 0x30; + out[TYPE] = 0x11; + SET_SRC(out, my_hmid); + SET_DST(out, hmid); + out[PAYLOAD] = 0xCA; + SET_LEN_FROM_PAYLOADLEN(out, 1); + + cnt = 3; + do { + if (send_hm_message(&dev, &rdata, out)) { + break; + } + } while (cnt--); + if (cnt == -1) { + printf("Failed to send device to bootloader, please enter bootloader manually.\n"); + } + } + printf("Waiting for device with serial %s\n", serial); while (1) { -- 2.39.2