+/* flasher for HomeMatic-devices supporting OTA updates
+ *
+ * Copyright (c) 2014 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
+ * deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <string.h>
+#include <strings.h>
+#include <poll.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/time.h>
+#include <libusb-1.0/libusb.h>
+
+#include "hexdump.h"
+#include "firmware.h"
+#include "hm.h"
+#include "version.h"
+#include "hmcfgusb.h"
+
+uint32_t hmid = 0;
+
+enum message_type {
+ MESSAGE_TYPE_E,
+ MESSAGE_TYPE_R,
+};
+
+struct recv_data {
+ uint8_t message[64];
+ enum message_type message_type;
+ uint16_t status;
+ int speed;
+};
+
+static int parse_hmcfgusb(uint8_t *buf, int buf_len, void *data)
+{
+ struct recv_data *rdata = data;
+
+ if (buf_len < 1)
+ return 1;
+
+ switch (buf[0]) {
+ case 'E':
+ if ((!hmid) ||
+ ((buf[0x11] == ((hmid >> 16) & 0xff)) &&
+ (buf[0x12] == ((hmid >> 8) & 0xff)) &&
+ (buf[0x13] == (hmid & 0xff)))) {
+ memset(rdata->message, 0, sizeof(rdata->message));
+ memcpy(rdata->message, buf + 0x0d, buf[0x0d] + 1);
+ rdata->message_type = MESSAGE_TYPE_E;
+ }
+ break;
+ case 'R':
+ memset(rdata->message, 0, sizeof(rdata->message));
+ memcpy(rdata->message, buf + 0x0e, buf[0x0e] + 1);
+ rdata->status = (buf[5] << 8) | buf[6];
+ rdata->message_type = MESSAGE_TYPE_R;
+ break;
+ case 'G':
+ rdata->speed = buf[1];
+ break;
+ default:
+ break;
+ }
+
+ if (buf_len != 1)
+ return 1;
+
+ return 1;
+}
+
+int send_hm_message(struct hmcfgusb_dev *dev, struct recv_data *rdata, uint8_t *msg)
+{
+ static uint32_t id = 1;
+ struct timeval tv;
+ uint8_t out[0x40];
+ int pfd;
+
+ if (gettimeofday(&tv, NULL) == -1) {
+ perror("gettimeofay");
+ return 0;
+ }
+
+ memset(out, 0, sizeof(out));
+
+ out[0] = 'S';
+ out[1] = (id >> 24) & 0xff;
+ out[2] = (id >> 16) & 0xff;
+ out[3] = (id >> 8) & 0xff;
+ out[4] = id & 0xff;
+ out[10] = 0x01;
+ out[11] = (tv.tv_usec >> 24) & 0xff;
+ out[12] = (tv.tv_usec >> 16) & 0xff;
+ out[13] = (tv.tv_usec >> 8) & 0xff;
+ out[14] = tv.tv_usec & 0xff;
+
+
+ memcpy(&out[0x0f], msg, msg[0] + 1);
+
+ memset(rdata, 0, sizeof(struct recv_data));
+ hmcfgusb_send(dev, out, sizeof(out), 2);
+
+ while (1) {
+ if (rdata->message_type == MESSAGE_TYPE_R) {
+ if (((rdata->status & 0xff) == 0x01) ||
+ ((rdata->status & 0xff) == 0x02)) {
+ break;
+ } else {
+ fprintf(stderr, "\n\nInvalid status: %04x\n\n", rdata->status);
+ return 0;
+ }
+ }
+ errno = 0;
+ pfd = hmcfgusb_poll(dev, 1);
+ if ((pfd < 0) && errno) {
+ if (errno != ETIMEDOUT) {
+ perror("\n\nhmcfgusb_poll");
+ exit(EXIT_FAILURE);
+ }
+ }
+ }
+
+ id++;
+ return 1;
+}
+
+int main(int argc, char **argv)
+{
+ const char twiddlie[] = { '-', '\\', '|', '/' };
+ const uint8_t switch_msg[] = { 0x10, 0x5B, 0x11, 0xF8, 0x15, 0x47 };
+ struct hmcfgusb_dev *dev;
+ struct recv_data rdata;
+ uint8_t out[0x40];
+ uint8_t *pos;
+ uint8_t msgid = 0x1;
+ uint16_t len;
+ struct firmware *fw;
+ int block;
+ int pfd;
+ int debug = 0;
+ int cnt;
+ int msgnum = 0;
+ int switched = 0;
+
+ printf("HomeMatic OTA flasher version " VERSION "\n\n");
+
+ if (argc != 3) {
+ if (argc == 1)
+ fprintf(stderr, "Missing firmware filename!\n\n");
+
+ if (argc == 2)
+ fprintf(stderr, "Missing serial!\n\n");
+
+ fprintf(stderr, "Syntax: %s firmware.eq3 SERIALNUMBER\n\n", argv[0]);
+ exit(EXIT_FAILURE);
+ }
+
+ fw = firmware_read_firmware(argv[1], debug);
+ if (!fw)
+ exit(EXIT_FAILURE);
+
+ hmcfgusb_set_debug(debug);
+
+ memset(&rdata, 0, sizeof(rdata));
+
+ dev = hmcfgusb_init(parse_hmcfgusb, &rdata);
+ if (!dev) {
+ fprintf(stderr, "Can't initialize HM-CFG-USB\n");
+ exit(EXIT_FAILURE);
+ }
+
+ if (dev->bootloader) {
+ fprintf(stderr, "\nHM-CFG-USB not in bootloader mode, aborting!\n");
+ exit(EXIT_FAILURE);
+ }
+
+ printf("\nHM-CFG-USB opened\n\n");
+
+ printf("Entering 10k-mode\n");
+
+ memset(out, 0, sizeof(out));
+ out[0] = 'G';
+ out[1] = 10;
+ hmcfgusb_send(dev, out, sizeof(out), 1);
+
+ while (1) {
+ errno = 0;
+ pfd = hmcfgusb_poll(dev, 1);
+ if ((pfd < 0) && errno) {
+ if (errno != ETIMEDOUT) {
+ perror("\n\nhmcfgusb_poll");
+ exit(EXIT_FAILURE);
+ }
+ }
+ if (rdata.speed == 10)
+ break;
+ }
+
+ printf("Waiting for device with serial %s\n", argv[2]);
+
+ while (1) {
+ errno = 0;
+ pfd = hmcfgusb_poll(dev, 1);
+ if ((pfd < 0) && errno) {
+ if (errno != ETIMEDOUT) {
+ perror("\n\nhmcfgusb_poll");
+ exit(EXIT_FAILURE);
+ }
+ }
+
+ if ((rdata.message[LEN] == 0x14) && /* Length */
+ (rdata.message[MSGID] == 0x00) && /* Message ID */
+ (rdata.message[CTL] == 0x00) && /* Control Byte */
+ (rdata.message[TYPE] == 0x10) && /* Messagte type: Information */
+ (DST(rdata.message) == 0x000000) && /* Broadcast */
+ (rdata.message[PAYLOAD] == 0x00) && /* FUP? */
+ (rdata.message[PAYLOAD+2] == 'E') &&
+ (rdata.message[PAYLOAD+3] == 'Q')) {
+ if (!strncmp((char*)&(rdata.message[0x0b]), argv[2], 10)) {
+ hmid = SRC(rdata.message);
+ break;
+ }
+ }
+ }
+
+ printf("Device with serial %s (hmid: %06x) entered firmware-update-mode\n", argv[2], hmid);
+
+ printf("Adding HMID\n");
+
+ memset(out, 0, sizeof(out));
+ out[0] = '+';
+ out[1] = (hmid >> 16) & 0xff;
+ out[2] = (hmid >> 8) & 0xff;
+ out[3] = hmid & 0xff;
+
+ hmcfgusb_send(dev, out, sizeof(out), 2);
+
+ do {
+ printf("Initiating remote switch to 100k\n");
+
+ memset(out, 0, sizeof(out));
+
+ out[MSGID] = msgid++;
+ out[CTL] = 0x00;
+ out[TYPE] = 0xCB;
+ SET_SRC(out, 0x000000);
+ SET_DST(out, hmid);
+
+ memcpy(&out[PAYLOAD], switch_msg, sizeof(switch_msg));
+ SET_LEN_FROM_PAYLOADLEN(out, sizeof(switch_msg));
+
+ if (!send_hm_message(dev, &rdata, out)) {
+ exit(EXIT_FAILURE);
+ }
+
+ printf("Entering 100k-mode\n");
+
+ memset(out, 0, sizeof(out));
+ out[0] = 'G';
+ out[1] = 100;
+
+ hmcfgusb_send(dev, out, sizeof(out), 2);
+
+ while (1) {
+ errno = 0;
+ pfd = hmcfgusb_poll(dev, 1);
+ if ((pfd < 0) && errno) {
+ if (errno != ETIMEDOUT) {
+ perror("\n\nhmcfgusb_poll");
+ exit(EXIT_FAILURE);
+ }
+ }
+ if (rdata.speed == 100)
+ break;
+ }
+
+ printf("Has the device switched?\n");
+
+ memset(out, 0, sizeof(out));
+
+ out[MSGID] = msgid++;
+ out[CTL] = 0x20;
+ out[TYPE] = 0xCB;
+ SET_SRC(out, 0x000000);
+ SET_DST(out, hmid);
+
+ memcpy(&out[PAYLOAD], switch_msg, sizeof(switch_msg));
+ SET_LEN_FROM_PAYLOADLEN(out, sizeof(switch_msg));
+
+ cnt = 3;
+ do {
+ if (send_hm_message(dev, &rdata, out)) {
+ /* A0A02000221B9AD00000000 */
+ switched = 1;
+ break;
+
+ }
+ } while (cnt--);
+
+ if (!switched) {
+ printf("Entering 10k-mode\n");
+
+ memset(out, 0, sizeof(out));
+ out[0] = 'G';
+ out[1] = 10;
+ hmcfgusb_send(dev, out, sizeof(out), 1);
+
+ while (1) {
+ errno = 0;
+ pfd = hmcfgusb_poll(dev, 1);
+ if ((pfd < 0) && errno) {
+ if (errno != ETIMEDOUT) {
+ perror("\n\nhmcfgusb_poll");
+ exit(EXIT_FAILURE);
+ }
+ }
+ if (rdata.speed == 10)
+ break;
+ }
+ }
+ } while (!switched);
+
+
+ printf("Initiating firmware upload!\n");
+
+ printf("Flashing %d blocks", fw->fw_blocks);
+ if (debug) {
+ printf("\n");
+ } else {
+ printf(": %04u/%04u %c", 0, fw->fw_blocks, twiddlie[0]);
+ fflush(stdout);
+ }
+
+ for (block = 0; block < fw->fw_blocks; block++) {
+ int first;
+
+ len = fw->fw[block][2] << 8;
+ len |= fw->fw[block][3];
+
+ pos = &(fw->fw[block][2]);
+
+ len += 2; /* length */
+
+ if (debug)
+ hexdump(pos, len, "F> ");
+
+ first = 1;
+ cnt = 0;
+ do {
+ int payloadlen = 35;
+ int ack = 0;
+
+ if (first) {
+ payloadlen = 37;
+ first = 0;
+ }
+
+ if ((len - (pos - &(fw->fw[block][2]))) < payloadlen)
+ payloadlen = (len - (pos - &(fw->fw[block][2])));
+
+ if (((pos + payloadlen) - &(fw->fw[block][2])) == len)
+ ack = 1;
+
+ memset(&rdata, 0, sizeof(rdata));
+
+ memset(out, 0, sizeof(out));
+
+ out[MSGID] = msgid++;
+ if (ack)
+ out[CTL] = 0x20;
+ out[TYPE] = 0xCA;
+ SET_SRC(out, 0x000000);
+ SET_DST(out, hmid);
+
+ memcpy(&out[PAYLOAD], pos, payloadlen);
+ SET_LEN_FROM_PAYLOADLEN(out, payloadlen);
+
+ if (send_hm_message(dev, &rdata, out)) {
+ pos += payloadlen;
+ } else {
+ pos = &(fw->fw[block][2]);
+ cnt++;
+ if (cnt == 3) {
+ fprintf(stderr, "\nToo many errors, giving up!\n");
+ exit(EXIT_FAILURE);
+ } else {
+ printf("Flashing %d blocks: %04u/%04u %c", fw->fw_blocks, block + 1, fw->fw_blocks, twiddlie[msgnum % sizeof(twiddlie)]);
+ }
+ }
+
+ msgnum++;
+
+ if (!debug) {
+ printf("\b\b\b\b\b\b\b\b\b\b\b%04u/%04u %c",
+ block + 1, fw->fw_blocks, twiddlie[msgnum % sizeof(twiddlie)]);
+ fflush(stdout);
+ }
+ } while((pos - &(fw->fw[block][2])) < len);
+ }
+
+ firmware_free(fw);
+
+ printf("Entering 10k-mode\n");
+
+ memset(out, 0, sizeof(out));
+ out[0] = 'G';
+ out[1] = 10;
+ hmcfgusb_send(dev, out, sizeof(out), 1);
+
+ while (1) {
+ errno = 0;
+ pfd = hmcfgusb_poll(dev, 1);
+ if ((pfd < 0) && errno) {
+ if (errno != ETIMEDOUT) {
+ perror("\n\nhmcfgusb_poll");
+ exit(EXIT_FAILURE);
+ }
+ }
+ if (rdata.speed == 10)
+ break;
+ }
+
+ printf("Waiting for device to reboot\n");
+
+ cnt = 10;
+ do {
+ errno = 0;
+ pfd = hmcfgusb_poll(dev, 1);
+ if ((pfd < 0) && errno) {
+ if (errno != ETIMEDOUT) {
+ perror("\n\nhmcfgusb_poll");
+ exit(EXIT_FAILURE);
+ }
+ }
+ if (rdata.message_type == MESSAGE_TYPE_E) {
+ break;
+ }
+ } while(cnt--);
+
+ if (rdata.message_type == MESSAGE_TYPE_E) {
+ printf("Device rebooted\n");
+ }
+
+ hmcfgusb_close(dev);
+
+ return EXIT_SUCCESS;
+}
projects / hmcfgusb / commitdiff