[hmcfgusb] / flash-ota.c

/* 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;
	uint16_t hmcfgusb_version;
};

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;
		case 'H':
			rdata->hmcfgusb_version = (buf[11] << 8) | buf[12];
			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), 1);

	while (1) {
		if (rdata->message_type == MESSAGE_TYPE_R) {
			if (((rdata->status & 0xff) == 0x01) ||
			    ((rdata->status & 0xff) == 0x02)) {
			    	break;
			} else {
				fprintf(stderr, "\nInvalid status: %04x\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;
}

static int switch_speed(struct hmcfgusb_dev *dev, struct recv_data *rdata, uint8_t speed)
{
	uint8_t out[0x40];
	int pfd;

	printf("Entering %uk-mode\n", speed);

	memset(out, 0, sizeof(out));
	out[0] = 'G';
	out[1] = speed;

	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 == speed)
			break;
	}

	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 switchcnt = 0;
	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");

	memset(out, 0, sizeof(out));
	out[0] = 'K';
	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.hmcfgusb_version)
			break;
	}

	if (rdata.hmcfgusb_version < 0x3c7) {
		fprintf(stderr, "HM-CFG-USB firmware too low: %u < 967\n", rdata.hmcfgusb_version);
		exit(EXIT_FAILURE);
	}

	printf("HM-CFG-USB firmware version: %u\n", rdata.hmcfgusb_version);

	if (!switch_speed(dev, &rdata, 10)) {
		fprintf(stderr, "Can't switch speed!\n");
		exit(EXIT_FAILURE);
	}

	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), 1);

	switchcnt = 3;
	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);
		}

		if (!switch_speed(dev, &rdata, 100)) {
			fprintf(stderr, "Can't switch speed!\n");
			exit(EXIT_FAILURE);
		}

		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("No!\n");

			if (!switch_speed(dev, &rdata, 10)) {
				fprintf(stderr, "Can't switch speed!\n");
				exit(EXIT_FAILURE);
			}
		}
	} while ((!switched) && (switchcnt--));

	if (!switched) {
		fprintf(stderr, "Too many errors, giving up!\n");
		exit(EXIT_FAILURE);
	}

	printf("Yes!\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);
		msgid++;
	}

	firmware_free(fw);

	printf("\n");

	if (!switch_speed(dev, &rdata, 10)) {
		fprintf(stderr, "Can't switch speed!\n");
		exit(EXIT_FAILURE);
	}

	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;
}
Commit	Line	Data
25870f58 MG	1	/* flasher for HomeMatic-devices supporting OTA updates
	2	*
	3	* Copyright (c) 2014 Michael Gernoth <michael@gernoth.net>
	4	*
	5	* Permission is hereby granted, free of charge, to any person obtaining a copy
	6	* of this software and associated documentation files (the "Software"), to
	7	* deal in the Software without restriction, including without limitation the
	8	* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
	9	* sell copies of the Software, and to permit persons to whom the Software is
	10	* furnished to do so, subject to the following conditions:
	11	*
	12	* The above copyright notice and this permission notice shall be included in
	13	* all copies or substantial portions of the Software.
	14	*
	15	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	16	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	18	* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	19	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	20	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
	21	* IN THE SOFTWARE.
	22	*/
	23
	24	#include <stdio.h>
	25	#include <stdlib.h>
	26	#include <unistd.h>
	27	#include <stdint.h>
	28	#include <string.h>
	29	#include <strings.h>
	30	#include <poll.h>
	31	#include <errno.h>
	32	#include <sys/types.h>
	33	#include <sys/stat.h>
	34	#include <fcntl.h>
	35	#include <sys/time.h>
	36	#include <libusb-1.0/libusb.h>
	37
	38	#include "hexdump.h"
	39	#include "firmware.h"
	40	#include "hm.h"
	41	#include "version.h"
	42	#include "hmcfgusb.h"
	43
	44	uint32_t hmid = 0;
	45
	46	enum message_type {
	47	MESSAGE_TYPE_E,
	48	MESSAGE_TYPE_R,
	49	};
	50
	51	struct recv_data {
	52	uint8_t message[64];
	53	enum message_type message_type;
	54	uint16_t status;
	55	int speed;
865d5b4c	56	uint16_t hmcfgusb_version;
25870f58 MG	57	};
	58
	59	static int parse_hmcfgusb(uint8_t buf, int buf_len, void data)
	60	{
	61	struct recv_data *rdata = data;
	62
	63	if (buf_len < 1)
	64	return 1;
	65
	66	switch (buf[0]) {
	67	case 'E':
	68	if ((!hmid) \|\|
	69	((buf[0x11] == ((hmid >> 16) & 0xff)) &&
	70	(buf[0x12] == ((hmid >> 8) & 0xff)) &&
	71	(buf[0x13] == (hmid & 0xff)))) {
	72	memset(rdata->message, 0, sizeof(rdata->message));
	73	memcpy(rdata->message, buf + 0x0d, buf[0x0d] + 1);
	74	rdata->message_type = MESSAGE_TYPE_E;
	75	}
	76	break;
	77	case 'R':
	78	memset(rdata->message, 0, sizeof(rdata->message));
	79	memcpy(rdata->message, buf + 0x0e, buf[0x0e] + 1);
	80	rdata->status = (buf[5] << 8) \| buf[6];
	81	rdata->message_type = MESSAGE_TYPE_R;
	82	break;
	83	case 'G':
	84	rdata->speed = buf[1];
	85	break;
865d5b4c MG	86	case 'H':
	87	rdata->hmcfgusb_version = (buf[11] << 8) \| buf[12];
	88	break;
25870f58 MG	89	default:
	90	break;
	91	}
	92
	93	if (buf_len != 1)
	94	return 1;
	95
	96	return 1;
	97	}
	98
	99	int send_hm_message(struct hmcfgusb_dev dev, struct recv_data rdata, uint8_t *msg)
	100	{
	101	static uint32_t id = 1;
	102	struct timeval tv;
	103	uint8_t out[0x40];
	104	int pfd;
	105
	106	if (gettimeofday(&tv, NULL) == -1) {
	107	perror("gettimeofay");
	108	return 0;
	109	}
	110
	111	memset(out, 0, sizeof(out));
	112
	113	out[0] = 'S';
	114	out[1] = (id >> 24) & 0xff;
	115	out[2] = (id >> 16) & 0xff;
	116	out[3] = (id >> 8) & 0xff;
	117	out[4] = id & 0xff;
	118	out[10] = 0x01;
	119	out[11] = (tv.tv_usec >> 24) & 0xff;
	120	out[12] = (tv.tv_usec >> 16) & 0xff;
	121	out[13] = (tv.tv_usec >> 8) & 0xff;
	122	out[14] = tv.tv_usec & 0xff;
	123
	124
	125	memcpy(&out[0x0f], msg, msg[0] + 1);
	126
	127	memset(rdata, 0, sizeof(struct recv_data));
268d2cc6	128	hmcfgusb_send(dev, out, sizeof(out), 1);
25870f58 MG	129
	130	while (1) {
	131	if (rdata->message_type == MESSAGE_TYPE_R) {
	132	if (((rdata->status & 0xff) == 0x01) \|\|
	133	((rdata->status & 0xff) == 0x02)) {
	134	break;
	135	} else {
268d2cc6	136	fprintf(stderr, "\nInvalid status: %04x\n", rdata->status);
25870f58 MG	137	return 0;
	138	}
	139	}
	140	errno = 0;
	141	pfd = hmcfgusb_poll(dev, 1);
	142	if ((pfd < 0) && errno) {
	143	if (errno != ETIMEDOUT) {
	144	perror("\n\nhmcfgusb_poll");
	145	exit(EXIT_FAILURE);
	146	}
	147	}
	148	}
	149
	150	id++;
	151	return 1;
	152	}
	153
da4ab971 MG	154	static int switch_speed(struct hmcfgusb_dev dev, struct recv_data rdata, uint8_t speed)
	155	{
	156	uint8_t out[0x40];
	157	int pfd;
	158
	159	printf("Entering %uk-mode\n", speed);
	160
	161	memset(out, 0, sizeof(out));
	162	out[0] = 'G';
	163	out[1] = speed;
	164
268d2cc6	165	hmcfgusb_send(dev, out, sizeof(out), 1);
da4ab971 MG	166
	167	while (1) {
	168	errno = 0;
	169	pfd = hmcfgusb_poll(dev, 1);
	170	if ((pfd < 0) && errno) {
	171	if (errno != ETIMEDOUT) {
	172	perror("\n\nhmcfgusb_poll");
	173	exit(EXIT_FAILURE);
	174	}
	175	}
	176	if (rdata->speed == speed)
	177	break;
	178	}
	179
	180	return 1;
	181	}
	182
25870f58 MG	183	int main(int argc, char **argv)
	184	{
	185	const char twiddlie[] = { '-', '\\', '\|', '/' };
	186	const uint8_t switch_msg[] = { 0x10, 0x5B, 0x11, 0xF8, 0x15, 0x47 };
	187	struct hmcfgusb_dev *dev;
	188	struct recv_data rdata;
	189	uint8_t out[0x40];
	190	uint8_t *pos;
	191	uint8_t msgid = 0x1;
	192	uint16_t len;
	193	struct firmware *fw;
	194	int block;
	195	int pfd;
	196	int debug = 0;
	197	int cnt;
da4ab971	198	int switchcnt = 0;
25870f58 MG	199	int msgnum = 0;
	200	int switched = 0;
	201
	202	printf("HomeMatic OTA flasher version " VERSION "\n\n");
	203
	204	if (argc != 3) {
	205	if (argc == 1)
	206	fprintf(stderr, "Missing firmware filename!\n\n");
	207
	208	if (argc == 2)
	209	fprintf(stderr, "Missing serial!\n\n");
	210
	211	fprintf(stderr, "Syntax: %s firmware.eq3 SERIALNUMBER\n\n", argv[0]);
	212	exit(EXIT_FAILURE);
	213	}
	214
	215	fw = firmware_read_firmware(argv[1], debug);
	216	if (!fw)
	217	exit(EXIT_FAILURE);
	218
	219	hmcfgusb_set_debug(debug);
	220
	221	memset(&rdata, 0, sizeof(rdata));
	222
	223	dev = hmcfgusb_init(parse_hmcfgusb, &rdata);
	224	if (!dev) {
	225	fprintf(stderr, "Can't initialize HM-CFG-USB\n");
	226	exit(EXIT_FAILURE);
	227	}
	228
	229	if (dev->bootloader) {
	230	fprintf(stderr, "\nHM-CFG-USB not in bootloader mode, aborting!\n");
	231	exit(EXIT_FAILURE);
	232	}
	233
	234	printf("\nHM-CFG-USB opened\n\n");
	235
865d5b4c MG	236	memset(out, 0, sizeof(out));
	237	out[0] = 'K';
	238	hmcfgusb_send(dev, out, sizeof(out), 1);
	239
	240	while (1) {
	241	errno = 0;
	242	pfd = hmcfgusb_poll(dev, 1);
	243	if ((pfd < 0) && errno) {
	244	if (errno != ETIMEDOUT) {
	245	perror("\n\nhmcfgusb_poll");
	246	exit(EXIT_FAILURE);
	247	}
	248	}
	249	if (rdata.hmcfgusb_version)
	250	break;
	251	}
	252
	253	if (rdata.hmcfgusb_version < 0x3c7) {
	254	fprintf(stderr, "HM-CFG-USB firmware too low: %u < 967\n", rdata.hmcfgusb_version);
	255	exit(EXIT_FAILURE);
	256	}
	257
	258	printf("HM-CFG-USB firmware version: %u\n", rdata.hmcfgusb_version);
	259
da4ab971 MG	260	if (!switch_speed(dev, &rdata, 10)) {
	261	fprintf(stderr, "Can't switch speed!\n");
	262	exit(EXIT_FAILURE);
25870f58 MG	263	}
	264
	265	printf("Waiting for device with serial %s\n", argv[2]);
	266
	267	while (1) {
	268	errno = 0;
	269	pfd = hmcfgusb_poll(dev, 1);
	270	if ((pfd < 0) && errno) {
	271	if (errno != ETIMEDOUT) {
	272	perror("\n\nhmcfgusb_poll");
	273	exit(EXIT_FAILURE);
	274	}
	275	}
	276
	277	if ((rdata.message[LEN] == 0x14) && /* Length */
	278	(rdata.message[MSGID] == 0x00) && /* Message ID */
	279	(rdata.message[CTL] == 0x00) && /* Control Byte */
	280	(rdata.message[TYPE] == 0x10) && /* Messagte type: Information */
	281	(DST(rdata.message) == 0x000000) && /* Broadcast */
	282	(rdata.message[PAYLOAD] == 0x00) && /* FUP? */
	283	(rdata.message[PAYLOAD+2] == 'E') &&
	284	(rdata.message[PAYLOAD+3] == 'Q')) {
	285	if (!strncmp((char*)&(rdata.message[0x0b]), argv[2], 10)) {
	286	hmid = SRC(rdata.message);
	287	break;
	288	}
	289	}
	290	}
	291
	292	printf("Device with serial %s (hmid: %06x) entered firmware-update-mode\n", argv[2], hmid);
	293
	294	printf("Adding HMID\n");
	295
	296	memset(out, 0, sizeof(out));
	297	out[0] = '+';
	298	out[1] = (hmid >> 16) & 0xff;
	299	out[2] = (hmid >> 8) & 0xff;
	300	out[3] = hmid & 0xff;
	301
268d2cc6	302	hmcfgusb_send(dev, out, sizeof(out), 1);
25870f58	303
da4ab971	304	switchcnt = 3;
25870f58 MG	305	do {
	306	printf("Initiating remote switch to 100k\n");
	307
	308	memset(out, 0, sizeof(out));
	309
	310	out[MSGID] = msgid++;
	311	out[CTL] = 0x00;
	312	out[TYPE] = 0xCB;
	313	SET_SRC(out, 0x000000);
	314	SET_DST(out, hmid);
	315
	316	memcpy(&out[PAYLOAD], switch_msg, sizeof(switch_msg));
	317	SET_LEN_FROM_PAYLOADLEN(out, sizeof(switch_msg));
	318
	319	if (!send_hm_message(dev, &rdata, out)) {
	320	exit(EXIT_FAILURE);
	321	}
	322
da4ab971 MG	323	if (!switch_speed(dev, &rdata, 100)) {
	324	fprintf(stderr, "Can't switch speed!\n");
	325	exit(EXIT_FAILURE);
25870f58 MG	326	}
	327
	328	printf("Has the device switched?\n");
	329
	330	memset(out, 0, sizeof(out));
	331
	332	out[MSGID] = msgid++;
	333	out[CTL] = 0x20;
	334	out[TYPE] = 0xCB;
	335	SET_SRC(out, 0x000000);
	336	SET_DST(out, hmid);
	337
	338	memcpy(&out[PAYLOAD], switch_msg, sizeof(switch_msg));
	339	SET_LEN_FROM_PAYLOADLEN(out, sizeof(switch_msg));
	340
	341	cnt = 3;
	342	do {
	343	if (send_hm_message(dev, &rdata, out)) {
	344	/* A0A02000221B9AD00000000 */
	345	switched = 1;
	346	break;
	347
	348	}
	349	} while (cnt--);
	350
	351	if (!switched) {
da4ab971	352	printf("No!\n");
25870f58	353
da4ab971 MG	354	if (!switch_speed(dev, &rdata, 10)) {
	355	fprintf(stderr, "Can't switch speed!\n");
	356	exit(EXIT_FAILURE);
25870f58 MG	357	}
25870f58 MG	358	}
da4ab971	359	} while ((!switched) && (switchcnt--));
25870f58	360
268d2cc6 MG	361	if (!switched) {
	362	fprintf(stderr, "Too many errors, giving up!\n");
	363	exit(EXIT_FAILURE);
	364	}
25870f58	365
da4ab971	366	printf("Yes!\n");
25870f58 MG	367
	368	printf("Flashing %d blocks", fw->fw_blocks);
	369	if (debug) {
	370	printf("\n");
	371	} else {
	372	printf(": %04u/%04u %c", 0, fw->fw_blocks, twiddlie[0]);
	373	fflush(stdout);
	374	}
	375
	376	for (block = 0; block < fw->fw_blocks; block++) {
	377	int first;
	378
	379	len = fw->fw[block][2] << 8;
	380	len \|= fw->fw[block][3];
	381
	382	pos = &(fw->fw[block][2]);
	383
	384	len += 2; /* length */
	385
	386	if (debug)
	387	hexdump(pos, len, "F> ");
	388
	389	first = 1;
	390	cnt = 0;
	391	do {
	392	int payloadlen = 35;
	393	int ack = 0;
	394
	395	if (first) {
	396	payloadlen = 37;
	397	first = 0;
	398	}
	399
	400	if ((len - (pos - &(fw->fw[block][2]))) < payloadlen)
	401	payloadlen = (len - (pos - &(fw->fw[block][2])));
	402
	403	if (((pos + payloadlen) - &(fw->fw[block][2])) == len)
	404	ack = 1;
	405
	406	memset(&rdata, 0, sizeof(rdata));
	407
	408	memset(out, 0, sizeof(out));
	409
da4ab971	410	out[MSGID] = msgid;
25870f58 MG	411	if (ack)
	412	out[CTL] = 0x20;
	413	out[TYPE] = 0xCA;
	414	SET_SRC(out, 0x000000);
	415	SET_DST(out, hmid);
	416
	417	memcpy(&out[PAYLOAD], pos, payloadlen);
	418	SET_LEN_FROM_PAYLOADLEN(out, payloadlen);
	419
	420	if (send_hm_message(dev, &rdata, out)) {
	421	pos += payloadlen;
	422	} else {
	423	pos = &(fw->fw[block][2]);
	424	cnt++;
	425	if (cnt == 3) {
	426	fprintf(stderr, "\nToo many errors, giving up!\n");
	427	exit(EXIT_FAILURE);
	428	} else {
	429	printf("Flashing %d blocks: %04u/%04u %c", fw->fw_blocks, block + 1, fw->fw_blocks, twiddlie[msgnum % sizeof(twiddlie)]);
	430	}
	431	}
	432
	433	msgnum++;
	434
	435	if (!debug) {
	436	printf("\b\b\b\b\b\b\b\b\b\b\b%04u/%04u %c",
	437	block + 1, fw->fw_blocks, twiddlie[msgnum % sizeof(twiddlie)]);
	438	fflush(stdout);
	439	}
	440	} while((pos - &(fw->fw[block][2])) < len);
da4ab971	441	msgid++;
25870f58 MG	442	}
	443
	444	firmware_free(fw);
	445
da4ab971	446	printf("\n");
25870f58	447
da4ab971 MG	448	if (!switch_speed(dev, &rdata, 10)) {
	449	fprintf(stderr, "Can't switch speed!\n");
	450	exit(EXIT_FAILURE);
25870f58 MG	451	}
	452
	453	printf("Waiting for device to reboot\n");
	454
	455	cnt = 10;
	456	do {
	457	errno = 0;
	458	pfd = hmcfgusb_poll(dev, 1);
	459	if ((pfd < 0) && errno) {
	460	if (errno != ETIMEDOUT) {
	461	perror("\n\nhmcfgusb_poll");
	462	exit(EXIT_FAILURE);
	463	}
	464	}
	465	if (rdata.message_type == MESSAGE_TYPE_E) {
	466	break;
	467	}
	468	} while(cnt--);
	469
	470	if (rdata.message_type == MESSAGE_TYPE_E) {
	471	printf("Device rebooted\n");
	472	}
	473
	474	hmcfgusb_close(dev);
	475
	476	return EXIT_SUCCESS;
	477	}