[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;
};

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), 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");

	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;
	56	};
	57
	58	static int parse_hmcfgusb(uint8_t buf, int buf_len, void data)
	59	{
	60	struct recv_data *rdata = data;
	61
	62	if (buf_len < 1)
	63	return 1;
	64
65	switch (buf[0]) {
66	case 'E':
67	if ((!hmid) \|\|
68	((buf[0x11] == ((hmid >> 16) & 0xff)) &&
69	(buf[0x12] == ((hmid >> 8) & 0xff)) &&
70	(buf[0x13] == (hmid & 0xff)))) {
71	memset(rdata->message, 0, sizeof(rdata->message));
72	memcpy(rdata->message, buf + 0x0d, buf[0x0d] + 1);
73	rdata->message_type = MESSAGE_TYPE_E;
74	}
75	break;
76	case 'R':
77	memset(rdata->message, 0, sizeof(rdata->message));
78	memcpy(rdata->message, buf + 0x0e, buf[0x0e] + 1);
79	rdata->status = (buf[5] << 8) \| buf[6];
80	rdata->message_type = MESSAGE_TYPE_R;
81	break;
82	case 'G':
83	rdata->speed = buf[1];
84	break;
85	default:
86	break;
87	}
88
89	if (buf_len != 1)
90	return 1;
91
92	return 1;
93	}
94
95	int send_hm_message(struct hmcfgusb_dev dev, struct recv_data rdata, uint8_t *msg)
96	{
97	static uint32_t id = 1;
98	struct timeval tv;
99	uint8_t out[0x40];
100	int pfd;
101
102	if (gettimeofday(&tv, NULL) == -1) {
103	perror("gettimeofay");
104	return 0;
105	}
106
107	memset(out, 0, sizeof(out));
108
109	out[0] = 'S';
110	out[1] = (id >> 24) & 0xff;
111	out[2] = (id >> 16) & 0xff;
112	out[3] = (id >> 8) & 0xff;
113	out[4] = id & 0xff;
114	out[10] = 0x01;
115	out[11] = (tv.tv_usec >> 24) & 0xff;
116	out[12] = (tv.tv_usec >> 16) & 0xff;
117	out[13] = (tv.tv_usec >> 8) & 0xff;
118	out[14] = tv.tv_usec & 0xff;
119
120
121	memcpy(&out[0x0f], msg, msg[0] + 1);
122
123	memset(rdata, 0, sizeof(struct recv_data));
268d2cc6	124	hmcfgusb_send(dev, out, sizeof(out), 1);
25870f58 MG	125
	126	while (1) {
	127	if (rdata->message_type == MESSAGE_TYPE_R) {
	128	if (((rdata->status & 0xff) == 0x01) \|\|
	129	((rdata->status & 0xff) == 0x02)) {
	130	break;
	131	} else {
268d2cc6	132	fprintf(stderr, "\nInvalid status: %04x\n", rdata->status);
25870f58 MG	133	return 0;
	134	}
	135	}
	136	errno = 0;
	137	pfd = hmcfgusb_poll(dev, 1);
	138	if ((pfd < 0) && errno) {
	139	if (errno != ETIMEDOUT) {
	140	perror("\n\nhmcfgusb_poll");
	141	exit(EXIT_FAILURE);
	142	}
	143	}
	144	}
	145
	146	id++;
	147	return 1;
	148	}
	149
da4ab971 MG	150	static int switch_speed(struct hmcfgusb_dev dev, struct recv_data rdata, uint8_t speed)
	151	{
	152	uint8_t out[0x40];
	153	int pfd;
	154
	155	printf("Entering %uk-mode\n", speed);
	156
	157	memset(out, 0, sizeof(out));
	158	out[0] = 'G';
	159	out[1] = speed;
	160
268d2cc6	161	hmcfgusb_send(dev, out, sizeof(out), 1);
da4ab971 MG	162
	163	while (1) {
	164	errno = 0;
	165	pfd = hmcfgusb_poll(dev, 1);
	166	if ((pfd < 0) && errno) {
	167	if (errno != ETIMEDOUT) {
	168	perror("\n\nhmcfgusb_poll");
	169	exit(EXIT_FAILURE);
	170	}
	171	}
	172	if (rdata->speed == speed)
	173	break;
	174	}
	175
	176	return 1;
	177	}
	178
25870f58 MG	179	int main(int argc, char **argv)
	180	{
	181	const char twiddlie[] = { '-', '\\', '\|', '/' };
	182	const uint8_t switch_msg[] = { 0x10, 0x5B, 0x11, 0xF8, 0x15, 0x47 };
	183	struct hmcfgusb_dev *dev;
	184	struct recv_data rdata;
	185	uint8_t out[0x40];
	186	uint8_t *pos;
	187	uint8_t msgid = 0x1;
	188	uint16_t len;
	189	struct firmware *fw;
	190	int block;
	191	int pfd;
	192	int debug = 0;
	193	int cnt;
da4ab971	194	int switchcnt = 0;
25870f58 MG	195	int msgnum = 0;
	196	int switched = 0;
	197
	198	printf("HomeMatic OTA flasher version " VERSION "\n\n");
	199
	200	if (argc != 3) {
	201	if (argc == 1)
	202	fprintf(stderr, "Missing firmware filename!\n\n");
	203
	204	if (argc == 2)
	205	fprintf(stderr, "Missing serial!\n\n");
	206
	207	fprintf(stderr, "Syntax: %s firmware.eq3 SERIALNUMBER\n\n", argv[0]);
	208	exit(EXIT_FAILURE);
	209	}
	210
	211	fw = firmware_read_firmware(argv[1], debug);
	212	if (!fw)
	213	exit(EXIT_FAILURE);
	214
	215	hmcfgusb_set_debug(debug);
	216
	217	memset(&rdata, 0, sizeof(rdata));
	218
	219	dev = hmcfgusb_init(parse_hmcfgusb, &rdata);
	220	if (!dev) {
	221	fprintf(stderr, "Can't initialize HM-CFG-USB\n");
	222	exit(EXIT_FAILURE);
	223	}
	224
	225	if (dev->bootloader) {
	226	fprintf(stderr, "\nHM-CFG-USB not in bootloader mode, aborting!\n");
	227	exit(EXIT_FAILURE);
	228	}
	229
	230	printf("\nHM-CFG-USB opened\n\n");
	231
da4ab971 MG	232	if (!switch_speed(dev, &rdata, 10)) {
	233	fprintf(stderr, "Can't switch speed!\n");
	234	exit(EXIT_FAILURE);
25870f58 MG	235	}
	236
	237	printf("Waiting for device with serial %s\n", argv[2]);
	238
	239	while (1) {
	240	errno = 0;
	241	pfd = hmcfgusb_poll(dev, 1);
	242	if ((pfd < 0) && errno) {
	243	if (errno != ETIMEDOUT) {
	244	perror("\n\nhmcfgusb_poll");
	245	exit(EXIT_FAILURE);
	246	}
	247	}
	248
	249	if ((rdata.message[LEN] == 0x14) && /* Length */
	250	(rdata.message[MSGID] == 0x00) && /* Message ID */
	251	(rdata.message[CTL] == 0x00) && /* Control Byte */
	252	(rdata.message[TYPE] == 0x10) && /* Messagte type: Information */
	253	(DST(rdata.message) == 0x000000) && /* Broadcast */
	254	(rdata.message[PAYLOAD] == 0x00) && /* FUP? */
	255	(rdata.message[PAYLOAD+2] == 'E') &&
	256	(rdata.message[PAYLOAD+3] == 'Q')) {
	257	if (!strncmp((char*)&(rdata.message[0x0b]), argv[2], 10)) {
	258	hmid = SRC(rdata.message);
	259	break;
	260	}
	261	}
	262	}
	263
	264	printf("Device with serial %s (hmid: %06x) entered firmware-update-mode\n", argv[2], hmid);
	265
	266	printf("Adding HMID\n");
	267
	268	memset(out, 0, sizeof(out));
	269	out[0] = '+';
	270	out[1] = (hmid >> 16) & 0xff;
	271	out[2] = (hmid >> 8) & 0xff;
	272	out[3] = hmid & 0xff;
	273
268d2cc6	274	hmcfgusb_send(dev, out, sizeof(out), 1);
25870f58	275
da4ab971	276	switchcnt = 3;
25870f58 MG	277	do {
	278	printf("Initiating remote switch to 100k\n");
	279
	280	memset(out, 0, sizeof(out));
	281
	282	out[MSGID] = msgid++;
	283	out[CTL] = 0x00;
	284	out[TYPE] = 0xCB;
	285	SET_SRC(out, 0x000000);
	286	SET_DST(out, hmid);
	287
	288	memcpy(&out[PAYLOAD], switch_msg, sizeof(switch_msg));
	289	SET_LEN_FROM_PAYLOADLEN(out, sizeof(switch_msg));
	290
	291	if (!send_hm_message(dev, &rdata, out)) {
	292	exit(EXIT_FAILURE);
	293	}
	294
da4ab971 MG	295	if (!switch_speed(dev, &rdata, 100)) {
	296	fprintf(stderr, "Can't switch speed!\n");
	297	exit(EXIT_FAILURE);
25870f58 MG	298	}
	299
	300	printf("Has the device switched?\n");
	301
	302	memset(out, 0, sizeof(out));
	303
	304	out[MSGID] = msgid++;
	305	out[CTL] = 0x20;
	306	out[TYPE] = 0xCB;
	307	SET_SRC(out, 0x000000);
	308	SET_DST(out, hmid);
	309
	310	memcpy(&out[PAYLOAD], switch_msg, sizeof(switch_msg));
	311	SET_LEN_FROM_PAYLOADLEN(out, sizeof(switch_msg));
	312
	313	cnt = 3;
	314	do {
	315	if (send_hm_message(dev, &rdata, out)) {
	316	/* A0A02000221B9AD00000000 */
	317	switched = 1;
	318	break;
	319
	320	}
	321	} while (cnt--);
	322
	323	if (!switched) {
da4ab971	324	printf("No!\n");
25870f58	325
da4ab971 MG	326	if (!switch_speed(dev, &rdata, 10)) {
	327	fprintf(stderr, "Can't switch speed!\n");
	328	exit(EXIT_FAILURE);
25870f58 MG	329	}
25870f58 MG	330	}
da4ab971	331	} while ((!switched) && (switchcnt--));
25870f58	332
268d2cc6 MG	333	if (!switched) {
	334	fprintf(stderr, "Too many errors, giving up!\n");
	335	exit(EXIT_FAILURE);
	336	}
25870f58	337
da4ab971	338	printf("Yes!\n");
25870f58 MG	339
	340	printf("Flashing %d blocks", fw->fw_blocks);
	341	if (debug) {
	342	printf("\n");
	343	} else {
	344	printf(": %04u/%04u %c", 0, fw->fw_blocks, twiddlie[0]);
	345	fflush(stdout);
	346	}
	347
	348	for (block = 0; block < fw->fw_blocks; block++) {
	349	int first;
	350
	351	len = fw->fw[block][2] << 8;
	352	len \|= fw->fw[block][3];
	353
	354	pos = &(fw->fw[block][2]);
	355
	356	len += 2; /* length */
	357
	358	if (debug)
	359	hexdump(pos, len, "F> ");
	360
	361	first = 1;
	362	cnt = 0;
	363	do {
	364	int payloadlen = 35;
	365	int ack = 0;
	366
	367	if (first) {
	368	payloadlen = 37;
	369	first = 0;
	370	}
	371
	372	if ((len - (pos - &(fw->fw[block][2]))) < payloadlen)
	373	payloadlen = (len - (pos - &(fw->fw[block][2])));
	374
	375	if (((pos + payloadlen) - &(fw->fw[block][2])) == len)
	376	ack = 1;
	377
	378	memset(&rdata, 0, sizeof(rdata));
	379
	380	memset(out, 0, sizeof(out));
	381
da4ab971	382	out[MSGID] = msgid;
25870f58 MG	383	if (ack)
	384	out[CTL] = 0x20;
	385	out[TYPE] = 0xCA;
	386	SET_SRC(out, 0x000000);
	387	SET_DST(out, hmid);
	388
	389	memcpy(&out[PAYLOAD], pos, payloadlen);
	390	SET_LEN_FROM_PAYLOADLEN(out, payloadlen);
	391
	392	if (send_hm_message(dev, &rdata, out)) {
	393	pos += payloadlen;
	394	} else {
	395	pos = &(fw->fw[block][2]);
	396	cnt++;
	397	if (cnt == 3) {
	398	fprintf(stderr, "\nToo many errors, giving up!\n");
	399	exit(EXIT_FAILURE);
	400	} else {
	401	printf("Flashing %d blocks: %04u/%04u %c", fw->fw_blocks, block + 1, fw->fw_blocks, twiddlie[msgnum % sizeof(twiddlie)]);
	402	}
	403	}
	404
	405	msgnum++;
	406
	407	if (!debug) {
	408	printf("\b\b\b\b\b\b\b\b\b\b\b%04u/%04u %c",
	409	block + 1, fw->fw_blocks, twiddlie[msgnum % sizeof(twiddlie)]);
	410	fflush(stdout);
	411	}
	412	} while((pos - &(fw->fw[block][2])) < len);
da4ab971	413	msgid++;
25870f58 MG	414	}
	415
	416	firmware_free(fw);
	417
da4ab971	418	printf("\n");
25870f58	419
da4ab971 MG	420	if (!switch_speed(dev, &rdata, 10)) {
	421	fprintf(stderr, "Can't switch speed!\n");
	422	exit(EXIT_FAILURE);
25870f58 MG	423	}
	424
	425	printf("Waiting for device to reboot\n");
	426
	427	cnt = 10;
	428	do {
	429	errno = 0;
	430	pfd = hmcfgusb_poll(dev, 1);
	431	if ((pfd < 0) && errno) {
	432	if (errno != ETIMEDOUT) {
	433	perror("\n\nhmcfgusb_poll");
	434	exit(EXIT_FAILURE);
	435	}
	436	}
	437	if (rdata.message_type == MESSAGE_TYPE_E) {
	438	break;
	439	}
	440	} while(cnt--);
	441
	442	if (rdata.message_type == MESSAGE_TYPE_E) {
	443	printf("Device rebooted\n");
	444	}
	445
	446	hmcfgusb_close(dev);
	447
	448	return EXIT_SUCCESS;
	449	}