+/* flasher for HM-CFG-USB
+ *
+ * Copyright (c) 2013-16 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 "version.h"
+#include "hmuartlgw.h"
+
+struct recv_data {
+ uint16_t ack;
+};
+
+static int parse_hmuartlgw(enum hmuartlgw_dst dst, uint8_t *buf, int buf_len, void *data)
+{
+ struct recv_data *rdata = data;
+
+ if (buf_len != 2)
+ return 1;
+
+ rdata->ack = (buf[0] << 8) | (buf[1] & 0xff);
+
+ return 1;
+}
+
+void flash_hmmoduart_syntax(char *prog)
+{
+ fprintf(stderr, "Syntax: %s [options] -U /dev/ttyAMA0 filename.eq3\n\n", prog);
+ fprintf(stderr, "Mandatory parameter:\n");
+ fprintf(stderr, "\t-U device\tuse HM-MOD-UART on given device\n");
+ fprintf(stderr, "Possible options:\n");
+ fprintf(stderr, "\t-V\t\tshow version (" VERSION ")\n");
+
+}
+
+int main(int argc, char **argv)
+{
+ const char twiddlie[] = { '-', '\\', '|', '/' };
+ struct hmuartlgw_dev *dev;
+ uint8_t *framedata;
+ struct recv_data rdata;
+ uint16_t len;
+ struct firmware *fw;
+ char *uart = NULL;
+ char *filename = NULL;
+ int block;
+ int pfd;
+ int opt;
+ int debug = 0;
+
+ while((opt = getopt(argc, argv, "U:V")) != -1) {
+ switch (opt) {
+ case 'U':
+ uart = 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_hmmoduart_syntax(argv[0]);
+ exit(EXIT_FAILURE);
+ break;
+ }
+ }
+
+ if (optind == argc - 1) {
+ filename = argv[optind];
+ }
+
+ if (!uart) {
+ flash_hmmoduart_syntax(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+
+ printf("HM-MOD-UART flasher version " VERSION "\n\n");
+
+ if (!filename) {
+ fprintf(stderr, "Missing firmware filename!\n\n");
+ flash_hmmoduart_syntax(argv[0]);
+ exit(EXIT_FAILURE);
+ }
+
+ fw = firmware_read_firmware(filename, debug);
+ if (!fw)
+ exit(EXIT_FAILURE);
+
+ hmuartlgw_set_debug(debug);
+
+ memset(&rdata, 0, sizeof(rdata));
+
+ dev = hmuart_init(uart, parse_hmuartlgw, &rdata, 0);
+ if (!dev) {
+ fprintf(stderr, "Can't initialize HM-MOD-UART\n");
+ exit(EXIT_FAILURE);
+ }
+
+ printf("\nHM-MOD-UART opened.\n\n");
+
+ printf("Flashing %d blocks", fw->fw_blocks);
+ if (debug) {
+ printf("\n");
+ } else {
+ printf(": %c", twiddlie[0]);
+ fflush(stdout);
+ }
+
+ for (block = 0; block < fw->fw_blocks; block++) {
+ len = fw->fw[block][2] << 8;
+ len |= fw->fw[block][3];
+
+ len -= 1; /* + frametype, - crc crc */
+
+ framedata = (fw->fw[block]) + 3;
+ framedata[0] = HMUARTLGW_OS_UPDATE_FIRMWARE;
+
+ if (debug)
+ hexdump(framedata, len, "F> ");
+
+ rdata.ack = 0;
+
+ if (!hmuartlgw_send(dev, framedata, len, HMUARTLGW_OS)) {
+ perror("\n\nhmuartlgw_send");
+ exit(EXIT_FAILURE);
+ }
+
+ if (debug)
+ printf("Waiting for ack...\n");
+ do {
+ errno = 0;
+ pfd = hmuartlgw_poll(dev, 1000);
+ if ((pfd < 0) && errno) {
+ if (errno != ETIMEDOUT) {
+ perror("\n\nhmuartlgw_poll");
+ exit(EXIT_FAILURE);
+ }
+ }
+ if (rdata.ack) {
+ break;
+ }
+ } while (pfd < 0);
+
+ if (rdata.ack != 0x0401) {
+ 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);
+ }
+ }
+
+ if (rdata.ack == 0x0401) {
+ printf("\n\nFirmware update successfull!\n");
+ }
+
+
+ firmware_free(fw);
+
+ hmuartlgw_close(dev);
+
+ return EXIT_SUCCESS;
+}