3d3c3f6039
The Nemo Wide 2 uses the same communication protocol as the Icon HD, except for two differences: The Nemo Wide 2 requires a different baudrate and parity setting. Unfortunately it doesn't seem possible to autodetect the correct protocol variant at runtime. Attempting to proceed with incorrect settings will render the device unresponsive and requires a battery reset to recover.Therefore the model code needs to be provided as an extra parameter, when opening the connection. The Nemo Wide 2 also appears to have trouble downloading the entire memory with a single request. Therefore the single large request is split into many smaller ones. The offical Mares application uses 256 byte packets, and so do we. The Icon HD keeps using the large packets because they are significant faster. The extra model parameter breaks backwards compatibility!
115 lines
2.7 KiB
C
115 lines
2.7 KiB
C
/*
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* libdivecomputer
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*
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* Copyright (C) 2010 Jef Driesen
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301 USA
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*/
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#include <stdio.h> // fopen, fwrite, fclose
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#include <stdlib.h>
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#include <libdivecomputer/mares_iconhd.h>
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#include "utils.h"
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#include "common.h"
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dc_status_t
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test_dump_memory (const char* name, const char* filename, unsigned int model)
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{
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dc_context_t *context = NULL;
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dc_device_t *device = NULL;
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dc_context_new (&context);
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dc_context_set_loglevel (context, DC_LOGLEVEL_ALL);
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dc_context_set_logfunc (context, logfunc, NULL);
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message ("mares_iconhd_device_open\n");
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dc_status_t rc = mares_iconhd_device_open (&device, context, name, model);
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if (rc != DC_STATUS_SUCCESS) {
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WARNING ("Error opening serial port.");
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dc_context_free (context);
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return rc;
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}
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dc_buffer_t *buffer = dc_buffer_new (0);
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message ("dc_device_dump\n");
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rc = dc_device_dump (device, buffer);
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if (rc != DC_STATUS_SUCCESS) {
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WARNING ("Cannot read memory.");
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dc_buffer_free (buffer);
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dc_device_close (device);
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dc_context_free (context);
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return rc;
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}
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message ("Dumping data\n");
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FILE* fp = fopen (filename, "wb");
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if (fp != NULL) {
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fwrite (dc_buffer_get_data (buffer), sizeof (unsigned char), dc_buffer_get_size (buffer), fp);
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fclose (fp);
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}
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dc_buffer_free (buffer);
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message ("dc_device_close\n");
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rc = dc_device_close (device);
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if (rc != DC_STATUS_SUCCESS) {
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WARNING ("Cannot close device.");
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dc_context_free (context);
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return rc;
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}
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dc_context_free (context);
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return DC_STATUS_SUCCESS;
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}
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int main(int argc, char *argv[])
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{
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message_set_logfile ("ICONHD.LOG");
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#ifdef _WIN32
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const char* name = "COM1";
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#else
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const char* name = "/dev/ttyS0";
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#endif
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unsigned int model = 0;
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if (argc > 1) {
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name = argv[1];
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}
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if (argc > 2) {
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model = strtoul (argv[2], NULL, 0);
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}
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message ("DEVICE=%s\n", name);
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message ("MODEL=0x%02x\n", model);
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dc_status_t a = test_dump_memory (name, "ICONHD.DMP", model);
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message ("\nSUMMARY\n");
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message ("-------\n");
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message ("test_dump_memory: %s\n", errmsg (a));
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message_set_logfile (NULL);
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return 0;
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}
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