libdivecomputer/examples/uwatec_smart_test.c

116 lines
2.3 KiB
C

#include <stdio.h> // fopen, fwrite, fclose
#include <stdlib.h> // malloc, free
#include <string.h> // memset
#include "uwatec.h"
#include "utils.h"
#define WARNING(expr) \
{ \
message ("%s:%d: %s\n", __FILE__, __LINE__, expr); \
}
int test_dump_memory (const char* filename)
{
smart *device = NULL;
const unsigned int size = 2 * 1024 * 1024;
unsigned char *data = malloc (size * sizeof (unsigned char));
if (data == NULL)
return UWATEC_ERROR_MEMORY;
memset (data, 0, size * sizeof (unsigned char));
message ("uwatec_smart_open\n");
int rc = uwatec_smart_open (&device);
if (rc != UWATEC_SUCCESS) {
WARNING ("Cannot open device.");
free (data);
return rc;
}
message ("uwatec_smart_handshake\n");
rc = uwatec_smart_handshake (device);
if (rc != UWATEC_SUCCESS) {
WARNING ("Handshake failed.");
uwatec_smart_close (device);
free (data);
return rc;
}
message ("uwatec_smart_version\n");
unsigned char version[UWATEC_SMART_VERSION_SIZE] = {0};
rc = uwatec_smart_version (device, version, sizeof (version));
if (rc != UWATEC_SUCCESS) {
WARNING ("Cannot identify computer.");
uwatec_smart_close (device);
free (data);
return rc;
}
message ("uwatec_smart_read\n");
rc = uwatec_smart_read (device, data, size);
if (rc < 0) {
WARNING ("Cannot read data.");
uwatec_smart_close (device);
free (data);
return rc;
}
message ("Dumping data\n");
FILE* fp = fopen (filename, "wb");
if (fp != NULL) {
fwrite (data, sizeof (unsigned char), rc, fp);
fclose (fp);
}
message ("uwatec_smart_close\n");
rc = uwatec_smart_close (device);
if (rc != UWATEC_SUCCESS) {
WARNING ("Cannot close device.");
free (data);
return rc;
}
free (data);
return UWATEC_SUCCESS;
}
const char* errmsg (int rc)
{
switch (rc) {
case UWATEC_SUCCESS:
return "Success";
case UWATEC_ERROR:
return "Generic error";
case UWATEC_ERROR_IO:
return "Input/output error";
case UWATEC_ERROR_MEMORY:
return "Memory error";
case UWATEC_ERROR_PROTOCOL:
return "Protocol error";
case UWATEC_ERROR_TIMEOUT:
return "Timeout";
default:
return "Unknown error";
}
}
int main(int argc, char *argv[])
{
message_set_logfile ("SMART.LOG");
int a = test_dump_memory ("SMART.DMP");
message ("\nSUMMARY\n");
message ("-------\n");
message ("test_dump_memory: %s\n", errmsg (a));
message_set_logfile (NULL);
return 0;
}