/******************************************************************************
NAME
vc_gencmd
SYNOPSIS
int vc_gencmd(char *response, int maxlen, const char *format, ...)
FUNCTION
Send a gencmd and receive the response as per vc_gencmd read_response.
RETURNS
int
******************************************************************************/
int vc_gencmd(char *response, int maxlen, const char *format, ...) {
va_list args;
int ret;
va_start(args, format);
ret = vc_gencmd_send_list(format, args);
va_end (args);
if (ret < 0)
return ret;
return vc_gencmd_read_response(response, maxlen);
}
/******************************************************************************
NAME
vc_gencmd
SYNOPSIS
int vc_gencmd(char *response, int maxlen, const char *format, ...)
FUNCTION
Send a gencmd and receive the response as per vc_gencmd read_response.
RETURNS
int
******************************************************************************/
int vc_gencmd(char *response, int maxlen, const char *format, ...) {
va_list args;
int ret = -1;
use_gencmd_service();
va_start(args, format);
ret = vc_gencmd_send_list(format, args);
va_end (args);
if (ret >= 0) {
ret = vc_gencmd_read_response(response, maxlen);
}
release_gencmd_service();
return ret;
}
int main( int argc, char **argv )
{
int instNum = 0;
VCHI_INSTANCE_T vchi_instance;
VCHI_CONNECTION_T *vchi_connection = NULL;
if ( argc > 1 )
{
if (( strcmp( argv[1], "0" ) == 0 ) || ( strcmp( argv[1], "1" ) == 0 ))
{
instNum = atoi( argv[1] );
argv++;
argc--;
}
}
vcos_init();
if ( vchi_initialise( &vchi_instance ) != 0)
{
printf( "VCHI initialization failed\n" );
return -1;
}
//create a vchi connection
if ( vchi_connect( NULL, 0, vchi_instance ) != 0)
{
printf( "VCHI connection failed\n" );
return -1;
}
vc_vchi_gencmd_init(vchi_instance, &vchi_connection, 1 );
if (argc > 1)
{
int i = 1;
char buffer[ 1024 ];
size_t buffer_offset = 0;
clock_t before=0, after=0;
double time_diff;
uint32_t show_time = 0;
int ret;
//reset the string
buffer[0] = '\0';
//first, strip out a potential leading -t
if( strcmp( argv[1], "-t" ) == 0 )
{
show_time = 1;
i++;
}
for (; i <= argc-1; i++)
{
buffer_offset = vcos_safe_strcpy( buffer, argv[i], sizeof(buffer), buffer_offset );
buffer_offset = vcos_safe_strcpy( buffer, " ", sizeof(buffer), buffer_offset );
}
if( show_time )
before = clock();
//send the gencmd for the argument
if (( ret = vc_gencmd_send( "%s", buffer )) != 0 )
{
printf( "vc_gencmd_send returned %d\n", ret );
}
//get + print out the response!
if (( ret = vc_gencmd_read_response( buffer, sizeof( buffer ) )) != 0 )
{
printf( "vc_gencmd_read_response returned %d\n", ret );
}
if( show_time )
after = clock();
if( show_time )
{
time_diff = ((double) (after - before)) / CLOCKS_PER_SEC;
printf( "Time took %f seconds (%f msecs) (%f usecs)\n", time_diff, time_diff * 1000, time_diff * 1000000 );
}
if ( buffer[0] != '\0' )
{
if ( buffer[ strlen( buffer) - 1] == '\n' )
{
fputs( buffer, stdout );
}
else
{
printf("%s\n", buffer );
}
}
}
vc_gencmd_stop();
//close the vchi connection
if ( vchi_disconnect( vchi_instance ) != 0)
{
printf( "VCHI disconnect failed\n" );
return -1;
}
return 0;
}
