/*
* Show all tasks and their states that are
* running on the OS. */
void cmd_ps()
{
char listBuf[512] = {0};
sPuts( "Name\t State Priority Stack Num" );
vTaskList( listBuf );
print_to_console( listBuf );
}
static void printbuf_dump(struct print_buf *pb)
{
int len;
if (!pb->buf) {
printk("*** PRINT BUFFER NOT ALLOCATED ***");
return;
}
/* Dump print buffer from char after cursor to end (if used) */
len = pb->buf + pb->size - pb->crs - 2;
if ((pb->buf[pb->size - 1] == 0) && (len > 0))
print_to_console(pb->crs + 1, len);
/* Dump print buffer from start to cursor (always) */
len = pb->crs - pb->buf;
print_to_console(pb->buf, len);
}
/* Display the content of the file specified. */
void cmd_cat( const char *filename )
{
char buffer[129];
int fd = fs_open( filename, 0, O_RDONLY ), count;
if ( fd < 0 )
{
sPuts( "The file dose not exist!" );
return;
}
while( ( count = fio_read( fd, buffer, sizeof(buffer) - 1 ) ) > 0 )
{
buffer[ count ] = '\0';
print_to_console( buffer );
}
sPuts( "" );
fio_close( fd );
return;
}
void shellEnv()
{
char serial_buf[ MAX_SERIAL_LEN ], ch;
char prompt[] = "LanKuDot@FreeRTOS~$ ", newLine[] = "\n\r";
int curr_pos, done;
/* Infinite loop for running shell environmrnt. */
while (1)
{
/* Show prompt each time waiting for user input. */
print_to_console( prompt );
/* Initialize the relatived variable. */
curr_pos = 0;
done = 0;
do
{
/* Recieve a byte from the RS232 port ( this call will
* block ).
*/
ch = recieve_byte();
/* If the byte is an end-of-line character, than finish
* the string and indicate we are done.
*/
if ( curr_pos >= MAX_SERIAL_LEN-1 || (ch == '\n') || (ch == '\r') )
{
serial_buf[ curr_pos ] = '\0';
done = -1;
}
/* Backspace key pressed */
else if ( ch == BACKSPACE )
{
/* The char is not at the begin of the line. */
if ( curr_pos != 0 )
{
--curr_pos;
/* Cover the last character with space, and shift the
* cursor left. */
print_to_console( "\b \b" );
}
}
/* Function/Arrow Key pressed */
else if ( ch == ESC )
{
/* Arrow Key: ESC[A ~ ESC[D
* Function Key: ESC[1~ ~ ESC[6~ */
ch = recieve_byte();
if ( ch == '[' )
{
ch = recieve_byte();
if ( ch >= '1' && ch <= '6' )
{
/* Discard '~' */
recieve_byte();
}
continue;
}
}
/* Otherwise, add the character to the response string */
else
{
serial_buf[ curr_pos++ ] = ch;
/* Display the char that just typed */
// print_to_console( &ch ); // Bug: Press 1, print a lot...
fio_write( 1, &ch, 1 );
}
} while ( !done ); // end character recieving loop
/* Direct to the new line */
print_to_console( newLine );
/* Deal with the command! */
getCommand( serial_buf );
} // end infinite while loop
} // end of function shellEnv
void sPuts( const char *str )
{
/* Display the string with new line. */
print_to_console( str );
print_to_console( "\r\n" );
}
void foo(){
std::printf("hello world\n");
print_to_console(); // this could be printed from anything
}
void font::print ( void )
{
print_to_console ( std_out );
}
