void checkGPSUart(void)
{
mychar = uart1Getch();
if (mychar != -1)
parseGPS((unsigned char)mychar);
}
boolean getCANFrame( uint32_t *pid, uint8_t *psize, uint8_t *pData )
{
int i;
int c;
char * pEnd;
static char canmsg[ 50 ];
static int cnt;
static boolean bMsg = false;
// Must be valid pointers
if ( NULL == pid ) return false;
if ( NULL == psize ) return false;
if ( NULL == pData ) return false;
// If no character in the queue => No message
while ( -1 != ( c = uart1Getch() ) ) {
if ( bMsg ) {
if ( 0x0d == c ) {
// A full frame received
// Format iiiiiiiidxxxxxxxxxxxxxxxx
// iiiiiiii - id
// d - Number of databytes
// xxx....databytes
// Get datacount first
*psize = ( canmsg[ 8 ] - 0x30 );
canmsg[ 8 ] = 0;
*pid = strtoul( canmsg, &pEnd, 16 );
strcpy( canmsg, canmsg + 9 );
for ( i=*psize-1; i>=0; i-- ) {
pData[ i ] = (unsigned char)strtoul( canmsg + 2 * i, &pEnd, 16 );
canmsg[ 2 * i ] = 0;
}
SendCANFrame( *pid, *psize, pData );
cnt = 0;
bMsg = false;
return true;
}
else {
canmsg[ cnt ] = (char)c;
cnt++;
canmsg[ cnt ] = 0;
if ( cnt > sizeof( canmsg ) ) {
// Something is wrong - start again (no frame is this long)
cnt = 0;
bMsg = false;
}
}
}
else {
if ( 'T' == c ) {
bMsg = true; // We have a message
cnt = 0;
}
}
}
return false;
}
int main(void)
{
int ch;
int8_t res;
systemInit();
gpioInit();
uart1Init(UART_BAUD(BAUD), UART_8N1, UART_FIFO_8); // setup the UART
uart1Puts("\r\nMMC/SD Card Filesystem Test (P:LPC2138 L:EFSL)\r\n");
uart1Puts("efsl LPC2000-port and this Demo-Application\r\n");
uart1Puts("done by Martin Thomas, Kaiserslautern, Germany\r\n");
/* init efsl debug-output */
lpc2000_debug_devopen(uart1Putch);
ledToggle();
rprintf("CARD init...");
if ( ( res = efs_init( &efs, 0 ) ) != 0 ) {
rprintf("failed with %i\n",res);
}
else {
rprintf("ok\n");
rprintf("Directory of 'root':\n");
ls_openDir( &list, &(efs.myFs) , "/");
while ( ls_getNext( &list ) == 0 ) {
list.currentEntry.FileName[LIST_MAXLENFILENAME-1] = '\0';
rprintf( "%s ( %li bytes )\n" ,
list.currentEntry.FileName,
list.currentEntry.FileSize ) ;
}
if ( file_fopen( &filer, &efs.myFs , LogFileName , 'r' ) == 0 ) {
rprintf("File %s open. Content:\n", LogFileName);
while ( ( e = file_read( &filer, 512, buf ) ) != 0 ) {
buf[e]='\0';
uart1Puts((char*)buf);
}
rprintf("\n");
file_fclose( &filer );
}
if ( file_fopen( &filew, &efs.myFs , LogFileName , 'a' ) == 0 ) {
rprintf("File %s open for append. Appending...", LogFileName);
strcpy((char*)buf, "Martin hat's angehaengt\r\n");
if ( file_write( &filew, strlen((char*)buf), buf ) == strlen((char*)buf) ) {
rprintf("ok\n");
}
else {
rprintf("fail\n");
}
file_fclose( &filew );
}
if ( file_fopen( &filer, &efs.myFs , LogFileName , 'r' ) == 0 ) {
rprintf("File %s open. Content:\n", LogFileName);
while ( ( e = file_read( &filer, 512, buf ) ) != 0 ) {
buf[e]='\0';
uart1Puts((char*)buf);
}
rprintf("\n");
file_fclose( &filer );
}
fs_umount( &efs.myFs ) ;
}
while(1) {
if ((ch = uart1Getch()) >= 0) {
uart1Puts("You pressed : ");
uart1Putch(ch);
uart1Puts("\r\n");
if ( ch == 'M' ) {
rprintf("Creating FS\n");
mkfs_makevfat(&efs.myPart);
}
ledToggle();
}
}
return 0; /* never reached */
}
