PCDUINO Standard TFT no Touch

i am having some issue with a little TFT screen i just want it to work and nothing

i am trying to get this working from another post

http://www.pcduino.com/?p=449
and this one
http://pcduino.com/forum/index.php?topic=4161.0

Code: [Select]
#include "TFTv2.h"

void setup()
{
TFT_BL_ON; // turn on the background light
Tft.TFTinit(); // init TFT library
Tft.drawString("welcome",30,50,4,RED);
Tft.drawString("to",90,110,4,YELLOW);

}

void loop()
{

}

using the ADAfruit 1.8 TFT Screen 1.8 Color TFT LCD display with MicroSD Card Breakout [ST7735R] : ID 358 : $19.95 : Adafruit Industries, Unique & fun DIY electronics and kits

matching the pins as follow i have not go anything

LCD Breakout -- PCDUINO
VCC - --> 5 Volt
GND ---> Ground
SCL ---> Pin 13 ( D13: SPI serial clock pin)
SDA --> PIN 11 (D11: SPI MOSI pin)
cs---> PIN 5 (D5: TFT_CS, TFT chip select input pin)
ds----> PIN 6 ( D6: TFT_D/C, TFT Data/Command control pin)

using the sample code i do not get anything to show up.

using this library http://www.pcduino.com/wp-content/uploads/2013/03/TFT_LCD_pcDuino.zip

any ideas would be great .

Thanks