#include <rtthread.h>
#include "LPC177x_8x.h"
#include "lpc177x_8x_pinsel.h"
/* LCD BL P5_4 */
void rt_hw_lcd_init(void)
{
PINSEL_ConfigPin(5, 4, 0);
LPC_GPIO5->DIR |= 1<<4;
LPC_GPIO5->CLR = 1<<4;
LPC_GPIO5->SET = 1<<4;
}