static void prvSetupLCD(void)
{
/* Wait for proper power up. */
vTaskDelay( lcdLONG_DELAY );
/* Open the PMP port */
mPMPOpen((PMP_ON | PMP_READ_WRITE_EN | PMP_CS2_CS1_EN |
PMP_LATCH_POL_HI | PMP_CS2_POL_HI | PMP_CS1_POL_HI |
PMP_WRITE_POL_HI | PMP_READ_POL_HI),
(PMP_MODE_MASTER1 | PMP_WAIT_BEG_4 | PMP_WAIT_MID_15 |
PMP_WAIT_END_4),
PMP_PEN_0, 0);
/* Wait for the LCD to power up correctly. */
vTaskDelay( lcdLONG_DELAY );
vTaskDelay( lcdLONG_DELAY );
vTaskDelay( lcdLONG_DELAY );
/* Set up the LCD function. */
prvLCDCommand( LCD_FUNCTION_SET_CMD | LCD_FUNCTION_SET_8_BITS | LCD_FUNCTION_SET_2_LINES | LCD_FUNCTION_SET_LRG_FONT );
/* Turn the display on. */
prvLCDCommand( LCD_DISPLAY_CTRL_CMD | LCD_DISPLAY_CTRL_DISPLAY_ON );
/* Clear the display. */
prvLCDCommand( LCD_CLEAR_DISPLAY_CMD );
vTaskDelay( lcdLONG_DELAY );
/* Increase the cursor. */
prvLCDCommand( LCD_ENTRY_MODE_CMD | LCD_ENTRY_MODE_INCREASE );
vTaskDelay( lcdLONG_DELAY );
vTaskDelay( lcdLONG_DELAY );
vTaskDelay( lcdLONG_DELAY );
}
static void prvLCDGotoRow( unsigned short usRow )
{
if( usRow == 0 )
{
prvLCDCommand( lcdHOME );
}
else
{
prvLCDCommand( lcdLINE2 );
}
}
static void prvLCDGotoRow( unsigned short usRow )
{
if(usRow == 0)
{
prvLCDCommand( LCD_CURSOR_HOME_CMD );
}
else
{
prvLCDCommand( LCD_NEW_LINE );
}
}
static void prvSetupLCD( void )
{
/* Wait for proper power up. */
vTaskDelay( lcdLONG_DELAY );
/* Set initial states for the data and control pins */
LATE &= 0xFF00;
/* R/W state set low. */
lcdRW = 0;
/* lcdRS state set low. */
lcdRS = 0;
/* lcdE state set low. */
lcdE = 0;
/* Set data and control pins to outputs */
TRISE &= 0xFF00;
/* lcdRW pin set as output. */
RW_TRIS = 0;
/* lcdRS pin set as output. */
RS_TRIS = 0;
/* lcdE pin set as output. */
E_TRIS = 0;
/* 1st LCD initialization sequence */
lcdDATA &= 0xFF00;
lcdDATA |= 0x0038;
lcdE = 1;
Nop();
Nop();
Nop();
/* Toggle lcdE signal. */
lcdE = 0;
vTaskDelay( lcdSHORT_DELAY );
vTaskDelay( lcdSHORT_DELAY );
vTaskDelay( lcdSHORT_DELAY );
/* 2nd LCD initialization sequence */
lcdDATA &= 0xFF00;
lcdDATA |= 0x0038;
lcdE = 1;
Nop();
Nop();
Nop();
/* Toggle lcdE signal. */
lcdE = 0;
vTaskDelay( lcdSHORT_DELAY );
/* 3rd LCD initialization sequence */
lcdDATA &= 0xFF00;
lcdDATA |= 0x0038;
lcdE = 1;
Nop();
Nop();
Nop();
/* Toggle lcdE signal. */
lcdE = 0;
vTaskDelay( lcdSHORT_DELAY );
/* Function set. */
prvLCDCommand( 0x38 );
/* Display on/off control, cursor blink off (0x0C). */
prvLCDCommand( 0x0C );
/* Entry mode set (0x06). */
prvLCDCommand( 0x06 );
prvLCDCommand( lcdCLEAR );
}
static void prvLCDClear( void )
{
prvLCDCommand( lcdCLEAR );
}
static void prvLCDClear(void)
{
prvLCDCommand(LCD_CLEAR_DISPLAY_CMD);
}