void cliFunc_lcdTest( char* args )
{
print( NL ); // No \r\n by default after the command is entered
//LCD_initialize();
// Test pattern
uint8_t pattern[] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
uint8_t logo[] = {
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x1f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x03, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03, 0x03, 0x03, 0x03, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0xf8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
};
//uint8_t pattern[] = { 0xFF, 0x00, 0x96, 0xFF, 0x00, 0xFF, 0x00 };
// Write to page D0
//LCD_writeDisplayReg( 0, pattern, sizeof( pattern ) );
for ( uint8_t page = 0; page < LCD_TOTAL_VISIBLE_PAGES; page++ )
{
LCD_writeDisplayReg( page, &logo[page * LCD_PAGE_LEN], LCD_PAGE_LEN );
}
}
void cliFunc_lcdTest( char* args )
{
// Write default image
for ( uint8_t page = 0; page < LCD_TOTAL_VISIBLE_PAGES; page++ )
LCD_writeDisplayReg( page, (uint8_t *)&STLcdDefaultImage[page * LCD_PAGE_LEN], LCD_PAGE_LEN );
}
void LCD_layerStack_capability( uint8_t state, uint8_t stateType, uint8_t *args )
{
// Display capability name
if ( stateType == 0xFF && state == 0xFF )
{
print("LCD_layerStack_capability");
return;
}
// Parse the layer stack, top to bottom
extern uint16_t macroLayerIndexStack[];
extern uint16_t macroLayerIndexStackSize;
// Only process if the stack size has changed
if ( macroLayerIndexStackSize == LCD_layerStack_prevSize )
{
return;
}
LCD_layerStack_prevSize = macroLayerIndexStackSize;
// Number data for LCD
const uint8_t numbers[10][128] = {
{ STLcdNumber0_define },
{ STLcdNumber1_define },
{ STLcdNumber2_define },
{ STLcdNumber3_define },
{ STLcdNumber4_define },
{ STLcdNumber5_define },
{ STLcdNumber6_define },
{ STLcdNumber7_define },
{ STLcdNumber8_define },
{ STLcdNumber9_define },
};
// Color data for numbers
const uint16_t colors[10][3] = {
{ STLcdNumber0Color_define },
{ STLcdNumber1Color_define },
{ STLcdNumber2Color_define },
{ STLcdNumber3Color_define },
{ STLcdNumber4Color_define },
{ STLcdNumber5Color_define },
{ STLcdNumber6Color_define },
{ STLcdNumber7Color_define },
{ STLcdNumber8Color_define },
{ STLcdNumber9Color_define },
};
// Only display if there are layers active
if ( macroLayerIndexStackSize > 0 )
{
// Set the color according to the "top-of-stack" layer
uint16_t layerIndex = macroLayerIndexStack[ macroLayerIndexStackSize - 1 ];
FTM0_C0V = colors[ layerIndex ][0];
FTM0_C1V = colors[ layerIndex ][1];
FTM0_C2V = colors[ layerIndex ][2];
// Iterate through each of the pages
// XXX Many of the values here are hard-coded
// Eventually a proper font rendering engine should take care of things like this... -HaaTa
for ( uint8_t page = 0; page < LCD_TOTAL_VISIBLE_PAGES; page++ )
{
// Set the register page
LCD_writeControlReg( 0xB0 | ( 0x0F & page ) );
// Set starting address
LCD_writeControlReg( 0x10 );
LCD_writeControlReg( 0x00 );
// Write data
for ( uint16_t layer = 1; layer <= macroLayerIndexStackSize; layer++ )
{
layerIndex = macroLayerIndexStack[ macroLayerIndexStackSize - layer ];
// Default to 0, if over 9
if ( layerIndex > 9 )
{
layerIndex = 0;
}
// Write page of number to display
SPI_write( (uint8_t*)&numbers[ layerIndex ][ page * 32 ], 32 );
}
// Blank out rest of display
uint8_t data = 0;
for ( uint8_t c = 0; c < 4 - macroLayerIndexStackSize; c++ )
{
for ( uint8_t byte = 0; byte < 32; byte++ )
{
SPI_write( &data, 1 );
}
}
}
}
else
{
// Set default backlight
FTM0_C0V = STLcdBacklightRed_define;
FTM0_C1V = STLcdBacklightGreen_define;
FTM0_C2V = STLcdBacklightBlue_define;
// Write default image
for ( uint8_t page = 0; page < LCD_TOTAL_VISIBLE_PAGES; page++ )
LCD_writeDisplayReg( page, (uint8_t *)&STLcdDefaultImage[page * LCD_PAGE_LEN], LCD_PAGE_LEN );
}
}
// Setup
inline void LCD_setup()
{
// Register Scan CLI dictionary
CLI_registerDictionary( lcdCLIDict, lcdCLIDictName );
// Initialize SPI
SPI_setup();
// Setup Register Control Signal (A0)
// Start in display register mode (1)
GPIOC_PDDR |= (1<<7);
PORTC_PCR7 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
GPIOC_PSOR |= (1<<7);
// Setup LCD Reset pin (RST)
// 0 - Reset, 1 - Normal Operation
// Start in normal mode (1)
GPIOC_PDDR |= (1<<8);
PORTC_PCR8 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(1);
GPIOC_PSOR |= (1<<8);
// Run LCD intialization sequence
LCD_initialize();
// Write default image to LCD
for ( uint8_t page = 0; page < LCD_TOTAL_VISIBLE_PAGES; page++ )
LCD_writeDisplayReg( page, (uint8_t*)&STLcdDefaultImage[page * LCD_PAGE_LEN], LCD_PAGE_LEN );
// Setup Backlight
SIM_SCGC6 |= SIM_SCGC6_FTM0;
FTM0_CNT = 0; // Reset counter
// PWM Period
// 16-bit maximum
FTM0_MOD = 0xFFFF;
// Set FTM to PWM output - Edge Aligned, Low-true pulses
FTM0_C0SC = 0x24; // MSnB:MSnA = 10, ELSnB:ELSnA = 01
FTM0_C1SC = 0x24;
FTM0_C2SC = 0x24;
// Base FTM clock selection (72 MHz system clock)
// @ 0xFFFF period, 72 MHz / (0xFFFF * 2) = Actual period
// Higher pre-scalar will use the most power (also look the best)
// Pre-scalar calculations
// 0 - 72 MHz -> 549 Hz
// 1 - 36 MHz -> 275 Hz
// 2 - 18 MHz -> 137 Hz
// 3 - 9 MHz -> 69 Hz (Slightly visible flicker)
// 4 - 4 500 kHz -> 34 Hz (Visible flickering)
// 5 - 2 250 kHz -> 17 Hz
// 6 - 1 125 kHz -> 9 Hz
// 7 - 562 500 Hz -> 4 Hz
// Using a higher pre-scalar without flicker is possible but FTM0_MOD will need to be reduced
// Which will reduce the brightness range
// System clock, /w prescalar setting
FTM0_SC = FTM_SC_CLKS(1) | FTM_SC_PS( STLcdBacklightPrescalar_define );
// Red
FTM0_C0V = STLcdBacklightRed_define;
PORTC_PCR1 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(4);
// Green
FTM0_C1V = STLcdBacklightGreen_define;
PORTC_PCR2 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(4);
// Blue
FTM0_C2V = STLcdBacklightBlue_define;
PORTC_PCR3 = PORT_PCR_SRE | PORT_PCR_DSE | PORT_PCR_MUX(4);
}