/*********************************************************************
*
* _InitController
*
* Purpose:
* Initializes the display controller
*/
static void _InitController(void) {
#ifndef WIN32
LCD_X_Init();
_Write0(0x94); // Exit sleep mode
_Write0(0xD1); // Internal oscillator on
_Write0(0xF7); // Mono selection
_Write1(0x00); // ''
_Write1(0x0E); // ''
_Write1(0x41); // ''
_Write0(0xBB); // COM output scan direction
_Write1(0x01); // COM0->COM64, COM129->COM65
_Write0(0xBC); // Data output scan direction
_Write1(0x00); // Normal page/column
_Write1(0x24); // Gray scale setting
_Write1(0x00); // PWM
_Write0(0xCA); // Display control set
_Write1(0x00); // Dummy
_Write1(0x1F); // Duty = 1/128
_Write1(0x00); // Dummy
_Write0(0x81); // Contrast level
_Write1(0x10); // X0-5: 010000
_Write1(0x07); // Y0-2: 111
_Write0(0x20); // Power control register set
_Write1(0x07); // 5x booster
_Write0(0xFB); // Set biasing ratio
_Write1(0x02); // 1/11 bias
_Write0(0xAF); // Display on
#endif
}
/*********************************************************************
*
* _WriteM0
*
* Purpose:
* Write multiple bytes to controller, with A0 = 0
*/
static void _WriteM0(unsigned char * pData, int NumItems) {
do {
_Write0(*pData++);
} while (--NumItems);
}
/*********************************************************************
*
* _InitController
*
* Purpose:
* Initializes the display controller
*/
static void _InitController(void) {
#ifndef WIN32
#define BYTES_PER_LINE ((XSIZE_PHYS + 7) >> 2)
LCD_X_Init();
_Write1(0x40); // SYSTEM SET:
_Delay(255); // Wait a while
_Write0((1 << 5) // P1: Screen Origin Compensation: not done.
| (1 << 4) // Reserved
| (0 << 3) // Panel Drive Select: single panel drive
| (0 << 2) // Character Height: 8 pixels
| (0 << 1) // Reserved
| (0 << 0)); // Character Generator Select: CGROM
_Write0((1 << 7) // P2: MOD: two-frame AC drive
| (7 << 0)); // Horizontal Character Size: 8
_Write0((7 << 0)); // P3: Vertical Character Size: 8
_Write0(BYTES_PER_LINE - 1); // P4: Character Bytes Per Row
_Write0(BYTES_PER_LINE + 2); // P5: Total Character Bytes Per Row
_Write0(YSIZE_PHYS - 1); // P6: Frame Height
_Write0(BYTES_PER_LINE); // P7: Horizontal Address Range Register 0
_Write0(0x00); // P8: Horizontal Address Range Register 1
_Write1(0x44); // SCROLL:
_Write0((BYTES_PER_LINE * YSIZE_PHYS) & 0xff); // Screen Block 1 Start Address Register 0 (Text)
_Write0((BYTES_PER_LINE * YSIZE_PHYS) >> 8); // Screen Block 1 Start Address Register 1 (Text)
_Write0(YSIZE_PHYS); // Screen Block 1 Size Register
_Write0(0); // Screen Block 2 Start Address Register 0 (Graphic)
_Write0(0); // Screen Block 2 Start Address Register 0 (Graphic)
_Write0(YSIZE_PHYS); // Screen Block 2 Size Register
_Write1(0x4C); // CSR DIR: Set cursor shift direction to right
_Write1(0x5A); // HDOT SCR:
_Write0(0 << 0); // Horizontal Pixel Scroll bits: 0
_Write1(0x5B); // OVLAY:
_Write0((0 << 4) // two layers are used
| (0 << 3) // screen block 2 and 4 can display graphics
| (0 << 2) // screen block 2 and 4 can display graphics
| (1 << 0)); // Layer Composition Method: Exclusive-OR
_Write1(0x60); // GRAYSCALE
_Write0(0x01); // Bit-Per-Pixel Select bits
#endif
}
