/* ------------------------------------------------------------------------ *
* *
* Int16 printLetter(Uint16 l1,Uint16 l2,Uint16 l3,Uint16 l4) *
* *
* Send 4 bytes representing a Character *
* *
* ------------------------------------------------------------------------ */
Int16 printLetter(Uint16 l1,Uint16 l2,Uint16 l3,Uint16 l4)
{
OSD9616_send(0x40,l1);
OSD9616_send(0x40,l2);
OSD9616_send(0x40,l3);
OSD9616_send(0x40,l4);
OSD9616_send(0x40,0x00);
return 0;
}
/* ------------------------------------------------------------------------ *
* *
* Int16 oled_test() *
* *
* Testing function for the OSD9616 display *
* *
* ------------------------------------------------------------------------ */
Int16 oled_test()
{
Int16 i;
Uint8 cmd[10]; // For multibyte commands
/* Initialize I2C */
USBSTK5515_I2C_init( );
/* Initialize LCD power */
USBSTK5515_GPIO_setDirection( 12, 1 ); // Output
USBSTK5515_GPIO_setOutput( 12, 1 ); // Enable 13V
/* Initialize OSD9616 display */
OSD9616_send(0x00,0x00); // Set low column address
OSD9616_send(0x00,0x10); // Set high column address
OSD9616_send(0x00,0x40); // Set start line address
cmd[0] = 0x00 & 0x00FF; // Set contrast control register
cmd[1] = 0x81;
cmd[2] = 0x7f;
USBSTK5515_I2C_write( OSD9616_I2C_ADDR, cmd, 3 );
OSD9616_send(0x00,0xa1); // Set segment re-map 95 to 0
OSD9616_send(0x00,0xa6); // Set normal display
cmd[0] = 0x00 & 0x00FF; // Set multiplex ratio(1 to 16)
cmd[1] = 0xa8;
cmd[2] = 0x0f;
USBSTK5515_I2C_write( OSD9616_I2C_ADDR, cmd, 3 );
OSD9616_send(0x00,0xd3); // Set display offset
OSD9616_send(0x00,0x00); // Not offset
OSD9616_send(0x00,0xd5); // Set display clock divide ratio/oscillator frequency
OSD9616_send(0x00,0xf0); // Set divide ratio
cmd[0] = 0x00 & 0x00FF; // Set pre-charge period
cmd[1] = 0xd9;
cmd[2] = 0x22;
USBSTK5515_I2C_write( OSD9616_I2C_ADDR, cmd, 3 );
cmd[0] = 0x00 & 0x00FF; // Set com pins hardware configuration
cmd[1] = 0xda;
cmd[2] = 0x02;
USBSTK5515_I2C_write( OSD9616_I2C_ADDR, cmd, 3 );
OSD9616_send(0x00,0xdb); // Set vcomh
OSD9616_send(0x00,0x49); // 0.83*vref
cmd[0] = 0x00 & 0x00FF; //--set DC-DC enable
cmd[1] = 0x8d;
cmd[2] = 0x14;
USBSTK5515_I2C_write( OSD9616_I2C_ADDR, cmd, 3 );
OSD9616_send(0x00,0xaf); // Turn on oled panel
/* Fill page 0 */
OSD9616_send(0x00,0x00); // Set low column address
OSD9616_send(0x00,0x10); // Set high column address
OSD9616_send(0x00,0xb0+0); // Set page for page 0 to page 5
for(i=0;i<128;i++)
{
OSD9616_send(0x40,0xff);
}
/* Write to page 0 */
OSD9616_send(0x00,0x00); // Set low column address
OSD9616_send(0x00,0x10); // Set high column address
OSD9616_send(0x00,0xb0+0); // Set page for page 0 to page 5
for(i=0;i<22;i++)
{
OSD9616_send(0x40,0x00); // Spaces
}
printLetter(0x32,0x49,0x49,0x26); // S
printLetter(0x01,0x7F,0x01,0x01); // T
printLetter(0x7F,0x30,0x0E,0x7F); // N
printLetter(0x41,0x49,0x49,0x7F); // E
printLetter(0x7F,0x06,0x06,0x7F); // M
printLetter(0x3F,0x40,0x40,0x3F); // U
printLetter(0x46,0x29,0x19,0x7F); // R
printLetter(0x01,0x7F,0x01,0x01); // T
printLetter(0x32,0x49,0x49,0x26); // S
printLetter(0x7F,0x30,0x0E,0x7F); // N
printLetter(0x00,0x7F,0x00,0x00); // I
for(i=0;i<5;i++)
{
OSD9616_send(0x40,0x00); // Spaces
}
printLetter(0x32,0x49,0x49,0x26); // S
printLetter(0x7C,0x09,0x0A,0x7C); // A
printLetter(0x63,0x1C,0x1C,0x63); // X
printLetter(0x41,0x49,0x49,0x7F); // E
printLetter(0x01,0x7F,0x01,0x01); // T
for(i=0;i<23;i++)
{
OSD9616_send(0x40,0x00); // Spaces
}
/* Fill page 1*/
OSD9616_send(0x00,0x00); // Set low column address
OSD9616_send(0x00,0x10); // Set high column address
OSD9616_send(0x00,0xb0+1); // Set page for page 0 to page 5
for(i=0;i<128;i++)
{
OSD9616_send(0x40,0xff);
}
/* Write to page 1*/
OSD9616_send(0x00,0x00); // Set low column address
OSD9616_send(0x00,0x10); // Set high column address
OSD9616_send(0x00,0xb0+1); // Set page for page 0 to page 5
for(i=0;i<20;i++)
{
OSD9616_send(0x40,0x00);
}
printLetter(0x41,0x22,0x14,0x7F); // K
printLetter(0x22,0x41,0x41,0x3E); // C
printLetter(0x00,0x7F,0x00,0x00); // I
printLetter(0x01,0x7F,0x01,0x01); // T
printLetter(0x32,0x49,0x49,0x26); // S
for(i=0;i<5;i++)
{
OSD9616_send(0x40,0x00); // Spaces
}
printLetter(0x36,0x49,0x49,0x7F); // B
printLetter(0x32,0x49,0x49,0x26); // S
printLetter(0x3F,0x40,0x40,0x3F); // U
for(i=0;i<5;i++)
{
OSD9616_send(0x40,0x00); // Spaces
}
printLetter(0x06,0x09,0x09,0x7F); // P
printLetter(0x32,0x49,0x49,0x26); // S
printLetter(0x3E,0x41,0x41,0x7F); // D
printLetter(0x43,0x4D,0x51,0x61); // Z
printLetter(0x10,0x58,0x58,0x30); // e
for(i=0;i<5;i++)
{
OSD9616_send(0x40,0x00); // Spaces
}
printLetter(0x31,0x49,0x49,0x2F); // 5
printLetter(0x00,0x7F,0x00,0x00); // 1
printLetter(0x31,0x49,0x49,0x2F); // 5
printLetter(0x31,0x49,0x49,0x2F); // 5
printLetter(0x22,0x41,0x41,0x3E); // C
for(i=0;i<23;i++)
{
OSD9616_send(0x40,0x00); // Spaces
}
/* Set vertical and horizontal scrolling */
cmd[0] = 0x00;
cmd[1] = 0x29; // Vertical and Right Horizontal Scroll
cmd[2] = 0x00; // Dummy byte
cmd[3] = 0x00; // Define start page address
cmd[4] = 0x03; // Set time interval between each scroll step
cmd[5] = 0x01; // Define end page address
cmd[6] = 0x01; // Vertical scrolling offset
OSD9616_multiSend( cmd, 7 );
OSD9616_send(0x00,0x2f);
/* Keep first 8 rows from vertical scrolling */
cmd[0] = 0x00;
cmd[1] = 0xa3; // Set Vertical Scroll Area
cmd[2] = 0x08; // Set No. of rows in top fixed area
cmd[3] = 0x08; // Set No. of rows in scroll area
OSD9616_multiSend( cmd, 4 );
return 0;
}
void LCD_init()
{
Uint8 cmd [10];
USBSTK5515_I2C_init();
USBSTK5515_GPIO_setDirection( 12, 1 ); // Output
USBSTK5515_GPIO_setOutput( 12, 1 ); // Enable 13V
/* Initialize OSD9616 display */
OSD9616_send(0x00,0x00); // Set low column address
OSD9616_send(0x00,0x10); // Set high column address
OSD9616_send(0x00,0x40); // Set start line address
cmd[0] = 0x00 & 0x00FF; // Set contrast control register
cmd[1] = 0x81;
cmd[2] = 0x7f;
USBSTK5515_I2C_write( OSD9616_I2C_ADDR, cmd, 3 );
OSD9616_send(0x00,0xa0); // Set segment re-map 95 to 0
OSD9616_send(0x00,0xa6); // Set normal display
cmd[0] = 0x00 & 0x00FF; // Set multiplex ratio(1 to 16)
cmd[1] = 0xa8;
cmd[2] = 0x0f;
USBSTK5515_I2C_write( OSD9616_I2C_ADDR, cmd, 3 );
OSD9616_send(0x00,0xd3); // Set display offset
OSD9616_send(0x00,0x00); // Not offset
OSD9616_send(0x00,0xd5); // Set display clock divide ratio/oscillator frequency
OSD9616_send(0x00,0xf0); // Set divide ratio
cmd[0] = 0x00 & 0x00FF; // Set pre-charge period
cmd[1] = 0xd9;
cmd[2] = 0x22;
USBSTK5515_I2C_write( OSD9616_I2C_ADDR, cmd, 3 );
cmd[0] = 0x00 & 0x00FF; // Set com pins hardware configuration
cmd[1] = 0xda;
cmd[2] = 0x02;
USBSTK5515_I2C_write( OSD9616_I2C_ADDR, cmd, 3 );
OSD9616_send(0x00,0xdb); // Set vcomh
OSD9616_send(0x00,0x49); // 0.83*vref
cmd[0] = 0x00 & 0x00FF; //--set DC-DC enable
cmd[1] = 0x8d;
cmd[2] = 0x14;
USBSTK5515_I2C_write( OSD9616_I2C_ADDR, cmd, 3 );
OSD9616_send(0x00,0xaf); // Turn on oled panel
OSD9616_send(0x00,0x2E); //stops scrolling if there is any
}