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 }
/* ------------------------------------------------------------------------ * * * * _I2C_reset( ) * * * * ------------------------------------------------------------------------ */ Int16 USBSTK5515_I2C_reset( ) { USBSTK5515_I2C_close( ); USBSTK5515_I2C_init( ); 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; }