Using mode 14:
When using LCD mode 14 this is an example program to show a working solution,
#chip 18F67K40, 8
#option explicit
'PPS Tool version: 0.0.6.3
// Generated for 18f67k40
#startup InitPPS, 85
#define PPSToolPart 18f67k40
Sub InitPPS
#ifdef LCD_HARDWARESPI
SSP1CLKPPS = 0x13; //RC3->MSSP1:SCK1;
RC3PPS = 0x19; //RC3->MSSP1:SCK1;
RC5PPS = 0x1A; //RC5->MSSP1:SDO1;
SSP1DATPPS = 0x14; //RC4->MSSP1:SDI1;
#endif
End Sub
//Constants - LCD connectivity type
#define LCD_IO 14
//Comment out to use software SPI
#define LCD_HARDWARESPI
#define LCD_SPEED FAST
//Optional. Can also select MASTERSLOW or MASTER. The compiler will set automatically.
#define HWSPIMODE MASTERFAST
//These are phyiscal connections from the expander to the LCD. These are automatically set in the library and are shown here purely for clarity.
#define LCD_SPI_EXPD_ADDRESS 0x40
#define LCD_SPI_EXPANDER_E_ADDRESS 0x40 // GPA6 on the expander
#define LCD_SPI_EXPANDER_RS_ADDRESS 0x80 // GPA7 on the expander
//Mandated Pin mappings for LCD IO SPI Expander
#define LCD_SPI_DO portc.5
#define LCD_SPI_SCK portc.3
#define LCD_SPI_CS porta.2
// Optional(s) reset Port.Pin connection to expander, select one.
// #define LCD_SPI_RESET_IN portb.5
#define LCD_SPI_RESET_OUT portb.5
; ----- Main body of program commences here.
ClS
Print "Hello World"
