User manual

504
mikoC PRO for PIC32
MikroElektronika
Library Example
Default Pin Conguration
Use SPI_Lcd_Init for default pin settings (see the rst gure below).
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char *text = "mikroElektronika";
// Port Expander module connections
sbit SPExpanderRST at LATD8_bit;
sbit SPExpanderCS at LATD9_bit;
sbit SPExpanderRST_Direction at TRISD8_bit;
sbit SPExpanderCS_Direction at TRISD9_bit;
// End Port Expander module connections
char i; // Loop variable
void Move_Delay() { // Function used for text moving
Delay_ms(500); // You can change the moving speed here
}
void main() {
CHECON = 0x32;
AD1PCFG = 0xFFFF; // Congure AN pins as digital
// If Port Expander Library uses SPI2 module
// Initialize SPI module used with PortExpander
SPI2_Init_Advanced(_SPI_MASTER,_SPI_8_BIT, 4, _SPI_SS_DISABLE,_SPI_DATA_SAMPLE_MIDDLE,_
SPI_CLK_IDLE_LOW,_SPI_ACTIVE_2_IDLE);
SPI_Lcd_Cong(0); // Initialize Lcd over SPI interface
SPI_Lcd_Cmd(_LCD_CLEAR); // Clear display
SPI_Lcd_Cmd(_LCD_CURSOR_OFF); // Turn cursor off
SPI_Lcd_Out(1,6, "mikroE"); // Print text to Lcd, 1st row, 6th column
SPI_Lcd_Chr_CP('!'); // Append '!'
SPI_Lcd_Out(2,1, text); // Print text to Lcd, 2nd row, 1st column
// SPI_Lcd_Out(3,1,"mikroE"); // For Lcd with more than two rows
// SPI_Lcd_Out(4,15,"mikroE"); // For Lcd with more than two rows
Delay_ms(2000);
// Moving text
for(i=0; i<4; i++) { // Move text to the right 4 times
Spi_Lcd_Cmd(_LCD_SHIFT_RIGHT);
Move_Delay();
}
while(1) { // Endless loop
for(i=0; i<8; i++) { // Move text to the left 7 times
Spi_Lcd_Cmd(_LCD_SHIFT_LEFT);
Move_Delay();
}
for(i=0; i<8; i++) { // Move text to the right 7 times
Spi_Lcd_Cmd(_LCD_SHIFT_RIGHT);
Move_Delay();
}
}
}