/**
* Prints character to LCD with support for character wrapping
*
* Inputs: db character to print
*/
static void lcdPrint(char db) {
if (pos==16) lcdGoTo(1, 0);
if (pos==32) lcdGoTo(2, 0);
if (pos==48) lcdGoTo(3, 0);
if (pos==64) lcdGoTo(0, 0);
lcdWrite(db, 1);
pos++;
}
void print_i2c_inbuff(){
lcdGoTo(0);
lcd_init();
while(!ringbuffer_is_empty()){
lcdChar(ringbuffer_get());
}
print_hello_world();
}
void system6_LCD_RINGBUFFER(){
if(state==1){
SSP1CON1bits.SSPEN = 0; // 0 = Disables serial port and configures these pins as I/O port pins
lcd_init();
state = 2;
} else if(state==2){
lcdGoTo(0);
if(!ringbuffer_is_empty()){
lcdChar(ringbuffer_get());
} else {
lcdChar('N');
lcdChar('o');
lcdChar('n');
lcdChar('e');
}
state = 3;
} else if (state ==3){
delay_1MSx(500);
LATD ^= 0xFF;
delay_1MSx(500);
LATD ^= 0xFF;
}
}
void println(char * string){
clearLCD();
lcdGoTo(0);
Serial.println(string);
}
void println(long string){
clearLCD();
lcdGoTo(0);
Serial.println(string);
}
void println(double string){
clearLCD();
lcdGoTo(0);
Serial.println(string);
}
void main(void) {
char packet[] = {'T', 'e', 's', 't'};
unsigned char i = 0;
unsigned char packet_size = sizeof (packet) / sizeof (packet[0]);
unsigned char cArray[10]
= {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J'};
// temporary local array
unsigned char writtenArray[10];
// local variables for all test cases and their initialisation
unsigned char chData;
unsigned char *pReadArray;
unsigned char *pWriteArray;
unsigned char j = 0;
unsigned char i = 0;
pReadArray = pWriteArray = writtenArray;
/* Configure the oscillator for the device */
ConfigureOscillator();
/* Initialize I/O and Peripherals for application */
InitApp();
// LCD test
TRISAbits.RA2 = 0; // our chip select pin needs to be an output so that we can toggle it
CS = 1; // set CS pin to high, meaning we are sending any information to the MCP23S17 chip
// configure SPI: the MCP23S17 chip's max frequency is 10MHz, let's use 10MHz/64 (Note FOSC=10Mhz, our external oscillator)
OpenSPI1(SPI_FOSC_64, MODE_10, SMPEND); // frequency, master-slave mode, sampling type
// set LCD pins DB0-DB7 as outputs
setIODIR(IODIRB_ADDRESS, 0x00);
// set RS and E LCD pins as outputs
setIODIR(IODIRA_ADDRESS, 0x00);
// RS=0, E=0
setGPIO(IODIRA_ADDRESS, 0x00);
// Function set: 8 bit, 2 lines, 5x8
lcdCommand(0b00111111);
// Cursor or Display Shift
lcdCommand(0b00001111);
// clear display
lcdCommand(0b00000001);
// entry mode
lcdCommand(0b00000110);
// send characters
lcdWriteString((unsigned char *) "Waiting..."); // using the string function
lcdGoTo(0x40); // go to line two
/*lcdChar('S'); // using the single character function
lcdChar('P');
lcdChar('I');
lcdChar(' ');
lcdChar('L');
lcdChar('i');
lcdChar('b');
lcdChar('r');
lcdChar('a');
lcdChar('r');
lcdChar('y');
*/
///////////////////////////////////////////////////
/* TODO <INSERT USER APPLICATION CODE HERE> */
/*
while(1)
{
i = 0;
do {
UARTIntPutChar(packet[i++]);
} while (i < packet_size);
while (!vUARTIntStatus.UARTIntTxBufferEmpty);
Delay10KTCYx(1000);
}
*/
TRISD = 0;
PORTD = 0;
while (1) {
/*
for (j = 0; j < 100; j++) {
i = 0;
do {
if (vUARTIntStatus.UARTIntTxBufferEmpty)
UARTIntPutChar(cArray[i++]);
} while (i < 10);
}
*/
if (!(vUARTIntStatus.UARTIntRxError) &&
!(vUARTIntStatus.UARTIntRxOverFlow) &&
!(vUARTIntStatus.UARTIntRxBufferEmpty)) {
if (UARTIntGetChar(&chData)) {
PORTD = chData;
lcdChar(chData);
}
}
}
}
/**
* Clears LCD screen
*/
void lcdClear() {
lcdWrite(LCD_CMD_CLEAR, 0);
lcdBusyWait();
delay_us(LCD_DELAY_SHORT);
lcdGoTo(0,0);
}