User manual

mikroC PRO for dsPIC
MikroElektronika
435
text[1] = (temp_whole/10)%10 + 48; // Extract tens digit
text[2] = temp_whole%10 + 48; // Extract ones digit
// extract temp_fraction and convert it to unsigned int
temp_fraction = temp2write << (4-RES_SHIFT);
temp_fraction &= 0x000F;
temp_fraction *= 625;
// convert temp_fraction to characters
text[4] = temp_fraction/1000 + 48; // Extract thousands digit
text[5] = (temp_fraction/100)%10 + 48; // Extract hundreds digit
text[6] = (temp_fraction/10)%10 + 48; // Extract tens digit
text[7] = temp_fraction%10 + 48; // Extract ones digit
// print temperature on LCD
Lcd_Out(2, 5, text);
}
void main() {
ADPCFG = 0xFFFF; // Congure AN pins as digital
Lcd_Init(); // Initialize LCD
Lcd_Cmd(_LCD_CLEAR); // Clear LCD
Lcd_Cmd(_LCD_CURSOR_OFF); // Turn cursor off
Lcd_Out(1, 1, " Temperature: ");
// Print degree character, 'C' for Centigrades
Lcd_Chr(2,13,223); // different LCD displays have different char code for degree
// if you see greek alpha letter try typing 178 instead of 223
Lcd_Chr(2,14,'C');
//--- main loop
do {
//--- perform temperature reading
Ow_Reset(&PORTF, 6); // Onewire reset signal
Ow_Write(&PORTF, 6, 0xCC); // Issue command SKIP_ROM
Ow_Write(&PORTF, 6, 0x44); // Issue command CONVERT_T
Delay_us(120);
Ow_Reset(&PORTF, 6);
Ow_Write(&PORTF, 6, 0xCC); // Issue command SKIP_ROM
Ow_Write(&PORTF, 6, 0xBE); // Issue command READ_SCRATCHPAD
Delay_ms(400);
temp = Ow_Read(&PORTF, 6);
temp = (Ow_Read(&PORTF, 6) << 8) + temp;
//--- Format and display result on Lcd
Display_Temperature(temp);
Delay_ms(500);
} while (1);
}