Hitachi H8/Tiny 3664F, User Manual, Page: 42 / 56

HTEB1
User manual
Issue 0.2 Page 42 07/2002
LCD_DATA_CTRL = LCD_IN;
SET_LCD_EN;
status = LCD_DATA_PORT;
CLEAR_LCD_EN;
LCD_DATA_CTRL = LCD_OUT;
return status;
}
void LCDInit(void) // inits the LCD
{
u16 cnt=0;
CLEAR_LCD_RS;
CLEAR_LCD_RW;
CLEAR_LCD_EN;
PCR7 |= 0x30;
// Set RS+RW = Output
PCR2 |= 0x01; // Set EN = Output
LCD_DATA_CTRL = LCD_OUT; // Set DDR to Output
// required 3 times pls. ref. data sheet
LCDWriteCmd(0x38); // 8Bit-IF, 2 Lines, 5x7 character font
while(--cnt);
LCDWriteCmd(0x38); // 8Bit-IF, 2 Lines, 5x7 character font
while(--cnt);
LCDWriteCmd(0x38); // 8Bit-IF, 2 Lines, 5x7 character font
while(--cnt);
LCDWriteCmd(0x38); // 8Bit-IF, 2 Lines, 5x7 character font
while(--cnt);
LCDWriteCmd(0x0c); // DisplayOn, CursorOff, BlinkingOff
LCDReadStatus();
LCDWriteCmd(0x06); // Enter Mode, AutoIncrement
LCDReadStatus();
LCDWriteCmd(0x14); // MoveCursor right
LCDReadStatus();
LCDWriteCmd(0x80); // Set DD RAM Address = 0x00
LCDReadStatus();
}
// writesomedata from 1st position in #line (0/1)
void LCDWriteLine(u8 line, u8 *data)
{
LCDWriteCmd(0x80 + line*0x40); // select line
while (*data)
{
LCDWriteData(*data);
data++;
}
}
#define ADDR_A (*(volatile unsigned short *)(0xFFB0))
#define ADDR_B (*(volatile unsigned short *)(0xFFB2))
u16 Read_AD(u8 channel)
{
u8 dummy;
u16 adval;
dummy = ADCSR;
// dummy read
ADCSR = 0x00; // reset A/D
ADCSR |= (0x20 + (channel &0x01)); // start A/D, channel 0 or 1
while (!(ADCSR & 0x80)); // wait conversion end
if (channel & 0x01) adval = ADDR_B; // read A/D-value
else adval = ADDR_A;
return adval>>6;
}
u8 Line0[] = " A/D#0=P1=0x \0";
u8 Line1[] = " A/D#1=P2=0x \0";
// convert int to ASCII-HEX
void ShowHexValue(u16 code, u8 line)