Arbor Technology M1858, User Manual

Page: 83 / 115

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Appendix
if(temp == 0xFFFFFFFF)
temp = ECU_Read_686C_RAM_
BYTE(0x1604);
if(temp != 0xFFFFFFFF)
{
//backlight off
temp &= 0xBF;
E C U _ W r i t e _ 6 8 6 C _ R A M _
BYTE(0x1604,temp);
}
temp = ECU_Read_686C_RAM_
BYTE(0x1605);
if(temp == 0xFFFFFFFF)
temp = ECU_Read_686C_RAM_
BYTE(0x1605);
if(temp != 0xFFFFFFFF)
{
// TOUCH_SHDN Switch off
temp &= 0xDF;
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BYTE(0x1605,temp);
LCDStatus = 0;
}
}
else if(LCDStatus == 0)
{
temp = ECU_Read_686C_RAM_BYTE(0x1604);
if(temp == 0xFFFFFFFF)
temp = ECU_Read_686C_RAM_
BYTE(0x1604);
if(temp != 0xFFFFFFFF)
{
//backlight on
temp |= 0x40;
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BYTE(0x1604,temp);
LCDStatus = 1;
}
temp = ECU_Read_686C_RAM_
BYTE(0x1605);
if(temp == 0xFFFFFFFF)
temp = ECU_Read_686C_RAM_
BYTE(0x1605);
if(temp != 0xFFFFFFFF)
{
// TOUCH_SHDN Switch off
temp &= 0xDF;
E C U _ W r i t e _ 6 8 6 C _ R A M _