Tera 2I386EW - Page 44

39
Get Input value
Enable WatchDog
BYTE F75111::InterDigitalInput()
{
BYTE byteGPIO1X = 0;
BYTE byteGPIO3X = 0;
BYTE byteData = 0;
this->Read_Byte(F75111_INTERNAL_ADDR,GPIO1X_INPUT_DATA,&byteGPIO1X) ; // Get value from GPIO1X
this->Read_Byte(F75111_INTERNAL_ADDR,GPIO3X_INPUT_DATA,&byteGPIO3X) ; // Get value from GPIO3X
byteGPIO1X = byteGPIO1X & 0xF0; // Mask unuseful value
byteGPIO3X = byteGPIO3X & 0x0F; // Mask unuseful value
byteData = ( byteGPIO1X & 0x10 )? byteData + 0x01 : byteData;
byteData = ( byteGPIO1X & 0x80 )? byteData + 0x02 : byteData;
byteData = ( byteGPIO1X & 0x40 )? byteData + 0x04 : byteData;
byteData = ( byteGPIO3X & 0x01 )? byteData + 0x08 : byteData;
byteData = ( byteGPIO3X & 0x02 )? byteData + 0x10 : byteData;
byteData = ( byteGPIO3X & 0x04 )? byteData + 0x20 : byteData;
byteData = ( byteGPIO3X & 0x08 )? byteData + 0x40 : byteData;
byteData = ( byteGPIO1X & 0x20 )? byteData + 0x80 : byteData; // Get correct DI value from GPIO1X & GPIO3X
return byteData;
}
void F75111_SetWDTEnable (BYTE byteTimer)
{
WriteByte(F75111_INTERNAL_ADDR,WDT_TIMER_RANGE ,byteTimer); // set WatchDog range and timer
WriteByte(F75111_INTERNAL_ADDR,WDT_CONFIGURATION,WDT_TIMEOUT_FLAG | WDT_ENABLE | WDT_PULSE | WDT_PSWIDTH_100MS);
// Enable WatchDog, Setting WatchDog confi gure
}
Disable WatchDog
void F75111_SetWDTDisable ()
{
WriteByte(F75111_INTERNAL_ADDR,WDT_CONFIGURATION,0x00); // Disable WatchDog
}
defi ne F75111 pin in F75111.h
//--------------------------------------------------------------------------------------------------------
#defi ne F75111_INTERNAL_ADDR 0x9C // OnBoard F75111 Chipset
#defi ne F75111_EXTERNAL_ADDR 0x6E // External F75111 Chipset
//--------------------------------------------------------------------------------------------------------
#defi ne F75111_CONFIGURATION 0x03 // Confi gure GPIO13 to WDT2 Function
//--------------------------------------------------------------------------------------------------------
#defi ne GPIO1X_CONTROL_MODE 0x10 // Select Output Mode or Input Mode
#defi ne GPIO2X_CONTROL_MODE 0x20 // Select GPIO2X Output Mode or Input Mode
#defi ne GPIO3X_CONTROL_MODE 0x40 // Select GPIO3X Output Mode or Input Mode