void ST7558::init(void) {
Wire.begin();
colstart= 0x80;
rowstart= 0x40;
hwReset();
i2cwrite(cmd_init, sizeof(cmd_init));
// set up a bounding box for screen updates
updateBoundingBox(0, 0, _width-1, _height-1);
}
bool CLASS::increaseActivationLevel( UInt32 newLevel )
{
bool success = false;
switch (newLevel)
{
case kActivationLevelKDP:
if ((fPCINub == 0) || (fPCINub->open(this) == false))
{
ERROR_LOG("%s: open provider failed\n", getName());
break;
}
// Allocate software runtime resources.
if (swInit() == false)
{
ERROR_LOG("%s: swInit failed\n", getName());
break;
}
// Issue hardware soft reset.
if (hwReset() == false)
{
ERROR_LOG("%s: hwReset failed\n", getName());
break;
}
// Configure hardware but keep it disabled.
hwInit();
// PHY and link layer programming.
if (phySelectMedium(getSelectedMedium(), true) !=
kIOReturnSuccess)
{
ERROR_LOG("%s: phySelectMedium error\n", getName());
}
// Enable transmit + receive.
WriteReg(CR, CR_TXE | CR_RXE);
fWatchdogTimer->setTimeoutMS(kWatchdogTimerPeriodMS);
success = true;
break;
case kActivationLevelBSD:
fTransmitQueue->setCapacity(kTransmitQueueCapacity);
fTransmitQueue->start();
enableHardwareInterrupts();
success = true;
break;
}
return success;
}