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Add USB Serial Port Callbacks #2469

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Add USB Serial Port Callbacks #2469

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d8d0f4b
improved USB write speeds
embmicro Mar 18, 2014
24068cf
Merge remote-tracking branch 'upstream/master'
embmicro Nov 24, 2014
93434ab
Added USB Serial Port Callbacks
embmicro Nov 24, 2014
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14 changes: 14 additions & 0 deletions hardware/arduino/cores/arduino/CDC.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -61,6 +61,14 @@ int WEAK CDC_GetInterface(u8* interfaceNum)
return USB_SendControl(TRANSFER_PGM,&_cdcInterface,sizeof(_cdcInterface));
}

void WEAK lineCodingEvent(long baud, byte databits, byte parity, byte charFormat)
{
}

void WEAK lineStateEvent(byte linestate)
{
}

bool WEAK CDC_Setup(Setup& setup)
{
u8 r = setup.bRequest;
Expand All @@ -80,13 +88,19 @@ bool WEAK CDC_Setup(Setup& setup)
if (CDC_SET_LINE_CODING == r)
{
USB_RecvControl((void*)&_usbLineInfo,7);
lineCodingEvent(_usbLineInfo.dwDTERate,
_usbLineInfo.bDataBits,
_usbLineInfo.bParityType,
_usbLineInfo.bCharFormat);
return true;
}

if (CDC_SET_CONTROL_LINE_STATE == r)
{
_usbLineInfo.lineState = setup.wValueL;

lineStateEvent(_usbLineInfo.lineState);

// auto-reset into the bootloader is triggered when the port, already
// open at 1200 bps, is closed. this is the signal to start the watchdog
// with a relatively long period so it can finish housekeeping tasks
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