uint8_t PingPongLEDPulse; /**< Milliseconds remaining for enumeration Tx/Rx ping-pong LED pulse */\r
} PulseMSRemaining;\r
\r
+/** Previous state of the virtual DTR control line from the host */\r
+bool PreviousDTRState = false;\r
+\r
/** LUFA CDC Class driver interface configuration and state information. This structure is\r
* passed to all CDC Class driver functions, so that multiple instances of the same class\r
* within a device can be differentiated from one another.\r
MCUSR &= ~(1 << WDRF);\r
wdt_disable();\r
\r
- /* Disable clock division */\r
- clock_prescale_set(clock_div_1);\r
-\r
/* Hardware Initialization */\r
Serial_Init(9600, false);\r
LEDs_Init();\r
*/\r
void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)\r
{\r
+ bool CurrentDTRState = (CDCInterfaceInfo->State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR);\r
+\r
/* Check if the DTR line has been asserted - if so, start the target AVR's reset pulse */\r
- if (CDCInterfaceInfo->State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR)\r
+ if (!(PreviousDTRState) && CurrentDTRState)\r
{\r
LEDs_SetAllLEDs(LEDMASK_BUSY);\r
\r
AVR_RESET_LINE_DDR |= AVR_RESET_LINE_MASK;\r
PulseMSRemaining.ResetPulse = AVR_RESET_PULSE_MS;\r
}\r
+ \r
+ PreviousDTRState = CurrentDTRState;\r
}\r