Add extra LUFA TAR archive export exclusions.

[pub/USBasp.git] / Projects / AVRISP-MKII / Lib / V2Protocol.c

diff --git a/Projects/AVRISP-MKII/Lib/V2Protocol.c b/Projects/AVRISP-MKII/Lib/V2Protocol.c
index 780c48a..f485810 100644 (file)
--- a/Projects/AVRISP-MKII/Lib/V2Protocol.c
+++ b/Projects/AVRISP-MKII/Lib/V2Protocol.c
@@ -44,10 +44,12 @@ bool MustLoadExtendedAddress;
 
 
 /** ISR to manage timeouts whilst processing a V2Protocol command */
-ISR(WDT_vect, ISR_BLOCK)
+ISR(TIMER0_COMPA_vect, ISR_NOBLOCK)
 {
-       TimeoutExpired = true;
-       wdt_disable();
+       if (TimeoutTicksRemaining)
+         TimeoutTicksRemaining--;
+       else
+         TCCR0B = 0;
 }
 
 /** Initializes the hardware and software associated with the V2 protocol command handling. */
@@ -60,6 +62,11 @@ void V2Protocol_Init(void)
        ADC_StartReading(VTARGET_REF_MASK | ADC_RIGHT_ADJUSTED | VTARGET_ADC_CHANNEL_MASK);
        #endif
 
+       /* Timeout timer initialization (~10ms period) */
+       OCR0A  = (((F_CPU / 1024) / 100) - 1);
+       TCCR0A = (1 << WGM01);
+       TIMSK0 = (1 << OCIE0A);
+
        V2Params_LoadNonVolatileParamValues();
 
        #if defined(ENABLE_ISP_PROTOCOL)
@@ -75,10 +82,9 @@ void V2Protocol_ProcessCommand(void)
 {
        uint8_t V2Command = Endpoint_Read_8();
 
-       /* Start the watchdog with timeout interrupt enabled to manage the timeout */
-       TimeoutExpired = false;
-       wdt_enable(WDTO_1S);
-       WDTCSR |= (1 << WDIE);
+       /* Reset timeout counter duration and start the timer */
+       TimeoutTicksRemaining = COMMAND_TIMEOUT_TICKS;
+       TCCR0B = ((1 << CS02) | (1 << CS00));   
 
        switch (V2Command)
        {
@@ -140,8 +146,8 @@ void V2Protocol_ProcessCommand(void)
                        break;
        }
 
-       /* Disable the timeout management watchdog timer */
-       wdt_disable();
+       /* Disable the timeout management timer */
+       TCCR0B = 0;
 
        Endpoint_WaitUntilReady();
        Endpoint_SelectEndpoint(AVRISP_DATA_OUT_EPNUM);