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More fixes to the AVRISP command timeout system so that it should no longer lock up while processing command no matter what the conditions.

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This commit is contained in:
Dean Camera 2010-02-21 06:26:33 +00:00
parent 12a01ed72d
commit e322f14620
8 changed files with 58 additions and 31 deletions
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9
Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c
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@ -350,7 +350,6 @@ uint8_t XPROGTarget_ReceiveByte(void)
#if defined(XPROG_VIA_HARDWARE_USART)
/* Wait until a byte has been received before reading */
uint8_t TimeoutMSRemaining = 100;
while (!(UCSR1A & (1 << RXC1)) && TimeoutMSRemaining)
{
/* Manage software timeout */
@ -365,7 +364,6 @@ uint8_t XPROGTarget_ReceiveByte(void)
#else
/* Wait until a byte has been received before reading */
SoftUSART_BitCount = BITS_IN_USART_FRAME;
uint8_t TimeoutMSRemaining = 100;
while (SoftUSART_BitCount && TimeoutMSRemaining)
{
/* Manage software timeout */
@ -376,6 +374,9 @@ uint8_t XPROGTarget_ReceiveByte(void)
}
}
if (TimeoutMSRemaining)
TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
/* Throw away the parity and stop bits to leave only the data (start bit is already discarded) */
return (uint8_t)SoftUSART_Data;
#endif
@ -468,7 +469,6 @@ static void XPROGTarget_SetRxMode(void)
}
/* Wait until DATA line has been pulled up to idle by the target */
uint8_t TimeoutMSRemaining = 100;
while (!(BITBANG_PDIDATA_PIN & BITBANG_PDIDATA_MASK) && TimeoutMSRemaining)
{
/* Manage software timeout */
@ -480,6 +480,9 @@ static void XPROGTarget_SetRxMode(void)
}
#endif
if (TimeoutMSRemaining)
TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
IsSending = false;
}