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Switch back to C based timeout ISR in the AVRISP project - assembly version was failing, and only one or two cycles could be shaved off the compiler generated code.

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This commit is contained in:
Dean Camera
2010-05-02 06:02:54 +00:00
parent 3d28d53c3e
commit a5e79333e5
5 changed files with 22 additions and 26 deletions
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13
Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c
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@@ -165,6 +165,10 @@ void XPROGTarget_EnableTargetPDI(void)
BITBANG_PDIDATA_DDR |= BITBANG_PDIDATA_MASK;
BITBANG_PDICLOCK_DDR |= BITBANG_PDICLOCK_MASK;
/* Set DATA line low for at least 90ns to ensure that the device is ready for PDI mode to be entered */
BITBANG_PDIDATA_PORT &= ~BITBANG_PDIDATA_MASK;
_delay_us(1);
/* Set DATA line high for at least 90ns to disable /RESET functionality */
BITBANG_PDIDATA_PORT |= BITBANG_PDIDATA_MASK;
_delay_us(1);
@@ -314,6 +318,9 @@ void XPROGTarget_SendByte(const uint8_t Byte)
SoftUSART_Data = NewUSARTData;
SoftUSART_BitCount = BITS_IN_USART_FRAME;
#endif
if (TimeoutMSRemaining)
TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
}
/** Receives a byte via the software USART, blocking until data is received.
@@ -369,6 +376,9 @@ void XPROGTarget_SendBreak(void)
SoftUSART_Data = 0x0FFF;
SoftUSART_BitCount = BITS_IN_USART_FRAME;
#endif
if (TimeoutMSRemaining)
TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
}
static void XPROGTarget_SetTxMode(void)
@@ -405,6 +415,9 @@ static void XPROGTarget_SetTxMode(void)
}
#endif
if (TimeoutMSRemaining)
TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
IsSending = true;
}