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Make WaitWhileBusy function in the AVRISP project more explicit about how it sends and receives the busy check command.

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Reduce size of PROGRAM FLASH ISP or PROGRAM EEPROM ISP buffer to 256 bytes to prevent blowing the stack on the smallest USB AVR models.
This commit is contained in:
Dean Camera 2009-08-27 23:07:53 +00:00
parent 94c899d7b7
commit 489515fbbf
2 changed files with 3 additions and 2 deletions
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2
Projects/AVRISP/Lib/V2Protocol.c
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@ -301,7 +301,7 @@ static void V2Protocol_Command_ProgramMemory(uint8_t V2Command)
uint8_t ProgrammingCommands[3];
uint8_t PollValue1;
uint8_t PollValue2;
uint8_t ProgData[512];
uint8_t ProgData[256];
} Write_Memory_Params;
uint8_t* NextWriteByte = Write_Memory_Params.ProgData;

3
Projects/AVRISP/Lib/V2ProtocolTarget.c
View File

@ -161,8 +161,9 @@ uint8_t V2Protocol_WaitWhileTargetBusy(void)
SPI_SendByte(0x00);
SPI_SendByte(0x00);
bool DeviceBusy = (SPI_ReceiveByte() & 0x01);
}
while ((SPI_ReceiveByte() & 0x01) && (TCNT0 < TARGET_BUSY_TIMEOUT_MS));
while (DeviceBusy && (TCNT0 < TARGET_BUSY_TIMEOUT_MS));
if (TCNT0 >= TARGET_BUSY_TIMEOUT_MS)
return STATUS_RDY_BSY_TOUT;