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Fixed AVRISP project timeouts not checking for the correct timeout period (thanks to Carl Ott).

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This commit is contained in:
Dean Camera 2009-12-20 22:33:48 +00:00
parent 8b75659563
commit 37c9ba7fa9
6 changed files with 59 additions and 13 deletions
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13
Projects/AVRISP/Lib/PDITarget.c
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@ -311,14 +311,23 @@ void PDITarget_SendBreak(void)
bool PDITarget_WaitWhileNVMBusBusy(void)
{
TCNT0 = 0;
TIFR0 = (1 << OCF1A);
uint8_t TimeoutMS = PDI_NVM_TIMEOUT_MS;
/* Poll the STATUS register to check to see if NVM access has been enabled */
while (TCNT0 < PDI_NVM_TIMEOUT_MS)
while (TimeoutMS)
{
/* Send the LDCS command to read the PDI STATUS register to see the NVM bus is active */
PDITarget_SendByte(PDI_CMD_LDCS | PDI_STATUS_REG);
if (PDITarget_ReceiveByte() & PDI_STATUS_NVM)
return true;
if (TIFR0 & (1 << OCF1A))
{
TIFR0 = (1 << OCF1A);
TimeoutMS--;
}
}
return false;