Reverted AVRISP-MKII clone project watchdog based command timeout patch in favour of a hardware timer, to allow for use in devices with WDTRST fuse programmed.

This commit is contained in:
Dean Camera 2012-04-01 13:39:04 +00:00
parent 89f16f5d7f
commit 25ac76a251
8 changed files with 36 additions and 29 deletions

View file

@ -85,7 +85,7 @@ bool TINYNVM_WaitWhileNVMBusBusy(void)
uint8_t StatusRegister = XPROGTarget_ReceiveByte();
/* We might have timed out waiting for the status register read response, check here */
if (TimeoutExpired)
if (!(TimeoutTicksRemaining))
return false;
/* Check the status register read response to see if the NVM bus is enabled */
@ -110,7 +110,7 @@ bool TINYNVM_WaitWhileNVMControllerBusy(void)
uint8_t StatusRegister = XPROGTarget_ReceiveByte();
/* We might have timed out waiting for the status register read response, check here */
if (TimeoutExpired)
if (!(TimeoutTicksRemaining))
return false;
/* Check to see if the BUSY flag is still set */
@ -182,14 +182,14 @@ bool TINYNVM_ReadMemory(const uint16_t ReadAddress,
/* Send the address of the location to read from */
TINYNVM_SendPointerAddress(ReadAddress);
while (ReadSize-- && !(TimeoutExpired))
while (ReadSize-- && TimeoutTicksRemaining)
{
/* Read the byte of data from the target */
XPROGTarget_SendByte(TPI_CMD_SLD | TPI_POINTER_INDIRECT_PI);
*(ReadBuffer++) = XPROGTarget_ReceiveByte();
}
return (TimeoutExpired == false);
return (TimeoutTicksRemaining > 0);
}
/** Writes word addressed memory to the target's memory spaces.