Remove the timeout period extension code from the AVRISP project, as no single command should ever exceed the maximum timeout period. Extend timeout period to 1 second per command, so that an accidental timeout will never occur.

This commit is contained in:
Dean Camera 2010-07-13 11:26:03 +00:00
parent 0313034245
commit 666c0fa4c3
9 changed files with 33 additions and 74 deletions

View file

@ -80,15 +80,12 @@ bool XMEGANVM_WaitWhileNVMBusBusy(void)
uint8_t StatusRegister = XPROGTarget_ReceiveByte();
/* We might have timed out waiting for the status register read response, check here */
if (!(TimeoutMSRemaining))
if (!(TimeoutTicksRemaining))
return false;
/* Check the status register read response to see if the NVM bus is enabled */
if (StatusRegister & PDI_STATUS_NVM)
{
TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
return true;
}
return true;
}
}
@ -109,15 +106,12 @@ bool XMEGANVM_WaitWhileNVMControllerBusy(void)
uint8_t StatusRegister = XPROGTarget_ReceiveByte();
/* We might have timed out waiting for the status register read response, check here */
if (!(TimeoutMSRemaining))
if (!(TimeoutTicksRemaining))
return false;
/* Check to see if the BUSY flag is still set */
if (!(StatusRegister & (1 << 7)))
{
TimeoutMSRemaining = COMMAND_TIMEOUT_MS;
return true;
}
return true;
}
}
@ -165,7 +159,7 @@ bool XMEGANVM_GetMemoryCRC(const uint8_t CRCCommand, uint32_t* const CRCDest)
for (uint8_t i = 0; i < XMEGA_CRC_LENGTH; i++)
((uint8_t*)CRCDest)[i] = XPROGTarget_ReceiveByte();
return (TimeoutMSRemaining != 0);
return (TimeoutTicksRemaining != 0);
}
/** Reads memory from the target's memory spaces.
@ -197,10 +191,10 @@ bool XMEGANVM_ReadMemory(const uint32_t ReadAddress, uint8_t* ReadBuffer, uint16
/* Send a LD command with indirect access and post-increment to read out the bytes */
XPROGTarget_SendByte(PDI_CMD_LD | (PDI_POINTER_INDIRECT_PI << 2) | PDI_DATSIZE_1BYTE);
while (ReadSize-- && TimeoutMSRemaining)
while (ReadSize-- && TimeoutTicksRemaining)
*(ReadBuffer++) = XPROGTarget_ReceiveByte();
return (TimeoutMSRemaining != 0);
return (TimeoutTicksRemaining != 0);
}
/** Writes byte addressed memory to the target's memory spaces.