ahoneybun/qmk_firmware
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added reliability patches to the AVRISP-MKII Clone project's ISP and PDI/TPI protocols (thanks to Justin Mattair).

Browse source
This commit is contained in:
Dean Camera 2011-10-07 04:40:56 +00:00
parent 6553bf5bfb
commit db73b11244
3 changed files with 13 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

5
Projects/AVRISP-MKII/Lib/ISP/ISPProtocol.c
View file

@ -69,10 +69,11 @@ void ISPProtocol_EnterISPMode(void)
ISPTarget_EnableTargetISP();
ISPTarget_ChangeTargetResetLine(true);
ISPProtocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
/* Continuously attempt to synchronize with the target until either the number of attempts specified
* by the host has exceeded, or the the device sends back the expected response values */
while (Enter_ISP_Params.SynchLoops-- && (ResponseStatus != STATUS_CMD_OK) && !(TimeoutExpired))
while (Enter_ISP_Params.SynchLoops-- && !(TimeoutExpired))
{
uint8_t ResponseBytes[4];
@ -86,12 +87,14 @@ void ISPProtocol_EnterISPMode(void)
if (!(Enter_ISP_Params.PollIndex) || (ResponseBytes[Enter_ISP_Params.PollIndex - 1] == Enter_ISP_Params.PollValue))
{
ResponseStatus = STATUS_CMD_OK;
break;
}
else
{
ISPTarget_ChangeTargetResetLine(false);
ISPProtocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
ISPTarget_ChangeTargetResetLine(true);
ISPProtocol_DelayMS(Enter_ISP_Params.PinStabDelayMS);
}
}