diff options
| author | Dean <Dean@d5102386-fcda-11dd-9fdb-3debd5008f28> | 2012-03-05 20:25:46 +0000 |
|---|---|---|
| committer | Dean <Dean@d5102386-fcda-11dd-9fdb-3debd5008f28> | 2012-03-05 20:25:46 +0000 |
| commit | 484ea1b516be08682c1c2f629ad8be0094f050a1 (patch) | |
| tree | 4a406d7bfd20428af1d974b9ff4b477bf91bf245 | |
| parent | ac331fe1095f9b0dabb116ccf832dd50573773e1 (diff) | |
Raised the guard bits in the AVRISP-MKII clone project when in PDI and TPI to 32, to prevent communication errors on low quality connections to a target.
git-svn-id: http://lufa-lib.googlecode.com/svn/trunk@2082 d5102386-fcda-11dd-9fdb-3debd5008f28
| -rw-r--r-- | LUFA/DoxygenPages/ChangeLog.txt | 2 | ||||
| -rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c | 4 | ||||
| -rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c | 4 |
3 files changed, 5 insertions, 5 deletions
diff --git a/LUFA/DoxygenPages/ChangeLog.txt b/LUFA/DoxygenPages/ChangeLog.txt index 3ba0fa48..36954c26 100644 --- a/LUFA/DoxygenPages/ChangeLog.txt +++ b/LUFA/DoxygenPages/ChangeLog.txt @@ -17,7 +17,7 @@ * - Core: * - Android Accessory Host property strings changed from a struct of pointer to an array to prevent unaligned access on greater than 8-bit architectures * - Library Applications: - * - None + * - Raised the guard bits in the AVRISP-MKII clone project when in PDI and TPI to 32, to prevent communication errors on low quality connections to a target * * <b>Fixed:</b> * - Core: diff --git a/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c b/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c index 921fe015..b8832372 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/TINYNVM.c @@ -128,9 +128,9 @@ bool TINYNVM_EnableTPI(void) /* Enable TPI programming mode with the attached target */ XPROGTarget_EnableTargetTPI(); - /* Lower direction change guard time to 0 USART bits */ + /* Lower direction change guard time to 32 USART bits */ XPROGTarget_SendByte(TPI_CMD_SSTCS | TPI_CTRL_REG); - XPROGTarget_SendByte(0x07); + XPROGTarget_SendByte(0x02); /* Enable access to the XPROG NVM bus by sending the documented NVM access key to the device */ XPROGTarget_SendByte(TPI_CMD_SKEY); diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c b/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c index 567bd577..e1169d5f 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/XMEGANVM.c @@ -131,9 +131,9 @@ bool XMEGANVM_EnablePDI(void) XPROGTarget_SendByte(PDI_CMD_STCS | PDI_RESET_REG); XPROGTarget_SendByte(PDI_RESET_KEY); - /* Lower direction change guard time to 0 USART bits */ + /* Lower direction change guard time to 32 USART bits */ XPROGTarget_SendByte(PDI_CMD_STCS | PDI_CTRL_REG); - XPROGTarget_SendByte(0x07); + XPROGTarget_SendByte(0x02); /* Enable access to the XPROG NVM bus by sending the documented NVM access key to the device */ XPROGTarget_SendByte(PDI_CMD_KEY); |