diff options
| author | Dean <Dean@d5102386-fcda-11dd-9fdb-3debd5008f28> | 2010-02-21 05:44:12 +0000 |
|---|---|---|
| committer | Dean <Dean@d5102386-fcda-11dd-9fdb-3debd5008f28> | 2010-02-21 05:44:12 +0000 |
| commit | f7f5893cc159d0e72111d2b9cc56cbac2746efa5 (patch) | |
| tree | 61ecacb633b218c44f4b8b7d3ec963fefaafc6ba /Projects/AVRISP-MKII/Lib/XPROG | |
| parent | 8071718d985a532e0ced746ca97d011997db8a15 (diff) | |
Increased the speed of both software and hardware TPI/PDI programming modes of the AVRISP project.
git-svn-id: http://lufa-lib.googlecode.com/svn/trunk@1140 d5102386-fcda-11dd-9fdb-3debd5008f28
Diffstat (limited to 'Projects/AVRISP-MKII/Lib/XPROG')
| -rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c | 8 | ||||
| -rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.h | 2 |
2 files changed, 5 insertions, 5 deletions
diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c b/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c index a6a57670..805eaa31 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/XPROGProtocol.c @@ -124,9 +124,9 @@ static void XPROGProtocol_EnterXPROGMode(void) XPROGTarget_SendByte(PDI_CMD_STCS | PDI_RESET_REG);
XPROGTarget_SendByte(PDI_RESET_KEY);
- /* Lower direction change guard time to 8 USART bits */
+ /* Lower direction change guard time to 0 USART bits */
XPROGTarget_SendByte(PDI_CMD_STCS | PDI_CTRL_REG);
- XPROGTarget_SendByte(0x04);
+ XPROGTarget_SendByte(0x07);
/* Enable access to the XPROG NVM bus by sending the documented NVM access key to the device */
XPROGTarget_SendByte(PDI_CMD_KEY);
@@ -141,9 +141,9 @@ static void XPROGProtocol_EnterXPROGMode(void) /* Enable TPI programming mode with the attached target */
XPROGTarget_EnableTargetTPI();
- /* Lower direction change guard time to 8 USART bits */
+ /* Lower direction change guard time to 0 USART bits */
XPROGTarget_SendByte(TPI_CMD_SSTCS | TPI_CTRL_REG);
- XPROGTarget_SendByte(0x04);
+ XPROGTarget_SendByte(0x07);
/* 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/XPROGTarget.h b/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.h index d08a8b65..0c54ad4c 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.h +++ b/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.h @@ -81,7 +81,7 @@ #endif
/** Number of cycles between each clock when software USART mode is used */
- #define BITS_BETWEEN_USART_CLOCKS 100
+ #define BITS_BETWEEN_USART_CLOCKS 80
/** Total number of bits in a single USART frame */
#define BITS_IN_USART_FRAME 12
|