diff options
| author | Dean Camera <dean@fourwalledcubicle.com> | 2010-02-21 05:44:12 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2010-02-21 05:44:12 +0000 |
| commit | 12a01ed72d0d6dbf243160302314870e7b29cc07 (patch) | |
| tree | 61ecacb633b218c44f4b8b7d3ec963fefaafc6ba /Projects/AVRISP-MKII/Lib/XPROG | |
| parent | 10b9394a8b6c9ced4e6df7687a3d5424de01157a (diff) | |
| download | lufa-12a01ed72d0d6dbf243160302314870e7b29cc07.tar.gz lufa-12a01ed72d0d6dbf243160302314870e7b29cc07.tar.bz2 lufa-12a01ed72d0d6dbf243160302314870e7b29cc07.zip | |
Increased the speed of both software and hardware TPI/PDI programming modes of the AVRISP project.
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 a6a57670b..805eaa31f 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 d08a8b653..0c54ad4cf 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
|