aboutsummaryrefslogtreecommitdiff
path: root/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c
diff options
context:
space:
mode:
Diffstat (limited to 'Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c')
-rw-r--r--Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c21
1 files changed, 6 insertions, 15 deletions
diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c b/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c
index 957084c0b1..4ecf033356 100644
--- a/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c
+++ b/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c
@@ -232,33 +232,24 @@ void XPROGTarget_DisableTargetPDI(void)
XPROGTarget_SetRxMode();
#if defined(XPROG_VIA_HARDWARE_USART)
- /* Set /RESET high for a one millisecond to ensure target device is restarted */
- PORTD |= (1 << 5);
- _delay_ms(1);
-
/* Turn off receiver and transmitter of the USART, clear settings */
- UCSR1A |= (1 << TXC1) | (1 << RXC1);
+ UCSR1A = ((1 << TXC1) | (1 << RXC1));
UCSR1B = 0;
UCSR1C = 0;
- /* Set all USART lines as input, tristate */
+ /* Make Reset input with pullup to take target out of /RESET, tristate all other pins */
DDRD &= ~((1 << 5) | (1 << 3));
- PORTD &= ~((1 << 5) | (1 << 3) | (1 << 2));
+ PORTD &= ~((1 << 3) | (1 << 2));
+ PORTD |= (1 << 5);
#else
/* Turn off software USART management timer */
TCCR1B = 0;
- /* Set /RESET high for a one millisecond to ensure target device is restarted */
- BITBANG_PDICLOCK_PORT |= BITBANG_PDICLOCK_MASK;
- _delay_ms(1);
-
- /* Set DATA and CLOCK lines to inputs */
+ /* Make Reset input with pullup to take target out of /RESET, tristate all other pins */
BITBANG_PDIDATA_DDR &= ~BITBANG_PDIDATA_MASK;
BITBANG_PDICLOCK_DDR &= ~BITBANG_PDICLOCK_MASK;
-
- /* Tristate DATA and CLOCK lines */
- BITBANG_PDIDATA_PORT &= ~BITBANG_PDIDATA_MASK;
BITBANG_PDICLOCK_PORT &= ~BITBANG_PDICLOCK_MASK;
+ BITBANG_PDIDATA_PORT |= BITBANG_PDIDATA_MASK;
#endif
}