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| author | Dean Camera <dean@fourwalledcubicle.com> | 2011-10-07 04:40:56 +0000 |
|---|---|---|
| committer | Dean Camera <dean@fourwalledcubicle.com> | 2011-10-07 04:40:56 +0000 |
| commit | db73b11244c2c5dc444f3c459d6823be8d1fe655 (patch) | |
| tree | 29e1e695f2ed4dcb58db7055dd84ea27bf08bd6c /Projects/AVRISP-MKII/Lib/XPROG | |
| parent | 6553bf5bfb70c26574047b0c4518a024a65b1bc8 (diff) | |
| download | lufa-db73b11244c2c5dc444f3c459d6823be8d1fe655.tar.gz lufa-db73b11244c2c5dc444f3c459d6823be8d1fe655.tar.bz2 lufa-db73b11244c2c5dc444f3c459d6823be8d1fe655.zip | |
Added reliability patches to the AVRISP-MKII Clone project's ISP and PDI/TPI protocols (thanks to Justin Mattair).
Diffstat (limited to 'Projects/AVRISP-MKII/Lib/XPROG')
| -rw-r--r-- | Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c b/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c index af0cc0106..065cd0965 100644 --- a/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c +++ b/Projects/AVRISP-MKII/Lib/XPROG/XPROGTarget.c @@ -174,9 +174,14 @@ void XPROGTarget_SendIdle(void) static void XPROGTarget_SetTxMode(void) { - /* Wait for a full cycle of the clock */ - while (PIND & (1 << 5)); - while (!(PIND & (1 << 5))); + /* Need to do nothing for a full frame to send a BREAK - only one cycle should be needed, however + * there are reports that sometimes the interface will get stuck in some environments. */ + for (uint8_t i = 0; i < BITS_IN_USART_FRAME; i++) + { + /* Wait for a full cycle of the clock */ + while (PIND & (1 << 5)); + while (!(PIND & (1 << 5))); + } PORTD |= (1 << 3); DDRD |= (1 << 3); |