diff options
Diffstat (limited to 'Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c')
| -rw-r--r-- | Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c index 657c2c999..811e777cc 100644 --- a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c +++ b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c @@ -117,6 +117,7 @@ volatile uint8_t SoftSPI_BitsRemaining; /** ISR to handle software SPI transmission and reception */ ISR(TIMER1_COMPA_vect, ISR_BLOCK) { + /* Check if rising edge (output next bit) or falling edge (read in next bit) */ if (!(PINB & (1 << 1))) { if (SoftSPI_Data & (1 << 7)) @@ -178,6 +179,8 @@ void ISPTarget_DisableTargetISP(void) DDRB &= ~((1 << 1) | (1 << 2)); PORTB &= ~((1 << 0) | (1 << 3)); + /* Must re-enable rescue clock once software ISP has exited, as the timer for the rescue clock is + * re-purposed for software SPI */ ISPTarget_ConfigureRescueClock(); } } |