X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/7dffa15c1670806cc053b9930f341b53e30f7384..84a739ae72cb9e82563c156d5c60b8254a381608:/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c

diff --git a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c
index 9e7260aef..a6ec53600 100644
--- a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c
+++ b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c
@@ -41,7 +41,7 @@
  *
  *  \hideinitializer
  */
-static uint8_t SPIMaskFromSCKDuration[] PROGMEM =
+static const uint8_t SPIMaskFromSCKDuration[] PROGMEM =
 {
 #if (F_CPU == 8000000)
 	SPI_SPEED_FCPU_DIV_2,    // AVRStudio =   8MHz SPI, Actual =   4MHz SPI
@@ -68,7 +68,7 @@ static uint8_t SPIMaskFromSCKDuration[] PROGMEM =
  *
  *  \hideinitializer
  */
-static uint16_t TimerCompareFromSCKDuration[] PROGMEM =
+static const uint16_t TimerCompareFromSCKDuration[] PROGMEM =
 {
 	TIMER_COMP(96386), TIMER_COMP(89888), TIMER_COMP(84211), TIMER_COMP(79208), TIMER_COMP(74767),
 	TIMER_COMP(70797), TIMER_COMP(67227), TIMER_COMP(64000), TIMER_COMP(61069), TIMER_COMP(58395),
@@ -243,7 +243,8 @@ uint8_t ISPTarget_TransferSoftSPIByte(const uint8_t Byte)
 	SoftSPI_Data          = Byte;
 	SoftSPI_BitsRemaining = 8;
 
-	if (SoftSPI_Data & 0x01)
+	/* Set initial MOSI pin state according to the byte to be transferred */
+	if (SoftSPI_Data & (1 << 7))
 	  PORTB |=  (1 << 2);
 	else
 	  PORTB &= ~(1 << 2);