X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/f01a05415c03b0dd61297849ece2cfcce7f8d3e8..1e0c3bc69a75a835931f5943ce7157f6af97b15f:/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c?ds=sidebyside

diff --git a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c
index f08ee6a0e..2158f4de2 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),
@@ -161,7 +161,7 @@ void ISPTarget_EnableTargetISP(void)
 		DDRB  |= ((1 << 1) | (1 << 2));
 		PORTB |= ((1 << 0) | (1 << 3));
 
-		ISPTarget_ConfigureSoftwareISP(SCKDuration);
+		ISPTarget_ConfigureSoftwareSPI(SCKDuration);
 	}
 }
 
@@ -185,7 +185,7 @@ void ISPTarget_DisableTargetISP(void)
 	}
 }
 
-/** Configures the AVR to produce a .5MHz rescue clock out of the OCR1A pin of the AVR, so
+/** Configures the AVR to produce a 4MHz rescue clock out of the OCR1A pin of the AVR, so
  *  that it can be fed into the XTAL1 pin of an AVR whose fuses have been mis-configured for
  *  an external clock rather than a crystal. When used, the ISP speed must be 125KHz for this
  *  functionality to work correctly.
@@ -217,14 +217,14 @@ void ISPTarget_ConfigureRescueClock(void)
 	#endif
 }
 
-/** Configures the AVR's timer ready to produce software ISP for the slower ISP speeds that
+/** Configures the AVR's timer ready to produce software SPI for the slower ISP speeds that
  *  cannot be obtained when using the AVR's hardware SPI module.
  *
  *  \param[in] SCKDuration  Duration of the desired software ISP SCK clock
  */
-void ISPTarget_ConfigureSoftwareISP(const uint8_t SCKDuration)
+void ISPTarget_ConfigureSoftwareSPI(const uint8_t SCKDuration)
 {
-	/* Configure Timer 1 for software ISP using the specified SCK duration */
+	/* Configure Timer 1 for software SPI using the specified SCK duration */
 	TIMSK1 = (1 << OCIE1A);
 	TCNT1  = 0;
 	OCR1A  = pgm_read_word(&TimerCompareFromSCKDuration[SCKDuration - sizeof(SPIMaskFromSCKDuration)]);