X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/26017b68b0632c91e71eb29e87ca94670425e081..77a9df36a77d2523dd2bc24fa17f9f04c6c175c5:/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c?ds=inline

diff --git a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c
index 88b33fc65..9e7260aef 100644
--- a/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c
+++ b/Projects/AVRISP-MKII/Lib/ISP/ISPTarget.c
@@ -108,10 +108,10 @@ static uint16_t TimerCompareFromSCKDuration[] PROGMEM =
 bool HardwareSPIMode = true;
 
 /** Software SPI data register for sending and receiving */
-volatile uint8_t SoftSPI_Data;
+static volatile uint8_t SoftSPI_Data;
 
 /** Number of bits left to transfer in the software SPI driver */
-volatile uint8_t SoftSPI_BitsRemaining;
+static volatile uint8_t SoftSPI_BitsRemaining;
 
 
 /** ISR to handle software SPI transmission and reception */
@@ -140,7 +140,7 @@ ISR(TIMER1_COMPA_vect, ISR_BLOCK)
 	PINB |= (1 << 1);
 }
 
-/** Initialises the appropriate SPI driver (hardware or software, depending on the selected ISP speed) ready for
+/** Initializes the appropriate SPI driver (hardware or software, depending on the selected ISP speed) ready for
  *  communication with the attached target.
  */
 void ISPTarget_EnableTargetISP(void)
@@ -161,7 +161,7 @@ void ISPTarget_EnableTargetISP(void)
 		DDRB  |= ((1 << 1) | (1 << 2));
 		PORTB |= ((1 << 0) | (1 << 3));
 
-		ISPTarget_ConfigureSoftwareISP(SCKDuration);
+		ISPTarget_ConfigureSoftwareSPI(SCKDuration);
 	}
 }
 
@@ -172,7 +172,7 @@ void ISPTarget_DisableTargetISP(void)
 {
 	if (HardwareSPIMode)
 	{
-		SPI_ShutDown();
+		SPI_Disable();
 	}
 	else
 	{
@@ -185,8 +185,8 @@ void ISPTarget_DisableTargetISP(void)
 	}
 }
 
-/** Configures the AVR to produce a .5MHz 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 misconfigured for
+/** 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)]);