From: Dean Camera <dean@fourwalledcubicle.com>
Date: Mon, 18 Mar 2013 17:27:18 +0000 (+0000)
Subject: Speed up Mass Storage bootloader by turning off the internal clock divider, as there... 
X-Git-Tag: LUFA-130901-BETA~205
X-Git-Url: http://git.linex4red.de/pub/USBasp.git/commitdiff_plain/88bcc6fde546f12a31f46b5c8b77631b0c648638?ds=sidebyside

Speed up Mass Storage bootloader by turning off the internal clock divider, as there is enough FLASH space to do so.
---

diff --git a/Bootloaders/MassStorage/BootloaderMassStorage.c b/Bootloaders/MassStorage/BootloaderMassStorage.c
index a5e953a5b..c891f8516 100644
--- a/Bootloaders/MassStorage/BootloaderMassStorage.c
+++ b/Bootloaders/MassStorage/BootloaderMassStorage.c
@@ -104,6 +104,9 @@ static void SetupHardware(void)
 	MCUSR &= ~(1 << WDRF);
 	wdt_disable();
 
+	/* Disable clock division */
+	clock_prescale_set(clock_div_1);
+
 	/* Relocate the interrupt vector table to the bootloader section */
 	MCUCR = (1 << IVCE);
 	MCUCR = (1 << IVSEL);
diff --git a/Bootloaders/MassStorage/BootloaderMassStorage.h b/Bootloaders/MassStorage/BootloaderMassStorage.h
index dd67381f7..05b0eedfe 100644
--- a/Bootloaders/MassStorage/BootloaderMassStorage.h
+++ b/Bootloaders/MassStorage/BootloaderMassStorage.h
@@ -39,6 +39,7 @@
 	/* Includes: */
 		#include <avr/io.h>
 		#include <avr/wdt.h>
+		#include <avr/power.h>
 		#include <avr/interrupt.h>
 		#include <string.h>