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

This commit is contained in:
Dean Camera 2013-03-18 17:27:18 +00:00
parent 1703283893
commit 88bcc6fde5
2 changed files with 4 additions and 0 deletions
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3
Bootloaders/MassStorage/BootloaderMassStorage.c
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@ -104,6 +104,9 @@ static void SetupHardware(void)
MCUSR &= ~(1 << WDRF); MCUSR &= ~(1 << WDRF);
wdt_disable(); wdt_disable();
/* Disable clock division */
clock_prescale_set(clock_div_1);
/* Relocate the interrupt vector table to the bootloader section */ /* Relocate the interrupt vector table to the bootloader section */
MCUCR = (1 << IVCE); MCUCR = (1 << IVCE);
MCUCR = (1 << IVSEL); MCUCR = (1 << IVSEL);

1
Bootloaders/MassStorage/BootloaderMassStorage.h
View File

@ -39,6 +39,7 @@
/* Includes: */ /* Includes: */
#include <avr/io.h> #include <avr/io.h>
#include <avr/wdt.h> #include <avr/wdt.h>
#include <avr/power.h>
#include <avr/interrupt.h> #include <avr/interrupt.h>
#include <string.h> #include <string.h>