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authorDean Camera <dean@fourwalledcubicle.com>2018-01-22 16:27:39 +1100
committerDean Camera <dean@fourwalledcubicle.com>2018-01-22 16:27:39 +1100
commitd6a528f9a03fe338e30d93f306e0482612e02e3e (patch)
tree69ae2773614b99df8b8a3cdbc944178236cea5b7 /Bootloaders/Printer
parentba6d9c1a971db3c42bf0b054ebb64f72b3e3ddba (diff)
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Add short delays before detaching from the USB bus in the bootloaders (thanks to NicoHood).
Diffstat (limited to 'Bootloaders/Printer')
-rw-r--r--Bootloaders/Printer/BootloaderPrinter.c3
-rw-r--r--Bootloaders/Printer/BootloaderPrinter.h1
2 files changed, 4 insertions, 0 deletions
diff --git a/Bootloaders/Printer/BootloaderPrinter.c b/Bootloaders/Printer/BootloaderPrinter.c
index 6fde80290..da4162172 100644
--- a/Bootloaders/Printer/BootloaderPrinter.c
+++ b/Bootloaders/Printer/BootloaderPrinter.c
@@ -401,6 +401,9 @@ int main(void)
USB_USBTask();
}
+ /* Wait a short time to end all USB transactions and then disconnect */
+ _delay_us(1000);
+
/* Disconnect from the host - USB interface will be reset later along with the AVR */
USB_Detach();
diff --git a/Bootloaders/Printer/BootloaderPrinter.h b/Bootloaders/Printer/BootloaderPrinter.h
index 54d96e0bc..78f938c68 100644
--- a/Bootloaders/Printer/BootloaderPrinter.h
+++ b/Bootloaders/Printer/BootloaderPrinter.h
@@ -41,6 +41,7 @@
#include <avr/wdt.h>
#include <avr/power.h>
#include <avr/interrupt.h>
+ #include <util/delay.h>
#include "Descriptors.h"
#include "BootloaderAPI.h"