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[usb] Fix Windows enumeration.

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Set the endpoint transfer size before enabling it.

Change-Id: If3a02156f0019c9cc48159b07199dc2375387fb5
This commit is contained in:
Léa Saviot
2018-04-03 17:37:59 +02:00
parent 88577df782
commit 2ba0f89663
1 changed files with 8 additions and 8 deletions
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16
ion/src/device/usb/endpoint0.cpp
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@@ -14,6 +14,14 @@ namespace Device {
void Endpoint0::setup() {
// Setup the IN direction
// Reset the device IN endpoint 0 transfer size register
class OTG::DIEPTSIZ0 dieptsiz0(0);
/* Transfer size. The core interrupts the application only after it has
* exhausted the transfer size amount of data. The transfer size is set to the
* maximum packet size, to be interrupted at the end of each packet. */
dieptsiz0.setXFRSIZ(k_maxPacketSize);
OTG.DIEPTSIZ0()->set(dieptsiz0);
// Reset the device IN endpoint 0 control register
class OTG::DIEPCTL0 diepctl0(0); // Reset value
// Set the maximum packet size
@@ -24,14 +32,6 @@ void Endpoint0::setup() {
diepctl0.setEPENA(true);
OTG.DIEPCTL0()->set(diepctl0);
// Reset the device IN endpoint 0 transfer size register
class OTG::DIEPTSIZ0 dieptsiz0(0);
/* Transfer size. The core interrupts the application only after it has
* exhausted the transfer size amount of data. The transfer size is set to the
* maximum packet size, to be interrupted at the end of each packet. */
dieptsiz0.setXFRSIZ(k_maxPacketSize);
OTG.DIEPTSIZ0()->set(dieptsiz0);
// Setup the OUT direction
setupOut();