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[usb] Clean Interface code.

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Change-Id: I06526265a6876bc905bcce668f38f24df64c9b27
This commit is contained in:
Léa Saviot
2018-03-27 17:29:25 +02:00
parent c77107da94
commit 7e29508b59
2 changed files with 11 additions and 11 deletions
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20
ion/src/device/usb/interface.cpp
View File

@@ -16,7 +16,7 @@ bool Interface::processSetupInRequest(SetupPacket * request, uint8_t * transferB
case (int) Request::SetInterface:
return setInterface(request, transferBufferLength);
case (int) Request::GetInterface:
return getInterface(transferBuffer, transferBufferLength);
return getInterface(transferBuffer, transferBufferLength, transferBufferMaxLength);
case (int) Request::ClearFeature:
return clearFeature(transferBufferLength);
case (int) Request::SetFeature:
@@ -28,35 +28,35 @@ bool Interface::processSetupInRequest(SetupPacket * request, uint8_t * transferB
bool Interface::getStatus(uint8_t * transferBuffer, uint16_t * transferBufferLength, uint16_t transferBufferMaxLength) {
*transferBufferLength = min(2, transferBufferMaxLength);
for (int i = 0; i<*transferBufferLength; i++) {
transferBuffer[i] = 0; // By specification
transferBuffer[i] = 0; // Reserved, must be set to 0
}
return true;
}
bool Interface::getInterface(uint8_t * transferBuffer, uint16_t * transferBufferLength) {
*transferBufferLength = 1;
transferBuffer[0] = getActiveInterfaceAlternative();
bool Interface::getInterface(uint8_t * transferBuffer, uint16_t * transferBufferLength, uint16_t transferBufferMaxLength) {
*transferBufferLength = min(1, transferBufferMaxLength);;
if (*transferBufferLength > 0) {
transferBuffer[0] = getActiveInterfaceAlternative();
}
return true;
}
bool Interface::setInterface(SetupPacket * request, uint16_t * transferBufferLength) {
// We support one interface only
setActiveInterfaceAlternative(request->wValue());
/* There is one interface alternative only, we no need to set it again, just
* reset the endpoint. */
//m_ep0->reset(); //TODO Needed?
// There is one interface alternative only, we no need to set it again.
*transferBufferLength = 0;
return true;
}
bool Interface::clearFeature(uint16_t * transferBufferLength) {
//TODO ?
// Not needed for now
*transferBufferLength = 0;
return true;
}
bool Interface::setFeature(uint16_t * transferBufferLength) {
//TODO ?
// Not needed for now
*transferBufferLength = 0;
return true;
}

2
ion/src/device/usb/interface.h
View File

@@ -29,7 +29,7 @@ private:
SetInterface = 11,
};
bool getStatus(uint8_t * transferBuffer, uint16_t * transferBufferLength, uint16_t transferBufferMaxLength);
bool getInterface(uint8_t * transferBuffer, uint16_t * transferBufferLength);
bool getInterface(uint8_t * transferBuffer, uint16_t * transferBufferLength, uint16_t transferBufferMaxLength);
bool setInterface(SetupPacket * request, uint16_t * transferBufferLength);
bool clearFeature(uint16_t * transferBufferLength);
bool setFeature(uint16_t * transferBufferLength);