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Add LED status capability #358

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Add LED status capability #358

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18 changes: 16 additions & 2 deletions libraries/HID/src/HID.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -54,11 +54,11 @@ int HID_::getDescriptor(USBSetup& setup)
return -1;
total += res;
}

// Reset the protocol on reenumeration. Normally the host should not assume the state of the protocol
// due to the USB specs, but Windows and Linux just assumes its in report mode.
protocol = HID_REPORT_PROTOCOL;

return total;
}

Expand Down Expand Up @@ -86,6 +86,11 @@ void HID_::AppendDescriptor(HIDSubDescriptor *node)
descriptorSize += node->length;
}

uint8_t HID_::getKeyboardLedsStatus(void)
{
return _keyboardLedsStatus;
}

int HID_::SendReport(uint8_t id, const void* data, int len)
{
auto ret = USB_Send(pluggedEndpoint, &id, 1);
Expand Down Expand Up @@ -133,6 +138,15 @@ bool HID_::setup(USBSetup& setup)
}
if (request == HID_SET_REPORT)
{
if (setup.wLength == 2)
{
uint8_t data[2];
if (2 == USB_RecvControl(data, 2))
{
_keyboardLedsStatus = data[1];
return true;
}
}
//uint8_t reportID = setup.wValueL;
//uint16_t length = setup.wLength;
//uint8_t data[length];
Expand Down
4 changes: 3 additions & 1 deletion libraries/HID/src/HID.h
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Original file line number Diff line number Diff line change
Expand Up @@ -72,7 +72,7 @@ typedef struct
uint8_t descLenH;
} HIDDescDescriptor;

typedef struct
typedef struct
{
InterfaceDescriptor hid;
HIDDescDescriptor desc;
Expand All @@ -95,6 +95,7 @@ class HID_ : public PluggableUSBModule
int begin(void);
int SendReport(uint8_t id, const void* data, int len);
void AppendDescriptor(HIDSubDescriptor* node);
uint8_t getKeyboardLedsStatus(void);

protected:
// Implementation of the PluggableUSBModule
Expand All @@ -111,6 +112,7 @@ class HID_ : public PluggableUSBModule

uint8_t protocol;
uint8_t idle;
uint8_t _keyboardLedsStatus;
};

// Replacement for global singleton.
Expand Down