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| author | Cristian Maglie <c.maglie@arduino.cc> | 2015-10-01 12:53:24 +0200 |
|---|---|---|
| committer | Cristian Maglie <c.maglie@arduino.cc> | 2015-10-02 11:59:24 +0200 |
| commit | 66d3eabe42fa4590b111d3fe8442c0e556acedcd (patch) | |
| tree | 669b0aee82b3a8c19a242cfa55b2f4666e14c0c3 | |
| parent | 2e328bae3b5fe55c8cbf7b6c9156a830273abab3 (diff) | |
[HID] removed HIDDescriptor field
The field is now built on-the-fly on the stack and sent over USB.
This change increase Flash usage and decrease SRAM usage:
before: 6114 / 241
after: 6152 / 216 (removed HIDDescriptor field)
delta: +38 / -25
SRAM is a much more scarse resource and this change free up to
about 10% of the "base" usage.
| -rw-r--r-- | libraries/HID/HID.cpp | 2 | ||||
| -rw-r--r-- | libraries/HID/HID.h | 1 |
2 files changed, 1 insertions, 2 deletions
diff --git a/libraries/HID/HID.cpp b/libraries/HID/HID.cpp index 574af6b..b7aab6c 100644 --- a/libraries/HID/HID.cpp +++ b/libraries/HID/HID.cpp @@ -26,7 +26,7 @@ HID_ HID; int HID_::getInterface(uint8_t* interfaceNum) { *interfaceNum += 1; // uses 1 - hidInterface = { + HIDDescriptor hidInterface = { D_INTERFACE(interface(), 1, 3, 0, 0), D_HIDREPORT(descriptorSize), D_ENDPOINT(USB_ENDPOINT_IN(endpoint()), USB_ENDPOINT_TYPE_INTERRUPT, USB_EP_SIZE, 0x01) diff --git a/libraries/HID/HID.h b/libraries/HID/HID.h index d31d9c5..2cd0f4a 100644 --- a/libraries/HID/HID.h +++ b/libraries/HID/HID.h @@ -84,7 +84,6 @@ protected: bool setup(USBSetup& setup, uint8_t interfaceNum); private: - HIDDescriptor hidInterface; uint8_t epType[1]; HIDDescriptorListNode* rootNode; |