diff --git a/docs/feature_rawhid.md b/docs/feature_rawhid.md index 01e215be45c..4a688fcba72 100644 --- a/docs/feature_rawhid.md +++ b/docs/feature_rawhid.md @@ -29,7 +29,7 @@ void raw_hid_receive(uint8_t *data, uint8_t length) { } ``` -`raw_hid_receive` can receive variable size packets from host with maximum length `RAW_EPSIZE`. `raw_hid_send` on the other hand can send packets to host of exactly `RAW_EPSIZE` length, therefore it should be used with data of length `RAW_EPSIZE`. +These two functions send and receive packets of length `RAW_EPSIZE` bytes to and from the host (32 on LUFA/ChibiOS/V-USB, 64 on ATSAM). Make sure to flash raw enabled firmware before proceeding with working on the host side.