qmk_oled_api/
data.rs

1use hidapi::{HidDevice, HidError};
2
3pub trait HidAdapter {
4    fn write(&self, data: &[u8]) -> Result<usize, HidError>;
5}
6
7impl HidAdapter for HidDevice {
8    fn write(&self, data: &[u8]) -> Result<usize, HidError> {
9        self.write(data)
10    }
11}
12
13/// The number of bytes in a payload. Typically this is 32.
14pub const PAYLOAD_SIZE: usize = 32;
15
16pub(crate) struct DataPacket {
17    index: u8,
18    payload: [u8; PAYLOAD_SIZE - 2],
19}
20
21impl DataPacket {
22    pub fn to_bytes(&self) -> Vec<u8> {
23        let mut bytes = vec![1, self.index];
24        bytes.extend_from_slice(&self.payload);
25        bytes
26    }
27
28    pub fn send(&self, device: &dyn HidAdapter) -> Result<(), HidError> {
29        let bytes = self.to_bytes();
30
31        device.write(&bytes)?;
32
33        Ok(())
34    }
35
36    pub fn new(starting_index: u8, payload: [u8; PAYLOAD_SIZE - 2]) -> Self {
37        Self {
38            index: starting_index,
39            payload,
40        }
41    }
42}
qmk_oled_api/data.rs

qmk_oled_api/
data.rs
