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//! USB communication module for the Geek szitman supercamera
mod device;
mod transfer;
pub use device::UsbSupercamera;
pub use transfer::{UsbTransferConfig, UsbTransferError, UsbTransferResult, UsbTransferStats};
use rusb::{Direction, TransferType};
use std::time::Duration;
/// USB device constants
pub const USB_VENDOR_ID: u16 = 0x2ce3;
pub const USB_PRODUCT_ID: u16 = 0x3828;
pub const INTERFACE_A_NUMBER: u8 = 0;
pub const INTERFACE_B_NUMBER: u8 = 1;
pub const INTERFACE_B_ALTERNATE_SETTING: u8 = 1;
pub const ENDPOINT_1: u8 = 1;
pub const ENDPOINT_2: u8 = 2;
pub const USB_TIMEOUT: Duration = Duration::from_millis(1000);
/// USB device information
#[derive(Debug, Clone)]
pub struct UsbDeviceInfo {
pub vendor_id: u16,
pub product_id: u16,
pub manufacturer: Option<String>,
pub product: Option<String>,
pub serial_number: Option<String>,
}
impl Default for UsbDeviceInfo {
fn default() -> Self {
Self {
vendor_id: USB_VENDOR_ID,
product_id: USB_PRODUCT_ID,
manufacturer: None,
product: None,
serial_number: None,
}
}
}
/// USB endpoint configuration
#[derive(Debug, Clone)]
pub struct UsbEndpoint {
pub address: u8,
pub direction: Direction,
pub transfer_type: TransferType,
pub max_packet_size: u16,
}
impl UsbEndpoint {
/// Create a new USB endpoint
pub fn new(
address: u8,
direction: Direction,
transfer_type: TransferType,
max_packet_size: u16,
) -> Self {
Self {
address,
direction,
transfer_type,
max_packet_size,
}
}
}
/// USB interface configuration
#[derive(Debug, Clone)]
pub struct UsbInterface {
pub number: u8,
pub alternate_setting: u8,
pub endpoints: Vec<UsbEndpoint>,
}
impl UsbInterface {
/// Create a new USB interface
pub fn new(number: u8, alternate_setting: u8) -> Self {
Self {
number,
alternate_setting,
endpoints: Vec::new(),
}
}
/// Add an endpoint to this interface
pub fn add_endpoint(&mut self, endpoint: UsbEndpoint) {
self.endpoints.push(endpoint);
}
}
/// USB device configuration
#[derive(Debug, Clone)]
pub struct UsbConfig {
pub interfaces: Vec<UsbInterface>,
pub max_packet_size: u16,
}
impl Default for UsbConfig {
fn default() -> Self {
let mut interface_a = UsbInterface::new(INTERFACE_A_NUMBER, 0);
interface_a.add_endpoint(UsbEndpoint::new(
ENDPOINT_1,
Direction::In,
TransferType::Bulk,
0x1000,
));
let mut interface_b = UsbInterface::new(INTERFACE_B_NUMBER, INTERFACE_B_ALTERNATE_SETTING);
interface_b.add_endpoint(UsbEndpoint::new(
ENDPOINT_2,
Direction::Out,
TransferType::Bulk,
64,
));
Self {
interfaces: vec![interface_a, interface_b],
max_packet_size: 0x1000,
}
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_usb_device_info_default() {
let info = UsbDeviceInfo::default();
assert_eq!(info.vendor_id, USB_VENDOR_ID);
assert_eq!(info.product_id, USB_PRODUCT_ID);
}
#[test]
fn test_usb_endpoint_creation() {
let endpoint = UsbEndpoint::new(ENDPOINT_1, Direction::In, TransferType::Bulk, 0x1000);
assert_eq!(endpoint.address, ENDPOINT_1);
assert_eq!(endpoint.direction, Direction::In);
assert_eq!(endpoint.transfer_type, TransferType::Bulk);
assert_eq!(endpoint.max_packet_size, 0x1000);
}
#[test]
fn test_usb_interface_management() {
let mut interface = UsbInterface::new(0, 0);
let endpoint = UsbEndpoint::new(1, Direction::In, TransferType::Bulk, 64);
interface.add_endpoint(endpoint);
assert_eq!(interface.endpoints.len(), 1);
assert_eq!(interface.endpoints[0].address, 1);
}
#[test]
fn test_usb_config_default() {
let config = UsbConfig::default();
assert_eq!(config.interfaces.len(), 2);
assert_eq!(config.interfaces[0].number, INTERFACE_A_NUMBER);
assert_eq!(config.interfaces[1].number, INTERFACE_B_NUMBER);
assert_eq!(config.max_packet_size, 0x1000);
}
}
|
