TeenyUSB Stack
设备接口函数 Device API
普通函数 Normal function
| function name | description |
|---|---|
| tusb_get_device | Get chip USB device handle |
| tusb_open | Open USB Device, Connect |
| tusb_close | Close USB device, Disconnect |
| tusb_send_data | Send endpoint data |
| tusb_set_rx_buffer | Set OUT endpoint recv buffer |
| tusb_set_rx_valid | Set OUT endpoint valid |
回调函数，用户实现 Callback function
| function name | description |
|---|---|
| tusb_reconfig | Config endpoint here |
| tusb_class_request | Class request |
| tusb_on_rx_done | Data received |
| tusb_on_tx_done | Data send finish |
| tusb_get_report_descriptor | Report descriptor request |
Host API
普通函数 Normal function
| function name | description |
|---|---|
| tusb_get_host | Get chip USB host handle |
| tusb_open_host | Open USB host |
| tusb_close_host | Close USB host |
| tusb_host_port_reset | Set host port reset state |
| tusb_pipe_open | Open/allocate pipe for data transfer |
| tusb_pipe_close | Close/free pipe |
| tusb_pipe_setup | Transfer setup packet |
| tusb_pipe_xfer_data | Transfer data packet |
| tusb_pipe_wait | Wait/Get pipe transfer state |
回调函数，用户实现 Callback function
| function name | description |
|---|---|
| tusb_host_port_changed | Port state changed |
| tusb_on_channel_event | Changed event |
函数处理流程
USB FS模块
USB OTG模块设备模式 Device
USB OTG模块主机模式 Host
