103 lines
3.3 KiB
C
103 lines
3.3 KiB
C
#include "usb_composite_device.h"
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#include "usb_interface_generic_hid.h"
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static usb_device_endpoint_struct_t UsbGenericHidEndpoints[USB_GENERIC_HID_ENDPOINT_COUNT] =
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{
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{
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USB_GENERIC_HID_ENDPOINT_IN_INDEX | (USB_IN << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT),
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USB_ENDPOINT_INTERRUPT,
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USB_GENERIC_HID_INTERRUPT_IN_PACKET_SIZE,
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},
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{
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USB_GENERIC_HID_ENDPOINT_OUT_INDEX | (USB_OUT << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT),
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USB_ENDPOINT_INTERRUPT,
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USB_GENERIC_HID_INTERRUPT_OUT_PACKET_SIZE,
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}
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};
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static usb_device_interface_struct_t UsbGenericHidInterface[] = {{
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USB_INTERFACE_ALTERNATE_SETTING_NONE,
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{USB_GENERIC_HID_ENDPOINT_COUNT, UsbGenericHidEndpoints},
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NULL,
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}};
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static usb_device_interfaces_struct_t UsbGenericHidInterfaces[USB_GENERIC_HID_INTERFACE_COUNT] = {{
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USB_CLASS_HID,
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USB_HID_SUBCLASS_NONE,
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USB_HID_PROTOCOL_NONE,
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USB_GENERIC_HID_INTERFACE_INDEX,
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UsbGenericHidInterface,
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sizeof(UsbGenericHidInterface) / sizeof(usb_device_interfaces_struct_t),
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}};
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static usb_device_interface_list_t UsbGenericHidInterfaceList[USB_DEVICE_CONFIGURATION_COUNT] = {{
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USB_GENERIC_HID_INTERFACE_COUNT,
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UsbGenericHidInterfaces,
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}};
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usb_device_class_struct_t UsbGenericHidClass = {
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UsbGenericHidInterfaceList,
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kUSB_DeviceClassTypeHid,
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USB_DEVICE_CONFIGURATION_COUNT,
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};
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uint8_t GenericHidInBuffer[USB_GENERIC_HID_IN_BUFFER_LENGTH];
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uint8_t GenericHidOutBuffer[USB_GENERIC_HID_OUT_BUFFER_LENGTH];
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static usb_status_t UsbReceiveData()
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{
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return USB_DeviceHidRecv(UsbCompositeDevice.genericHidHandle,
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USB_GENERIC_HID_ENDPOINT_OUT_INDEX,
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GenericHidInBuffer,
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USB_GENERIC_HID_OUT_BUFFER_LENGTH);
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}
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usb_status_t UsbGenericHidCallback(class_handle_t handle, uint32_t event, void *param)
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{
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usb_status_t error = kStatus_USB_Error;
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switch (event) {
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case kUSB_DeviceHidEventSendResponse:
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break;
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case kUSB_DeviceHidEventRecvResponse:
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UsbProtocolHandler();
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USB_DeviceHidSend(UsbCompositeDevice.genericHidHandle,
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USB_GENERIC_HID_ENDPOINT_IN_INDEX,
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GenericHidOutBuffer,
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USB_GENERIC_HID_OUT_BUFFER_LENGTH);
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return UsbReceiveData();
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break;
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case kUSB_DeviceHidEventGetReport:
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case kUSB_DeviceHidEventSetReport:
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case kUSB_DeviceHidEventRequestReportBuffer:
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error = kStatus_USB_InvalidRequest;
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break;
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case kUSB_DeviceHidEventGetIdle:
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case kUSB_DeviceHidEventGetProtocol:
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case kUSB_DeviceHidEventSetIdle:
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case kUSB_DeviceHidEventSetProtocol:
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break;
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default:
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break;
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}
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return error;
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}
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usb_status_t UsbGenericHidSetConfiguration(class_handle_t handle, uint8_t configuration)
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{
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if (USB_COMPOSITE_CONFIGURATION_INDEX == configuration) {
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return UsbReceiveData();
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}
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return kStatus_USB_Error;
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}
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usb_status_t UsbGenericHidSetInterface(class_handle_t handle, uint8_t interface, uint8_t alternateSetting)
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{
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if (USB_GENERIC_HID_INTERFACE_INDEX == interface) {
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return UsbReceiveData();
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}
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return kStatus_USB_Error;
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}
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