Add generic HID interface.

2016-02-28 23:16:50 +01:00
parent d429980975
commit ad15e39e30
11 changed files with 344 additions and 9 deletions
@@ -0,0 +1,89 @@
+#include "include/board/board.h"
+#include "fsl_gpio.h"
+#include "usb_device_config.h"
+#include "usb.h"
+#include "usb_device.h"
+#include "include/usb/usb_device_class.h"
+#include "include/usb/usb_device_hid.h"
+#include "include/usb/usb_device_ch9.h"
+#include "usb_device_descriptor.h"
+#include "composite.h"
+#include "scancodes.h"
+#include "hid_generic.h"
+
+static usb_device_generic_hid_struct_t UsbGenericHidDevice;
+
+usb_status_t UsbGenericHidCallback(class_handle_t handle, uint32_t event, void *param)
+{
+    usb_status_t error = kStatus_USB_Error;
+
+    switch (event)
+    {
+        case kUSB_DeviceHidEventSendResponse:
+            break;
+        case kUSB_DeviceHidEventRecvResponse:
+            GPIO_SetPinsOutput(BOARD_LED_RED_GPIO, 1U << BOARD_LED_RED_GPIO_PIN);
+            GPIO_SetPinsOutput(BOARD_LED_GREEN_GPIO, 1U << BOARD_LED_GREEN_GPIO_PIN);
+            GPIO_SetPinsOutput(BOARD_LED_BLUE_GPIO, 1U << BOARD_LED_BLUE_GPIO_PIN);
+
+            uint8_t* cp = (uint8_t*)&UsbGenericHidDevice.buffer[UsbGenericHidDevice.bufferIndex][0];
+            uint8_t c = *(cp+0);
+            if (c == 'r') {
+                GPIO_ClearPinsOutput(BOARD_LED_RED_GPIO, 1U << BOARD_LED_RED_GPIO_PIN);
+            }
+            if (c == 'g') {
+                GPIO_ClearPinsOutput(BOARD_LED_GREEN_GPIO, 1U << BOARD_LED_GREEN_GPIO_PIN);
+            }
+            if (c == 'b') {
+                GPIO_ClearPinsOutput(BOARD_LED_BLUE_GPIO, 1U << BOARD_LED_BLUE_GPIO_PIN);
+            }
+
+            USB_DeviceHidSend(UsbCompositeDevice.genericHidHandle, USB_GENERIC_HID_ENDPOINT_IN_ID,
+                              (uint8_t *)&UsbGenericHidDevice.buffer[UsbGenericHidDevice.bufferIndex][0],
+                              USB_GENERIC_HID_OUT_BUFFER_LENGTH);
+            UsbGenericHidDevice.bufferIndex ^= 1U;
+            return USB_DeviceHidRecv(UsbCompositeDevice.genericHidHandle, USB_GENERIC_HID_ENDPOINT_OUT_ID,
+                                     (uint8_t *)&UsbGenericHidDevice.buffer[UsbGenericHidDevice.bufferIndex][0],
+                                     USB_GENERIC_HID_OUT_BUFFER_LENGTH);
+            break;
+        case kUSB_DeviceHidEventGetReport:
+        case kUSB_DeviceHidEventSetReport:
+        case kUSB_DeviceHidEventRequestReportBuffer:
+            error = kStatus_USB_InvalidRequest;
+            break;
+        case kUSB_DeviceHidEventGetIdle:
+        case kUSB_DeviceHidEventGetProtocol:
+        case kUSB_DeviceHidEventSetIdle:
+        case kUSB_DeviceHidEventSetProtocol:
+            break;
+        default:
+            break;
+    }
+
+    return error;
+}
+usb_status_t UsbGenericHidSetConfigure(class_handle_t handle, uint8_t configuration)
+{
+    if (USB_COMPOSITE_CONFIGURATION_INDEX == configuration) {
+        return USB_DeviceHidRecv(
+                UsbCompositeDevice.genericHidHandle, USB_GENERIC_HID_ENDPOINT_OUT_ID,
+            (uint8_t *)&UsbGenericHidDevice.buffer[UsbGenericHidDevice.bufferIndex][0],
+            USB_GENERIC_HID_OUT_BUFFER_LENGTH);
+    }
+    return kStatus_USB_Error;
+}
+
+usb_status_t UsbGenericHidSetInterface(class_handle_t handle, uint8_t interface, uint8_t alternateSetting)
+{
+    if (USB_KEYBOARD_INTERFACE_INDEX == interface) {
+        UsbCompositeDevice.currentInterfaceAlternateSetting[interface] = alternateSetting;
+        if (alternateSetting == 0U)
+        {
+            return USB_DeviceHidRecv(
+                    UsbCompositeDevice.genericHidHandle, USB_GENERIC_HID_ENDPOINT_OUT_ID,
+                (uint8_t *)&UsbGenericHidDevice.buffer[UsbGenericHidDevice.bufferIndex][0],
+                USB_GENERIC_HID_OUT_BUFFER_LENGTH);
+        }
+    }
+    return kStatus_USB_Error;
+}