116 lines
3.7 KiB
C
116 lines
3.7 KiB
C
#include "main.h"
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#include "action.h"
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#include "fsl_port.h"
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#include "usb_api.h"
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#include "usb_composite_device.h"
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#include "test_led.h"
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#include "fsl_i2c.h"
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#include "i2c.h"
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#include "i2c_addresses.h"
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static usb_device_endpoint_struct_t UsbKeyboardEndpoints[USB_KEYBOARD_ENDPOINT_COUNT] = {{
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USB_KEYBOARD_ENDPOINT_INDEX | (USB_IN << USB_DESCRIPTOR_ENDPOINT_ADDRESS_DIRECTION_SHIFT),
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USB_ENDPOINT_INTERRUPT,
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USB_KEYBOARD_INTERRUPT_IN_PACKET_SIZE,
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}};
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static usb_device_interface_struct_t UsbKeyboardInterface[] = {{
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USB_INTERFACE_ALTERNATE_SETTING_NONE,
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{USB_KEYBOARD_ENDPOINT_COUNT, UsbKeyboardEndpoints},
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NULL,
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}};
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static usb_device_interfaces_struct_t UsbKeyboardInterfaces[USB_KEYBOARD_INTERFACE_COUNT] = {{
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USB_CLASS_HID,
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USB_HID_SUBCLASS_BOOT,
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USB_HID_PROTOCOL_KEYBOARD,
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USB_KEYBOARD_INTERFACE_INDEX,
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UsbKeyboardInterface,
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sizeof(UsbKeyboardInterface) / sizeof(usb_device_interfaces_struct_t),
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}};
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static usb_device_interface_list_t UsbKeyboardInterfaceList[USB_DEVICE_CONFIGURATION_COUNT] = {{
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USB_KEYBOARD_INTERFACE_COUNT,
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UsbKeyboardInterfaces,
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}};
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usb_device_class_struct_t UsbKeyboardClass = {
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UsbKeyboardInterfaceList,
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kUSB_DeviceClassTypeHid,
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USB_DEVICE_CONFIGURATION_COUNT,
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};
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volatile static int activeReportIndex=0;
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static usb_keyboard_report_t UsbKeyboardReport[2];
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void UsbKeyboadTask()
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{
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int newReportIndex = 1-activeReportIndex;
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UsbKeyboardReport[newReportIndex].modifiers = 0;
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UsbKeyboardReport[newReportIndex].reserved = 0;
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KeyMatrix_Scan(&KeyMatrix);
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memcpy(CurrentKeyStates[SLOT_ID_RIGHT_KEYBOARD_HALF], KeyMatrix.keyStates, MAX_KEY_COUNT_PER_MODULE);
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uint8_t txData[] = {0};
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bzero(CurrentKeyStates[SLOT_ID_LEFT_KEYBOARD_HALF], MAX_KEY_COUNT_PER_MODULE);
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if (I2cWrite(I2C_MAIN_BUS_BASEADDR, I2C_ADDRESS_LEFT_KEYBOARD_HALF, txData, sizeof(txData)) == kStatus_Success) {
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I2cRead(I2C_MAIN_BUS_BASEADDR, I2C_ADDRESS_LEFT_KEYBOARD_HALF, CurrentKeyStates[SLOT_ID_LEFT_KEYBOARD_HALF], LEFT_KEYBOARD_HALF_KEY_COUNT);
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}
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bzero(&UsbKeyboardReport[newReportIndex].scancodes, USB_KEYBOARD_MAX_KEYS);
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HandleKeyboardEvents(&UsbKeyboardReport[newReportIndex], &UsbMouseReport);
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activeReportIndex = newReportIndex;
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}
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static usb_status_t UsbKeyboardAction(void)
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{
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return USB_DeviceHidSend(UsbCompositeDevice.keyboardHandle, USB_KEYBOARD_ENDPOINT_INDEX,
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(uint8_t*)&UsbKeyboardReport[activeReportIndex], USB_KEYBOARD_REPORT_LENGTH);
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}
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usb_status_t UsbKeyboardCallback(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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if (UsbCompositeDevice.attach) {
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return UsbKeyboardAction();
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}
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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 UsbKeyboardSetConfiguration(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 UsbKeyboardAction();
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}
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return kStatus_USB_Error;
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}
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usb_status_t UsbKeyboardSetInterface(class_handle_t handle, uint8_t interface, uint8_t alternateSetting)
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{
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if (USB_KEYBOARD_INTERFACE_INDEX == interface) {
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return UsbKeyboardAction();
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}
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return kStatus_USB_Error;
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}
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