2 * @brief USB ROM based core driver functions
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5 * Copyright(C) NXP Semiconductors, 2012
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6 * All rights reserved.
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9 * Software that is described herein is for illustrative purposes only
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10 * which provides customers with programming information regarding the
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11 * LPC products. This software is supplied "AS IS" without any warranties of
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12 * any kind, and NXP Semiconductors and its licensor disclaim any and
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13 * all warranties, express or implied, including all implied warranties of
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14 * merchantability, fitness for a particular purpose and non-infringement of
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15 * intellectual property rights. NXP Semiconductors assumes no responsibility
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16 * or liability for the use of the software, conveys no license or rights under any
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17 * patent, copyright, mask work right, or any other intellectual property rights in
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18 * or to any products. NXP Semiconductors reserves the right to make changes
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19 * in the software without notification. NXP Semiconductors also makes no
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20 * representation or warranty that such application will be suitable for the
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21 * specified use without further testing or modification.
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24 * Permission to use, copy, modify, and distribute this software and its
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25 * documentation is hereby granted, under NXP Semiconductors' and its
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26 * licensor's relevant copyrights in the software, without fee, provided that it
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27 * is used in conjunction with NXP Semiconductors microcontrollers. This
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28 * copyright, permission, and disclaimer notice must appear in all copies of
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32 #define __INCLUDE_FROM_USB_DRIVER
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33 #include "../../USBMode.h"
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35 #if defined(USB_CAN_BE_DEVICE)
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36 #include "../../Device.h"
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37 #include "../../Endpoint.h"
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39 #if defined(USB_DEVICE_ROM_DRIVER)
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40 USBD_HANDLE_T UsbHandle;
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41 /* FIXME Abstract & make this size configurable */
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42 //#define ROMDRIVER_MEM_SIZE 0x1000
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43 //uint8_t usb_RomDriver_buffer[ROMDRIVER_MEM_SIZE] ATTR_ALIGNED(2048) __BSS(USBRAM_SECTION);
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45 ErrorCode_t UsbdRom_Event_Stub (USBD_HANDLE_T hUsb);
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46 PRAGMA_WEAK(USB_Interface_Event,UsbdRom_Event_Stub)
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47 ErrorCode_t USB_Interface_Event (USBD_HANDLE_T hUsb) ATTR_WEAK ATTR_ALIAS(UsbdRom_Event_Stub);
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48 PRAGMA_WEAK(USB_Configure_Event,USB_Configure_Event_Stub)
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49 ErrorCode_t USB_Configure_Event (USBD_HANDLE_T hUsb) ATTR_WEAK ATTR_ALIAS(USB_Configure_Event_Stub);
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50 ErrorCode_t USB_Configure_Event_Stub (USBD_HANDLE_T hUsb)
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52 USB_CORE_CTRL_T* pCtrl = (USB_CORE_CTRL_T*)hUsb;
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53 uint8_t epnum = CALLBACK_UsbdRom_Register_ConfigureEndpoint();
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55 if((pCtrl->config_value)&&(epnum!=0))
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57 USBD_API->hw->WriteEP(hUsb, (epnum + 0x80), usb_RomDriver_buffer, 1);//TODO: what is this for?
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61 void UsbdRom_Init(uint8_t corenum)
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65 USBD_API_INIT_PARAM_T usb_param =
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67 .usb_reg_base = ROMDRIVER_USB0_BASE,
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68 .max_num_ep = ENDPOINT_TOTAL_ENDPOINTS(corenum),
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69 .mem_base = (uint32_t) usb_RomDriver_buffer,
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70 .mem_size = ROMDRIVER_MEM_SIZE,
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71 .USB_Configure_Event = USB_Configure_Event
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73 USB_CORE_DESCS_T DeviceDes = {NULL};
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76 usb_param.usb_reg_base = ROMDRIVER_USB1_BASE;
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78 /* add custom Interface Event */
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79 if(USB_Interface_Event != UsbdRom_Event_Stub)
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81 usb_param.USB_Interface_Event = USB_Interface_Event;
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83 DeviceDes.device_desc = (uint8_t*)CALLBACK_UsbdRom_Register_DeviceDescriptor();
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84 DeviceDes.high_speed_desc = (uint8_t*)CALLBACK_UsbdRom_Register_ConfigurationDescriptor();
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85 DeviceDes.full_speed_desc = (uint8_t*)CALLBACK_UsbdRom_Register_ConfigurationDescriptor();
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86 DeviceDes.string_desc = (uint8_t*)CALLBACK_UsbdRom_Register_StringDescriptor();
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87 DeviceDes.device_qualifier = (uint8_t*)CALLBACK_UsbdRom_Register_DeviceQualifierDescriptor();
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89 ret = USBD_API->hw->Init(&UsbHandle, &DeviceDes, &usb_param);
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91 // trap failed initialization
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92 while(ret != LPC_OK);
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95 void UsbdRom_IrqHandler(void)
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97 USBD_API->hw->ISR(UsbHandle);
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100 ErrorCode_t UsbdRom_Event_Stub (USBD_HANDLE_T hUsb)
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104 #endif /* USB_DEVICE_ROM_DRIVER */
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106 #endif /* USB_CAN_BE_DEVICE */
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