-//-----------------------------------------------------------------------------\r
-// My USB driver. This has to be common, because it exists in both the\r
-// bootrom and the application.\r
-// Jonathan Westhues, split Aug 14 2005\r
-//-----------------------------------------------------------------------------\r
-#include <proxmark3.h>\r
-\r
-#define min(a, b) (((a) > (b)) ? (b) : (a))\r
-\r
-#define USB_REPORT_PACKET_SIZE 64\r
-\r
-typedef struct PACKED {\r
- BYTE bmRequestType;\r
- BYTE bRequest;\r
- WORD wValue;\r
- WORD wIndex;\r
- WORD wLength;\r
-} UsbSetupData;\r
-\r
-#define USB_REQUEST_GET_STATUS 0\r
-#define USB_REQUEST_CLEAR_FEATURE 1\r
-#define USB_REQUEST_SET_FEATURE 3\r
-#define USB_REQUEST_SET_ADDRESS 5\r
-#define USB_REQUEST_GET_DESCRIPTOR 6\r
-#define USB_REQUEST_SET_DESCRIPTOR 7\r
-#define USB_REQUEST_GET_CONFIGURATION 8\r
-#define USB_REQUEST_SET_CONFIGURATION 9\r
-#define USB_REQUEST_GET_INTERFACE 10\r
-#define USB_REQUEST_SET_INTERFACE 11\r
-#define USB_REQUEST_SYNC_FRAME 12\r
-\r
-#define USB_DESCRIPTOR_TYPE_DEVICE 1\r
-#define USB_DESCRIPTOR_TYPE_CONFIGURATION 2\r
-#define USB_DESCRIPTOR_TYPE_STRING 3\r
-#define USB_DESCRIPTOR_TYPE_INTERFACE 4\r
-#define USB_DESCRIPTOR_TYPE_ENDPOINT 5\r
-#define USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER 6\r
-#define USB_DESCRIPTOR_TYPE_OTHER_SPEED_CONF 7\r
-#define USB_DESCRIPTOR_TYPE_INTERFACE_POWER 8\r
-#define USB_DESCRIPTOR_TYPE_HID 0x21\r
-#define USB_DESCRIPTOR_TYPE_HID_REPORT 0x22\r
-\r
-#define USB_DEVICE_CLASS_HID 0x03\r
-\r
-static const BYTE HidReportDescriptor[] = {\r
- 0x06,0xA0,0xFF, // Usage Page (vendor defined) FFA0\r
- 0x09,0x01, // Usage (vendor defined)\r
- 0xA1,0x01, // Collection (Application)\r
- 0x09,0x02, // Usage (vendor defined)\r
- 0xA1,0x00, // Collection (Physical)\r
- 0x06,0xA1,0xFF, // Usage Page (vendor defined)\r
-\r
- //The,input report\r
- 0x09,0x03, // usage - vendor defined\r
- 0x09,0x04, // usage - vendor defined\r
- 0x15,0x80, // Logical Minimum (-128)\r
- 0x25,0x7F, // Logical Maximum (127)\r
- 0x35,0x00, // Physical Minimum (0)\r
- 0x45,0xFF, // Physical Maximum (255)\r
- 0x75,0x08, // Report Size (8) (bits)\r
- 0x95,0x40, // Report Count (64) (fields)\r
- 0x81,0x02, // Input (Data,Variable,Absolute)\r
-\r
- //The,output report\r
- 0x09,0x05, // usage - vendor defined\r
- 0x09,0x06, // usage - vendor defined\r
- 0x15,0x80, // Logical Minimum (-128)\r
- 0x25,0x7F, // Logical Maximum (127)\r
- 0x35,0x00, // Physical Minimum (0)\r
- 0x45,0xFF, // Physical Maximum (255)\r
- 0x75,0x08, // Report Size (8) (bits)\r
- 0x95,0x40, // Report Count (64) (fields)\r
- 0x91,0x02, // Output (Data,Variable,Absolute)\r
-\r
- 0xC0, // End Collection\r
-\r
- 0xC0, // End Collection\r
-};\r
-\r
-static const BYTE DeviceDescriptor[] = {\r
- 0x12, // Descriptor length (18 bytes)\r
- 0x01, // Descriptor type (Device)\r
- 0x10,0x01, // Complies with USB Spec. Release (0110h = release 1.10)\r
- 0x00, // Class code (0)\r
- 0x00, // Subclass code (0)\r
- 0x00, // Protocol (No specific protocol)\r
- 0x08, // Maximum packet size for Endpoint 0 (8 bytes)\r
- 0xc4,0x9a, // Vendor ID (random numbers)\r
- 0x8f,0x4b, // Product ID (random numbers)\r
- 0x01,0x00, // Device release number (0001)\r
- 0x01, // Manufacturer string descriptor index\r
- 0x02, // Product string descriptor index\r
- 0x00, // Serial Number string descriptor index (None)\r
- 0x01, // Number of possible configurations (1)\r
-};\r
-\r
-static const BYTE ConfigurationDescriptor[] = {\r
- 0x09, // Descriptor length (9 bytes)\r
- 0x02, // Descriptor type (Configuration)\r
- 0x29,0x00, // Total data length (41 bytes)\r
- 0x01, // Interface supported (1)\r
- 0x01, // Configuration value (1)\r
- 0x00, // Index of string descriptor (None)\r
- 0x80, // Configuration (Bus powered)\r
- 250, // Maximum power consumption (500mA)\r
-\r
- //interface\r
- 0x09, // Descriptor length (9 bytes)\r
- 0x04, // Descriptor type (Interface)\r
- 0x00, // Number of interface (0)\r
- 0x00, // Alternate setting (0)\r
- 0x02, // Number of interface endpoint (2)\r
- 0x03, // Class code (HID)\r
- 0x00, // Subclass code ()\r
- 0x00, // Protocol code ()\r
- 0x00, // Index of string()\r
-\r
- // class\r
- 0x09, // Descriptor length (9 bytes)\r
- 0x21, // Descriptor type (HID)\r
- 0x00,0x01, // HID class release number (1.00)\r
- 0x00, // Localized country code (None)\r
- 0x01, // # of HID class dscrptr to follow (1)\r
- 0x22, // Report descriptor type (HID)\r
- // Total length of report descriptor\r
- sizeof(HidReportDescriptor),0x00,\r
-\r
- // endpoint 1\r
- 0x07, // Descriptor length (7 bytes)\r
- 0x05, // Descriptor type (Endpoint)\r
- 0x01, // Encoded address (Respond to OUT)\r
- 0x03, // Endpoint attribute (Interrupt transfer)\r
- 0x08,0x00, // Maximum packet size (8 bytes)\r
- 0x01, // Polling interval (1 ms)\r
-\r
- // endpoint 2\r
- 0x07, // Descriptor length (7 bytes)\r
- 0x05, // Descriptor type (Endpoint)\r
- 0x82, // Encoded address (Respond to IN)\r
- 0x03, // Endpoint attribute (Interrupt transfer)\r
- 0x08,0x00, // Maximum packet size (8 bytes)\r
- 0x01, // Polling interval (1 ms)\r
-};\r
-\r
-static const BYTE StringDescriptor0[] = {\r
- 0x04, // Length\r
- 0x03, // Type is string\r
- 0x09, // English\r
- 0x04, // US\r
-};\r
-\r
-static const BYTE StringDescriptor1[] = {\r
- 24, // Length\r
- 0x03, // Type is string\r
- 'J', 0x00,\r
- '.', 0x00,\r
- ' ', 0x00,\r
- 'W', 0x00,\r
- 'e', 0x00,\r
- 's', 0x00,\r
- 't', 0x00,\r
- 'h', 0x00,\r
- 'u', 0x00,\r
- 'e', 0x00,\r
- 's', 0x00,\r
-};\r
-\r
-static const BYTE StringDescriptor2[] = {\r
- 54, // Length\r
- 0x03, // Type is string\r
- 'P', 0x00,\r
- 'r', 0x00,\r
- 'o', 0x00,\r
- 'x', 0x00,\r
- 'M', 0x00,\r
- 'a', 0x00,\r
- 'r', 0x00,\r
- 'k', 0x00,\r
- '-', 0x00,\r
- '3', 0x00,\r
- ' ', 0x00,\r
- 'R', 0x00,\r
- 'F', 0x00,\r
- 'I', 0x00,\r
- 'D', 0x00,\r
- ' ', 0x00,\r
- 'I', 0x00,\r
- 'n', 0x00,\r
- 's', 0x00,\r
- 't', 0x00,\r
- 'r', 0x00,\r
- 'u', 0x00,\r
- 'm', 0x00,\r
- 'e', 0x00,\r
- 'n', 0x00,\r
- 't', 0x00,\r
-};\r
-\r
-static const BYTE * const StringDescriptors[] = {\r
- StringDescriptor0,\r
- StringDescriptor1,\r
- StringDescriptor2,\r
-};\r
-\r
-\r
-static BYTE UsbBuffer[64];\r
-static int UsbSoFarCount;\r
-\r
-static BYTE CurrentConfiguration;\r
-\r
-static void UsbSendEp0(const BYTE *data, int len)\r
-{\r
- int thisTime, i;\r
-\r
- do {\r
- thisTime = min(len, 8);\r
- len -= thisTime;\r
-\r
- for(i = 0; i < thisTime; i++) {\r
- UDP_ENDPOINT_FIFO(0) = *data;\r
- data++;\r
- }\r
-\r
- if(UDP_ENDPOINT_CSR(0) & UDP_CSR_TX_PACKET_ACKED) {\r
- UDP_ENDPOINT_CSR(0) &= ~UDP_CSR_TX_PACKET_ACKED;\r
- while(UDP_ENDPOINT_CSR(0) & UDP_CSR_TX_PACKET_ACKED)\r
- ;\r
- }\r
-\r
- UDP_ENDPOINT_CSR(0) |= UDP_CSR_TX_PACKET;\r
-\r
- do {\r
- if(UDP_ENDPOINT_CSR(0) & UDP_CSR_RX_PACKET_RECEIVED_BANK_0) {\r
- // This means that the host is trying to write to us, so\r
- // abandon our write to them.\r
- UDP_ENDPOINT_CSR(0) &= ~UDP_CSR_RX_PACKET_RECEIVED_BANK_0;\r
- return;\r
- }\r
- } while(!(UDP_ENDPOINT_CSR(0) & UDP_CSR_TX_PACKET_ACKED));\r
- } while(len > 0);\r
-\r
- if(UDP_ENDPOINT_CSR(0) & UDP_CSR_TX_PACKET_ACKED) {\r
- UDP_ENDPOINT_CSR(0) &= ~UDP_CSR_TX_PACKET_ACKED;\r
- while(UDP_ENDPOINT_CSR(0) & UDP_CSR_TX_PACKET_ACKED)\r
- ;\r
- }\r
-}\r
-\r
-static void UsbSendZeroLength(void)\r
-{\r
- UDP_ENDPOINT_CSR(0) |= UDP_CSR_TX_PACKET;\r
-\r
- while(!(UDP_ENDPOINT_CSR(0) & UDP_CSR_TX_PACKET_ACKED))\r
- ;\r
-\r
- UDP_ENDPOINT_CSR(0) &= ~UDP_CSR_TX_PACKET_ACKED;\r
-\r
- while(UDP_ENDPOINT_CSR(0) & UDP_CSR_TX_PACKET_ACKED)\r
- ;\r
-}\r
-\r
-static void HandleRxdSetupData(void)\r
-{\r
- int i;\r
- UsbSetupData usd;\r
-\r
- for(i = 0; i < sizeof(usd); i++) {\r
- ((BYTE *)&usd)[i] = UDP_ENDPOINT_FIFO(0);\r
- }\r
-\r
- if(usd.bmRequestType & 0x80) {\r
- UDP_ENDPOINT_CSR(0) |= UDP_CSR_CONTROL_DATA_DIR;\r
- while(!(UDP_ENDPOINT_CSR(0) & UDP_CSR_CONTROL_DATA_DIR))\r
- ;\r
- }\r
-\r
- UDP_ENDPOINT_CSR(0) &= ~UDP_CSR_RX_HAVE_READ_SETUP_DATA;\r
- while(UDP_ENDPOINT_CSR(0) & UDP_CSR_RX_HAVE_READ_SETUP_DATA)\r
- ;\r
-\r
- switch(usd.bRequest) {\r
- case USB_REQUEST_GET_DESCRIPTOR:\r
- if((usd.wValue >> 8) == USB_DESCRIPTOR_TYPE_DEVICE) {\r
- UsbSendEp0((BYTE *)&DeviceDescriptor,\r
- min(sizeof(DeviceDescriptor), usd.wLength));\r
- } else if((usd.wValue >> 8) == USB_DESCRIPTOR_TYPE_CONFIGURATION) {\r
- UsbSendEp0((BYTE *)&ConfigurationDescriptor,\r
- min(sizeof(ConfigurationDescriptor), usd.wLength));\r
- } else if((usd.wValue >> 8) == USB_DESCRIPTOR_TYPE_STRING) {\r
- const BYTE *s = StringDescriptors[usd.wValue & 0xff];\r
- UsbSendEp0(s, min(s[0], usd.wLength));\r
- } else if((usd.wValue >> 8) == USB_DESCRIPTOR_TYPE_HID_REPORT) {\r
- UsbSendEp0((BYTE *)&HidReportDescriptor,\r
- min(sizeof(HidReportDescriptor), usd.wLength));\r
- } else {\r
- *((DWORD *)0x00200000) = usd.wValue;\r
- }\r
- break;\r
-\r
- case USB_REQUEST_SET_ADDRESS:\r
- UsbSendZeroLength();\r
- UDP_FUNCTION_ADDR = UDP_FUNCTION_ADDR_ENABLED | usd.wValue ;\r
- if(usd.wValue != 0) {\r
- UDP_GLOBAL_STATE = UDP_GLOBAL_STATE_ADDRESSED;\r
- } else {\r
- UDP_GLOBAL_STATE = 0;\r
- }\r
- break;\r
-\r
- case USB_REQUEST_GET_CONFIGURATION:\r
- UsbSendEp0(&CurrentConfiguration, sizeof(CurrentConfiguration));\r
- break;\r
-\r
- case USB_REQUEST_GET_STATUS: {\r
- if(usd.bmRequestType & 0x80) {\r
- WORD w = 0;\r
- UsbSendEp0((BYTE *)&w, sizeof(w));\r
- }\r
- break;\r
- }\r
- case USB_REQUEST_SET_CONFIGURATION:\r
- CurrentConfiguration = usd.wValue;\r
- if(CurrentConfiguration) {\r
- UDP_GLOBAL_STATE = UDP_GLOBAL_STATE_CONFIGURED;\r
- UDP_ENDPOINT_CSR(1) = UDP_CSR_ENABLE_EP |\r
- UDP_CSR_EPTYPE_INTERRUPT_OUT;\r
- UDP_ENDPOINT_CSR(2) = UDP_CSR_ENABLE_EP |\r
- UDP_CSR_EPTYPE_INTERRUPT_IN;\r
- } else {\r
- UDP_GLOBAL_STATE = UDP_GLOBAL_STATE_ADDRESSED;\r
- UDP_ENDPOINT_CSR(1) = 0;\r
- UDP_ENDPOINT_CSR(2) = 0;\r
- }\r
- UsbSendZeroLength();\r
- break;\r
-\r
- case USB_REQUEST_GET_INTERFACE: {\r
- BYTE b = 0;\r
- UsbSendEp0(&b, sizeof(b));\r
- break;\r
- }\r
-\r
- case USB_REQUEST_SET_INTERFACE:\r
- UsbSendZeroLength();\r
- break;\r
-\r
- case USB_REQUEST_CLEAR_FEATURE:\r
- case USB_REQUEST_SET_FEATURE:\r
- case USB_REQUEST_SET_DESCRIPTOR:\r
- case USB_REQUEST_SYNC_FRAME:\r
- default:\r
- break;\r
- }\r
-}\r
-\r
-void UsbSendPacket(BYTE *packet, int len)\r
-{\r
- int i, thisTime;\r
-\r
- while(len > 0) {\r
- thisTime = min(len, 8);\r
-\r
- for(i = 0; i < thisTime; i++) {\r
- UDP_ENDPOINT_FIFO(2) = packet[i];\r
- }\r
- UDP_ENDPOINT_CSR(2) |= UDP_CSR_TX_PACKET;\r
-\r
- while(!(UDP_ENDPOINT_CSR(2) & UDP_CSR_TX_PACKET_ACKED))\r
- ;\r
- UDP_ENDPOINT_CSR(2) &= ~UDP_CSR_TX_PACKET_ACKED;\r
-\r
- while(UDP_ENDPOINT_CSR(2) & UDP_CSR_TX_PACKET_ACKED)\r
- ;\r
-\r
- len -= thisTime;\r
- packet += thisTime;\r
- }\r
-}\r
-\r
-static void HandleRxdData(void)\r
-{\r
- int i, len;\r
-\r
- if(UDP_ENDPOINT_CSR(1) & UDP_CSR_RX_PACKET_RECEIVED_BANK_0) {\r
- len = UDP_CSR_BYTES_RECEIVED(UDP_ENDPOINT_CSR(1));\r
-\r
- for(i = 0; i < len; i++) {\r
- UsbBuffer[UsbSoFarCount] = UDP_ENDPOINT_FIFO(1);\r
- UsbSoFarCount++;\r
- }\r
-\r
- UDP_ENDPOINT_CSR(1) &= ~UDP_CSR_RX_PACKET_RECEIVED_BANK_0;\r
- while(UDP_ENDPOINT_CSR(1) & UDP_CSR_RX_PACKET_RECEIVED_BANK_0)\r
- ;\r
-\r
- if(UsbSoFarCount >= 64) {\r
- UsbPacketReceived(UsbBuffer, UsbSoFarCount);\r
- UsbSoFarCount = 0;\r
- }\r
- }\r
-\r
- if(UDP_ENDPOINT_CSR(1) & UDP_CSR_RX_PACKET_RECEIVED_BANK_1) {\r
- len = UDP_CSR_BYTES_RECEIVED(UDP_ENDPOINT_CSR(1));\r
-\r
- for(i = 0; i < len; i++) {\r
- UsbBuffer[UsbSoFarCount] = UDP_ENDPOINT_FIFO(1);\r
- UsbSoFarCount++;\r
- }\r
-\r
- UDP_ENDPOINT_CSR(1) &= ~UDP_CSR_RX_PACKET_RECEIVED_BANK_1;\r
- while(UDP_ENDPOINT_CSR(1) & UDP_CSR_RX_PACKET_RECEIVED_BANK_1)\r
- ;\r
-\r
- if(UsbSoFarCount >= 64) {\r
- UsbPacketReceived(UsbBuffer, UsbSoFarCount);\r
- UsbSoFarCount = 0;\r
- }\r
- }\r
-}\r
-\r
-void UsbStart(void)\r
-{\r
- volatile int i;\r
-\r
- UsbSoFarCount = 0;\r
-\r
- USB_D_PLUS_PULLUP_OFF();\r
-\r
- for(i = 0; i < 1000000; i++)\r
- ;\r
-\r
- USB_D_PLUS_PULLUP_ON();\r
-\r
- if(UDP_INTERRUPT_STATUS & UDP_INTERRUPT_END_OF_BUS_RESET) {\r
- UDP_INTERRUPT_CLEAR = UDP_INTERRUPT_END_OF_BUS_RESET;\r
- }\r
-}\r
-\r
-BOOL UsbPoll(BOOL blinkLeds)\r
-{\r
- BOOL ret = FALSE;\r
-\r
- if(UDP_INTERRUPT_STATUS & UDP_INTERRUPT_END_OF_BUS_RESET) {\r
- UDP_INTERRUPT_CLEAR = UDP_INTERRUPT_END_OF_BUS_RESET;\r
-\r
- // following a reset we should be ready to receive a setup packet\r
- UDP_RESET_ENDPOINT = 0xf;\r
- UDP_RESET_ENDPOINT = 0;\r
-\r
- UDP_FUNCTION_ADDR = UDP_FUNCTION_ADDR_ENABLED;\r
-\r
- UDP_ENDPOINT_CSR(0) = UDP_CSR_EPTYPE_CONTROL | UDP_CSR_ENABLE_EP;\r
-\r
- CurrentConfiguration = 0;\r
-\r
- ret = TRUE;\r
- }\r
-\r
- if(UDP_INTERRUPT_STATUS & UDP_INTERRUPT_ENDPOINT(0)) {\r
- if(UDP_ENDPOINT_CSR(0) & UDP_CSR_RX_HAVE_READ_SETUP_DATA) {\r
- HandleRxdSetupData();\r
- ret = TRUE;\r
- }\r
- }\r
-\r
- if(UDP_INTERRUPT_STATUS & UDP_INTERRUPT_ENDPOINT(1)) {\r
- HandleRxdData();\r
- ret = TRUE;\r
- }\r
-\r
- return ret;\r
-}\r
projects / proxmark3-svn / blobdiff