Diff: USB_HOST/USBHost.h
- Revision:
- 0:76427232f435
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USB_HOST/USBHost.h Thu Feb 16 00:41:26 2012 +0000
@@ -0,0 +1,209 @@
+
+/*
+Copyright (c) 2010 Peter Barrett
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef USBHOST_H
+#define USBHOST_H
+
+#ifndef u8
+typedef unsigned char u8;
+typedef unsigned short u16;
+typedef unsigned long u32;
+
+typedef char s8;
+typedef short s16;
+typedef char s32;
+#endif
+
+#define ENDPOINT_CONTROL 0
+#define ENDPOINT_ISOCRONOUS 1
+#define ENDPOINT_BULK 2
+#define ENDPOINT_INTERRUPT 3
+
+#define DESCRIPTOR_TYPE_DEVICE 1
+#define DESCRIPTOR_TYPE_CONFIGURATION 2
+#define DESCRIPTOR_TYPE_STRING 3
+#define DESCRIPTOR_TYPE_INTERFACE 4
+#define DESCRIPTOR_TYPE_ENDPOINT 5
+
+#define DESCRIPTOR_TYPE_HID 0x21
+#define DESCRIPTOR_TYPE_REPORT 0x22
+#define DESCRIPTOR_TYPE_PHYSICAL 0x23
+#define DESCRIPTOR_TYPE_HUB 0x29
+
+enum USB_CLASS_CODE
+{
+ CLASS_DEVICE,
+ CLASS_AUDIO,
+ CLASS_COMM_AND_CDC_CONTROL,
+ CLASS_HID,
+ CLASS_PHYSICAL = 0x05,
+ CLASS_STILL_IMAGING,
+ CLASS_PRINTER,
+ CLASS_MASS_STORAGE,
+ CLASS_HUB,
+ CLASS_CDC_DATA,
+ CLASS_SMART_CARD,
+ CLASS_CONTENT_SECURITY = 0x0D,
+ CLASS_VIDEO = 0x0E,
+ CLASS_DIAGNOSTIC_DEVICE = 0xDC,
+ CLASS_WIRELESS_CONTROLLER = 0xE0,
+ CLASS_MISCELLANEOUS = 0xEF,
+ CLASS_APP_SPECIFIC = 0xFE,
+ CLASS_VENDOR_SPECIFIC = 0xFF
+};
+
+#define DEVICE_TO_HOST 0x80
+#define HOST_TO_DEVICE 0x00
+#define REQUEST_TYPE_CLASS 0x20
+#define RECIPIENT_DEVICE 0x00
+#define RECIPIENT_INTERFACE 0x01
+#define RECIPIENT_ENDPOINT 0x02
+#define RECIPIENT_OTHER 0x03
+
+#define GET_STATUS 0
+#define CLEAR_FEATURE 1
+#define SET_FEATURE 3
+#define SET_ADDRESS 5
+#define GET_DESCRIPTOR 6
+#define SET_DESCRIPTOR 7
+#define GET_CONFIGURATION 8
+#define SET_CONFIGURATION 9
+#define GET_INTERFACE 10
+#define SET_INTERFACE 11
+#define SYNCH_FRAME 11
+
+// -5 is nak
+/*
+0010 ACK Handshake
+1010 NAK Handshake
+1110 STALL Handshake
+0110 NYET (No Response Yet)
+*/
+
+#define IO_PENDING -100
+#define ERR_ENDPOINT_NONE_LEFT -101
+#define ERR_ENDPOINT_NOT_FOUND -102
+#define ERR_DEVICE_NOT_FOUND -103
+#define ERR_DEVICE_NONE_LEFT -104
+#define ERR_HUB_INIT_FAILED -105
+#define ERR_INTERFACE_NOT_FOUND -106
+
+typedef struct
+{
+ u8 bLength;
+ u8 bDescriptorType;
+ u16 bcdUSB;
+ u8 bDeviceClass;
+ u8 bDeviceSubClass;
+ u8 bDeviceProtocol;
+ u8 bMaxPacketSize;
+ u16 idVendor;
+ u16 idProduct;
+ u16 bcdDevice; // version
+ u8 iManufacturer;
+ u8 iProduct;
+ u8 iSerialNumber;
+ u8 bNumConfigurations;
+} DeviceDescriptor; // 16 bytes
+
+typedef struct
+{
+ u8 bLength;
+ u8 bDescriptorType;
+ u16 wTotalLength;
+ u8 bNumInterfaces;
+ u8 bConfigurationValue; // Value to use as an argument to select this configuration
+ u8 iConfiguration; // Index of String Descriptor describing this configuration
+ u8 bmAttributes; // Bitmap D7 Reserved, set to 1. (USB 1.0 Bus Powered),D6 Self Powered,D5 Remote Wakeup,D4..0 = 0
+ u8 bMaxPower; // Maximum Power Consumption in 2mA units
+} ConfigurationDescriptor;
+
+typedef struct
+{
+ u8 bLength;
+ u8 bDescriptorType;
+ u8 bInterfaceNumber;
+ u8 bAlternateSetting;
+ u8 bNumEndpoints;
+ u8 bInterfaceClass;
+ u8 bInterfaceSubClass;
+ u8 bInterfaceProtocol;
+ u8 iInterface; // Index of String Descriptor Describing this interface
+} InterfaceDescriptor;
+
+typedef struct
+{
+ u8 bLength;
+ u8 bDescriptorType;
+ u8 bEndpointAddress; // Bits 0:3 endpoint, Bits 7 Direction 0 = Out, 1 = In (Ignored for Control Endpoints)
+ u8 bmAttributes; // Bits 0:1 00 = Control, 01 = Isochronous, 10 = Bulk, 11 = Interrupt
+ u16 wMaxPacketSize;
+ u8 bInterval; // Interval for polling endpoint data transfers.
+} EndpointDescriptor;
+
+typedef struct {
+ u8 bLength;
+ u8 bDescriptorType;
+ u16 bcdHID;
+ u8 bCountryCode;
+ u8 bNumDescriptors;
+ u8 bDescriptorType2;
+ u16 wDescriptorLength;
+} HIDDescriptor;
+
+//============================================================================
+//============================================================================
+
+
+void USBInit();
+void USBLoop();
+u8* USBGetBuffer(u32* len);
+
+// Optional callback for transfers, called at interrupt time
+typedef void (*USBCallback)(int device, int endpoint, int status, u8* data, int len, void* userData);
+
+// Transfers
+int USBControlTransfer(int device, int request_type, int request, int value, int index, u8* data, int length, USBCallback callback = 0, void* userData = 0);
+int USBInterruptTransfer(int device, int ep, u8* data, int length, USBCallback callback = 0, void* userData = 0);
+int USBBulkTransfer(int device, int ep, u8* data, int length, USBCallback callback = 0, void* userData = 0);
+
+// Standard Device methods
+int GetDescriptor(int device, int descType, int descIndex, u8* data, int length);
+int GetString(int device, int index, char* dst, int length);
+int SetAddress(int device, int new_addr);
+int SetConfiguration(int device, int configNum);
+int SetInterface(int device, int ifNum, int altNum);
+
+// Implemented to notify app of the arrival of a device
+void OnLoadDevice(int device, DeviceDescriptor* deviceDesc, InterfaceDescriptor* interfaceDesc);
+void SetSCSIEndPoints(unsigned char in,unsigned char out);
+
+//Eli Adds
+extern unsigned char USB_Disk_Detected;
+extern unsigned char USB_Disk_Device;
+
+int MassStorage_ReadCapacity(u32* blockCount, u32* blockSize);
+int MassStorage_Read(u32 blockAddr, u32 blockCount, u8* dst, u32 blockSize);
+int MassStorage_Write(u32 blockAddr, u32 blockCount, u8* dst, u32 blockSize);
+
+#endif
\ No newline at end of file
Eli Hughes