usb.rar_USB驱动_ucos usb_usb ucos

#include "mx1_usb.h" #include "mx1_uart.h" #include <string.h> //#define USB_DISK_START 0x08800000 // last 16M of SDRAM //#define DISK_LAST_SECTOR 0x00006FFF // last sector of a 14M disk static U32 USB_DISK_START; static U32 DISK_LAST_SECTOR; //extern void SerialOutputString(unsigned char *s); //extern void printerror(int errnum, char *s); //extern int strncmp(const char *s1, const char *s2, unsigned int maxlen); #define printf( str ) MX1_UART_PutString( MX1_UART1, str, strlen(str) ) U8 bootSector[512] = { 0xEB,0x3C,0x90,0x4D,0x53,0x44,0x4F,0x53,0x35,0x2E,0x30,0x00,0x02,0x08,0x01,0x00, 0x02,0x00,0x02,0x00,0x70,0xF8,0x0B,0x00,0x3F,0x00,0xFF,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x29,0x8F,0x08,0x77,0xFE,0x4E,0x4F,0x20,0x4E,0x41, 0x4D,0x45,0x20,0x20,0x20,0x20,0x46,0x41,0x54,0x31,0x32,0x20,0x20,0x20,0x33,0xC9, 0x8E,0xD1,0xBC,0xF0,0x7B,0x8E,0xD9,0xB8,0x00,0x20,0x8E,0xC0,0xFC,0xBD,0x00,0x7C, 0x38,0x4E,0x24,0x7D,0x24,0x8B,0xC1,0x99,0xE8,0x3C,0x01,0x72,0x1C,0x83,0xEB,0x3A, 0x66,0xA1,0x1C,0x7C,0x26,0x66,0x3B,0x07,0x26,0x8A,0x57,0xFC,0x75,0x06,0x80,0xCA, 0x02,0x88,0x56,0x02,0x80,0xC3,0x10,0x73,0xEB,0x33,0xC9,0x8A,0x46,0x10,0x98,0xF7, 0x66,0x16,0x03,0x46,0x1C,0x13,0x56,0x1E,0x03,0x46,0x0E,0x13,0xD1,0x8B,0x76,0x11, 0x60,0x89,0x46,0xFC,0x89,0x56,0xFE,0xB8,0x20,0x00,0xF7,0xE6,0x8B,0x5E,0x0B,0x03, 0xC3,0x48,0xF7,0xF3,0x01,0x46,0xFC,0x11,0x4E,0xFE,0x61,0xBF,0x00,0x00,0xE8,0xE6, 0x00,0x72,0x39,0x26,0x38,0x2D,0x74,0x17,0x60,0xB1,0x0B,0xBE,0xA1,0x7D,0xF3,0xA6, 0x61,0x74,0x32,0x4E,0x74,0x09,0x83,0xC7,0x20,0x3B,0xFB,0x72,0xE6,0xEB,0xDC,0xA0, 0xFB,0x7D,0xB4,0x7D,0x8B,0xF0,0xAC,0x98,0x40,0x74,0x0C,0x48,0x74,0x13,0xB4,0x0E, 0xBB,0x07,0x00,0xCD,0x10,0xEB,0xEF,0xA0,0xFD,0x7D,0xEB,0xE6,0xA0,0xFC,0x7D,0xEB, 0xE1,0xCD,0x16,0xCD,0x19,0x26,0x8B,0x55,0x1A,0x52,0xB0,0x01,0xBB,0x00,0x00,0xE8, 0x3B,0x00,0x72,0xE8,0x5B,0x8A,0x56,0x24,0xBE,0x0B,0x7C,0x8B,0xFC,0xC7,0x46,0xF0, 0x3D,0x7D,0xC7,0x46,0xF4,0x29,0x7D,0x8C,0xD9,0x89,0x4E,0xF2,0x89,0x4E,0xF6,0xC6, 0x06,0x96,0x7D,0xCB,0xEA,0x03,0x00,0x00,0x20,0x0F,0xB6,0xC8,0x66,0x8B,0x46,0xF8, 0x66,0x03,0x46,0x1C,0x66,0x8B,0xD0,0x66,0xC1,0xEA,0x10,0xEB,0x5E,0x0F,0xB6,0xC8, 0x4A,0x4A,0x8A,0x46,0x0D,0x32,0xE4,0xF7,0xE2,0x03,0x46,0xFC,0x13,0x56,0xFE,0xEB, 0x4A,0x52,0x50,0x06,0x53,0x6A,0x01,0x6A,0x10,0x91,0x8B,0x46,0x18,0x96,0x92,0x33, 0xD2,0xF7,0xF6,0x91,0xF7,0xF6,0x42,0x87,0xCA,0xF7,0x76,0x1A,0x8A,0xF2,0x8A,0xE8, 0xC0,0xCC,0x02,0x0A,0xCC,0xB8,0x01,0x02,0x80,0x7E,0x02,0x0E,0x75,0x04,0xB4,0x42, 0x8B,0xF4,0x8A,0x56,0x24,0xCD,0x13,0x61,0x61,0x72,0x0B,0x40,0x75,0x01,0x42,0x03, 0x5E,0x0B,0x49,0x75,0x06,0xF8,0xC3,0x41,0xBB,0x00,0x00,0x60,0x66,0x6A,0x00,0xEB, 0xB0,0x4E,0x54,0x4C,0x44,0x52,0x20,0x20,0x20,0x20,0x20,0x20,0x0D,0x0A,0x4E,0x54, 0x4C,0x44,0x52,0x20,0x69,0x73,0x20,0x6D,0x69,0x73,0x73,0x69,0x6E,0x67,0xFF,0x0D, 0x0A,0x44,0x69,0x73,0x6B,0x20,0x65,0x72,0x72,0x6F,0x72,0xFF,0x0D,0x0A,0x50,0x72, 0x65,0x73,0x73,0x20,0x61,0x6E,0x79,0x20,0x6B,0x65,0x79,0x20,0x74,0x6F,0x20,0x72, 0x65,0x73,0x74,0x61,0x72,0x74,0x0D,0x0A,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xAC,0xBF,0xCC,0x55,0xAA }; U32 gEPconfigData[55] = { // EP0 0x00000000, 0x00000000, 0x00000008, 0x00000000, 0x00000000, // EP1 0x00000014, // EP#:1, CF#: 1, IF#:0 0x00000014, // BULK, IN 0x00000020, // MAX PS: 32 0x000000C0, // 0xC0, except for EP0 0x00000001, // FIFO#: 1 // EP2 0x00000024, // EP#:2, CF#: 1, IF#:0 0x00000010, // BULK, OUT 0x00000020, // MAX PS: 32 0x000000C0, // 0xC0, except for EP0 0x00000002, // FIFO#: 2 // EP3 0x00000034, // EP#:3, CF#: 1, IF#:0 0x0000001C, // INTR, IN 0x00000010, // MAX PS: 16 0x000000C0, // 0xC0, except for EP0 0x00000003, // FIFO#: 3 // EP4 0x00000044, // EP#:4, CF#: 1, IF#:0 0x00000018, // INTR, OIUT 0x00000010, // MAX PS: 16 0x000000C0, // 0xC0, except for EP0 0x00000004, // FIFO#: 4 // EP5 0x00000054, // EP#:5, CF#: 1, IF#:0 0x0000001C, // INTR, IN 0x00000010, // MAX PS: 16 0x000000C0, // 0xC0, except for EP0 0x00000005, // FIFO#: 5 // EP6 0x00000018, // EP#:1, CF#: 2, IF#:0 0x00000014, // BULK, IN 0x00000020, // MAX PS: 32 0x000000C0, // 0xC0, except for EP0 0x00000001, // FIFO#: 1 // EP7 0x00000028, // EP#:2, CF#: 2, IF#:0 0x00000010, // BULK, OUT 0x00000020, // MAX PS: 32 0x000000C0, // 0xC0, except for EP0 0x00000002, // FIFO#: 2 // EP8 0x00000038, // EP#:3, CF#: 2, IF#:0 0x0000001C, // INTR, IN 0x00000010, // MAX PS: 16 0x000000C0, // 0xC0, except for EP0 0x00000003, // FIFO#: 3 // EP9 0x00000048, // EP#:4, CF#: 2, IF#:0 0x00000018, // INTR, OIUT 0x00000010, // MAX PS: 16 0x000000C0, // 0xC0, except for EP0 0x00000004, // FIFO#: 4 // EP10 0x00000058, // EP#:5, CF#: 2, IF#:0 0x0000001C, // INTR, IN 0x00000010, // MAX PS: 16 0x000000C0, // 0xC0, except for EP0 0x00000005, // FIFO#: 5 }; U8 _gUsbDevReq[8]; /* device request from host */ const U32 _gUsbDevDscptr[5] = { // 0x12011001, 0x00000008, 0xC40700A2, 0x00130000, 0x00000001 }; // assume big endian 0x12011001, 0x00000008, 0xC4070000, 0x00130000, 0x00000001 }; // assume big endian const U32 _gUsbConfDscptr[8] = { // 0x09022000, 0x01010080, 0xFA090400, 0x00020806, 0x09022000, 0x010100C0, 0x01090400, 0x00020806, // 0x50000705, 0x81022000, 0x00070502, 0x02200000}; 0x50040705, 0x81022000, 0x00070502, 0x02200000}; P_U8 _gpUsbBufPtr; // pointer to buffer data U32 _gUsbNumSector; // number of sector to read/write U32 _gUsbCurSector; // current sector being read/write U32 _gUsbPacketCount; // USB packet count U8 _gCBW[31]; // command block wrapper U8 quit; U32 gLastSector; void formatDrive() { U32 i, j, k; U8 *p; p = (U8 *)USB_DISK_START; // write boot sector for (i=0; i<512; i++) { *(p++) = bootSector[i]; } // write FAT (2 copies) for (i=0; i<2; i++) { *(p++) = 0xF8; *(p++) = 0xFF; *(p++) = 0xFF; for (j=3; j<512; j++) *(p++) = 0; for (j=1; j<11; j++) for (k=0; k<512; k++) *(p++) = 0; } // write directory entries for (i=0; i<32; i++) for (j=0; j<512; j++) *(p++) = 0; } /* void delay(U32 count) { U32 i; i = 0; while (i<count) { i++; } } */ void initUSB() { U8 i; // SerialOutputString("Init USB module ...\n\r"); // set clock for 48 MHz USB clock //_reg_CCM_CSCR = 0x47008403; // PLAM _reg_CCM_CSCR &= ~USB_DIV_MASK; _reg_CCM_CSCR |= 0x04000000; // set USB DIV to divide-by-2 // _reg_CCM_CSCR=0x47008403; // end PLAM // config port for USBD _reg_PTB_GIUS &= 0x000FFFFF; // set PB31-28 to UART2 and PB27-20 to USBD _reg_PTB_GPR &= 0x000FFFFF; // select primary peripheral // init USB module // reset and enable USB device module _reg_USBD_ENABLE &= ~0x40000000; /* disable module */ // delay(10); i = 0; while (i<10) { i++; } _reg_USBD_ENABLE &= ~0x00000001; /* select 32-bit mode FIFO */ _reg_USBD_ENABLE &= ~0x10000000; /* Set big endian */ _reg_USBD_ENABLE |= 0x40000000; /* remark: resetting the module will enable module automatically */ while (!(_reg_USBD_ENABLE & 0x40000000)); // wait until it is enabled // SerialOutputString("USBD reset and enable okay.\n\r"); // fill endpoint configuration buffer for (i=0; i<55; i++) { _reg_USBD_EPBUF = gEPconfigData[i]; while (_reg_USBD_CFGBSY & 0x40000000); // wait until busy bit is cleared } // SerialOutputString("USBD config okay.\n\r"); // mask interrupts _reg_USBD_INTR_STAT = 0x800000FF; // clear general interrupts _reg_USBD_INTR_MASK = 0x800000FF; // mask all general interrupts _reg_USBD_EP0_INTR_STAT = 0x000001FF; // clear EP interrupts _reg_USBD_EP0_INTR_MASK = 0x000001FF; // mask all EP interrupts _reg_USBD_EP1_