ARM7_USB驱动开发源码

//#include"usb_drv.h" #include "config.h" #include "soucehead.h" #include "USB.h" #define CFG_NUM 32 volatile char GenEpBuf; //EPPFLAGS bEPPflags;/* Control endpoint TX/RX buffers */ //extern CONTROL_XFER ControlData;/* ISR static vars */ //unsigned char idata GenEpBuf[EP1_PACKET_SIZE]; //IO_REQUEST idata ioRequest; //unsigned long ClockTicks = 0; extern void Flash_page_read(unsigned long int flash_page_addr); extern void Flash_page_program(unsigned long int flash_page_addr); extern unsigned char Data_buffer[0x200]; extern void Screen_clear(void); int x=0,y=0; extern void Delay100ns(long int dly); extern void Delayms(long int dly); extern void Screen_clear(); extern void Display_hex(unsigned char hex,unsigned int window_start_x,unsigned int window_start_y,unsigned long int color,char times_x,char times_y); extern volatile unsigned char USBA0L; extern volatile unsigned char USBA0H; extern unsigned int LCD_x_size,LCD_y_size; extern void Display_string(char *string,unsigned int window_start_x,unsigned int window_start_y,unsigned long int color,char times_x,char times_y); extern void Flash_block_erase(unsigned int flash_block_addr); extern void Flash_page_program(unsigned long int flash_page_addr); unsigned char inquirydata[36]= {0,0x80,02,02, 0x1f,0,0,0, 0x6b,0x70,0x6d,0x20, 0x20,0x20,0x20,0x20, 0x6b,0x70,0x6d,0x20, 0x20,0x20,0x20,0x20, 0x20,0x20,0x20,0x20, 0x20,0x20,0x20,0x20, 0x20,0x20,0x20,0x20, }; unsigned char csw[64],cbw[31]; const char cap[8]={0,0x01,0xff,0xff,0x00,0x00,0x02,0x00}; const char fcap[12]={0,0,0,8,0,2,0,0,2,0,2,0}; const char mode[12]={0x0b,0,0,8,0,2,0,0,0,0,2,0}; /* inquirydata[0]=0x00;inquirydata[1]=0x80;inquirydata[2]=0x02;inquirydata[3]=0x02; inquirydata[4]=0x1f;inquirydata[5]=inquirydata[6]=inquirydata[7]=0; inquirydata[8]=0x6B;inquirydata[9]=0x70;inquirydata[10]=0x6D;inquirydata[11]=0x20; inquirydata[12]=0x20;inquirydata[13]=0x20;inquirydata[14]=0x20;inquirydata[15]=0x20; inquirydata[16]=0x6B;inquirydata[17]=0x70;inquirydata[18]=0x6D;inquirydata[19]=0x20; inquirydata[20]=0x20;inquirydata[21]=0x20;inquirydata[22]=0x20;inquirydata[23]=0x20; inquirydata[24]=0x20;inquirydata[25]=0x20;inquirydata[26]=0x20;inquirydata[27]=0x20; inquirydata[28]=0x20;inquirydata[29]=0x20;inquirydata[30]=0x20;inquirydata[31]=0x20; inquirydata[32]=0x20;inquirydata[33]=0x20;inquirydata[34]=0x20;inquirydata[35]=0x20; */ extern volatile unsigned char receive_buffer[0x8000]; unsigned long int count=0,count1=0; unsigned long int block_addr,block_addr_old; unsigned long int trans_start_page,flash_page_start; unsigned int trans_num; unsigned char USB; void Read_Flash_PAG0() { Flash_page_read(0); /*unsigned int i; for(i=0;i<512;i++) Data_buffer[i]=i&0xff; */ } void Outport_command(unsigned char val) { USBA0H=val; Delay100ns(5); } void Outport_data(unsigned char val) { USBA0L=val; Delay100ns(5); } unsigned char Inport_data(void) { unsigned char c; c=USBA0L; Delay100ns(5); return c; } void D12_SetAddressEnable(unsigned char bAddress, unsigned char bEnable) { if(bEPPflags.bits.in_isr == 0) DISABLE; Outport_command( 0xD0); if(bEnable) bAddress |= 0x80; Outport_data( bAddress); if(bEPPflags.bits.in_isr == 0) ENABLE; } void D12_SetEndpointEnable(unsigned char bEnable) { if(bEPPflags.bits.in_isr == 0) DISABLE; Outport_command( 0xD8); if(bEnable) Outport_data( 1); else Outport_data( 0); if(bEPPflags.bits.in_isr == 0) ENABLE; } void D12_SetMode(unsigned char bConfig, unsigned char bClkDiv) { if(bEPPflags.bits.in_isr == 0) DISABLE; Outport_command( 0xF3); Outport_data( bConfig); Outport_data( bClkDiv); if(bEPPflags.bits.in_isr == 0) ENABLE; } void D12_SetDMA(unsigned char bMode) { if(bEPPflags.bits.in_isr == 0) DISABLE; Outport_command( 0xFB); Outport_data( bMode); if(bEPPflags.bits.in_isr == 0) ENABLE; } unsigned short D12_ReadInterruptRegister(void) { unsigned char b1; unsigned int j; Outport_command( 0xF4); b1 = Inport_data();Delay100ns(1); j = Inport_data(); j <<= 8; j += b1; return j; } unsigned char D12_SelectEndpoint(unsigned char bEndp) { unsigned char c; if(bEPPflags.bits.in_isr == 0) DISABLE; Outport_command( bEndp); c = Inport_data(); if(bEPPflags.bits.in_isr == 0) ENABLE; return c; } unsigned char D12_ReadLastTransactionStatus(unsigned char bEndp) { Outport_command( 0x40 + bEndp); return Inport_data(); } unsigned char D12_ReadEndpointStatus(unsigned char bEndp) { unsigned char c; if(bEPPflags.bits.in_isr == 0) DISABLE; Outport_command( 0x80 + bEndp); c = Inport_data(); if(bEPPflags.bits.in_isr == 0) ENABLE; return c; } void D12_SetEndpointStatus(unsigned char bEndp, unsigned char bStalled) { if(bEPPflags.bits.in_isr == 0) DISABLE; Outport_command( 0x40 + bEndp); Outport_data( bStalled); if(bEPPflags.bits.in_isr == 0) ENABLE; } void D12_SendResume(void) { Outport_command( 0xF6); } unsigned short D12_ReadCurrentFrameNumber(void) { unsigned short i,j; if(bEPPflags.bits.in_isr == 0) DISABLE; Outport_command( 0xF5); i= Inport_data(); j = Inport_data(); i += (j<<8); if(bEPPflags.bits.in_isr == 0) ENABLE; return i; } unsigned short D12_ReadChipID(void) { unsigned short i,j; if(bEPPflags.bits.in_isr == 0) DISABLE; Outport_command( 0xFD); i=Inport_data(); j=Inport_data(); i += (j<<8); if(bEPPflags.bits.in_isr == 0)ENABLE; return i; } unsigned char D12_ReadEndpoint(unsigned char endp, unsigned char * buf, unsigned char len) { unsigned char i, j; if(bEPPflags.bits.in_isr == 0) DISABLE; Outport_command( endp); if((Inport_data() & D12_FULLEMPTY) == 0) { if(bEPPflags.bits.in_isr == 0) ENABLE; return 0; } Outport_command( 0xF0); j = Inport_data(); j = Inport_data(); if(j > len) j = len; for(i=0; i<j; i++) *(buf+i) = Inport_data(); Outport_command( 0xF2); if(bEPPflags.bits.in_isr == 0) ENABLE; return j; } // D12_ReadMainEndpoint() added by V2_2 to support double-buffering_ // Caller should assume maxium 128 bytes of returned data_ unsigned char D12_ReadMainEndpoint(unsigned char * buf) { unsigned char i, j, k = 0, bDblBuf = 1; if(bEPPflags.bits.in_isr == 0) DISABLE; Outport_command( 0x84); if( (Inport_data() & 0x60) == 0x60) bDblBuf = 2; while(bDblBuf) { Outport_command( 4); if((Inport_data() & D12_FULLEMPTY) == 0) break; Outport_command( 0xF0); j = Inport_data(); j = Inport_data(); for(i=0; i<j; i++) *(buf+i+k) = Inport_data(); k += j; Outport_command( 0xF2); bDblBuf --; } if(bEPPflags.bits.in_isr == 0) ENABLE; return k; } unsigned char D12_WriteEndpoint(unsigned char endp, unsigned char * buf, unsigned char len) { unsigned char i; if(bEPPflags.bits.in_isr == 0) DISABLE; Outport_command(endp); Inport_data(); Outport_command( 0xF0); Outport_data( 0); Outport_data( len); for(i=0; i<len; i++) Outport_data( *(buf+i)); Outport_command( 0xFA); if(bEPPflags.bits.in_isr == 0) ENABLE; return len; } void D12_AcknowledgeEndpoint(unsigned char endp) { Outport_command( endp); Outport_command( 0xF1); if(endp == 0) Outport_command( 0xF2); } const char DeviceDescr[] =//USB_DEVICE_DESCRIPTOR { 0x12, 0x01, 0x10,0x01, 0x00 , 0, 0, 0x10, 0x71,0x04,//SWAP(0x0471), 0x28,0x02,//SWAP(0x0222), 0x00,0x01,//SWAP(0x0100), 0, 0, 0, 1 }; const char ConfigDescr[] =//USB_CONFIGURATION_DESCRIPTOR { 9, 02, CFG_NUM,0, 1, 1, 0, 0x80, 0x32, 9, 0x04, 0, 0, 2, 8, 0x06, 0x50, 0, 7, 0x05, 0x81, 2, 64,0, 01, 6, 0x05, 0x02, 2, 64,0, 1, }; void suspend_change(void) { } void stall_ep0(void) { D12_SetEndpointStatus(0, 1); D12_SetEndpointStatus(1, 1); } void single_transmit(unsigned char * buf, unsigned char len) { if( len <= E