PDIUSBD12固件.rar_51 pdiusbd12_USB 固件_d12_d12 固件_usb

#include "usb_inc.h" //===================================== /* //************************************************************************* // USB protocol function pointer arrays //************************************************************************* */ code void (*StandardDeviceRequest[])(void) = { get_status, clear_feature, reserved, set_feature, reserved, set_address, get_descriptor, reserved, get_configuration, set_configuration, get_interface, set_interface, reserved, reserved, reserved, reserved }; code void (*VendorDeviceRequest[])(void) = { reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, reserved, read_write_register, reserved, reserved, reserved }; timer_isr() interrupt 1 { DISABLE; ClockTicks++; bEPPflags.bits.timer = 1; ENABLE; } usb_isr() interrupt 2 { unsigned char x; DISABLE; //fn_usb_isr(); //unsigned int st; //unsigned char x,st; bEPPflags.bits.in_isr = 1; x = D12_ReadInterruptRegister(); //st=x; //i=st; if(x != 0) { //if(i_st & D12_INT_BUSRESET) { if(x & 0x40) { bus_reset(); bEPPflags.bits.bus_reset = 1; } //if(x & D12_INT_EOT) //dma_eot(); if(x & D12_INT_SUSPENDCHANGE) bEPPflags.bits.suspend = 1; if(x & D12_INT_ENDP0IN) ep0_txdone(); if(x & D12_INT_ENDP0OUT) ep0_rxdone(); if(x & D12_INT_ENDP1IN) ep1_txdone(); if(x & D12_INT_ENDP1OUT) ep1_rxdone(); if(x & D12_INT_ENDP2IN) main_txdone(); if(x & D12_INT_ENDP2OUT) main_rxdone(); } bEPPflags.bits.in_isr = 0; ENABLE; } //================================================== /* PCON: SMOD | - | - | - | GF1|GF0|PD |IDL| TCON: TF1 | - |TF0| - |IE1 |IT1|IE0|IT0| */ /* Configure Timer 0 - Mode = 1 - Interrupt = ENABLED - Clock Source = INTERNAL - Enable Gating Control = DISABLED */ void init_timer0(void) { TMOD &= 0XF0; /* clear Timer 0 */ TMOD |= 0X1; TL0 = 0X0; /* value set by user */ TH0 = 0X0; /* value set by user */ ET0 = 1; /* IE.1*/ TR0 = 1; /* TCON.4 start timer */ PT0 = 1; //EA = 1; } void init_port() { P0 = 0xFF; P1 = 0xFF; P2 = 0xFF; P3 = 0xFF; D12SUSPD = 0; //D12 not in Suspend } //================================================================= void disconnect_USB(void) { // Initialize D12 configuration D12_SetMode(D12_NOLAZYCLOCK|D12_CLOCKRUNNING, D12_SETTOONE | D12_CLOCK_12M); } void connect_USB(void) { // reset event flags DISABLE; bEPPflags.value = 0; ENABLE; // ENABLE_INTERRUPTS; D12_SetEndpointStatus(4, 0); D12_SetEndpointStatus(5, 0); // V2.1 enable normal+sof interrupt D12_SetDMA(D12_ENDP4INTENABLE | D12_ENDP5INTENABLE); // Initialize D12 configuration //D12_SetMode(D12_NOLAZYCLOCK ,D12_SETTOONE | D12_CLOCK_12M ); D12_SetMode(D12_NOLAZYCLOCK |D12_CLOCKRUNNING|D12_SOFTCONNECT,D12_SETTOONE | D12_CLOCK_12M ); } void reconnect_USB(void) { unsigned long clk_cnt; // Pull-down D12's SUSPEND pin // Disable 74HCT123 pulse generation before disconnect // Release D12's SUSPEND pin after receiving bus reset from host D12SUSPD = 0; disconnect_USB(); ENABLE; //printf("Wait for 1 second ...\n"); for (clk_cnt=0;clk_cnt<50000;clk_cnt++); DISABLE; connect_USB(); } //------------------------------ void stall_ep0(void) { D12_SetEndpointStatus(0, 1); D12_SetEndpointStatus(1, 1); } //--------------- //---------------------------------- void check_key_LED(void) { static unsigned char c, last_key = 0xf; c = MCU_SWM0 & MCU_SWM1; c &= 0x0f; if (c != last_key) { D12_WriteEndpoint(3, 1, &c); } last_key = c; if(bEPPflags.bits.ep1_rxdone) { DISABLE; bEPPflags.bits.ep1_rxdone = 0; ENABLE; MCU_LED0 = !(GenEpBuf[3] & 0x1); MCU_LED1 = !(GenEpBuf[3] & 0x2); } } //-------------------------- void init_unconfig(void) { //unsigned char i; D12_SetEndpointEnable(0); /* Disable all endpoints but EPP0. */ } void init_config(void) { D12_SetEndpointEnable(1); /* Enable generic/iso endpoints. */ } //-------------------------- void single_transmit(unsigned char * buf, unsigned char len) { if( len <= EP0_PACKET_SIZE) { D12_WriteEndpoint(1, len, buf); } } void code_transmit(unsigned char code * pRomData, unsigned short len) { ControlData.wCount = 0; if(ControlData.wLength > len) ControlData.wLength = len; ControlData.pData = pRomData; if( ControlData.wLength >= EP0_PACKET_SIZE) { // 如果发送代码大于包长度 D12_WriteEndpoint(1, EP0_PACKET_SIZE, ControlData.pData); ControlData.wCount += EP0_PACKET_SIZE; DISABLE; bEPPflags.bits.control_state = USB_TRANSMIT; ENABLE; } else { //发送代码小于包长度 D12_WriteEndpoint(1, ControlData.wLength, pRomData); ControlData.wCount += ControlData.wLength; DISABLE; bEPPflags.bits.control_state = USB_IDLE; ENABLE; } } //--------------------------- void setup_dma() { ioSize = ioRequest.uSize; ioCount = 0; DISABLE; bEPPflags.bits.dma_state = DMA_RUNNING; ENABLE; single_transmit(0, 0); if(ioRequest.bCommand & 0x1) { if(ioSize > 64 || ioSize == 0) { //if(bNoRAM) D12_WriteEndpoint(5, 64, EpBuf); //else // D12_WriteEndpoint(5, 64, MainEpBuf); ioCount += 64; } else { //if(bNoRAM) D12_WriteEndpoint(5, ioSize, EpBuf); //else // D12_WriteEndpoint(5, ioSize, MainEpBuf); ioCount += ioSize; } } } //------------------------------ void control_handler() { unsigned char type, req; type = ControlData.DeviceRequest.bmRequestType & USB_REQUEST_TYPE_MASK; //0x60 req = ControlData.DeviceRequest.bRequest & USB_REQUEST_MASK; //0x0F //help_devreq(type, req); // print out device request if (type == USB_STANDARD_REQUEST) (*StandardDeviceRequest[req])(); else if (type == USB_VENDOR_REQUEST) (*VendorDeviceRequest[req])(); else stall_ep0(); } //------------------------------------------- //------------------------------------------- void main() { unsigned char i; //bNoRam=1; //DISABLE; init_port(); init_timer0(); EA = 0; //for test MCU_LED0=0; MCU_LED1=0; MCU_LED0=1; MCU_LED1=1; IE1=0; IT1=0; EX1=1; //----------------------- //for(i = 0; i < 16; i ++) // MainEpBuf[i] = i; //for(i = 0; i < 16; i ++) { // if(MainEpBuf[i] != i) // break; // } //if(i < 16) bNoRAM = FALSE; //else // bNoRAM = FALSE; //-------------------------- //bNoRam=TRUE; //--------------------------- //---------------------------- /* if(MCU_SWM0 == 0 && MCU_SWM1 == 0) { MCU_D12RST = 0; MCU_D12RST = 1; D12_SetDMA(0x0); } */ //if((i = D12_GetDMA()) == 0xC3) // {D12_SendResume();} //else { // bEPPflags.value = 0; /* Power on reset, lightup LEDs for 1 sec, disconnect and reconnect Soft-Connect */ //printf("\nPDIUSBD12 SMART evaluation board firmware V3.0.\n"); i=D12_ReadInterruptRegister(); i=0; //i=D12_ReadEndpointStatus(0); i=D12_ReadLastTransactionStatus(0); i=D12_ReadLastTransactionStatus(1); i=D12_ReadLastTransactionStatus(2); i=D12_ReadLastTransactionStatus(3); i=D12_ReadLastTransactionStatus(4); i=D12_ReadLastTransactionStatus(5); ENABLE; reconnect_USB(); ENABLE; // } //======================================= /* Main program loop */ while( TRUE ){ if (bEPPflags.bits.timer) { DISABLE; bEPPflags.bits.timer = 0; ENABLE; if(bEPPflags.bits.configuration) check_key_LED(); } if (bEPPflags.bits.bus_reset) { DISABLE; bEPPflags.bits.bus_reset = 0;