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Repetier-Firmware-4-Davinci/src/ArduinoDUE/AdditionalArduinoFiles/Arduino - 1.6.5 -Due 1.6.4/Arduino15/packages/hardware/sam/1.6.4/cores/arduino/USB/USBCore.cpp

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23 KiB
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Czysty Wina Historia

// Copyright (c) 2010, Peter Barrett
/*
** Permission to use, copy, modify, and/or distribute this software for
** any purpose with or without fee is hereby granted, provided that the
** above copyright notice and this permission notice appear in all copies.
**
** THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
** WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
** WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR
** BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES
** OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
** WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
** ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
** SOFTWARE.
*/
#include "Arduino.h"
#include "USBAPI.h"
#include "Reset.h"
#include <stdio.h>
//#define TRACE_CORE(x) x
#define TRACE_CORE(x)
static const uint32_t EndPoints[] =
{
EP_TYPE_CONTROL,
#ifdef CDC_ENABLED
EP_TYPE_INTERRUPT_IN, // CDC_ENDPOINT_ACM
EP_TYPE_BULK_OUT, // CDC_ENDPOINT_OUT
EP_TYPE_BULK_IN, // CDC_ENDPOINT_IN
#endif
#ifdef HID_ENABLED
EP_TYPE_INTERRUPT_IN_HID // HID_ENDPOINT_INT
#endif
};
/** Pulse generation counters to keep track of the number of milliseconds remaining for each pulse type */
#define TX_RX_LED_PULSE_MS 100
volatile uint8_t TxLEDPulse; /**< Milliseconds remaining for data Tx LED pulse */
volatile uint8_t RxLEDPulse; /**< Milliseconds remaining for data Rx LED pulse */
static char isRemoteWakeUpEnabled = 0;
static char isEndpointHalt = 0;
//==================================================================
//==================================================================
extern const uint16_t STRING_LANGUAGE[];
extern const uint8_t STRING_PRODUCT[];
extern const uint8_t STRING_MANUFACTURER[];
extern const DeviceDescriptor USB_DeviceDescriptor;
extern const DeviceDescriptor USB_DeviceDescriptorA;
const uint16_t STRING_LANGUAGE[2] = {
(3<<8) | (2+2),
0x0409 // English
};
#ifndef USB_PRODUCT
// Use a hardcoded product name if none is provided
#if USB_PID == USB_PID_DUE
#define USB_PRODUCT "Arduino Due"
#else
#define USB_PRODUCT "USB IO Board"
#endif
#endif
const uint8_t STRING_PRODUCT[] = USB_PRODUCT;
#if USB_VID == 0x2341
# if defined(USB_MANUFACTURER)
# undef USB_MANUFACTURER
# endif
# define USB_MANUFACTURER "Arduino LLC"
#elif !defined(USB_MANUFACTURER)
// Fall through to unknown if no manufacturer name was provided in a macro
# define USB_MANUFACTURER "Unknown"
#endif
const uint8_t STRING_MANUFACTURER[12] = USB_MANUFACTURER;
#ifdef CDC_ENABLED
#define DEVICE_CLASS 0x02
#else
#define DEVICE_CLASS 0x00
#endif
// DEVICE DESCRIPTOR
const DeviceDescriptor USB_DeviceDescriptor =
D_DEVICE(0x00,0x00,0x00,64,USB_VID,USB_PID,0x100,IMANUFACTURER,IPRODUCT,0,1);
const DeviceDescriptor USB_DeviceDescriptorA =
D_DEVICE(DEVICE_CLASS,0x00,0x00,64,USB_VID,USB_PID,0x100,IMANUFACTURER,IPRODUCT,0,1);
const DeviceDescriptor USB_DeviceQualifier =
D_QUALIFIER(0x00,0x00,0x00,64,1);
//! 7.1.20 Test Mode Support
static const unsigned char test_packet_buffer[] = {
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // JKJKJKJK * 9
0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA,0xAA, // JJKKJJKK * 8
0xEE,0xEE,0xEE,0xEE,0xEE,0xEE,0xEE,0xEE, // JJJJKKKK * 8
0xFE,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF, // JJJJJJJKKKKKKK * 8
0x7F,0xBF,0xDF,0xEF,0xF7,0xFB,0xFD, // JJJJJJJK * 8
0xFC,0x7E,0xBF,0xDF,0xEF,0xF7,0xFB,0xFD,0x7E // {JKKKKKKK * 10}, JK
};
//==================================================================
//==================================================================
volatile uint32_t _usbConfiguration = 0;
volatile uint32_t _usbInitialized = 0;
uint32_t _usbSetInterface = 0;
uint32_t _cdcComposite = 0;
//==================================================================
//==================================================================
#define USB_RECV_TIMEOUT
class LockEP
{
irqflags_t flags;
public:
LockEP(uint32_t ep) : flags(cpu_irq_save())
{
}
~LockEP()
{
cpu_irq_restore(flags);
}
};
// Number of bytes, assumes a rx endpoint
uint32_t USBD_Available(uint32_t ep)
{
LockEP lock(ep);
return UDD_FifoByteCount(ep & 0xF);
}
// Non Blocking receive
// Return number of bytes read
uint32_t USBD_Recv(uint32_t ep, void* d, uint32_t len)
{
if (!_usbConfiguration)
return -1;
LockEP lock(ep);
uint32_t n = UDD_FifoByteCount(ep & 0xF);
len = min(n,len);
n = len;
uint8_t* dst = (uint8_t*)d;
while (n--)
*dst++ = UDD_Recv8(ep & 0xF);
if (len && !UDD_FifoByteCount(ep & 0xF)) // release empty buffer
UDD_ReleaseRX(ep & 0xF);
return len;
}
// Recv 1 byte if ready
uint32_t USBD_Recv(uint32_t ep)
{
uint8_t c;
if (USBD_Recv(ep & 0xF, &c, 1) != 1)
return -1;
else
return c;
}
// Space in send EP
//uint32_t USBD_SendSpace(uint32_t ep)
//{
//LockEP lock(ep);
//// if (!UDD_ReadWriteAllowed(ep & 0xF))
////{
////printf("pb "); // UOTGHS->UOTGHS_DEVEPTISR[%d]=0x%X\n\r", ep, UOTGHS->UOTGHS_DEVEPTISR[ep]);
////return 0;
////}
//if(ep==0) return 64 - UDD_FifoByteCount(ep & 0xF); // EP0_SIZE jcb
//else return 512 - UDD_FifoByteCount(ep & 0xF); // EPX_SIZE jcb
//}
// Blocking Send of data to an endpoint
uint32_t USBD_Send(uint32_t ep, const void* d, uint32_t len)
{
uint32_t n;
int r = len;
const uint8_t* data = (const uint8_t*)d;
if (!_usbConfiguration)
{
TRACE_CORE(printf("pb conf\n\r");)
return -1;
}
while (len)
{
if(ep==0) n = EP0_SIZE;
else n = EPX_SIZE;
if (n > len)
n = len;
len -= n;
int count=0;
while( UOTGHS_DEVEPTISR_TXINI != (UOTGHS->UOTGHS_DEVEPTISR[ep & 0xF] & UOTGHS_DEVEPTISR_TXINI ))
{
count++;
if (count>10000) return len;
}
UDD_Send(ep & 0xF, data, n);
data += n;
}
//TXLED1; // light the TX LED
//TxLEDPulse = TX_RX_LED_PULSE_MS;
return r;
}
int _cmark;
int _cend;
void USBD_InitControl(int end)
{
_cmark = 0;
_cend = end;
}
// Clipped by _cmark/_cend
int USBD_SendControl(uint8_t flags, const void* d, uint32_t len)
{
const uint8_t* data = (const uint8_t*)d;
uint32_t length = len;
uint32_t sent = 0;
uint32_t pos = 0;
TRACE_CORE(printf("=> USBD_SendControl TOTAL len=%lu\r\n", len);)
if (_cmark < _cend)
{
while (len > 0)
{
sent = UDD_Send(EP0, data + pos, len);
TRACE_CORE(printf("=> USBD_SendControl sent=%lu\r\n", sent);)
pos += sent;
len -= sent;
}
}
_cmark += length;
return length;
}
// Send a USB descriptor string. The string is stored as a
// plain ASCII string but is sent out as UTF-16 with the
// correct 2-byte prefix
static bool USB_SendStringDescriptor(const uint8_t *string, int wLength) {
uint16_t buff[64];
int l = 1;
wLength-=2;
while (*string && wLength>0) {
buff[l++] = (uint8_t)(*string++);
wLength-=2;
}
buff[0] = (3<<8) | (l*2);
return USBD_SendControl(0, (uint8_t*)buff, l*2);
}
// Does not timeout or cross fifo boundaries
// Will only work for transfers <= 64 bytes
// TODO
int USBD_RecvControl(void* d, uint32_t len)
{
UDD_WaitOUT();
UDD_Recv(EP0, (uint8_t*)d, len);
UDD_ClearOUT();
return len;
}
// Handle CLASS_INTERFACE requests
bool USBD_ClassInterfaceRequest(Setup& setup)
{
uint8_t i = setup.wIndex;
TRACE_CORE(printf("=> USBD_ClassInterfaceRequest\r\n");)
#ifdef CDC_ENABLED
if (CDC_ACM_INTERFACE == i)
{
return CDC_Setup(setup);
}
#endif
#ifdef HID_ENABLED
if (HID_INTERFACE == i)
{
return HID_Setup(setup);
}
#endif
return false;
}
int USBD_SendInterfaces(void)
{
int total = 0;
uint8_t interfaces = 0;
#ifdef CDC_ENABLED
total = CDC_GetInterface(&interfaces);
#endif
#ifdef HID_ENABLED
total += HID_GetInterface(&interfaces);
#endif
total = total; // Get rid of compiler warning
TRACE_CORE(printf("=> USBD_SendInterfaces, total=%d interfaces=%d\r\n", total, interfaces);)
return interfaces;
}
int USBD_SendOtherInterfaces(void)
{
int total = 0;
uint8_t interfaces = 0;
#ifdef CDC_ENABLED
total = CDC_GetOtherInterface(&interfaces);
#endif
#ifdef HID_ENABLED
total += HID_GetInterface(&interfaces);
#endif
total = total; // Get rid of compiler warning
TRACE_CORE(printf("=> USBD_SendInterfaces, total=%d interfaces=%d\r\n", total, interfaces);)
return interfaces;
}
// Construct a dynamic configuration descriptor
// This really needs dynamic endpoint allocation etc
// TODO
static bool USBD_SendConfiguration(int maxlen)
{
// Count and measure interfaces
USBD_InitControl(0);
//TRACE_CORE(printf("=> USBD_SendConfiguration _cmark1=%d\r\n", _cmark);)
int interfaces = USBD_SendInterfaces();
//TRACE_CORE(printf("=> USBD_SendConfiguration _cmark2=%d\r\n", _cmark);)
//TRACE_CORE(printf("=> USBD_SendConfiguration sizeof=%d\r\n", sizeof(ConfigDescriptor));)
_Pragma("pack(1)")
ConfigDescriptor config = D_CONFIG(_cmark + sizeof(ConfigDescriptor),interfaces);
_Pragma("pack()")
//TRACE_CORE(printf("=> USBD_SendConfiguration clen=%d\r\n", config.clen);)
//TRACE_CORE(printf("=> USBD_SendConfiguration maxlen=%d\r\n", maxlen);)
// Now send them
USBD_InitControl(maxlen);
USBD_SendControl(0,&config,sizeof(ConfigDescriptor));
USBD_SendInterfaces();
return true;
}
static bool USBD_SendOtherConfiguration(int maxlen)
{
// Count and measure interfaces
USBD_InitControl(0);
//TRACE_CORE(printf("=> USBD_SendConfiguration _cmark1=%d\r\n", _cmark);)
int interfaces = USBD_SendOtherInterfaces();
//TRACE_CORE(printf("=> USBD_SendConfiguration _cmark2=%d\r\n", _cmark);)
//TRACE_CORE(printf("=> USBD_SendConfiguration sizeof=%d\r\n", sizeof(ConfigDescriptor));)
_Pragma("pack(1)")
ConfigDescriptor config = D_OTHERCONFIG(_cmark + sizeof(ConfigDescriptor),interfaces);
_Pragma("pack()")
//TRACE_CORE(printf("=> USBD_SendConfiguration clen=%d\r\n", config.clen);)
//TRACE_CORE(printf("=> USBD_SendConfiguration maxlen=%d\r\n", maxlen);)
// Now send them
USBD_InitControl(maxlen);
USBD_SendControl(0,&config,sizeof(ConfigDescriptor));
USBD_SendOtherInterfaces();
return true;
}
static bool USBD_SendDescriptor(Setup& setup)
{
uint8_t t = setup.wValueH;
uint8_t desc_length = 0;
const uint8_t* desc_addr = 0;
if (USB_CONFIGURATION_DESCRIPTOR_TYPE == t)
{
TRACE_CORE(printf("=> USBD_SendDescriptor : USB_CONFIGURATION_DESCRIPTOR_TYPE length=%d\r\n", setup.wLength);)
return USBD_SendConfiguration(setup.wLength);
}
USBD_InitControl(setup.wLength);
#ifdef HID_ENABLED
if (HID_REPORT_DESCRIPTOR_TYPE == t)
{
TRACE_CORE(puts("=> USBD_SendDescriptor : HID_REPORT_DESCRIPTOR_TYPE\r\n");)
return HID_GetDescriptor(t);
}
#endif
if (USB_DEVICE_DESCRIPTOR_TYPE == t)
{
TRACE_CORE(puts("=> USBD_SendDescriptor : USB_DEVICE_DESCRIPTOR_TYPE\r\n");)
if (setup.wLength == 8)
{
_cdcComposite = 1;
}
desc_addr = _cdcComposite ? (const uint8_t*)&USB_DeviceDescriptorA : (const uint8_t*)&USB_DeviceDescriptor;
if( *desc_addr > setup.wLength ) {
desc_length = setup.wLength;
}
}
else if (USB_STRING_DESCRIPTOR_TYPE == t)
{
TRACE_CORE(puts("=> USBD_SendDescriptor : USB_STRING_DESCRIPTOR_TYPE\r\n");)
if (setup.wValueL == 0) {
desc_addr = (const uint8_t*)&STRING_LANGUAGE;
}
else if (setup.wValueL == IPRODUCT) {
return USB_SendStringDescriptor(STRING_PRODUCT, setup.wLength);
}
else if (setup.wValueL == IMANUFACTURER) {
return USB_SendStringDescriptor(STRING_MANUFACTURER, setup.wLength);
}
else {
return false;
}
if( *desc_addr > setup.wLength ) {
desc_length = setup.wLength;
}
}
else if (USB_DEVICE_QUALIFIER == t)
{
// Device qualifier descriptor requested
desc_addr = (const uint8_t*)&USB_DeviceQualifier;
if( *desc_addr > setup.wLength ) {
desc_length = setup.wLength;
}
}
else if (USB_OTHER_SPEED_CONFIGURATION == t)
{
// Other configuration descriptor requested
return USBD_SendOtherConfiguration(setup.wLength);
}
else
{
//printf("Device ERROR");
}
if (desc_addr == 0)
{
return false;
}
if (desc_length == 0)
{
desc_length = *desc_addr;
}
TRACE_CORE(printf("=> USBD_SendDescriptor : desc_addr=%p desc_length=%d\r\n", desc_addr, desc_length);)
USBD_SendControl(0, desc_addr, desc_length);
return true;
}
static void USB_SendZlp( void )
{
while( UOTGHS_DEVEPTISR_TXINI != (UOTGHS->UOTGHS_DEVEPTISR[0] & UOTGHS_DEVEPTISR_TXINI ) )
{
if((UOTGHS->UOTGHS_DEVISR & UOTGHS_DEVISR_SUSP) == UOTGHS_DEVISR_SUSP)
{
return;
}
}
UOTGHS->UOTGHS_DEVEPTICR[0] = UOTGHS_DEVEPTICR_TXINIC;
}
static void Test_Mode_Support( uint8_t wIndex )
{
uint8_t i;
uint8_t *ptr_dest = (uint8_t *) &udd_get_endpoint_fifo_access8(2);
switch( wIndex )
{
case 4:
//Test mode Test_Packet:
//Upon command, a port must repetitively transmit the following test packet until
//the exit action is taken. This enables the testing of rise and fall times, eye
//patterns, jitter, and any other dynamic waveform specifications.
//The test packet is made up by concatenating the following strings.
//(Note: For J/K NRZI data, and for NRZ data, the bit on the left is the first one
//transmitted. "S" indicates that a bit stuff occurs, which inserts an "extra" NRZI data bit.
//"* N" is used to indicate N occurrences of a string of bits or symbols.)
//A port in Test_Packet mode must send this packet repetitively. The inter-packet timing
//must be no less than the minimum allowable inter-packet gap as defined in Section 7.1.18 and
//no greater than 125 us.
// Send ZLP
USB_SendZlp();
UOTGHS->UOTGHS_DEVDMA[0].UOTGHS_DEVDMACONTROL = 0; // raz
UOTGHS->UOTGHS_DEVDMA[1].UOTGHS_DEVDMACONTROL = 0; // raz
// Configure endpoint 2, 64 bytes, direction IN, type BULK, 1 bank
UOTGHS->UOTGHS_DEVEPTCFG[2] = UOTGHS_DEVEPTCFG_EPSIZE_64_BYTE
| UOTGHS_DEVEPTCFG_EPDIR_IN
| UOTGHS_DEVEPTCFG_EPTYPE_BLK
| UOTGHS_DEVEPTCFG_EPBK_1_BANK;
// Check if the configuration is ok
UOTGHS->UOTGHS_DEVEPTCFG[2] |= UOTGHS_DEVEPTCFG_ALLOC;
while((UOTGHS->UOTGHS_DEVEPTISR[2]&UOTGHS_DEVEPTISR_CFGOK)==0) {}
UOTGHS->UOTGHS_DEVEPT |= UOTGHS_DEVEPT_EPEN2;
// Write FIFO
for( i=0; i<sizeof(test_packet_buffer); i++)
{
ptr_dest[i] = test_packet_buffer[i];;
}
// Tst PACKET
UOTGHS->UOTGHS_DEVCTRL |= UOTGHS_DEVCTRL_TSTPCKT;
// Send packet
UOTGHS->UOTGHS_DEVEPTICR[2] = UOTGHS_DEVEPTICR_TXINIC;
UOTGHS->UOTGHS_DEVEPTIDR[2] = UOTGHS_DEVEPTIDR_FIFOCONC;
for(;;);
// break;
case 1:
//Test mode Test_J:
//Upon command, a port's transceiver must enter the high-speed J state and remain in that
//state until the exit action is taken. This enables the testing of the high output drive
//level on the D+ line.
// Send a ZLP
USB_SendZlp();
UOTGHS->UOTGHS_DEVCTRL |= UOTGHS_DEVCTRL_TSTJ;
for(;;);
// break;
case 2:
//Test mode Test_K:
//Upon command, a port's transceiver must enter the high-speed K state and remain in
//that state until the exit action is taken. This enables the testing of the high output drive
//level on the D- line.
// Send a ZLP
USB_SendZlp();
UOTGHS->UOTGHS_DEVCTRL |= UOTGHS_DEVCTRL_TSTK;
for(;;);
// break;
case 3:
//Test mode Test_SE0_NAK:
//Upon command, a port's transceiver must enter the high-speed receive mode
//and remain in that mode until the exit action is taken. This enables the testing
//of output impedance, low level output voltage, and loading characteristics.
//In addition, while in this mode, upstream facing ports (and only upstream facing ports)
//must respond to any IN token packet with a NAK handshake (only if the packet CRC is
//determined to be correct) within the normal allowed device response time. This enables testing of
//the device squelch level circuitry and, additionally, provides a general purpose stimulus/response
//test for basic functional testing.
// Send a ZLP
USB_SendZlp();
UOTGHS->UOTGHS_DEVIDR = UOTGHS_DEVIDR_SUSPEC
| UOTGHS_DEVIDR_MSOFEC
| UOTGHS_DEVIDR_SOFEC
| UOTGHS_DEVIDR_EORSTEC
| UOTGHS_DEVIDR_WAKEUPEC
| UOTGHS_DEVIDR_EORSMEC
| UOTGHS_DEVIDR_UPRSMEC
| UOTGHS_DEVIDR_PEP_0
| UOTGHS_DEVIDR_PEP_1
| UOTGHS_DEVIDR_PEP_2
| UOTGHS_DEVIDR_PEP_3
| UOTGHS_DEVIDR_PEP_4
| UOTGHS_DEVIDR_PEP_5
| UOTGHS_DEVIDR_PEP_6
| UOTGHS_DEVIDR_DMA_1
| UOTGHS_DEVIDR_DMA_2
| UOTGHS_DEVIDR_DMA_3
| UOTGHS_DEVIDR_DMA_4
| UOTGHS_DEVIDR_DMA_5
| UOTGHS_DEVIDR_DMA_6;
for(;;);
// break;
}
}
//unsigned int iii=0;
// Endpoint 0 interrupt
static void USB_ISR(void)
{
// printf("ISR=0x%X\n\r", UOTGHS->UOTGHS_DEVISR); // jcb
// if( iii++ > 1500 ) while(1); // jcb
// End of bus reset
if (Is_udd_reset())
{
TRACE_CORE(printf(">>> End of Reset\r\n");)
// Reset USB address to 0
udd_configure_address(0);
udd_enable_address();
// Configure EP 0
UDD_InitEP(0, EP_TYPE_CONTROL);
udd_enable_setup_received_interrupt(0);
udd_enable_endpoint_interrupt(0);
_usbConfiguration = 0;
udd_ack_reset();
}
#ifdef CDC_ENABLED
if (Is_udd_endpoint_interrupt(CDC_RX))
{
udd_ack_out_received(CDC_RX);
// Handle received bytes
if (USBD_Available(CDC_RX))
SerialUSB.accept();
}
if (Is_udd_sof())
{
udd_ack_sof();
// USBD_Flush(CDC_TX); // jcb
}
#endif
// EP 0 Interrupt
if (Is_udd_endpoint_interrupt(0) )
{
if (!UDD_ReceivedSetupInt())
{
return;
}
Setup setup;
UDD_Recv(EP0, (uint8_t*)&setup, 8);
UDD_ClearSetupInt();
uint8_t requestType = setup.bmRequestType;
if (requestType & REQUEST_DEVICETOHOST)
{
TRACE_CORE(puts(">>> EP0 Int: IN Request\r\n");)
UDD_WaitIN();
}
else
{
TRACE_CORE(puts(">>> EP0 Int: OUT Request\r\n");)
UDD_ClearIN();
}
bool ok = true;
if (REQUEST_STANDARD == (requestType & REQUEST_TYPE))
{
// Standard Requests
uint8_t r = setup.bRequest;
if (GET_STATUS == r)
{
if( setup.bmRequestType == 0 ) // device
{
// Send the device status
TRACE_CORE(puts(">>> EP0 Int: GET_STATUS\r\n");)
// Check current configuration for power mode (if device is configured)
// TODO
// Check if remote wake-up is enabled
// TODO
UDD_Send8(EP0, 0); // TODO
UDD_Send8(EP0, 0);
}
// if( setup.bmRequestType == 2 ) // Endpoint:
else
{
// Send the endpoint status
// Check if the endpoint if currently halted
if( isEndpointHalt == 1 )
UDD_Send8(EP0, 1); // TODO
else
UDD_Send8(EP0, 0); // TODO
UDD_Send8(EP0, 0);
}
}
else if (CLEAR_FEATURE == r)
{
// Check which is the selected feature
if( setup.wValueL == 1) // DEVICEREMOTEWAKEUP
{
// Enable remote wake-up and send a ZLP
if( isRemoteWakeUpEnabled == 1 )
UDD_Send8(EP0, 1);
else
UDD_Send8(EP0, 0);
UDD_Send8(EP0, 0);
}
else // if( setup.wValueL == 0) // ENDPOINTHALT
{
isEndpointHalt = 0; // TODO
UDD_Send8(EP0, 0);
UDD_Send8(EP0, 0);
}
}
else if (SET_FEATURE == r)
{
// Check which is the selected feature
if( setup.wValueL == 1) // DEVICEREMOTEWAKEUP
{
// Enable remote wake-up and send a ZLP
isRemoteWakeUpEnabled = 1;
UDD_Send8(EP0, 0);
}
if( setup.wValueL == 0) // ENDPOINTHALT
{
// Halt endpoint
isEndpointHalt = 1;
//USBD_Halt(USBGenericRequest_GetEndpointNumber(pRequest));
UDD_Send8(EP0, 0);
}
if( setup.wValueL == 2) // TEST_MODE
{
// 7.1.20 Test Mode Support, 9.4.9 SetFeature
if( (setup.bmRequestType == 0 /*USBGenericRequest_DEVICE*/) &&
((setup.wIndex & 0x000F) == 0) )
{
// the lower byte of wIndex must be zero
// the most significant byte of wIndex is used to specify the specific test mode
UOTGHS->UOTGHS_DEVIDR &= ~UOTGHS_DEVIDR_SUSPEC;
UOTGHS->UOTGHS_DEVCTRL |= UOTGHS_DEVCTRL_SPDCONF_HIGH_SPEED; // remove suspend ?
Test_Mode_Support( (setup.wIndex & 0xFF00)>>8 );
}
}
}
else if (SET_ADDRESS == r)
{
TRACE_CORE(puts(">>> EP0 Int: SET_ADDRESS\r\n");)
UDD_WaitIN();
UDD_SetAddress(setup.wValueL);
}
else if (GET_DESCRIPTOR == r)
{
TRACE_CORE(puts(">>> EP0 Int: GET_DESCRIPTOR\r\n");)
ok = USBD_SendDescriptor(setup);
}
else if (SET_DESCRIPTOR == r)
{
TRACE_CORE(puts(">>> EP0 Int: SET_DESCRIPTOR\r\n");)
ok = false;
}
else if (GET_CONFIGURATION == r)
{
TRACE_CORE(puts(">>> EP0 Int: GET_CONFIGURATION\r\n");)
UDD_Send8(EP0, _usbConfiguration);
}
else if (SET_CONFIGURATION == r)
{
if (REQUEST_DEVICE == (requestType & REQUEST_RECIPIENT))
{
TRACE_CORE(printf(">>> EP0 Int: SET_CONFIGURATION REQUEST_DEVICE %d\r\n", setup.wValueL);)
UDD_InitEndpoints(EndPoints, (sizeof(EndPoints) / sizeof(EndPoints[0])));
_usbConfiguration = setup.wValueL;
#ifdef CDC_ENABLED
// Enable interrupt for CDC reception from host (OUT packet)
udd_enable_out_received_interrupt(CDC_RX);
udd_enable_endpoint_interrupt(CDC_RX);
#endif
}
else
{
TRACE_CORE(puts(">>> EP0 Int: SET_CONFIGURATION failed!\r\n");)
ok = false;
}
}
else if (GET_INTERFACE == r)
{
TRACE_CORE(puts(">>> EP0 Int: GET_INTERFACE\r\n");)
UDD_Send8(EP0, _usbSetInterface);
}
else if (SET_INTERFACE == r)
{
_usbSetInterface = setup.wValueL;
TRACE_CORE(puts(">>> EP0 Int: SET_INTERFACE\r\n");)
}
}
else
{
TRACE_CORE(puts(">>> EP0 Int: ClassInterfaceRequest\r\n");)
UDD_WaitIN(); // Workaround: need tempo here, else CDC serial won't open correctly
USBD_InitControl(setup.wLength); // Max length of transfer
ok = USBD_ClassInterfaceRequest(setup);
}
if (ok)
{
TRACE_CORE(puts(">>> EP0 Int: Send packet\r\n");)
UDD_ClearIN();
}
else
{
TRACE_CORE(puts(">>> EP0 Int: Stall\r\n");)
UDD_Stall();
}
}
}
void USBD_Flush(uint32_t ep)
{
if (UDD_FifoByteCount(ep))
UDD_ReleaseTX(ep);
}
// VBUS or counting frames
// Any frame counting?
uint32_t USBD_Connected(void)
{
uint8_t f = UDD_GetFrameNumber();
delay(3);
return f != UDD_GetFrameNumber();
}
//=======================================================================
//=======================================================================
USBDevice_ USBDevice;
USBDevice_::USBDevice_()
{
UDD_SetStack(&USB_ISR);
if (UDD_Init() == 0UL)
{
_usbInitialized=1UL;
}
}
bool USBDevice_::attach(void)
{
if (_usbInitialized != 0UL)
{
UDD_Attach();
_usbConfiguration = 0;
return true;
}
else
{
return false;
}
}
bool USBDevice_::detach(void)
{
if (_usbInitialized != 0UL)
{
UDD_Detach();
return true;
}
else
{
return false;
}
}
// Check for interrupts
// TODO: VBUS detection
bool USBDevice_::configured()
{
return _usbConfiguration;
}
void USBDevice_::poll()
{
}
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