tschwery/reprapfirmware-dc42
Archived
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Added patched Arduino 1.5.4 core files

Browse source
This commit is contained in:
David Crocker 2014-04-25 15:03:12 +01:00
parent d9c9fa8f59
commit 05a1f81167
3 changed files with 1552 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

221
ArduinoCorePatches/sam/cores/arduino/USB/USBAPI.h Normal file
View file

@ -0,0 +1,221 @@
/*
Copyright (c) 2012 Arduino. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef __USBAPI__
#define __USBAPI__
#if defined __cplusplus
#include "RingBuffer.h"
//================================================================================
//================================================================================
// USB
class USBDevice_
{
public:
USBDevice_();
bool configured();
bool attach();
bool detach(); // Serial port goes down too...
void poll();
};
extern USBDevice_ USBDevice;
//================================================================================
//================================================================================
// Serial over CDC (Serial1 is the physical port)
class Serial_ : public Stream
{
private:
RingBuffer *_cdc_rx_buffer;
public:
void begin(uint32_t baud_count);
void end(void);
virtual int available(void);
virtual void accept(void);
virtual int peek(void);
virtual int read(void);
virtual void flush(void);
virtual size_t write(uint8_t);
virtual size_t write(const uint8_t *buffer, size_t size);
size_t canWrite() const;
using Print::write; // pull in write(str) from Print
operator bool();
};
extern Serial_ SerialUSB;
//================================================================================
//================================================================================
// Mouse
#define MOUSE_LEFT 1
#define MOUSE_RIGHT 2
#define MOUSE_MIDDLE 4
#define MOUSE_ALL (MOUSE_LEFT | MOUSE_RIGHT | MOUSE_MIDDLE)
class Mouse_
{
private:
uint8_t _buttons;
void buttons(uint8_t b);
public:
Mouse_(void);
void begin(void);
void end(void);
void click(uint8_t b = MOUSE_LEFT);
void move(signed char x, signed char y, signed char wheel = 0);
void press(uint8_t b = MOUSE_LEFT); // press LEFT by default
void release(uint8_t b = MOUSE_LEFT); // release LEFT by default
bool isPressed(uint8_t b = MOUSE_ALL); // check all buttons by default
};
extern Mouse_ Mouse;
//================================================================================
//================================================================================
// Keyboard
#define KEY_LEFT_CTRL 0x80
#define KEY_LEFT_SHIFT 0x81
#define KEY_LEFT_ALT 0x82
#define KEY_LEFT_GUI 0x83
#define KEY_RIGHT_CTRL 0x84
#define KEY_RIGHT_SHIFT 0x85
#define KEY_RIGHT_ALT 0x86
#define KEY_RIGHT_GUI 0x87
#define KEY_UP_ARROW 0xDA
#define KEY_DOWN_ARROW 0xD9
#define KEY_LEFT_ARROW 0xD8
#define KEY_RIGHT_ARROW 0xD7
#define KEY_BACKSPACE 0xB2
#define KEY_TAB 0xB3
#define KEY_RETURN 0xB0
#define KEY_ESC 0xB1
#define KEY_INSERT 0xD1
#define KEY_DELETE 0xD4
#define KEY_PAGE_UP 0xD3
#define KEY_PAGE_DOWN 0xD6
#define KEY_HOME 0xD2
#define KEY_END 0xD5
#define KEY_CAPS_LOCK 0xC1
#define KEY_F1 0xC2
#define KEY_F2 0xC3
#define KEY_F3 0xC4
#define KEY_F4 0xC5
#define KEY_F5 0xC6
#define KEY_F6 0xC7
#define KEY_F7 0xC8
#define KEY_F8 0xC9
#define KEY_F9 0xCA
#define KEY_F10 0xCB
#define KEY_F11 0xCC
#define KEY_F12 0xCD
// Low level key report: up to 6 keys and shift, ctrl etc at once
typedef struct
{
uint8_t modifiers;
uint8_t reserved;
uint8_t keys[6];
} KeyReport;
class Keyboard_ : public Print
{
private:
KeyReport _keyReport;
void sendReport(KeyReport* keys);
public:
Keyboard_(void);
void begin(void);
void end(void);
virtual size_t write(uint8_t k);
virtual size_t press(uint8_t k);
virtual size_t release(uint8_t k);
virtual void releaseAll(void);
};
extern Keyboard_ Keyboard;
//================================================================================
//================================================================================
// Low level API
typedef struct
{
uint8_t bmRequestType;
uint8_t bRequest;
uint8_t wValueL;
uint8_t wValueH;
uint16_t wIndex;
uint16_t wLength;
} Setup;
//================================================================================
//================================================================================
// HID 'Driver'
int HID_GetInterface(uint8_t* interfaceNum);
int HID_GetDescriptor(int i);
bool HID_Setup(Setup& setup);
void HID_SendReport(uint8_t id, const void* data, uint32_t len);
//================================================================================
//================================================================================
// MSC 'Driver'
int MSC_GetInterface(uint8_t* interfaceNum);
int MSC_GetDescriptor(int i);
bool MSC_Setup(Setup& setup);
bool MSC_Data(uint8_t rx,uint8_t tx);
//================================================================================
//================================================================================
// CSC 'Driver'
int CDC_GetInterface(uint8_t* interfaceNum);
int CDC_GetOtherInterface(uint8_t* interfaceNum);
int CDC_GetDescriptor(int i);
bool CDC_Setup(Setup& setup);
//================================================================================
//================================================================================
#define TRANSFER_RELEASE 0x40
#define TRANSFER_ZERO 0x20
void USBD_InitControl(int end);
int USBD_SendControl(uint8_t flags, const void* d, uint32_t len);
int USBD_RecvControl(void* d, uint32_t len);
int USBD_SendInterfaces(void);
bool USBD_ClassInterfaceRequest(Setup& setup);
uint32_t USBD_Available(uint32_t ep);
uint32_t USBD_SendSpace(uint32_t ep);
uint32_t USBD_Send(uint32_t ep, const void* d, uint32_t len);
uint32_t USBD_Recv(uint32_t ep, void* data, uint32_t len); // non-blocking
uint32_t USBD_Recv(uint32_t ep); // non-blocking
void USBD_Flush(uint32_t ep);
uint32_t USBD_Connected(void);
#endif
#endif

881
ArduinoCorePatches/sam/cores/arduino/USB/USBCore.cpp Normal file
View file

@ -0,0 +1,881 @@
// 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
#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 || len < 0)
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)
{
if (!UDD_ReadWriteAllowed(ep & 0xF))
{
//printf("pb "); // UOTGHS->UOTGHS_DEVEPTISR[%d]=0x%X\n\r", ep, UOTGHS->UOTGHS_DEVEPTISR[ep]);
return 0;
}
return ((ep==0) ? EP0_SIZE : EPX_SIZE) - UDD_FifoByteCount(ep & 0xF);
}
// 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;
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()
{
}

450
ArduinoCorePatches/sam/variants/arduino_due_x/variant.cpp Normal file
View file

@ -0,0 +1,450 @@
/*
Copyright (c) 2011 Arduino. All right reserved.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "variant.h"
/*
* DUE Board pin | PORT | Label
* ----------------+--------+-------
* 0 | PA8 | "RX0"
* 1 | PA9 | "TX0"
* 2 TIOA0 | PB25 |
* 3 TIOA7 | PC28 |
* 4 NPCS1 | PA29 |
* TIOB6 | PC26 |
* 5 TIOA6 | PC25 |
* 6 PWML7 | PC24 |
* 7 PWML6 | PC23 |
* 8 PWML5 | PC22 |
* 9 PWML4 | PC21 |
* 10 NPCS0 | PA28 |
* TIOB7 | PC29 |
* 11 TIOA8 | PD7 |
* 12 TIOB8 | PD8 |
* 13 TIOB0 | PB27 | LED AMBER "L"
* 14 TXD3 | PD4 | "TX3"
* 15 RXD3 | PD5 | "RX3"
* 16 TXD1 | PA13 | "TX2"
* 17 RXD1 | PA12 | "RX2"
* 18 TXD0 | PA11 | "TX1"
* 19 RXD0 | PA10 | "RX1"
* 20 | PB12 | "SDA"
* 21 | PB13 | "SCL"
* 22 | PB26 |
* 23 | PA14 |
* 24 | PA15 |
* 25 | PD0 |
* 26 | PD1 |
* 27 | PD2 |
* 28 | PD3 |
* 29 | PD6 |
* 30 | PD9 |
* 31 | PA7 |
* 32 | PD10 |
* 33 | PC1 |
* 34 | PC2 |
* 35 | PC3 |
* 36 | PC4 |
* 37 | PC5 |
* 38 | PC6 |
* 39 | PC7 |
* 40 | PC8 |
* 41 | PC9 |
* 42 | PA19 |
* 43 | PA20 |
* 44 | PC19 |
* 45 | PC18 |
* 46 | PC17 |
* 47 | PC16 |
* 48 | PC15 |
* 49 | PC14 |
* 50 | PC13 |
* 51 | PC12 |
* 52 NPCS2 | PB21 |
* 53 | PB14 |
* 54 | PA16 | "A0"
* 55 | PA24 | "A1"
* 56 | PA23 | "A2"
* 57 | PA22 | "A3"
* 58 TIOB2 | PA6 | "A4"
* 69 | PA4 | "A5"
* 60 TIOB1 | PA3 | "A6"
* 61 TIOA1 | PA2 | "A7"
* 62 | PB17 | "A8"
* 63 | PB18 | "A9"
* 64 | PB19 | "A10"
* 65 | PB20 | "A11"
* 66 | PB15 | "DAC0"
* 67 | PB16 | "DAC1"
* 68 | PA1 | "CANRX"
* 69 | PA0 | "CANTX"
* 70 | PA17 | "SDA1"
* 71 | PA18 | "SCL1"
* 72 | PC30 | LED AMBER "RX"
* 73 | PA21 | LED AMBER "TX"
* 74 MISO | PA25 |
* 75 MOSI | PA26 |
* 76 SCLK | PA27 |
* 77 NPCS0 | PA28 |
* 78 NPCS3 | PB23 | unconnected!
*
* USB pin | PORT
* ----------------+--------
* ID | PB11
* VBOF | PB10
*
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
* Pins descriptions
*/
extern const PinDescription g_APinDescription[]=
{
// 0 .. 53 - Digital pins
// ----------------------
// 0/1 - UART (Serial)
{ PIOA, PIO_PA8A_URXD, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // URXD
{ PIOA, PIO_PA9A_UTXD, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // UTXD
// 2
{ PIOB, PIO_PB25B_TIOA0, ID_PIOB, PIO_PERIPH_B, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_TIMER), NO_ADC, NO_ADC, NOT_ON_PWM, TC0_CHA0 }, // TIOA0
{ PIOC, PIO_PC28B_TIOA7, ID_PIOC, PIO_PERIPH_B, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_TIMER), NO_ADC, NO_ADC, NOT_ON_PWM, TC2_CHA7 }, // TIOA7
{ PIOC, PIO_PC26B_TIOB6, ID_PIOC, PIO_PERIPH_B, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_TIMER), NO_ADC, NO_ADC, NOT_ON_PWM, TC2_CHB6 }, // TIOB6
// 5
{ PIOC, PIO_PC25B_TIOA6, ID_PIOC, PIO_PERIPH_B, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_TIMER), NO_ADC, NO_ADC, NOT_ON_PWM, TC2_CHA6 }, // TIOA6
{ PIOC, PIO_PC24B_PWML7, ID_PIOC, PIO_PERIPH_B, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), NO_ADC, NO_ADC, PWM_CH7, NOT_ON_TIMER }, // PWML7
{ PIOC, PIO_PC23B_PWML6, ID_PIOC, PIO_PERIPH_B, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), NO_ADC, NO_ADC, PWM_CH6, NOT_ON_TIMER }, // PWML6
{ PIOC, PIO_PC22B_PWML5, ID_PIOC, PIO_PERIPH_B, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), NO_ADC, NO_ADC, PWM_CH5, NOT_ON_TIMER }, // PWML5
{ PIOC, PIO_PC21B_PWML4, ID_PIOC, PIO_PERIPH_B, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_PWM), NO_ADC, NO_ADC, PWM_CH4, NOT_ON_TIMER }, // PWML4
// 10
{ PIOC, PIO_PC29B_TIOB7, ID_PIOC, PIO_PERIPH_B, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_TIMER), NO_ADC, NO_ADC, NOT_ON_PWM, TC2_CHB7 }, // TIOB7
{ PIOD, PIO_PD7B_TIOA8, ID_PIOD, PIO_PERIPH_B, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_TIMER), NO_ADC, NO_ADC, NOT_ON_PWM, TC2_CHA8 }, // TIOA8
{ PIOD, PIO_PD8B_TIOB8, ID_PIOD, PIO_PERIPH_B, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_TIMER), NO_ADC, NO_ADC, NOT_ON_PWM, TC2_CHB8 }, // TIOB8
// 13 - AMBER LED
{ PIOB, PIO_PB27B_TIOB0, ID_PIOB, PIO_PERIPH_B, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_TIMER), NO_ADC, NO_ADC, NOT_ON_PWM, TC0_CHB0 }, // TIOB0
// 14/15 - USART3 (Serial3)
{ PIOD, PIO_PD4B_TXD3, ID_PIOD, PIO_PERIPH_B, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TXD3
{ PIOD, PIO_PD5B_RXD3, ID_PIOD, PIO_PERIPH_B, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // RXD3
// 16/17 - USART1 (Serial2)
{ PIOA, PIO_PA13A_TXD1, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TXD1
{ PIOA, PIO_PA12A_RXD1, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // RXD1
// 18/19 - USART0 (Serial1)
{ PIOA, PIO_PA11A_TXD0, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TXD0
{ PIOA, PIO_PA10A_RXD0, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // RXD0
// 20/21 - TWI1
{ PIOB, PIO_PB12A_TWD1, ID_PIOB, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TWD1 - SDA0
{ PIOB, PIO_PB13A_TWCK1, ID_PIOB, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TWCK1 - SCL0
// 22
{ PIOB, PIO_PB26, ID_PIOB, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 22
{ PIOA, PIO_PA14, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 23
{ PIOA, PIO_PA15, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 24
{ PIOD, PIO_PD0, ID_PIOD, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 25
// 26
{ PIOD, PIO_PD1, ID_PIOD, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 26
{ PIOD, PIO_PD2, ID_PIOD, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 27
{ PIOD, PIO_PD3, ID_PIOD, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 28
{ PIOD, PIO_PD6, ID_PIOD, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 29
// 30
{ PIOD, PIO_PD9, ID_PIOD, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 30
{ PIOA, PIO_PA7, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 31
{ PIOD, PIO_PD10, ID_PIOD, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 32
{ PIOC, PIO_PC1, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 33
// 34
{ PIOC, PIO_PC2, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 34
{ PIOC, PIO_PC3, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 35
{ PIOC, PIO_PC4, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 36
{ PIOC, PIO_PC5, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 37
// 38
{ PIOC, PIO_PC6, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 38
{ PIOC, PIO_PC7, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 39
{ PIOC, PIO_PC8, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 40
{ PIOC, PIO_PC9, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 41
// 42
{ PIOA, PIO_PA19, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 42
{ PIOA, PIO_PA20, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 43
{ PIOC, PIO_PC19, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 44
{ PIOC, PIO_PC18, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 45
// 46
{ PIOC, PIO_PC17, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 46
{ PIOC, PIO_PC16, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 47
{ PIOC, PIO_PC15, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 48
{ PIOC, PIO_PC14, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 49
// 50
{ PIOC, PIO_PC13, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 50
{ PIOC, PIO_PC12, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 51
{ PIOB, PIO_PB21, ID_PIOB, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 52
{ PIOB, PIO_PB14, ID_PIOB, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // PIN 53
// 54 .. 65 - Analog pins
// ----------------------
{ PIOA, PIO_PA16X1_AD7, ID_PIOA, PIO_INPUT, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC0, ADC7, NOT_ON_PWM, NOT_ON_TIMER }, // AD0
{ PIOA, PIO_PA24X1_AD6, ID_PIOA, PIO_INPUT, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC1, ADC6, NOT_ON_PWM, NOT_ON_TIMER }, // AD1
{ PIOA, PIO_PA23X1_AD5, ID_PIOA, PIO_INPUT, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC2, ADC5, NOT_ON_PWM, NOT_ON_TIMER }, // AD2
{ PIOA, PIO_PA22X1_AD4, ID_PIOA, PIO_INPUT, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC3, ADC4, NOT_ON_PWM, NOT_ON_TIMER }, // AD3
// 58
{ PIOA, PIO_PA6X1_AD3, ID_PIOA, PIO_INPUT, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC4, ADC3, NOT_ON_PWM, TC0_CHB2 }, // AD4
{ PIOA, PIO_PA4X1_AD2, ID_PIOA, PIO_INPUT, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC5, ADC2, NOT_ON_PWM, NOT_ON_TIMER }, // AD5
{ PIOA, PIO_PA3X1_AD1, ID_PIOA, PIO_INPUT, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC6, ADC1, NOT_ON_PWM, TC0_CHB1 }, // AD6
{ PIOA, PIO_PA2X1_AD0, ID_PIOA, PIO_INPUT, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC7, ADC0, NOT_ON_PWM, TC0_CHA1 }, // AD7
// 62
{ PIOB, PIO_PB17X1_AD10, ID_PIOB, PIO_INPUT, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC8, ADC10, NOT_ON_PWM, NOT_ON_TIMER }, // AD8
{ PIOB, PIO_PB18X1_AD11, ID_PIOB, PIO_INPUT, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC9, ADC11, NOT_ON_PWM, NOT_ON_TIMER }, // AD9
{ PIOB, PIO_PB19X1_AD12, ID_PIOB, PIO_INPUT, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC10, ADC12, NOT_ON_PWM, NOT_ON_TIMER }, // AD10
{ PIOB, PIO_PB20X1_AD13, ID_PIOB, PIO_INPUT, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC11, ADC13, NOT_ON_PWM, NOT_ON_TIMER }, // AD11
// 66/67 - DAC0/DAC1
{ PIOB, PIO_PB15X1_DAC0, ID_PIOB, PIO_INPUT, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC12, DA0, NOT_ON_PWM, NOT_ON_TIMER }, // DAC0
{ PIOB, PIO_PB16X1_DAC1, ID_PIOB, PIO_INPUT, PIO_DEFAULT, PIN_ATTR_ANALOG, ADC13, DA1, NOT_ON_PWM, NOT_ON_TIMER }, // DAC1
// 68/69 - CANRX0/CANTX0
{ PIOA, PIO_PA1A_CANRX0, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, ADC14, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // CANRX
{ PIOA, PIO_PA0A_CANTX0, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, ADC15, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // CANTX
// 70/71 - TWI0
{ PIOA, PIO_PA17A_TWD0, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TWD0 - SDA1
{ PIOA, PIO_PA18A_TWCK0, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // TWCK0 - SCL1
// 72/73 - LEDs
{ PIOC, PIO_PC30, ID_PIOC, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // LED AMBER RXL
{ PIOA, PIO_PA21, ID_PIOA, PIO_OUTPUT_0, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // LED AMBER TXL
// 74/75/76 - SPI
{ PIOA, PIO_PA25A_SPI0_MISO,ID_PIOA,PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // MISO
{ PIOA, PIO_PA26A_SPI0_MOSI,ID_PIOA,PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // MOSI
{ PIOA, PIO_PA27A_SPI0_SPCK,ID_PIOA,PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // SPCK
// 77 - SPI CS0
{ PIOA, PIO_PA28A_SPI0_NPCS0,ID_PIOA,PIO_PERIPH_A,PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // NPCS0
// 78 - SPI CS3 (unconnected)
{ PIOB, PIO_PB23B_SPI0_NPCS3,ID_PIOB,PIO_PERIPH_B,PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // NPCS3
// 79 .. 84 - "All pins" masks
// 79 - TWI0 all pins
{ PIOA, PIO_PA17A_TWD0|PIO_PA18A_TWCK0, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_COMBO), NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER },
// 80 - TWI1 all pins
{ PIOB, PIO_PB12A_TWD1|PIO_PB13A_TWCK1, ID_PIOB, PIO_PERIPH_A, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_COMBO), NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER },
// 81 - UART (Serial) all pins
{ PIOA, PIO_PA8A_URXD|PIO_PA9A_UTXD, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_COMBO), NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER },
// 82 - USART0 (Serial1) all pins
{ PIOA, PIO_PA11A_TXD0|PIO_PA10A_RXD0, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_COMBO), NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER },
// 83 - USART1 (Serial2) all pins
{ PIOA, PIO_PA13A_TXD1|PIO_PA12A_RXD1, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_COMBO), NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER },
// 84 - USART3 (Serial3) all pins
{ PIOD, PIO_PD4B_TXD3|PIO_PD5B_RXD3, ID_PIOD, PIO_PERIPH_B, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_COMBO), NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER },
// 85 - USB
{ PIOB, PIO_PB11A_UOTGID|PIO_PB10A_UOTGVBOF, ID_PIOB, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL,NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // ID - VBOF
// 86 - SPI CS2
{ PIOB, PIO_PB21B_SPI0_NPCS2, ID_PIOB, PIO_PERIPH_B, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // NPCS2
// 87 - SPI CS1
{ PIOA, PIO_PA29A_SPI0_NPCS1, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // NPCS1
// 88/89 - CANRX1/CANTX1 (same physical pin for 66/53)
{ PIOB, PIO_PB15A_CANRX1, ID_PIOB, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // CANRX1
{ PIOB, PIO_PB14A_CANTX1, ID_PIOB, PIO_PERIPH_A, PIO_DEFAULT, PIN_ATTR_DIGITAL, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }, // CANTX1
// 90 .. 91 - "All CAN pins" masks
// 90 - CAN0 all pins
{ PIOA, PIO_PA1A_CANRX0|PIO_PA0A_CANTX0, ID_PIOA, PIO_PERIPH_A, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_COMBO), NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER },
// 91 - CAN1 all pins
{ PIOB, PIO_PB15A_CANRX1|PIO_PB14A_CANTX1, ID_PIOB, PIO_PERIPH_A, PIO_DEFAULT, (PIN_ATTR_DIGITAL|PIN_ATTR_COMBO), NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER },
// END
{ NULL, 0, 0, PIO_NOT_A_PIN, PIO_DEFAULT, 0, NO_ADC, NO_ADC, NOT_ON_PWM, NOT_ON_TIMER }
} ;
#ifdef __cplusplus
}
#endif
/*
* UART objects
*/
RingBuffer rx_buffer1;
UARTClass Serial(UART, UART_IRQn, ID_UART, &rx_buffer1);
void serialEvent() __attribute__((weak));
void serialEvent() { }
// IT handlers
void UART_Handler(void)
{
Serial.IrqHandler();
}
// ----------------------------------------------------------------------------
/*
* USART objects
*/
RingBuffer rx_buffer2;
RingBuffer rx_buffer3;
RingBuffer rx_buffer4;
USARTClass Serial1(USART0, USART0_IRQn, ID_USART0, &rx_buffer2);
void serialEvent1() __attribute__((weak));
void serialEvent1() { }
USARTClass Serial2(USART1, USART1_IRQn, ID_USART1, &rx_buffer3);
void serialEvent2() __attribute__((weak));
void serialEvent2() { }
USARTClass Serial3(USART3, USART3_IRQn, ID_USART3, &rx_buffer4);
void serialEvent3() __attribute__((weak));
void serialEvent3() { }
// IT handlers
void USART0_Handler(void)
{
Serial1.IrqHandler();
}
void USART1_Handler(void)
{
Serial2.IrqHandler();
}
void USART3_Handler(void)
{
Serial3.IrqHandler();
}
// ----------------------------------------------------------------------------
void serialEventRun(void)
{
if (Serial.available()) serialEvent();
if (Serial1.available()) serialEvent1();
if (Serial2.available()) serialEvent2();
if (Serial3.available()) serialEvent3();
}
// ----------------------------------------------------------------------------
#ifdef __cplusplus
extern "C" {
#endif
void __libc_init_array(void);
void init( void )
{
SystemInit();
// Set Systick to 1ms interval, common to all SAM3 variants
if (SysTick_Config(SystemCoreClock / 1000))
{
// Capture error
while (true);
}
// Disable watchdog
//***** Commented out by DC
//WDT_Disable(WDT);
// Initialize C library
__libc_init_array();
// Disable pull-up on every pin
for (int i = 0; i < PINS_COUNT; i++)
digitalWrite(i, LOW);
// Enable parallel access on PIO output data registers
PIOA->PIO_OWER = 0xFFFFFFFF;
PIOB->PIO_OWER = 0xFFFFFFFF;
PIOC->PIO_OWER = 0xFFFFFFFF;
PIOD->PIO_OWER = 0xFFFFFFFF;
// Initialize Serial port U(S)ART pins
PIO_Configure(
g_APinDescription[PINS_UART].pPort,
g_APinDescription[PINS_UART].ulPinType,
g_APinDescription[PINS_UART].ulPin,
g_APinDescription[PINS_UART].ulPinConfiguration);
digitalWrite(0, HIGH); // Enable pullup for RX0
PIO_Configure(
g_APinDescription[PINS_USART0].pPort,
g_APinDescription[PINS_USART0].ulPinType,
g_APinDescription[PINS_USART0].ulPin,
g_APinDescription[PINS_USART0].ulPinConfiguration);
PIO_Configure(
g_APinDescription[PINS_USART1].pPort,
g_APinDescription[PINS_USART1].ulPinType,
g_APinDescription[PINS_USART1].ulPin,
g_APinDescription[PINS_USART1].ulPinConfiguration);
PIO_Configure(
g_APinDescription[PINS_USART3].pPort,
g_APinDescription[PINS_USART3].ulPinType,
g_APinDescription[PINS_USART3].ulPin,
g_APinDescription[PINS_USART3].ulPinConfiguration);
// Initialize USB pins
PIO_Configure(
g_APinDescription[PINS_USB].pPort,
g_APinDescription[PINS_USB].ulPinType,
g_APinDescription[PINS_USB].ulPin,
g_APinDescription[PINS_USB].ulPinConfiguration);
// Initialize CAN pins
PIO_Configure(
g_APinDescription[PINS_CAN0].pPort,
g_APinDescription[PINS_CAN0].ulPinType,
g_APinDescription[PINS_CAN0].ulPin,
g_APinDescription[PINS_CAN0].ulPinConfiguration);
PIO_Configure(
g_APinDescription[PINS_CAN1].pPort,
g_APinDescription[PINS_CAN1].ulPinType,
g_APinDescription[PINS_CAN1].ulPin,
g_APinDescription[PINS_CAN1].ulPinConfiguration);
// Initialize Analog Controller
pmc_enable_periph_clk(ID_ADC);
adc_init(ADC, SystemCoreClock, ADC_FREQ_MAX, ADC_STARTUP_FAST);
adc_configure_timing(ADC, 0, ADC_SETTLING_TIME_3, 1);
adc_configure_trigger(ADC, ADC_TRIG_SW, 0); // Disable hardware trigger.
adc_disable_interrupt(ADC, 0xFFFFFFFF); // Disable all ADC interrupts.
adc_disable_all_channel(ADC);
// Initialize analogOutput module
analogOutputInit();
}
#ifdef __cplusplus
}
#endif