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-rw-r--r--cores/arduino/CDC.cpp79
-rw-r--r--cores/arduino/HardwareSerial.cpp3
-rw-r--r--cores/arduino/HardwareSerial.h4
-rw-r--r--cores/arduino/IPAddress.cpp42
-rw-r--r--cores/arduino/IPAddress.h7
-rw-r--r--cores/arduino/PluggableUSB.cpp103
-rw-r--r--cores/arduino/PluggableUSB.h63
-rw-r--r--cores/arduino/Print.cpp7
-rw-r--r--cores/arduino/Stream.cpp66
-rw-r--r--cores/arduino/Stream.h42
-rw-r--r--cores/arduino/Tone.cpp3
-rw-r--r--cores/arduino/USBAPI.h64
-rw-r--r--cores/arduino/USBCore.cpp89
-rw-r--r--cores/arduino/USBCore.h12
-rw-r--r--cores/arduino/USBDesc.h47
-rw-r--r--cores/arduino/WInterrupts.c62
-rw-r--r--cores/arduino/wiring.c10
-rw-r--r--cores/arduino/wiring_digital.c2
-rw-r--r--cores/arduino/wiring_private.h3
-rw-r--r--cores/arduino/wiring_pulse.c17
20 files changed, 495 insertions, 230 deletions
diff --git a/cores/arduino/CDC.cpp b/cores/arduino/CDC.cpp
index d694a2d..f19b44c 100644
--- a/cores/arduino/CDC.cpp
+++ b/cores/arduino/CDC.cpp
@@ -18,6 +18,7 @@
#include "USBAPI.h"
#include <avr/wdt.h>
+#include <util/atomic.h>
#if defined(USBCON)
@@ -31,6 +32,7 @@ typedef struct
} LineInfo;
static volatile LineInfo _usbLineInfo = { 57600, 0x00, 0x00, 0x00, 0x00 };
+static volatile int32_t breakValue = -1;
#define WEAK __attribute__ ((weak))
@@ -49,8 +51,8 @@ const CDCDescriptor _cdcInterface =
// CDC data interface
D_INTERFACE(CDC_DATA_INTERFACE,2,CDC_DATA_INTERFACE_CLASS,0,0),
- D_ENDPOINT(USB_ENDPOINT_OUT(CDC_ENDPOINT_OUT),USB_ENDPOINT_TYPE_BULK,0x40,0),
- D_ENDPOINT(USB_ENDPOINT_IN (CDC_ENDPOINT_IN ),USB_ENDPOINT_TYPE_BULK,0x40,0)
+ D_ENDPOINT(USB_ENDPOINT_OUT(CDC_ENDPOINT_OUT),USB_ENDPOINT_TYPE_BULK,USB_EP_SIZE,0),
+ D_ENDPOINT(USB_ENDPOINT_IN (CDC_ENDPOINT_IN ),USB_ENDPOINT_TYPE_BULK,USB_EP_SIZE,0)
};
int CDC_GetInterface(u8* interfaceNum)
@@ -75,6 +77,11 @@ bool CDC_Setup(USBSetup& setup)
if (REQUEST_HOSTTODEVICE_CLASS_INTERFACE == requestType)
{
+ if (CDC_SEND_BREAK == r)
+ {
+ breakValue = ((uint16_t)setup.wValueH << 8) | setup.wValueL;
+ }
+
if (CDC_SET_LINE_CODING == r)
{
USB_RecvControl((void*)&_usbLineInfo,7);
@@ -92,11 +99,24 @@ bool CDC_Setup(USBSetup& setup)
// with a relatively long period so it can finish housekeeping tasks
// like servicing endpoints before the sketch ends
+#ifndef MAGIC_KEY
+#define MAGIC_KEY 0x7777
+#endif
+#ifndef MAGIC_KEY_POS
+#define MAGIC_KEY_POS 0x0800
+#endif
+
// We check DTR state to determine if host port is open (bit 0 of lineState).
if (1200 == _usbLineInfo.dwDTERate && (_usbLineInfo.lineState & 0x01) == 0)
{
- *(uint16_t *)(RAMEND-1) = *(uint16_t *)0x0800;
- *(uint16_t *)0x0800 = 0x7777;
+#if MAGIC_KEY_POS != (RAMEND-1)
+ *(uint16_t *)(RAMEND-1) = *(uint16_t *)MAGIC_KEY_POS;
+ *(uint16_t *)MAGIC_KEY_POS = MAGIC_KEY;
+#else
+ // for future boards save the key in the inproblematic RAMEND
+ // which is reserved for the main() return value (which will never return)
+ *(uint16_t *)MAGIC_KEY_POS = MAGIC_KEY;
+#endif
wdt_enable(WDTO_120MS);
}
else
@@ -108,7 +128,11 @@ bool CDC_Setup(USBSetup& setup)
wdt_disable();
wdt_reset();
- *(uint16_t *)0x0800 = *(uint16_t *)(RAMEND-1);
+#if MAGIC_KEY_POS != (RAMEND-1)
+ *(uint16_t *)MAGIC_KEY_POS = *(uint16_t *)(RAMEND-1);
+#else
+ *(uint16_t *)MAGIC_KEY_POS = 0x0000;
+#endif
}
}
return true;
@@ -156,6 +180,11 @@ int Serial_::read(void)
return USB_Recv(CDC_RX);
}
+int Serial_::availableForWrite(void)
+{
+ return USB_SendSpace(CDC_TX);
+}
+
void Serial_::flush(void)
{
USB_Flush(CDC_TX);
@@ -205,6 +234,46 @@ Serial_::operator bool() {
return result;
}
+unsigned long Serial_::baud() {
+ // Disable interrupts while reading a multi-byte value
+ uint32_t baudrate;
+ ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
+ baudrate = _usbLineInfo.dwDTERate;
+ }
+ return baudrate;
+}
+
+uint8_t Serial_::stopbits() {
+ return _usbLineInfo.bCharFormat;
+}
+
+uint8_t Serial_::paritytype() {
+ return _usbLineInfo.bParityType;
+}
+
+uint8_t Serial_::numbits() {
+ return _usbLineInfo.bDataBits;
+}
+
+bool Serial_::dtr() {
+ return _usbLineInfo.lineState & 0x1;
+}
+
+bool Serial_::rts() {
+ return _usbLineInfo.lineState & 0x2;
+}
+
+int32_t Serial_::readBreak() {
+ int32_t ret;
+ // Disable IRQs while reading and clearing breakValue to make
+ // sure we don't overwrite a value just set by the ISR.
+ ATOMIC_BLOCK(ATOMIC_RESTORESTATE) {
+ ret = breakValue;
+ breakValue = -1;
+ }
+ return ret;
+}
+
Serial_ Serial;
#endif /* if defined(USBCON) */
diff --git a/cores/arduino/HardwareSerial.cpp b/cores/arduino/HardwareSerial.cpp
index a2029a8..5cd89e5 100644
--- a/cores/arduino/HardwareSerial.cpp
+++ b/cores/arduino/HardwareSerial.cpp
@@ -138,8 +138,7 @@ void HardwareSerial::begin(unsigned long baud, byte config)
void HardwareSerial::end()
{
// wait for transmission of outgoing data
- while (_tx_buffer_head != _tx_buffer_tail)
- ;
+ flush();
cbi(*_ucsrb, RXEN0);
cbi(*_ucsrb, TXEN0);
diff --git a/cores/arduino/HardwareSerial.h b/cores/arduino/HardwareSerial.h
index 1beafc5..8a5bf95 100644
--- a/cores/arduino/HardwareSerial.h
+++ b/cores/arduino/HardwareSerial.h
@@ -40,14 +40,14 @@
// often work, but occasionally a race condition can occur that makes
// Serial behave erratically. See https://github.com/arduino/Arduino/issues/2405
#if !defined(SERIAL_TX_BUFFER_SIZE)
-#if (RAMEND < 1000)
+#if ((RAMEND - RAMSTART) < 1023)
#define SERIAL_TX_BUFFER_SIZE 16
#else
#define SERIAL_TX_BUFFER_SIZE 64
#endif
#endif
#if !defined(SERIAL_RX_BUFFER_SIZE)
-#if (RAMEND < 1000)
+#if ((RAMEND - RAMSTART) < 1023)
#define SERIAL_RX_BUFFER_SIZE 16
#else
#define SERIAL_RX_BUFFER_SIZE 64
diff --git a/cores/arduino/IPAddress.cpp b/cores/arduino/IPAddress.cpp
index 899cbd4..76aefa8 100644
--- a/cores/arduino/IPAddress.cpp
+++ b/cores/arduino/IPAddress.cpp
@@ -43,6 +43,48 @@ IPAddress::IPAddress(const uint8_t *address)
memcpy(_address.bytes, address, sizeof(_address.bytes));
}
+bool IPAddress::fromString(const char *address)
+{
+ // TODO: add support for "a", "a.b", "a.b.c" formats
+
+ uint16_t acc = 0; // Accumulator
+ uint8_t dots = 0;
+
+ while (*address)
+ {
+ char c = *address++;
+ if (c >= '0' && c <= '9')
+ {
+ acc = acc * 10 + (c - '0');
+ if (acc > 255) {
+ // Value out of [0..255] range
+ return false;
+ }
+ }
+ else if (c == '.')
+ {
+ if (dots == 3) {
+ // Too much dots (there must be 3 dots)
+ return false;
+ }
+ _address.bytes[dots++] = acc;
+ acc = 0;
+ }
+ else
+ {
+ // Invalid char
+ return false;
+ }
+ }
+
+ if (dots != 3) {
+ // Too few dots (there must be 3 dots)
+ return false;
+ }
+ _address.bytes[3] = acc;
+ return true;
+}
+
IPAddress& IPAddress::operator=(const uint8_t *address)
{
memcpy(_address.bytes, address, sizeof(_address.bytes));
diff --git a/cores/arduino/IPAddress.h b/cores/arduino/IPAddress.h
index 94acdc4..d762f2c 100644
--- a/cores/arduino/IPAddress.h
+++ b/cores/arduino/IPAddress.h
@@ -21,7 +21,8 @@
#define IPAddress_h
#include <stdint.h>
-#include <Printable.h>
+#include "Printable.h"
+#include "WString.h"
// A class to make it easier to handle and pass around IP addresses
@@ -45,6 +46,9 @@ public:
IPAddress(uint32_t address);
IPAddress(const uint8_t *address);
+ bool fromString(const char *address);
+ bool fromString(const String &address) { return fromString(address.c_str()); }
+
// Overloaded cast operator to allow IPAddress objects to be used where a pointer
// to a four-byte uint8_t array is expected
operator uint32_t() const { return _address.dword; };
@@ -71,5 +75,4 @@ public:
const IPAddress INADDR_NONE(0,0,0,0);
-
#endif
diff --git a/cores/arduino/PluggableUSB.cpp b/cores/arduino/PluggableUSB.cpp
index 857a27f..c489d9f 100644
--- a/cores/arduino/PluggableUSB.cpp
+++ b/cores/arduino/PluggableUSB.cpp
@@ -23,78 +23,93 @@
#if defined(USBCON)
#ifdef PLUGGABLE_USB_ENABLED
-#define MAX_MODULES 6
+extern uint8_t _initEndpoints[];
-static u8 lastIf = CDC_ACM_INTERFACE + CDC_INTERFACE_COUNT;
-static u8 lastEp = CDC_FIRST_ENDPOINT + CDC_ENPOINT_COUNT;
-
-extern u8 _initEndpoints[];
-
-//PUSBCallbacks cbs[MAX_MODULES];
-static u8 modules_count = 0;
-
-static PUSBListNode* rootNode = NULL;
+int PluggableUSB_::getInterface(uint8_t* interfaceCount)
+{
+ int sent = 0;
+ PluggableUSBModule* node;
+ for (node = rootNode; node; node = node->next) {
+ int res = node->getInterface(interfaceCount);
+ if (res < 0)
+ return -1;
+ sent += res;
+ }
+ return sent;
+}
-int PUSB_GetInterface(u8* interfaceNum)
+int PluggableUSB_::getDescriptor(USBSetup& setup)
{
- int ret = 0;
- PUSBListNode* node = rootNode;
- for (u8 i=0; i<modules_count; i++) {
- ret = node->cb->getInterface(interfaceNum);
- node = node->next;
+ PluggableUSBModule* node;
+ for (node = rootNode; node; node = node->next) {
+ int ret = node->getDescriptor(setup);
+ // ret!=0 -> request has been processed
+ if (ret)
+ return ret;
}
- return ret;
+ return 0;
}
-int PUSB_GetDescriptor(int8_t t)
+void PluggableUSB_::getShortName(char *iSerialNum)
{
- int ret = 0;
- PUSBListNode* node = rootNode;
- for (u8 i=0; i<modules_count && ret == 0; i++) {
- ret = node->cb->getDescriptor(t);
- node = node->next;
+ PluggableUSBModule* node;
+ for (node = rootNode; node; node = node->next) {
+ iSerialNum += node->getShortName(iSerialNum);
}
- return ret;
+ *iSerialNum = 0;
}
-bool PUSB_Setup(USBSetup& setup, u8 j)
+bool PluggableUSB_::setup(USBSetup& setup)
{
- bool ret = false;
- PUSBListNode* node = rootNode;
- for (u8 i=0; i<modules_count && ret == false; i++) {
- ret = node->cb->setup(setup, j);
- node = node->next;
+ PluggableUSBModule* node;
+ for (node = rootNode; node; node = node->next) {
+ if (node->setup(setup)) {
+ return true;
+ }
}
- return ret;
+ return false;
}
-int8_t PUSB_AddFunction(PUSBListNode *node, u8* interface)
+bool PluggableUSB_::plug(PluggableUSBModule *node)
{
- if (modules_count >= MAX_MODULES) {
- return 0;
+ if ((lastEp + node->numEndpoints) > USB_ENDPOINTS) {
+ return false;
}
- if (modules_count == 0) {
+ if (!rootNode) {
rootNode = node;
} else {
- PUSBListNode *current = rootNode;
- while(current->next != NULL) {
+ PluggableUSBModule *current = rootNode;
+ while (current->next) {
current = current->next;
}
current->next = node;
}
- *interface = lastIf;
- lastIf += node->cb->numInterfaces;
- for ( u8 i = 0; i< node->cb->numEndpoints; i++) {
- _initEndpoints[lastEp] = node->cb->endpointType[i];
+ node->pluggedInterface = lastIf;
+ node->pluggedEndpoint = lastEp;
+ lastIf += node->numInterfaces;
+ for (uint8_t i = 0; i < node->numEndpoints; i++) {
+ _initEndpoints[lastEp] = node->endpointType[i];
lastEp++;
}
- modules_count++;
- return lastEp - node->cb->numEndpoints;
+ return true;
// restart USB layer???
}
+PluggableUSB_& PluggableUSB()
+{
+ static PluggableUSB_ obj;
+ return obj;
+}
+
+PluggableUSB_::PluggableUSB_() : lastIf(CDC_ACM_INTERFACE + CDC_INTERFACE_COUNT),
+ lastEp(CDC_FIRST_ENDPOINT + CDC_ENPOINT_COUNT),
+ rootNode(NULL)
+{
+ // Empty
+}
+
#endif
-#endif /* if defined(USBCON) */ \ No newline at end of file
+#endif /* if defined(USBCON) */
diff --git a/cores/arduino/PluggableUSB.h b/cores/arduino/PluggableUSB.h
index d89040e..507f0df 100644
--- a/cores/arduino/PluggableUSB.h
+++ b/cores/arduino/PluggableUSB.h
@@ -25,38 +25,49 @@
#if defined(USBCON)
-typedef struct __attribute__((packed))
-{
- bool (*setup)(USBSetup& setup, u8 i);
- int (*getInterface)(u8* interfaceNum);
- int (*getDescriptor)(int8_t t);
- int8_t numEndpoints;
- int8_t numInterfaces;
- uint8_t *endpointType;
-} PUSBCallbacks;
-
-typedef struct
-{
- u8 interface;
- u8 firstEndpoint;
-} PUSBReturn;
-
-class PUSBListNode {
+class PluggableUSBModule {
public:
- PUSBListNode *next = NULL;
- PUSBCallbacks *cb;
- PUSBListNode(PUSBCallbacks *ncb) {cb = ncb;}
-};
+ PluggableUSBModule(uint8_t numEps, uint8_t numIfs, uint8_t *epType) :
+ numEndpoints(numEps), numInterfaces(numIfs), endpointType(epType)
+ { }
+
+protected:
+ virtual bool setup(USBSetup& setup) = 0;
+ virtual int getInterface(uint8_t* interfaceCount) = 0;
+ virtual int getDescriptor(USBSetup& setup) = 0;
+ virtual uint8_t getShortName(char *name) { name[0] = 'A'+pluggedInterface; return 1; }
+
+ uint8_t pluggedInterface;
+ uint8_t pluggedEndpoint;
-int8_t PUSB_AddFunction(PUSBListNode *node, u8 *interface);
+ const uint8_t numEndpoints;
+ const uint8_t numInterfaces;
+ const uint8_t *endpointType;
-int PUSB_GetInterface(u8* interfaceNum);
+ PluggableUSBModule *next = NULL;
-int PUSB_GetDescriptor(int8_t t);
+ friend class PluggableUSB_;
+};
-bool PUSB_Setup(USBSetup& setup, u8 i);
+class PluggableUSB_ {
+public:
+ PluggableUSB_();
+ bool plug(PluggableUSBModule *node);
+ int getInterface(uint8_t* interfaceCount);
+ int getDescriptor(USBSetup& setup);
+ bool setup(USBSetup& setup);
+ void getShortName(char *iSerialNum);
+
+private:
+ uint8_t lastIf;
+ uint8_t lastEp;
+ PluggableUSBModule* rootNode;
+};
-void PUSB_Begin();
+// Replacement for global singleton.
+// This function prevents static-initialization-order-fiasco
+// https://isocpp.org/wiki/faq/ctors#static-init-order-on-first-use
+PluggableUSB_& PluggableUSB();
#endif
diff --git a/cores/arduino/Print.cpp b/cores/arduino/Print.cpp
index 782d50b..bc97c85 100644
--- a/cores/arduino/Print.cpp
+++ b/cores/arduino/Print.cpp
@@ -17,6 +17,7 @@
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Modified 23 November 2006 by David A. Mellis
+ Modified 03 August 2015 by Chuck Todd
*/
#include <stdlib.h>
@@ -34,7 +35,8 @@ size_t Print::write(const uint8_t *buffer, size_t size)
{
size_t n = 0;
while (size--) {
- n += write(*buffer++);
+ if (write(*buffer++)) n++;
+ else break;
}
return n;
}
@@ -46,7 +48,8 @@ size_t Print::print(const __FlashStringHelper *ifsh)
while (1) {
unsigned char c = pgm_read_byte(p++);
if (c == 0) break;
- n += write(c);
+ if (write(c)) n++;
+ else break;
}
return n;
}
diff --git a/cores/arduino/Stream.cpp b/cores/arduino/Stream.cpp
index b31942f..f665465 100644
--- a/cores/arduino/Stream.cpp
+++ b/cores/arduino/Stream.cpp
@@ -26,7 +26,6 @@
#include "Stream.h"
#define PARSE_TIMEOUT 1000 // default number of milli-seconds to wait
-#define NO_SKIP_CHAR 1 // a magic char not found in a valid ASCII numeric field
// private method to read stream with timeout
int Stream::timedRead()
@@ -54,14 +53,30 @@ int Stream::timedPeek()
// returns peek of the next digit in the stream or -1 if timeout
// discards non-numeric characters
-int Stream::peekNextDigit()
+int Stream::peekNextDigit(LookaheadMode lookahead, bool detectDecimal)
{
int c;
while (1) {
c = timedPeek();
- if (c < 0) return c; // timeout
- if (c == '-') return c;
- if (c >= '0' && c <= '9') return c;
+
+ if( c < 0 ||
+ c == '-' ||
+ (c >= '0' && c <= '9') ||
+ (detectDecimal && c == '.')) return c;
+
+ switch( lookahead ){
+ case SKIP_NONE: return -1; // Fail code.
+ case SKIP_WHITESPACE:
+ switch( c ){
+ case ' ':
+ case '\t':
+ case '\r':
+ case '\n': break;
+ default: return -1; // Fail code.
+ }
+ case SKIP_ALL:
+ break;
+ }
read(); // discard non-numeric
}
}
@@ -107,31 +122,25 @@ bool Stream::findUntil(char *target, size_t targetLen, char *terminator, size_t
}
}
-
// returns the first valid (long) integer value from the current position.
-// initial characters that are not digits (or the minus sign) are skipped
-// function is terminated by the first character that is not a digit.
-long Stream::parseInt()
-{
- return parseInt(NO_SKIP_CHAR); // terminate on first non-digit character (or timeout)
-}
-
-// as above but a given skipChar is ignored
-// this allows format characters (typically commas) in values to be ignored
-long Stream::parseInt(char skipChar)
+// lookahead determines how parseInt looks ahead in the stream.
+// See LookaheadMode enumeration at the top of the file.
+// Lookahead is terminated by the first character that is not a valid part of an integer.
+// Once parsing commences, 'ignore' will be skipped in the stream.
+long Stream::parseInt(LookaheadMode lookahead, char ignore)
{
bool isNegative = false;
long value = 0;
int c;
- c = peekNextDigit();
+ c = peekNextDigit(lookahead, false);
// ignore non numeric leading characters
if(c < 0)
return 0; // zero returned if timeout
do{
- if(c == skipChar)
- ; // ignore this charactor
+ if(c == ignore)
+ ; // ignore this character
else if(c == '-')
isNegative = true;
else if(c >= '0' && c <= '9') // is c a digit?
@@ -139,36 +148,29 @@ long Stream::parseInt(char skipChar)
read(); // consume the character we got with peek
c = timedPeek();
}
- while( (c >= '0' && c <= '9') || c == skipChar );
+ while( (c >= '0' && c <= '9') || c == ignore );
if(isNegative)
value = -value;
return value;
}
-
// as parseInt but returns a floating point value
-float Stream::parseFloat()
+float Stream::parseFloat(LookaheadMode lookahead, char ignore)
{
- return parseFloat(NO_SKIP_CHAR);
-}
-
-// as above but the given skipChar is ignored
-// this allows format characters (typically commas) in values to be ignored
-float Stream::parseFloat(char skipChar){
bool isNegative = false;
bool isFraction = false;
long value = 0;
- char c;
+ int c;
float fraction = 1.0;
- c = peekNextDigit();
+ c = peekNextDigit(lookahead, true);
// ignore non numeric leading characters
if(c < 0)
return 0; // zero returned if timeout
do{
- if(c == skipChar)
+ if(c == ignore)
; // ignore
else if(c == '-')
isNegative = true;
@@ -182,7 +184,7 @@ float Stream::parseFloat(char skipChar){
read(); // consume the character we got with peek
c = timedPeek();
}
- while( (c >= '0' && c <= '9') || c == '.' || c == skipChar );
+ while( (c >= '0' && c <= '9') || (c == '.' && !isFraction) || c == ignore );
if(isNegative)
value = -value;
diff --git a/cores/arduino/Stream.h b/cores/arduino/Stream.h
index 15f6761..db71bb6 100644
--- a/cores/arduino/Stream.h
+++ b/cores/arduino/Stream.h
@@ -28,13 +28,24 @@
// compatability macros for testing
/*
#define getInt() parseInt()
-#define getInt(skipChar) parseInt(skipchar)
+#define getInt(ignore) parseInt(ignore)
#define getFloat() parseFloat()
-#define getFloat(skipChar) parseFloat(skipChar)
+#define getFloat(ignore) parseFloat(ignore)
#define getString( pre_string, post_string, buffer, length)
readBytesBetween( pre_string, terminator, buffer, length)
*/
+// This enumeration provides the lookahead options for parseInt(), parseFloat()
+// The rules set out here are used until either the first valid character is found
+// or a time out occurs due to lack of input.
+enum LookaheadMode{
+ SKIP_ALL, // All invalid characters are ignored.
+ SKIP_NONE, // Nothing is skipped, and the stream is not touched unless the first waiting character is valid.
+ SKIP_WHITESPACE // Only tabs, spaces, line feeds & carriage returns are skipped.
+};
+
+#define NO_IGNORE_CHAR '\x01' // a char not found in a valid ASCII numeric field
+
class Stream : public Print
{
protected:
@@ -42,7 +53,7 @@ class Stream : public Print
unsigned long _startMillis; // used for timeout measurement
int timedRead(); // private method to read stream with timeout
int timedPeek(); // private method to peek stream with timeout
- int peekNextDigit(); // returns the next numeric digit in the stream or -1 if timeout
+ int peekNextDigit(LookaheadMode lookahead, bool detectDecimal); // returns the next numeric digit in the stream or -1 if timeout
public:
virtual int available() = 0;
@@ -72,12 +83,15 @@ class Stream : public Print
bool findUntil(char *target, size_t targetLen, char *terminate, size_t termLen); // as above but search ends if the terminate string is found
bool findUntil(uint8_t *target, size_t targetLen, char *terminate, size_t termLen) {return findUntil((char *)target, targetLen, terminate, termLen); }
+ long parseInt(LookaheadMode lookahead = SKIP_ALL, char ignore = NO_IGNORE_CHAR);
+ // returns the first valid (long) integer value from the current position.
+ // lookahead determines how parseInt looks ahead in the stream.
+ // See LookaheadMode enumeration at the top of the file.
+ // Lookahead is terminated by the first character that is not a valid part of an integer.
+ // Once parsing commences, 'ignore' will be skipped in the stream.
- long parseInt(); // returns the first valid (long) integer value from the current position.
- // initial characters that are not digits (or the minus sign) are skipped
- // integer is terminated by the first character that is not a digit.
-
- float parseFloat(); // float version of parseInt
+ float parseFloat(LookaheadMode lookahead = SKIP_ALL, char ignore = NO_IGNORE_CHAR);
+ // float version of parseInt
size_t readBytes( char *buffer, size_t length); // read chars from stream into buffer
size_t readBytes( uint8_t *buffer, size_t length) { return readBytes((char *)buffer, length); }
@@ -94,11 +108,11 @@ class Stream : public Print
String readStringUntil(char terminator);
protected:
- long parseInt(char skipChar); // as above but the given skipChar is ignored
- // as above but the given skipChar is ignored
- // this allows format characters (typically commas) in values to be ignored
-
- float parseFloat(char skipChar); // as above but the given skipChar is ignored
+ long parseInt(char ignore) { return parseInt(SKIP_ALL, ignore); }
+ float parseFloat(char ignore) { return parseFloat(SKIP_ALL, ignore); }
+ // These overload exists for compatibility with any class that has derived
+ // Stream and used parseFloat/Int with a custom ignore character. To keep
+ // the public API simple, these overload remains protected.
struct MultiTarget {
const char *str; // string you're searching for
@@ -111,5 +125,5 @@ class Stream : public Print
int findMulti(struct MultiTarget *targets, int tCount);
};
-
+#undef NO_IGNORE_CHAR
#endif
diff --git a/cores/arduino/Tone.cpp b/cores/arduino/Tone.cpp
index 7216219..1bfb3e3 100644
--- a/cores/arduino/Tone.cpp
+++ b/cores/arduino/Tone.cpp
@@ -209,7 +209,7 @@ static int8_t toneBegin(uint8_t _pin)
#if defined(WGM42)
bitWrite(TCCR4B, WGM42, 1);
#elif defined(CS43)
- #warning this may not be correct
+ // TODO this may not be correct
// atmega32u4
bitWrite(TCCR4B, CS43, 1);
#endif
@@ -485,6 +485,7 @@ void noTone(uint8_t _pin)
if (tone_pins[i] == _pin) {
_timer = pgm_read_byte(tone_pin_to_timer_PGM + i);
tone_pins[i] = 255;
+ break;
}
}
diff --git a/cores/arduino/USBAPI.h b/cores/arduino/USBAPI.h
index 4abd961..f22ab6a 100644
--- a/cores/arduino/USBAPI.h
+++ b/cores/arduino/USBAPI.h
@@ -32,6 +32,12 @@ typedef unsigned long u32;
#include "Arduino.h"
+// This definitions is usefull if you want to reduce the EP_SIZE to 16
+// at the moment only 64 and 16 as EP_SIZE for all EPs are supported except the control endpoint
+#ifndef USB_EP_SIZE
+#define USB_EP_SIZE 64
+#endif
+
#if defined(USBCON)
#include "USBDesc.h"
@@ -41,13 +47,13 @@ typedef unsigned long u32;
//================================================================================
// USB
-#define EP_TYPE_CONTROL 0x00
-#define EP_TYPE_BULK_IN 0x81
-#define EP_TYPE_BULK_OUT 0x80
-#define EP_TYPE_INTERRUPT_IN 0xC1
-#define EP_TYPE_INTERRUPT_OUT 0xC0
-#define EP_TYPE_ISOCHRONOUS_IN 0x41
-#define EP_TYPE_ISOCHRONOUS_OUT 0x40
+#define EP_TYPE_CONTROL (0x00)
+#define EP_TYPE_BULK_IN ((1<<EPTYPE1) | (1<<EPDIR))
+#define EP_TYPE_BULK_OUT (1<<EPTYPE1)
+#define EP_TYPE_INTERRUPT_IN ((1<<EPTYPE1) | (1<<EPTYPE0) | (1<<EPDIR))
+#define EP_TYPE_INTERRUPT_OUT ((1<<EPTYPE1) | (1<<EPTYPE0))
+#define EP_TYPE_ISOCHRONOUS_IN ((1<<EPTYPE0) | (1<<EPDIR))
+#define EP_TYPE_ISOCHRONOUS_OUT (1<<EPTYPE0)
class USBDevice_
{
@@ -69,7 +75,7 @@ extern USBDevice_ USBDevice;
struct ring_buffer;
#ifndef SERIAL_BUFFER_SIZE
-#if (RAMEND < 1000)
+#if ((RAMEND - RAMSTART) < 1023)
#define SERIAL_BUFFER_SIZE 16
#else
#define SERIAL_BUFFER_SIZE 64
@@ -92,6 +98,7 @@ public:
virtual int available(void);
virtual int peek(void);
virtual int read(void);
+ int availableForWrite(void);
virtual void flush(void);
virtual size_t write(uint8_t);
virtual size_t write(const uint8_t*, size_t);
@@ -101,6 +108,46 @@ public:
volatile uint8_t _rx_buffer_head;
volatile uint8_t _rx_buffer_tail;
unsigned char _rx_buffer[SERIAL_BUFFER_SIZE];
+
+ // This method allows processing "SEND_BREAK" requests sent by
+ // the USB host. Those requests indicate that the host wants to
+ // send a BREAK signal and are accompanied by a single uint16_t
+ // value, specifying the duration of the break. The value 0
+ // means to end any current break, while the value 0xffff means
+ // to start an indefinite break.
+ // readBreak() will return the value of the most recent break
+ // request, but will return it at most once, returning -1 when
+ // readBreak() is called again (until another break request is
+ // received, which is again returned once).
+ // This also mean that if two break requests are received
+ // without readBreak() being called in between, the value of the
+ // first request is lost.
+ // Note that the value returned is a long, so it can return
+ // 0-0xffff as well as -1.
+ int32_t readBreak();
+
+ // These return the settings specified by the USB host for the
+ // serial port. These aren't really used, but are offered here
+ // in case a sketch wants to act on these settings.
+ uint32_t baud();
+ uint8_t stopbits();
+ uint8_t paritytype();
+ uint8_t numbits();
+ bool dtr();
+ bool rts();
+ enum {
+ ONE_STOP_BIT = 0,
+ ONE_AND_HALF_STOP_BIT = 1,
+ TWO_STOP_BITS = 2,
+ };
+ enum {
+ NO_PARITY = 0,
+ ODD_PARITY = 1,
+ EVEN_PARITY = 2,
+ MARK_PARITY = 3,
+ SPACE_PARITY = 4,
+ };
+
};
extern Serial_ Serial;
@@ -148,6 +195,7 @@ int USB_SendControl(uint8_t flags, const void* d, int len);
int USB_RecvControl(void* d, int len);
uint8_t USB_Available(uint8_t ep);
+uint8_t USB_SendSpace(uint8_t ep);
int USB_Send(uint8_t ep, const void* data, int len); // blocking
int USB_Recv(uint8_t ep, void* data, int len); // non-blocking
int USB_Recv(uint8_t ep); // non-blocking
diff --git a/cores/arduino/USBCore.cpp b/cores/arduino/USBCore.cpp
index 8237ccb..3c6610c 100644
--- a/cores/arduino/USBCore.cpp
+++ b/cores/arduino/USBCore.cpp
@@ -18,6 +18,7 @@
#include "USBAPI.h"
#include "PluggableUSB.h"
+#include <stdlib.h>
#if defined(USBCON)
@@ -69,10 +70,10 @@ const u8 STRING_MANUFACTURER[] PROGMEM = USB_MANUFACTURER;
// DEVICE DESCRIPTOR
const DeviceDescriptor USB_DeviceDescriptor =
- D_DEVICE(0x00,0x00,0x00,64,USB_VID,USB_PID,0x100,IMANUFACTURER,IPRODUCT,0,1);
+ D_DEVICE(0x00,0x00,0x00,64,USB_VID,USB_PID,0x100,IMANUFACTURER,IPRODUCT,ISERIAL,1);
const DeviceDescriptor USB_DeviceDescriptorB =
- D_DEVICE(0xEF,0x02,0x01,64,USB_VID,USB_PID,0x100,IMANUFACTURER,IPRODUCT,0,1);
+ D_DEVICE(0xEF,0x02,0x01,64,USB_VID,USB_PID,0x100,IMANUFACTURER,IPRODUCT,ISERIAL,1);
//==================================================================
//==================================================================
@@ -110,7 +111,7 @@ static inline void ClearOUT(void)
UEINTX = ~(1<<RXOUTI);
}
-void Recv(volatile u8* data, u8 count)
+static inline void Recv(volatile u8* data, u8 count)
{
while (count--)
*data++ = UEDATX;
@@ -253,7 +254,7 @@ u8 USB_SendSpace(u8 ep)
LockEP lock(ep);
if (!ReadWriteAllowed())
return 0;
- return 64 - FifoByteCount();
+ return USB_EP_SIZE - FifoByteCount();
}
// Blocking Send of data to an endpoint
@@ -308,24 +309,20 @@ int USB_Send(u8 ep, const void* d, int len)
return r;
}
-u8 _initEndpoints[] =
+u8 _initEndpoints[USB_ENDPOINTS] =
{
- 0,
+ 0, // Control Endpoint
- EP_TYPE_INTERRUPT_IN, // CDC_ENDPOINT_ACM
- EP_TYPE_BULK_OUT, // CDC_ENDPOINT_OUT
- EP_TYPE_BULK_IN, // CDC_ENDPOINT_IN
+ EP_TYPE_INTERRUPT_IN, // CDC_ENDPOINT_ACM
+ EP_TYPE_BULK_OUT, // CDC_ENDPOINT_OUT
+ EP_TYPE_BULK_IN, // CDC_ENDPOINT_IN
-#ifdef PLUGGABLE_USB_ENABLED
- //allocate 3 endpoints and remove const so they can be changed by the user
- 0,
- 0,
- 0,
-#endif
+ // Following endpoints are automatically initialized to 0
};
#define EP_SINGLE_64 0x32 // EP0
#define EP_DOUBLE_64 0x36 // Other endpoints
+#define EP_SINGLE_16 0x12
static
void InitEP(u8 index, u8 type, u8 size)
@@ -344,7 +341,13 @@ void InitEndpoints()
UENUM = i;
UECONX = (1<<EPEN);
UECFG0X = _initEndpoints[i];
+#if USB_EP_SIZE == 16
+ UECFG1X = EP_SINGLE_16;
+#elif USB_EP_SIZE == 64
UECFG1X = EP_DOUBLE_64;
+#else
+#error Unsupported value for USB_EP_SIZE
+#endif
}
UERST = 0x7E; // And reset them
UERST = 0;
@@ -360,13 +363,13 @@ bool ClassInterfaceRequest(USBSetup& setup)
return CDC_Setup(setup);
#ifdef PLUGGABLE_USB_ENABLED
- return PUSB_Setup(setup, i);
+ return PluggableUSB().setup(setup);
#endif
return false;
}
-int _cmark;
-int _cend;
+static int _cmark;
+static int _cend;
void InitControl(int end)
{
SetEP(0);
@@ -407,11 +410,12 @@ int USB_SendControl(u8 flags, const void* d, int len)
// Send a USB descriptor string. The string is stored in PROGMEM as a
// plain ASCII string but is sent out as UTF-16 with the correct 2-byte
// prefix
-static bool USB_SendStringDescriptor(const u8*string_P, u8 string_len) {
+static bool USB_SendStringDescriptor(const u8*string_P, u8 string_len, uint8_t flags) {
SendControl(2 + string_len * 2);
SendControl(3);
+ bool pgm = flags & TRANSFER_PGM;
for(u8 i = 0; i < string_len; i++) {
- bool r = SendControl(pgm_read_byte(&string_P[i]));
+ bool r = SendControl(pgm ? pgm_read_byte(&string_P[i]) : string_P[i]);
r &= SendControl(0); // high byte
if(!r) {
return false;
@@ -431,14 +435,14 @@ int USB_RecvControl(void* d, int len)
return len;
}
-int SendInterfaces()
+static u8 SendInterfaces()
{
u8 interfaces = 0;
CDC_GetInterface(&interfaces);
#ifdef PLUGGABLE_USB_ENABLED
- PUSB_GetInterface(&interfaces);
+ PluggableUSB().getInterface(&interfaces);
#endif
return interfaces;
@@ -452,7 +456,7 @@ bool SendConfiguration(int maxlen)
{
// Count and measure interfaces
InitControl(0);
- int interfaces = SendInterfaces();
+ u8 interfaces = SendInterfaces();
ConfigDescriptor config = D_CONFIG(_cmark + sizeof(ConfigDescriptor),interfaces);
// Now send them
@@ -462,7 +466,7 @@ bool SendConfiguration(int maxlen)
return true;
}
-u8 _cdcComposite = 0;
+static u8 _cdcComposite = 0;
static
bool SendDescriptor(USBSetup& setup)
@@ -474,7 +478,7 @@ bool SendDescriptor(USBSetup& setup)
InitControl(setup.wLength);
#ifdef PLUGGABLE_USB_ENABLED
- ret = PUSB_GetDescriptor(t);
+ ret = PluggableUSB().getDescriptor(setup);
if (ret != 0) {
return (ret > 0 ? true : false);
}
@@ -493,10 +497,17 @@ bool SendDescriptor(USBSetup& setup)
desc_addr = (const u8*)&STRING_LANGUAGE;
}
else if (setup.wValueL == IPRODUCT) {
- return USB_SendStringDescriptor(STRING_PRODUCT, strlen(USB_PRODUCT));
+ return USB_SendStringDescriptor(STRING_PRODUCT, strlen(USB_PRODUCT), TRANSFER_PGM);
}
else if (setup.wValueL == IMANUFACTURER) {
- return USB_SendStringDescriptor(STRING_MANUFACTURER, strlen(USB_MANUFACTURER));
+ return USB_SendStringDescriptor(STRING_MANUFACTURER, strlen(USB_MANUFACTURER), TRANSFER_PGM);
+ }
+ else if (setup.wValueL == ISERIAL) {
+#ifdef PLUGGABLE_USB_ENABLED
+ char name[ISERIAL_MAX_LEN];
+ PluggableUSB().getShortName(name);
+ return USB_SendStringDescriptor((uint8_t*)name, strlen(name), 0);
+#endif
}
else
return false;
@@ -620,13 +631,19 @@ void USB_Flush(u8 ep)
static inline void USB_ClockDisable()
{
+#if defined(OTGPADE)
USBCON = (USBCON & ~(1<<OTGPADE)) | (1<<FRZCLK); // freeze clock and disable VBUS Pad
+#else // u2 Series
+ USBCON = (1 << FRZCLK); // freeze clock
+#endif
PLLCSR &= ~(1<<PLLE); // stop PLL
}
static inline void USB_ClockEnable()
{
+#if defined(UHWCON)
UHWCON |= (1<<UVREGE); // power internal reg
+#endif
USBCON = (1<<USBE) | (1<<FRZCLK); // clock frozen, usb enabled
// ATmega32U4
@@ -639,6 +656,16 @@ static inline void USB_ClockEnable()
#error "Clock rate of F_CPU not supported"
#endif
+#elif defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega8U2__)
+ // for the u2 Series the datasheet is confusing. On page 40 its called PINDIV and on page 290 its called PLLP0
+#if F_CPU == 16000000UL
+ // Need 16 MHz xtal
+ PLLCSR |= (1 << PLLP0);
+#elif F_CPU == 8000000UL
+ // Need 8 MHz xtal
+ PLLCSR &= ~(1 << PLLP0);
+#endif
+
// AT90USB646, AT90USB647, AT90USB1286, AT90USB1287
#elif defined(PLLP2)
#if F_CPU == 16000000UL
@@ -670,10 +697,18 @@ static inline void USB_ClockEnable()
// strange behaviors when the board is reset using the serial
// port touch at 1200 bps. This delay fixes this behavior.
delay(1);
+#if defined(OTGPADE)
USBCON = (USBCON & ~(1<<FRZCLK)) | (1<<OTGPADE); // start USB clock, enable VBUS Pad
+#else
+ USBCON &= ~(1 << FRZCLK); // start USB clock
+#endif
#if defined(RSTCPU)
+#if defined(LSM)
UDCON &= ~((1<<RSTCPU) | (1<<LSM) | (1<<RMWKUP) | (1<<DETACH)); // enable attach resistor, set full speed mode
+#else // u2 Series
+ UDCON &= ~((1 << RSTCPU) | (1 << RMWKUP) | (1 << DETACH)); // enable attach resistor, set full speed mode
+#endif
#else
// AT90USB64x and AT90USB128x don't have RSTCPU
UDCON &= ~((1<<LSM) | (1<<RMWKUP) | (1<<DETACH)); // enable attach resistor, set full speed mode
diff --git a/cores/arduino/USBCore.h b/cores/arduino/USBCore.h
index 66f8c05..4e08d71 100644
--- a/cores/arduino/USBCore.h
+++ b/cores/arduino/USBCore.h
@@ -49,14 +49,16 @@
#define REQUEST_OTHER 0x03
#define REQUEST_RECIPIENT 0x03
-#define REQUEST_DEVICETOHOST_CLASS_INTERFACE (REQUEST_DEVICETOHOST + REQUEST_CLASS + REQUEST_INTERFACE)
-#define REQUEST_HOSTTODEVICE_CLASS_INTERFACE (REQUEST_HOSTTODEVICE + REQUEST_CLASS + REQUEST_INTERFACE)
+#define REQUEST_DEVICETOHOST_CLASS_INTERFACE (REQUEST_DEVICETOHOST | REQUEST_CLASS | REQUEST_INTERFACE)
+#define REQUEST_HOSTTODEVICE_CLASS_INTERFACE (REQUEST_HOSTTODEVICE | REQUEST_CLASS | REQUEST_INTERFACE)
+#define REQUEST_DEVICETOHOST_STANDARD_INTERFACE (REQUEST_DEVICETOHOST | REQUEST_STANDARD | REQUEST_INTERFACE)
// Class requests
#define CDC_SET_LINE_CODING 0x20
#define CDC_GET_LINE_CODING 0x21
#define CDC_SET_CONTROL_LINE_STATE 0x22
+#define CDC_SEND_BREAK 0x23
#define MSC_RESET 0xFF
#define MSC_GET_MAX_LUN 0xFE
@@ -98,8 +100,8 @@
// bEndpointAddress in Endpoint Descriptor
#define USB_ENDPOINT_DIRECTION_MASK 0x80
-#define USB_ENDPOINT_OUT(addr) ((addr) | 0x00)
-#define USB_ENDPOINT_IN(addr) ((addr) | 0x80)
+#define USB_ENDPOINT_OUT(addr) (lowByte((addr) | 0x00))
+#define USB_ENDPOINT_IN(addr) (lowByte((addr) | 0x80))
#define USB_ENDPOINT_TYPE_MASK 0x03
#define USB_ENDPOINT_TYPE_CONTROL 0x00
@@ -276,4 +278,4 @@ typedef struct
#define D_CDCCS4(_subtype,_d0) { 4, 0x24, _subtype, _d0 }
-#endif \ No newline at end of file
+#endif
diff --git a/cores/arduino/USBDesc.h b/cores/arduino/USBDesc.h
index 1962727..c0dce07 100644
--- a/cores/arduino/USBDesc.h
+++ b/cores/arduino/USBDesc.h
@@ -1,23 +1,30 @@
-
-
-/* Copyright (c) 2011, 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.
-*/
+/*
+ Copyright (c) 2011, Peter Barrett
+ Copyright (c) 2015, Arduino LLC
+
+ 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.
+ */
#define PLUGGABLE_USB_ENABLED
+#if defined(EPRST6)
+#define USB_ENDPOINTS 7 // AtMegaxxU4
+#else
+#define USB_ENDPOINTS 5 // AtMegaxxU2
+#endif
+
+#define ISERIAL_MAX_LEN 20
#define CDC_INTERFACE_COUNT 2
#define CDC_ENPOINT_COUNT 3
@@ -34,6 +41,6 @@
#define CDC_RX CDC_ENDPOINT_OUT
#define CDC_TX CDC_ENDPOINT_IN
-#define IMANUFACTURER 1
-#define IPRODUCT 2
-
+#define IMANUFACTURER 1
+#define IPRODUCT 2
+#define ISERIAL 3 \ No newline at end of file
diff --git a/cores/arduino/WInterrupts.c b/cores/arduino/WInterrupts.c
index 71dd45c..7e9f717 100644
--- a/cores/arduino/WInterrupts.c
+++ b/cores/arduino/WInterrupts.c
@@ -32,7 +32,39 @@
#include "wiring_private.h"
-static volatile voidFuncPtr intFunc[EXTERNAL_NUM_INTERRUPTS];
+static void nothing(void) {
+}
+
+static volatile voidFuncPtr intFunc[EXTERNAL_NUM_INTERRUPTS] = {
+#if EXTERNAL_NUM_INTERRUPTS > 8
+ #warning There are more than 8 external interrupts. Some callbacks may not be initialized.
+ nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 7
+ nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 6
+ nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 5
+ nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 4
+ nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 3
+ nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 2
+ nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 1
+ nothing,
+#endif
+#if EXTERNAL_NUM_INTERRUPTS > 0
+ nothing,
+#endif
+};
// volatile static voidFuncPtr twiIntFunc;
void attachInterrupt(uint8_t interruptNum, void (*userFunc)(void), int mode) {
@@ -238,7 +270,7 @@ void detachInterrupt(uint8_t interruptNum) {
#endif
}
- intFunc[interruptNum] = 0;
+ intFunc[interruptNum] = nothing;
}
}
@@ -250,87 +282,71 @@ void attachInterruptTwi(void (*userFunc)(void) ) {
#if defined(__AVR_ATmega32U4__)
ISR(INT0_vect) {
- if(intFunc[EXTERNAL_INT_0])
- intFunc[EXTERNAL_INT_0]();
+ intFunc[EXTERNAL_INT_0]();
}
ISR(INT1_vect) {
- if(intFunc[EXTERNAL_INT_1])
- intFunc[EXTERNAL_INT_1]();
+ intFunc[EXTERNAL_INT_1]();
}
ISR(INT2_vect) {
- if(intFunc[EXTERNAL_INT_2])
- intFunc[EXTERNAL_INT_2]();
+ intFunc[EXTERNAL_INT_2]();
}
ISR(INT3_vect) {
- if(intFunc[EXTERNAL_INT_3])
- intFunc[EXTERNAL_INT_3]();
+ intFunc[EXTERNAL_INT_3]();
}
ISR(INT6_vect) {
- if(intFunc[EXTERNAL_INT_4])
- intFunc[EXTERNAL_INT_4]();
+ intFunc[EXTERNAL_INT_4]();
}
#elif defined(EICRA) && defined(EICRB)
ISR(INT0_vect) {
- if(intFunc[EXTERNAL_INT_2])
intFunc[EXTERNAL_INT_2]();
}
ISR(INT1_vect) {
- if(intFunc[EXTERNAL_INT_3])
intFunc[EXTERNAL_INT_3]();
}
ISR(INT2_vect) {
- if(intFunc[EXTERNAL_INT_4])
intFunc[EXTERNAL_INT_4]();
}
ISR(INT3_vect) {
- if(intFunc[EXTERNAL_INT_5])
intFunc[EXTERNAL_INT_5]();
}
ISR(INT4_vect) {
- if(intFunc[EXTERNAL_INT_0])
intFunc[EXTERNAL_INT_0]();
}
ISR(INT5_vect) {
- if(intFunc[EXTERNAL_INT_1])
intFunc[EXTERNAL_INT_1]();
}
ISR(INT6_vect) {
- if(intFunc[EXTERNAL_INT_6])
intFunc[EXTERNAL_INT_6]();
}
ISR(INT7_vect) {
- if(intFunc[EXTERNAL_INT_7])
intFunc[EXTERNAL_INT_7]();
}
#else
ISR(INT0_vect) {
- if(intFunc[EXTERNAL_INT_0])
intFunc[EXTERNAL_INT_0]();
}
ISR(INT1_vect) {
- if(intFunc[EXTERNAL_INT_1])
intFunc[EXTERNAL_INT_1]();
}
#if defined(EICRA) && defined(ISC20)
ISR(INT2_vect) {
- if(intFunc[EXTERNAL_INT_2])
intFunc[EXTERNAL_INT_2]();
}
#endif
diff --git a/cores/arduino/wiring.c b/cores/arduino/wiring.c
index f1a14ef..1c3e5a5 100644
--- a/cores/arduino/wiring.c
+++ b/cores/arduino/wiring.c
@@ -303,8 +303,6 @@ void init()
// put timer 1 in 8-bit phase correct pwm mode
#if defined(TCCR1A) && defined(WGM10)
sbi(TCCR1A, WGM10);
-#elif defined(TCCR1)
- #warning this needs to be finished
#endif
// set timer 2 prescale factor to 64
@@ -312,8 +310,8 @@ void init()
sbi(TCCR2, CS22);
#elif defined(TCCR2B) && defined(CS22)
sbi(TCCR2B, CS22);
-#else
- #warning Timer 2 not finished (may not be present on this CPU)
+//#else
+ // Timer 2 not finished (may not be present on this CPU)
#endif
// configure timer 2 for phase correct pwm (8-bit)
@@ -321,8 +319,8 @@ void init()
sbi(TCCR2, WGM20);
#elif defined(TCCR2A) && defined(WGM20)
sbi(TCCR2A, WGM20);
-#else
- #warning Timer 2 not finished (may not be present on this CPU)
+//#else
+ // Timer 2 not finished (may not be present on this CPU)
#endif
#if defined(TCCR3B) && defined(CS31) && defined(WGM30)
diff --git a/cores/arduino/wiring_digital.c b/cores/arduino/wiring_digital.c
index 51adb2c..27a62fc 100644
--- a/cores/arduino/wiring_digital.c
+++ b/cores/arduino/wiring_digital.c
@@ -94,7 +94,7 @@ static void turnOffPWM(uint8_t timer)
case TIMER0A: cbi(TCCR0A, COM0A1); break;
#endif
- #if defined(TIMER0B) && defined(COM0B1)
+ #if defined(TCCR0A) && defined(COM0B1)
case TIMER0B: cbi(TCCR0A, COM0B1); break;
#endif
#if defined(TCCR2A) && defined(COM2A1)
diff --git a/cores/arduino/wiring_private.h b/cores/arduino/wiring_private.h
index ed7c8f0..a277b14 100644
--- a/cores/arduino/wiring_private.h
+++ b/cores/arduino/wiring_private.h
@@ -52,7 +52,8 @@ uint32_t countPulseASM(volatile uint8_t *port, uint8_t bit, uint8_t stateMask, u
#define EXTERNAL_INT_6 6
#define EXTERNAL_INT_7 7
-#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega128RFA1__) || defined(__AVR_ATmega256RFR2__)
+#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega128RFA1__) || defined(__AVR_ATmega256RFR2__) || \
+ defined(__AVR_AT90USB82__) || defined(__AVR_AT90USB162__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega8U2__)
#define EXTERNAL_NUM_INTERRUPTS 8
#elif defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega644__) || defined(__AVR_ATmega644A__) || defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644PA__)
#define EXTERNAL_NUM_INTERRUPTS 3
diff --git a/cores/arduino/wiring_pulse.c b/cores/arduino/wiring_pulse.c
index 76383e9..d6e0434 100644
--- a/cores/arduino/wiring_pulse.c
+++ b/cores/arduino/wiring_pulse.c
@@ -69,25 +69,24 @@ unsigned long pulseInLong(uint8_t pin, uint8_t state, unsigned long timeout)
uint8_t port = digitalPinToPort(pin);
uint8_t stateMask = (state ? bit : 0);
- // convert the timeout from microseconds to a number of times through
- // the initial loop; it takes 16 clock cycles per iteration.
- unsigned long numloops = 0;
- unsigned long maxloops = microsecondsToClockCycles(timeout);
+ unsigned long startMicros = micros();
// wait for any previous pulse to end
- while ((*portInputRegister(port) & bit) == stateMask)
- if (numloops++ == maxloops)
+ while ((*portInputRegister(port) & bit) == stateMask) {
+ if (micros() - startMicros > timeout)
return 0;
+ }
// wait for the pulse to start
- while ((*portInputRegister(port) & bit) != stateMask)
- if (numloops++ == maxloops)
+ while ((*portInputRegister(port) & bit) != stateMask) {
+ if (micros() - startMicros > timeout)
return 0;
+ }
unsigned long start = micros();
// wait for the pulse to stop
while ((*portInputRegister(port) & bit) == stateMask) {
- if (numloops++ == maxloops)
+ if (micros() - startMicros > timeout)
return 0;
}
return micros() - start;
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2025-11-03 22:57:29 +0000