diff options
Diffstat (limited to 'cores/arduino')
-rw-r--r--[-rwxr-xr-x] | cores/arduino/Arduino.h | 2 | ||||
-rw-r--r-- | cores/arduino/CDC.cpp | 41 | ||||
-rw-r--r-- | cores/arduino/HardwareSerial.cpp | 123 | ||||
-rw-r--r-- | cores/arduino/HardwareSerial.h | 28 | ||||
-rw-r--r-- | cores/arduino/IPAddress.h | 1 | ||||
-rw-r--r--[-rwxr-xr-x] | cores/arduino/Print.cpp | 0 | ||||
-rw-r--r--[-rwxr-xr-x] | cores/arduino/Print.h | 0 | ||||
-rw-r--r--[-rwxr-xr-x] | cores/arduino/Tone.cpp | 0 | ||||
-rw-r--r-- | cores/arduino/USBAPI.h | 14 | ||||
-rw-r--r-- | cores/arduino/USBCore.cpp | 70 | ||||
-rw-r--r-- | cores/arduino/WString.cpp | 65 | ||||
-rw-r--r-- | cores/arduino/WString.h | 17 | ||||
-rw-r--r-- | cores/arduino/hooks.c | 31 | ||||
-rw-r--r-- | cores/arduino/wiring.c | 1 | ||||
-rw-r--r--[-rwxr-xr-x] | cores/arduino/wiring_private.h | 0 | ||||
-rw-r--r--[-rwxr-xr-x] | cores/arduino/wiring_pulse.c | 0 | ||||
-rw-r--r--[-rwxr-xr-x] | cores/arduino/wiring_shift.c | 0 |
17 files changed, 228 insertions, 165 deletions
diff --git a/cores/arduino/Arduino.h b/cores/arduino/Arduino.h index 3b9ccca..5596c14 100755..100644 --- a/cores/arduino/Arduino.h +++ b/cores/arduino/Arduino.h @@ -15,6 +15,8 @@ extern "C"{ #endif +void yield(void); + #define HIGH 0x1 #define LOW 0x0 diff --git a/cores/arduino/CDC.cpp b/cores/arduino/CDC.cpp index e1e859d..a691306 100644 --- a/cores/arduino/CDC.cpp +++ b/cores/arduino/CDC.cpp @@ -23,21 +23,6 @@ #if defined(USBCON) #ifdef CDC_ENABLED -#if (RAMEND < 1000) -#define SERIAL_BUFFER_SIZE 16 -#else -#define SERIAL_BUFFER_SIZE 64 -#endif - -struct ring_buffer -{ - unsigned char buffer[SERIAL_BUFFER_SIZE]; - volatile int head; - volatile int tail; -}; - -ring_buffer cdc_rx_buffer = { { 0 }, 0, 0}; - typedef struct { u32 dwDTERate; @@ -144,8 +129,7 @@ void Serial_::end(void) void Serial_::accept(void) { - ring_buffer *buffer = &cdc_rx_buffer; - int i = (unsigned int)(buffer->head+1) % SERIAL_BUFFER_SIZE; + int i = (unsigned int)(_rx_buffer_head+1) % SERIAL_BUFFER_SIZE; // if we should be storing the received character into the location // just before the tail (meaning that the head would advance to the @@ -153,42 +137,39 @@ void Serial_::accept(void) // and so we don't write the character or advance the head. // while we have room to store a byte - while (i != buffer->tail) { + while (i != _rx_buffer_tail) { int c = USB_Recv(CDC_RX); if (c == -1) break; // no more data - buffer->buffer[buffer->head] = c; - buffer->head = i; + _rx_buffer[_rx_buffer_head] = c; + _rx_buffer_head = i; - i = (unsigned int)(buffer->head+1) % SERIAL_BUFFER_SIZE; + i = (unsigned int)(_rx_buffer_head+1) % SERIAL_BUFFER_SIZE; } } int Serial_::available(void) { - ring_buffer *buffer = &cdc_rx_buffer; - return (unsigned int)(SERIAL_BUFFER_SIZE + buffer->head - buffer->tail) % SERIAL_BUFFER_SIZE; + return (unsigned int)(SERIAL_BUFFER_SIZE + _rx_buffer_head - _rx_buffer_tail) % SERIAL_BUFFER_SIZE; } int Serial_::peek(void) { - ring_buffer *buffer = &cdc_rx_buffer; - if (buffer->head == buffer->tail) { + if (_rx_buffer_head == _rx_buffer_tail) { return -1; } else { - return buffer->buffer[buffer->tail]; + return _rx_buffer[_rx_buffer_tail]; } } int Serial_::read(void) { - ring_buffer *buffer = &cdc_rx_buffer; // if the head isn't ahead of the tail, we don't have any characters - if (buffer->head == buffer->tail) { + if (_rx_buffer_head == _rx_buffer_tail) { return -1; } else { - unsigned char c = buffer->buffer[buffer->tail]; - buffer->tail = (unsigned int)(buffer->tail + 1) % SERIAL_BUFFER_SIZE; + unsigned char c = _rx_buffer[_rx_buffer_tail]; + _rx_buffer_tail = (unsigned int)(_rx_buffer_tail + 1) % SERIAL_BUFFER_SIZE; return c; } } diff --git a/cores/arduino/HardwareSerial.cpp b/cores/arduino/HardwareSerial.cpp index eb2365f..9a86fa0 100644 --- a/cores/arduino/HardwareSerial.cpp +++ b/cores/arduino/HardwareSerial.cpp @@ -49,55 +49,17 @@ #endif #endif -// Define constants and variables for buffering incoming serial data. We're -// using a ring buffer (I think), in which head is the index of the location -// to which to write the next incoming character and tail is the index of the -// location from which to read. -#if (RAMEND < 1000) - #define SERIAL_BUFFER_SIZE 16 -#else - #define SERIAL_BUFFER_SIZE 64 -#endif - -struct ring_buffer -{ - unsigned char buffer[SERIAL_BUFFER_SIZE]; - volatile unsigned int head; - volatile unsigned int tail; -}; - -#if defined(USBCON) - ring_buffer rx_buffer = { { 0 }, 0, 0}; - ring_buffer tx_buffer = { { 0 }, 0, 0}; -#endif -#if defined(UBRRH) || defined(UBRR0H) - ring_buffer rx_buffer = { { 0 }, 0, 0 }; - ring_buffer tx_buffer = { { 0 }, 0, 0 }; -#endif -#if defined(UBRR1H) - ring_buffer rx_buffer1 = { { 0 }, 0, 0 }; - ring_buffer tx_buffer1 = { { 0 }, 0, 0 }; -#endif -#if defined(UBRR2H) - ring_buffer rx_buffer2 = { { 0 }, 0, 0 }; - ring_buffer tx_buffer2 = { { 0 }, 0, 0 }; -#endif -#if defined(UBRR3H) - ring_buffer rx_buffer3 = { { 0 }, 0, 0 }; - ring_buffer tx_buffer3 = { { 0 }, 0, 0 }; -#endif - -inline void store_char(unsigned char c, ring_buffer *buffer) +inline void store_char(unsigned char c, HardwareSerial *s) { - int i = (unsigned int)(buffer->head + 1) % SERIAL_BUFFER_SIZE; + int i = (unsigned int)(s->_rx_buffer_head + 1) % SERIAL_BUFFER_SIZE; // if we should be storing the received character into the location // just before the tail (meaning that the head would advance to the // current location of the tail), we're about to overflow the buffer // and so we don't write the character or advance the head. - if (i != buffer->tail) { - buffer->buffer[buffer->head] = c; - buffer->head = i; + if (i != s->_rx_buffer_tail) { + s->_rx_buffer[s->_rx_buffer_head] = c; + s->_rx_buffer_head = i; } } @@ -122,14 +84,14 @@ inline void store_char(unsigned char c, ring_buffer *buffer) #if defined(UDR0) if (bit_is_clear(UCSR0A, UPE0)) { unsigned char c = UDR0; - store_char(c, &rx_buffer); + store_char(c, &Serial); } else { unsigned char c = UDR0; }; #elif defined(UDR) if (bit_is_clear(UCSRA, PE)) { unsigned char c = UDR; - store_char(c, &rx_buffer); + store_char(c, &Serial); } else { unsigned char c = UDR; }; @@ -148,7 +110,7 @@ inline void store_char(unsigned char c, ring_buffer *buffer) { if (bit_is_clear(UCSR1A, UPE1)) { unsigned char c = UDR1; - store_char(c, &rx_buffer1); + store_char(c, &Serial1); } else { unsigned char c = UDR1; }; @@ -163,7 +125,7 @@ inline void store_char(unsigned char c, ring_buffer *buffer) { if (bit_is_clear(UCSR2A, UPE2)) { unsigned char c = UDR2; - store_char(c, &rx_buffer2); + store_char(c, &Serial2); } else { unsigned char c = UDR2; }; @@ -178,7 +140,7 @@ inline void store_char(unsigned char c, ring_buffer *buffer) { if (bit_is_clear(UCSR3A, UPE3)) { unsigned char c = UDR3; - store_char(c, &rx_buffer3); + store_char(c, &Serial3); } else { unsigned char c = UDR3; }; @@ -218,7 +180,7 @@ ISR(USART0_UDRE_vect) ISR(USART_UDRE_vect) #endif { - if (tx_buffer.head == tx_buffer.tail) { + if (Serial._tx_buffer_head == Serial._tx_buffer_tail) { // Buffer empty, so disable interrupts #if defined(UCSR0B) cbi(UCSR0B, UDRIE0); @@ -228,8 +190,8 @@ ISR(USART_UDRE_vect) } else { // There is more data in the output buffer. Send the next byte - unsigned char c = tx_buffer.buffer[tx_buffer.tail]; - tx_buffer.tail = (tx_buffer.tail + 1) % SERIAL_BUFFER_SIZE; + unsigned char c = Serial._tx_buffer[Serial._tx_buffer_tail]; + Serial._tx_buffer_tail = (Serial._tx_buffer_tail + 1) % SERIAL_BUFFER_SIZE; #if defined(UDR0) UDR0 = c; @@ -246,14 +208,14 @@ ISR(USART_UDRE_vect) #ifdef USART1_UDRE_vect ISR(USART1_UDRE_vect) { - if (tx_buffer1.head == tx_buffer1.tail) { + if (Serial1._tx_buffer_head == Serial1._tx_buffer_tail) { // Buffer empty, so disable interrupts cbi(UCSR1B, UDRIE1); } else { // There is more data in the output buffer. Send the next byte - unsigned char c = tx_buffer1.buffer[tx_buffer1.tail]; - tx_buffer1.tail = (tx_buffer1.tail + 1) % SERIAL_BUFFER_SIZE; + unsigned char c = Serial1._tx_buffer[Serial1._tx_buffer_tail]; + Serial1._tx_buffer_tail = (Serial1._tx_buffer_tail + 1) % SERIAL_BUFFER_SIZE; UDR1 = c; } @@ -263,14 +225,14 @@ ISR(USART1_UDRE_vect) #ifdef USART2_UDRE_vect ISR(USART2_UDRE_vect) { - if (tx_buffer2.head == tx_buffer2.tail) { + if (Serial2._tx_buffer_head == Serial2._tx_buffer_tail) { // Buffer empty, so disable interrupts cbi(UCSR2B, UDRIE2); } else { // There is more data in the output buffer. Send the next byte - unsigned char c = tx_buffer2.buffer[tx_buffer2.tail]; - tx_buffer2.tail = (tx_buffer2.tail + 1) % SERIAL_BUFFER_SIZE; + unsigned char c = Serial2._tx_buffer[Serial2._tx_buffer_tail]; + Serial2._tx_buffer_tail = (Serial2._tx_buffer_tail + 1) % SERIAL_BUFFER_SIZE; UDR2 = c; } @@ -280,31 +242,30 @@ ISR(USART2_UDRE_vect) #ifdef USART3_UDRE_vect ISR(USART3_UDRE_vect) { - if (tx_buffer3.head == tx_buffer3.tail) { + if (Serial3._tx_buffer_head == Serial3._tx_buffer_tail) { // Buffer empty, so disable interrupts cbi(UCSR3B, UDRIE3); } else { // There is more data in the output buffer. Send the next byte - unsigned char c = tx_buffer3.buffer[tx_buffer3.tail]; - tx_buffer3.tail = (tx_buffer3.tail + 1) % SERIAL_BUFFER_SIZE; + unsigned char c = Serial3._tx_buffer[Serial3._tx_buffer_tail]; + Serial3._tx_buffer_tail = (Serial3._tx_buffer_tail + 1) % SERIAL_BUFFER_SIZE; UDR3 = c; } } #endif - // Constructors //////////////////////////////////////////////////////////////// -HardwareSerial::HardwareSerial(ring_buffer *rx_buffer, ring_buffer *tx_buffer, +HardwareSerial::HardwareSerial( volatile uint8_t *ubrrh, volatile uint8_t *ubrrl, volatile uint8_t *ucsra, volatile uint8_t *ucsrb, volatile uint8_t *ucsrc, volatile uint8_t *udr, uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udrie, uint8_t u2x) { - _rx_buffer = rx_buffer; - _tx_buffer = tx_buffer; + _tx_buffer_head = _tx_buffer_tail = 0; + _rx_buffer_head = _rx_buffer_tail = 0; _ubrrh = ubrrh; _ubrrl = ubrrl; _ucsra = ucsra; @@ -412,7 +373,7 @@ try_again: void HardwareSerial::end() { // wait for transmission of outgoing data - while (_tx_buffer->head != _tx_buffer->tail) + while (_tx_buffer_head != _tx_buffer_tail) ; cbi(*_ucsrb, _rxen); @@ -421,31 +382,31 @@ void HardwareSerial::end() cbi(*_ucsrb, _udrie); // clear any received data - _rx_buffer->head = _rx_buffer->tail; + _rx_buffer_head = _rx_buffer_tail; } int HardwareSerial::available(void) { - return (unsigned int)(SERIAL_BUFFER_SIZE + _rx_buffer->head - _rx_buffer->tail) % SERIAL_BUFFER_SIZE; + return (unsigned int)(SERIAL_BUFFER_SIZE + _rx_buffer_head - _rx_buffer_tail) % SERIAL_BUFFER_SIZE; } int HardwareSerial::peek(void) { - if (_rx_buffer->head == _rx_buffer->tail) { + if (_rx_buffer_head == _rx_buffer_tail) { return -1; } else { - return _rx_buffer->buffer[_rx_buffer->tail]; + return _rx_buffer[_rx_buffer_tail]; } } int HardwareSerial::read(void) { // if the head isn't ahead of the tail, we don't have any characters - if (_rx_buffer->head == _rx_buffer->tail) { + if (_rx_buffer_head == _rx_buffer_tail) { return -1; } else { - unsigned char c = _rx_buffer->buffer[_rx_buffer->tail]; - _rx_buffer->tail = (unsigned int)(_rx_buffer->tail + 1) % SERIAL_BUFFER_SIZE; + unsigned char c = _rx_buffer[_rx_buffer_tail]; + _rx_buffer_tail = (unsigned int)(_rx_buffer_tail + 1) % SERIAL_BUFFER_SIZE; return c; } } @@ -459,16 +420,16 @@ void HardwareSerial::flush() size_t HardwareSerial::write(uint8_t c) { - int i = (_tx_buffer->head + 1) % SERIAL_BUFFER_SIZE; + int i = (_tx_buffer_head + 1) % SERIAL_BUFFER_SIZE; // If the output buffer is full, there's nothing for it other than to // wait for the interrupt handler to empty it a bit // ???: return 0 here instead? - while (i == _tx_buffer->tail) + while (i == _tx_buffer_tail) ; - _tx_buffer->buffer[_tx_buffer->head] = c; - _tx_buffer->head = i; + _tx_buffer[_tx_buffer_head] = c; + _tx_buffer_head = i; sbi(*_ucsrb, _udrie); // clear the TXC bit -- "can be cleared by writing a one to its bit location" @@ -485,9 +446,9 @@ HardwareSerial::operator bool() { // Preinstantiate Objects ////////////////////////////////////////////////////// #if defined(UBRRH) && defined(UBRRL) - HardwareSerial Serial(&rx_buffer, &tx_buffer, &UBRRH, &UBRRL, &UCSRA, &UCSRB, &UCSRC, &UDR, RXEN, TXEN, RXCIE, UDRIE, U2X); + HardwareSerial Serial(&UBRRH, &UBRRL, &UCSRA, &UCSRB, &UCSRC, &UDR, RXEN, TXEN, RXCIE, UDRIE, U2X); #elif defined(UBRR0H) && defined(UBRR0L) - HardwareSerial Serial(&rx_buffer, &tx_buffer, &UBRR0H, &UBRR0L, &UCSR0A, &UCSR0B, &UCSR0C, &UDR0, RXEN0, TXEN0, RXCIE0, UDRIE0, U2X0); + HardwareSerial Serial(&UBRR0H, &UBRR0L, &UCSR0A, &UCSR0B, &UCSR0C, &UDR0, RXEN0, TXEN0, RXCIE0, UDRIE0, U2X0); #elif defined(USBCON) // do nothing - Serial object and buffers are initialized in CDC code #else @@ -495,13 +456,13 @@ HardwareSerial::operator bool() { #endif #if defined(UBRR1H) - HardwareSerial Serial1(&rx_buffer1, &tx_buffer1, &UBRR1H, &UBRR1L, &UCSR1A, &UCSR1B, &UCSR1C, &UDR1, RXEN1, TXEN1, RXCIE1, UDRIE1, U2X1); + HardwareSerial Serial1(&UBRR1H, &UBRR1L, &UCSR1A, &UCSR1B, &UCSR1C, &UDR1, RXEN1, TXEN1, RXCIE1, UDRIE1, U2X1); #endif #if defined(UBRR2H) - HardwareSerial Serial2(&rx_buffer2, &tx_buffer2, &UBRR2H, &UBRR2L, &UCSR2A, &UCSR2B, &UCSR2C, &UDR2, RXEN2, TXEN2, RXCIE2, UDRIE2, U2X2); + HardwareSerial Serial2(&UBRR2H, &UBRR2L, &UCSR2A, &UCSR2B, &UCSR2C, &UDR2, RXEN2, TXEN2, RXCIE2, UDRIE2, U2X2); #endif #if defined(UBRR3H) - HardwareSerial Serial3(&rx_buffer3, &tx_buffer3, &UBRR3H, &UBRR3L, &UCSR3A, &UCSR3B, &UCSR3C, &UDR3, RXEN3, TXEN3, RXCIE3, UDRIE3, U2X3); + HardwareSerial Serial3(&UBRR3H, &UBRR3L, &UCSR3A, &UCSR3B, &UCSR3C, &UDR3, RXEN3, TXEN3, RXCIE3, UDRIE3, U2X3); #endif #endif // whole file diff --git a/cores/arduino/HardwareSerial.h b/cores/arduino/HardwareSerial.h index a73117f..0f62262 100644 --- a/cores/arduino/HardwareSerial.h +++ b/cores/arduino/HardwareSerial.h @@ -27,13 +27,19 @@ #include "Stream.h" -struct ring_buffer; +// Define constants and variables for buffering incoming serial data. We're +// using a ring buffer (I think), in which head is the index of the location +// to which to write the next incoming character and tail is the index of the +// location from which to read. +#if (RAMEND < 1000) + #define SERIAL_BUFFER_SIZE 16 +#else + #define SERIAL_BUFFER_SIZE 64 +#endif class HardwareSerial : public Stream { - private: - ring_buffer *_rx_buffer; - ring_buffer *_tx_buffer; + protected: volatile uint8_t *_ubrrh; volatile uint8_t *_ubrrl; volatile uint8_t *_ucsra; @@ -46,8 +52,20 @@ class HardwareSerial : public Stream uint8_t _udrie; uint8_t _u2x; bool transmitting; + public: - HardwareSerial(ring_buffer *rx_buffer, ring_buffer *tx_buffer, + volatile uint8_t _rx_buffer_head; + volatile uint8_t _rx_buffer_tail; + volatile uint8_t _tx_buffer_head; + volatile uint8_t _tx_buffer_tail; + + // Don't put any members after these buffers, since only the first + // 32 bytes of this struct can be accessed quickly using the ldd + // instruction. + unsigned char _rx_buffer[SERIAL_BUFFER_SIZE]; + unsigned char _tx_buffer[SERIAL_BUFFER_SIZE]; + + HardwareSerial( volatile uint8_t *ubrrh, volatile uint8_t *ubrrl, volatile uint8_t *ucsra, volatile uint8_t *ucsrb, volatile uint8_t *ucsrc, volatile uint8_t *udr, diff --git a/cores/arduino/IPAddress.h b/cores/arduino/IPAddress.h index 2585aec..078ac97 100644 --- a/cores/arduino/IPAddress.h +++ b/cores/arduino/IPAddress.h @@ -26,6 +26,7 @@ #ifndef IPAddress_h #define IPAddress_h +#include <stdint.h> #include <Printable.h> // A class to make it easier to handle and pass around IP addresses diff --git a/cores/arduino/Print.cpp b/cores/arduino/Print.cpp index 53961ec..53961ec 100755..100644 --- a/cores/arduino/Print.cpp +++ b/cores/arduino/Print.cpp diff --git a/cores/arduino/Print.h b/cores/arduino/Print.h index dc76150..dc76150 100755..100644 --- a/cores/arduino/Print.h +++ b/cores/arduino/Print.h diff --git a/cores/arduino/Tone.cpp b/cores/arduino/Tone.cpp index 9bb6fe7..9bb6fe7 100755..100644 --- a/cores/arduino/Tone.cpp +++ b/cores/arduino/Tone.cpp diff --git a/cores/arduino/USBAPI.h b/cores/arduino/USBAPI.h index 7a14285..da2e869 100644 --- a/cores/arduino/USBAPI.h +++ b/cores/arduino/USBAPI.h @@ -25,10 +25,16 @@ extern USBDevice_ USBDevice; //================================================================================ // Serial over CDC (Serial1 is the physical port) +struct ring_buffer; + +#if (RAMEND < 1000) +#define SERIAL_BUFFER_SIZE 16 +#else +#define SERIAL_BUFFER_SIZE 64 +#endif + class Serial_ : public Stream { -private: - ring_buffer *_cdc_rx_buffer; public: void begin(unsigned long); void begin(unsigned long, uint8_t); @@ -42,6 +48,10 @@ public: virtual size_t write(uint8_t); using Print::write; // pull in write(str) and write(buf, size) from Print operator bool(); + + volatile uint8_t _rx_buffer_head; + volatile uint8_t _rx_buffer_tail; + unsigned char _rx_buffer[SERIAL_BUFFER_SIZE]; }; extern Serial_ Serial; diff --git a/cores/arduino/USBCore.cpp b/cores/arduino/USBCore.cpp index d3e0170..c46c75f 100644 --- a/cores/arduino/USBCore.cpp +++ b/cores/arduino/USBCore.cpp @@ -39,8 +39,8 @@ volatile u8 RxLEDPulse; /**< Milliseconds remaining for data Rx LED pulse */ //================================================================== extern const u16 STRING_LANGUAGE[] PROGMEM; -extern const u16 STRING_IPRODUCT[] PROGMEM; -extern const u16 STRING_IMANUFACTURER[] PROGMEM; +extern const u8 STRING_PRODUCT[] PROGMEM; +extern const u8 STRING_MANUFACTURER[] PROGMEM; extern const DeviceDescriptor USB_DeviceDescriptor PROGMEM; extern const DeviceDescriptor USB_DeviceDescriptorA PROGMEM; @@ -49,31 +49,24 @@ const u16 STRING_LANGUAGE[2] = { 0x0409 // English }; -const u16 STRING_IPRODUCT[17] = { - (3<<8) | (2+2*16), -#if USB_PID == 0x8036 - 'A','r','d','u','i','n','o',' ','L','e','o','n','a','r','d','o' -#elif USB_PID == 0x8037 - 'A','r','d','u','i','n','o',' ','M','i','c','r','o',' ',' ',' ' -#elif USB_PID == 0x803C - 'A','r','d','u','i','n','o',' ','E','s','p','l','o','r','a',' ' -#elif USB_PID == 0x9208 - 'L','i','l','y','P','a','d','U','S','B',' ',' ',' ',' ',' ',' ' -#else - 'U','S','B',' ','I','O',' ','B','o','a','r','d',' ',' ',' ',' ' +#ifndef USB_PRODUCT +// If no product is provided, use USB IO Board +#define USB_PRODUCT "USB IO Board" #endif -}; -const u16 STRING_IMANUFACTURER[12] = { - (3<<8) | (2+2*11), +const u8 STRING_PRODUCT[] PROGMEM = USB_PRODUCT; + #if USB_VID == 0x2341 - 'A','r','d','u','i','n','o',' ','L','L','C' +#define USB_MANUFACTURER "Arduino LLC" #elif USB_VID == 0x1b4f - 'S','p','a','r','k','F','u','n',' ',' ',' ' -#else - 'U','n','k','n','o','w','n',' ',' ',' ',' ' +#define USB_MANUFACTURER "SparkFun" +#elif !defined(USB_MANUFACTURER) +// Fall through to unknown if no manufacturer name was provided in a macro +#define USB_MANUFACTURER "Unknown" #endif -}; + +const u8 STRING_MANUFACTURER[] PROGMEM = USB_MANUFACTURER; + #ifdef CDC_ENABLED #define DEVICE_CLASS 0x02 @@ -416,6 +409,22 @@ int USB_SendControl(u8 flags, const void* d, int len) return sent; } +// 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) { + SendControl(2 + string_len * 2); + SendControl(3); + for(u8 i = 0; i < string_len; i++) { + bool r = SendControl(pgm_read_byte(&string_P[i])); + r &= SendControl(0); // high byte + if(!r) { + return false; + } + } + return true; +} + // Does not timeout or cross fifo boundaries // Will only work for transfers <= 64 bytes // TODO @@ -476,7 +485,6 @@ bool SendDescriptor(Setup& setup) return HID_GetDescriptor(t); #endif - u8 desc_length = 0; const u8* desc_addr = 0; if (USB_DEVICE_DESCRIPTOR_TYPE == t) { @@ -486,20 +494,22 @@ bool SendDescriptor(Setup& setup) } else if (USB_STRING_DESCRIPTOR_TYPE == t) { - if (setup.wValueL == 0) + if (setup.wValueL == 0) { desc_addr = (const u8*)&STRING_LANGUAGE; - else if (setup.wValueL == IPRODUCT) - desc_addr = (const u8*)&STRING_IPRODUCT; - else if (setup.wValueL == IMANUFACTURER) - desc_addr = (const u8*)&STRING_IMANUFACTURER; + } + else if (setup.wValueL == IPRODUCT) { + return USB_SendStringDescriptor(STRING_PRODUCT, strlen(USB_PRODUCT)); + } + else if (setup.wValueL == IMANUFACTURER) { + return USB_SendStringDescriptor(STRING_MANUFACTURER, strlen(USB_MANUFACTURER)); + } else return false; } if (desc_addr == 0) return false; - if (desc_length == 0) - desc_length = pgm_read_byte(desc_addr); + u8 desc_length = pgm_read_byte(desc_addr); USB_SendControl(TRANSFER_PGM,desc_addr,desc_length); return true; diff --git a/cores/arduino/WString.cpp b/cores/arduino/WString.cpp index e19f543..63af6d3 100644 --- a/cores/arduino/WString.cpp +++ b/cores/arduino/WString.cpp @@ -38,6 +38,12 @@ String::String(const String &value) *this = value; } +String::String(const __FlashStringHelper *pstr) +{ + init(); + *this = pstr; +} + #ifdef __GXX_EXPERIMENTAL_CXX0X__ String::String(String &&rval) { @@ -100,19 +106,20 @@ String::String(unsigned long value, unsigned char base) *this = buf; } -String::String(float value, int decimalPlaces) +String::String(float value, unsigned char decimalPlaces) { init(); char buf[33]; *this = dtostrf(value, (decimalPlaces + 2), decimalPlaces, buf); } -String::String(double value, int decimalPlaces) +String::String(double value, unsigned char decimalPlaces) { init(); char buf[33]; *this = dtostrf(value, (decimalPlaces + 2), decimalPlaces, buf); } + String::~String() { free(buffer); @@ -127,7 +134,6 @@ inline void String::init(void) buffer = NULL; capacity = 0; len = 0; - flags = 0; } void String::invalidate(void) @@ -173,6 +179,17 @@ String & String::copy(const char *cstr, unsigned int length) return *this; } +String & String::copy(const __FlashStringHelper *pstr, unsigned int length) +{ + if (!reserve(length)) { + invalidate(); + return *this; + } + len = length; + strcpy_P(buffer, (const prog_char *)pstr); + return *this; +} + #ifdef __GXX_EXPERIMENTAL_CXX0X__ void String::move(String &rhs) { @@ -227,6 +244,14 @@ String & String::operator = (const char *cstr) return *this; } +String & String::operator = (const __FlashStringHelper *pstr) +{ + if (pstr) copy(pstr, strlen_P((const prog_char *)pstr)); + else invalidate(); + + return *this; +} + /*********************************************/ /* concat */ /*********************************************/ @@ -270,14 +295,14 @@ unsigned char String::concat(unsigned char num) unsigned char String::concat(int num) { - char buf[7]; + char buf[12]; itoa(num, buf, 10); return concat(buf, strlen(buf)); } unsigned char String::concat(unsigned int num) { - char buf[6]; + char buf[11]; utoa(num, buf, 10); return concat(buf, strlen(buf)); } @@ -299,17 +324,29 @@ unsigned char String::concat(unsigned long num) unsigned char String::concat(float num) { char buf[20]; - char* string = dtostrf(num, 8, 6, buf); + char* string = dtostrf(num, 4, 2, buf); return concat(string, strlen(string)); } unsigned char String::concat(double num) { char buf[20]; - char* string = dtostrf(num, 8, 6, buf); + char* string = dtostrf(num, 4, 2, buf); return concat(string, strlen(string)); } +unsigned char String::concat(const __FlashStringHelper * str) +{ + if (!str) return 0; + int length = strlen_P((const char *) str); + if (length == 0) return 1; + unsigned int newlen = len + length; + if (!reserve(newlen)) return 0; + strcpy_P(buffer + len, (const char *) str); + len = newlen; + return 1; +} + /*********************************************/ /* Concatenate */ /*********************************************/ @@ -383,6 +420,14 @@ StringSumHelper & operator + (const StringSumHelper &lhs, double num) if (!a.concat(num)) a.invalidate(); return a; } + +StringSumHelper & operator + (const StringSumHelper &lhs, const __FlashStringHelper *rhs) +{ + StringSumHelper &a = const_cast<StringSumHelper&>(lhs); + if (!a.concat(rhs)) a.invalidate(); + return a; +} + /*********************************************/ /* Comparison */ /*********************************************/ @@ -567,11 +612,6 @@ int String::lastIndexOf(const String &s2, unsigned int fromIndex) const return found; } -String String::substring( unsigned int left ) const -{ - return substring(left, len); -} - String String::substring(unsigned int left, unsigned int right) const { if (left > right) { @@ -698,7 +738,6 @@ long String::toInt(void) const return 0; } - float String::toFloat(void) const { if (buffer) return float(atof(buffer)); diff --git a/cores/arduino/WString.h b/cores/arduino/WString.h index 2d372c5..7402430 100644 --- a/cores/arduino/WString.h +++ b/cores/arduino/WString.h @@ -58,6 +58,7 @@ public: // be false). String(const char *cstr = ""); String(const String &str); + String(const __FlashStringHelper *str); #ifdef __GXX_EXPERIMENTAL_CXX0X__ String(String &&rval); String(StringSumHelper &&rval); @@ -68,8 +69,8 @@ public: explicit String(unsigned int, unsigned char base=10); explicit String(long, unsigned char base=10); explicit String(unsigned long, unsigned char base=10); - explicit String(float, int decimalPlaces=6); - explicit String(double, int decimalPlaces=6); + explicit String(float, unsigned char decimalPlaces=2); + explicit String(double, unsigned char decimalPlaces=2); ~String(void); // memory management @@ -84,6 +85,7 @@ public: // marked as invalid ("if (s)" will be false). String & operator = (const String &rhs); String & operator = (const char *cstr); + String & operator = (const __FlashStringHelper *str); #ifdef __GXX_EXPERIMENTAL_CXX0X__ String & operator = (String &&rval); String & operator = (StringSumHelper &&rval); @@ -104,6 +106,7 @@ public: unsigned char concat(unsigned long num); unsigned char concat(float num); unsigned char concat(double num); + unsigned char concat(const __FlashStringHelper * str); // if there's not enough memory for the concatenated value, the string // will be left unchanged (but this isn't signalled in any way) @@ -115,6 +118,9 @@ public: String & operator += (unsigned int num) {concat(num); return (*this);} String & operator += (long num) {concat(num); return (*this);} String & operator += (unsigned long num) {concat(num); return (*this);} + String & operator += (float num) {concat(num); return (*this);} + String & operator += (double num) {concat(num); return (*this);} + String & operator += (const __FlashStringHelper *str){concat(str); return (*this);} friend StringSumHelper & operator + (const StringSumHelper &lhs, const String &rhs); friend StringSumHelper & operator + (const StringSumHelper &lhs, const char *cstr); @@ -126,6 +132,7 @@ public: friend StringSumHelper & operator + (const StringSumHelper &lhs, unsigned long num); friend StringSumHelper & operator + (const StringSumHelper &lhs, float num); friend StringSumHelper & operator + (const StringSumHelper &lhs, double num); + friend StringSumHelper & operator + (const StringSumHelper &lhs, const __FlashStringHelper *rhs); // comparison (only works w/ Strings and "strings") operator StringIfHelperType() const { return buffer ? &String::StringIfHelper : 0; } @@ -164,7 +171,7 @@ public: int lastIndexOf( char ch, unsigned int fromIndex ) const; int lastIndexOf( const String &str ) const; int lastIndexOf( const String &str, unsigned int fromIndex ) const; - String substring( unsigned int beginIndex ) const; + String substring( unsigned int beginIndex ) const { return substring(beginIndex, len); }; String substring( unsigned int beginIndex, unsigned int endIndex ) const; // modification @@ -184,7 +191,6 @@ protected: char *buffer; // the actual char array unsigned int capacity; // the array length minus one (for the '\0') unsigned int len; // the String length (not counting the '\0') - unsigned char flags; // unused, for future features protected: void init(void); void invalidate(void); @@ -193,6 +199,7 @@ protected: // copy and move String & copy(const char *cstr, unsigned int length); + String & copy(const __FlashStringHelper *pstr, unsigned int length); #ifdef __GXX_EXPERIMENTAL_CXX0X__ void move(String &rhs); #endif @@ -209,6 +216,8 @@ public: StringSumHelper(unsigned int num) : String(num) {} StringSumHelper(long num) : String(num) {} StringSumHelper(unsigned long num) : String(num) {} + StringSumHelper(float num) : String(num) {} + StringSumHelper(double num) : String(num) {} }; #endif // __cplusplus diff --git a/cores/arduino/hooks.c b/cores/arduino/hooks.c new file mode 100644 index 0000000..641eabc --- /dev/null +++ b/cores/arduino/hooks.c @@ -0,0 +1,31 @@ +/* + 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 +*/ + +/** + * Empty yield() hook. + * + * This function is intended to be used by library writers to build + * libraries or sketches that supports cooperative threads. + * + * Its defined as a weak symbol and it can be redefined to implement a + * real cooperative scheduler. + */ +static void __empty() { + // Empty +} +void yield(void) __attribute__ ((weak, alias("__empty"))); diff --git a/cores/arduino/wiring.c b/cores/arduino/wiring.c index a3c4390..5cbe241 100644 --- a/cores/arduino/wiring.c +++ b/cores/arduino/wiring.c @@ -111,6 +111,7 @@ void delay(unsigned long ms) uint16_t start = (uint16_t)micros(); while (ms > 0) { + yield(); if (((uint16_t)micros() - start) >= 1000) { ms--; start += 1000; diff --git a/cores/arduino/wiring_private.h b/cores/arduino/wiring_private.h index c366005..c366005 100755..100644 --- a/cores/arduino/wiring_private.h +++ b/cores/arduino/wiring_private.h diff --git a/cores/arduino/wiring_pulse.c b/cores/arduino/wiring_pulse.c index 0d96886..0d96886 100755..100644 --- a/cores/arduino/wiring_pulse.c +++ b/cores/arduino/wiring_pulse.c diff --git a/cores/arduino/wiring_shift.c b/cores/arduino/wiring_shift.c index cfe7867..cfe7867 100755..100644 --- a/cores/arduino/wiring_shift.c +++ b/cores/arduino/wiring_shift.c |