diff options
Diffstat (limited to 'cores/arduino/HardwareSerial.h')
| -rw-r--r-- | cores/arduino/HardwareSerial.h | 95 |
1 files changed, 48 insertions, 47 deletions
diff --git a/cores/arduino/HardwareSerial.h b/cores/arduino/HardwareSerial.h index 0f62262..226bf57 100644 --- a/cores/arduino/HardwareSerial.h +++ b/cores/arduino/HardwareSerial.h @@ -18,6 +18,7 @@ Modified 28 September 2010 by Mark Sproul Modified 14 August 2012 by Alarus + Modified 3 December 2013 by Matthijs Kooijman */ #ifndef HardwareSerial_h @@ -37,23 +38,44 @@ #define SERIAL_BUFFER_SIZE 64 #endif +// Define config for Serial.begin(baud, config); +#define SERIAL_5N1 0x00 +#define SERIAL_6N1 0x02 +#define SERIAL_7N1 0x04 +#define SERIAL_8N1 0x06 +#define SERIAL_5N2 0x08 +#define SERIAL_6N2 0x0A +#define SERIAL_7N2 0x0C +#define SERIAL_8N2 0x0E +#define SERIAL_5E1 0x20 +#define SERIAL_6E1 0x22 +#define SERIAL_7E1 0x24 +#define SERIAL_8E1 0x26 +#define SERIAL_5E2 0x28 +#define SERIAL_6E2 0x2A +#define SERIAL_7E2 0x2C +#define SERIAL_8E2 0x2E +#define SERIAL_5O1 0x30 +#define SERIAL_6O1 0x32 +#define SERIAL_7O1 0x34 +#define SERIAL_8O1 0x36 +#define SERIAL_5O2 0x38 +#define SERIAL_6O2 0x3A +#define SERIAL_7O2 0x3C +#define SERIAL_8O2 0x3E + class HardwareSerial : public Stream { protected: - 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; - bool transmitting; + volatile uint8_t * const _ubrrh; + volatile uint8_t * const _ubrrl; + volatile uint8_t * const _ucsra; + volatile uint8_t * const _ucsrb; + volatile uint8_t * const _ucsrc; + volatile uint8_t * const _udr; + // Has any byte been written to the UART since begin() + bool _written; - public: volatile uint8_t _rx_buffer_head; volatile uint8_t _rx_buffer_tail; volatile uint8_t _tx_buffer_head; @@ -65,12 +87,12 @@ class HardwareSerial : public Stream unsigned char _rx_buffer[SERIAL_BUFFER_SIZE]; unsigned char _tx_buffer[SERIAL_BUFFER_SIZE]; - HardwareSerial( + public: + inline 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); - void begin(unsigned long); + volatile uint8_t *ucsrc, volatile uint8_t *udr); + void begin(unsigned long baud) { begin(baud, SERIAL_8N1); } void begin(unsigned long, uint8_t); void end(); virtual int available(void); @@ -83,49 +105,28 @@ class HardwareSerial : public Stream inline size_t write(unsigned int n) { return write((uint8_t)n); } inline size_t write(int n) { return write((uint8_t)n); } using Print::write; // pull in write(str) and write(buf, size) from Print - operator bool(); -}; + operator bool() { return true; } -// Define config for Serial.begin(baud, config); -#define SERIAL_5N1 0x00 -#define SERIAL_6N1 0x02 -#define SERIAL_7N1 0x04 -#define SERIAL_8N1 0x06 -#define SERIAL_5N2 0x08 -#define SERIAL_6N2 0x0A -#define SERIAL_7N2 0x0C -#define SERIAL_8N2 0x0E -#define SERIAL_5E1 0x20 -#define SERIAL_6E1 0x22 -#define SERIAL_7E1 0x24 -#define SERIAL_8E1 0x26 -#define SERIAL_5E2 0x28 -#define SERIAL_6E2 0x2A -#define SERIAL_7E2 0x2C -#define SERIAL_8E2 0x2E -#define SERIAL_5O1 0x30 -#define SERIAL_6O1 0x32 -#define SERIAL_7O1 0x34 -#define SERIAL_8O1 0x36 -#define SERIAL_5O2 0x38 -#define SERIAL_6O2 0x3A -#define SERIAL_7O2 0x3C -#define SERIAL_8O2 0x3E + // Interrupt handlers - Not intended to be called externally + inline void _rx_complete_irq(void); + void _tx_udr_empty_irq(void); +}; #if defined(UBRRH) || defined(UBRR0H) extern HardwareSerial Serial; -#elif defined(USBCON) - #include "USBAPI.h" -// extern HardwareSerial Serial_; + #define HAVE_HWSERIAL0 #endif #if defined(UBRR1H) extern HardwareSerial Serial1; + #define HAVE_HWSERIAL1 #endif #if defined(UBRR2H) extern HardwareSerial Serial2; + #define HAVE_HWSERIAL2 #endif #if defined(UBRR3H) extern HardwareSerial Serial3; + #define HAVE_HWSERIAL3 #endif extern void serialEventRun(void) __attribute__((weak)); |