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Diffstat (limited to 'libraries/GSM/GSM3SoftSerial.h')
| -rw-r--r-- | libraries/GSM/GSM3SoftSerial.h | 174 |
1 files changed, 174 insertions, 0 deletions
diff --git a/libraries/GSM/GSM3SoftSerial.h b/libraries/GSM/GSM3SoftSerial.h new file mode 100644 index 0000000..c35ef68 --- /dev/null +++ b/libraries/GSM/GSM3SoftSerial.h @@ -0,0 +1,174 @@ +/*
+This file is part of the GSM3 communications library for Arduino
+-- Multi-transport communications platform
+-- Fully asynchronous
+-- Includes code for the Arduino-Telefonica GSM/GPRS Shield V1
+-- Voice calls
+-- SMS
+-- TCP/IP connections
+-- HTTP basic clients
+
+This library has been developed by Telefónica Digital - PDI -
+- Physical Internet Lab, as part as its collaboration with
+Arduino and the Open Hardware Community.
+
+September-December 2012
+
+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
+
+The latest version of this library can always be found at
+https://github.com/BlueVia/Official-Arduino
+*/
+#ifndef __GSM3_SOFTSERIAL__
+#define __GSM3_SOFTSERIAL__
+
+// An adaptation of NewSoftSerial for Modem Shields
+// Assumes directly that Serial is attached to Pins 2 and 3, not inverse
+// We are implementing it because NewSoftSerial does not deal correctly with floods
+// of data
+#include "GSM3CircularBuffer.h"
+#include <avr/pgmspace.h>
+
+/*
+#define _COMSTATUS_ANSWERRECEIVED_ 0x100
+#define _COMSTATUS_SMSRECEIVED_ 0x80
+#define _COMSTATUS_CALLRECEIVED_ 0x40
+
+// PLEASE, when accessing the sockets use "for" and >> (bitwise operator)
+#define _COMSTATUS_SOCKET6RECEIVED_ 0x20
+#define _COMSTATUS_SOCKET5RECEIVED_ 0x10
+#define _COMSTATUS_SOCKET4RECEIVED_ 0x08
+#define _COMSTATUS_SOCKET3RECEIVED_ 0x04
+#define _COMSTATUS_SOCKET2RECEIVED_ 0x02
+#define _COMSTATUS_SOCKET1RECEIVED_ 0x01
+
+#define __CALLTABLEMASK__ 0x3
+*/
+
+class GSM3SoftSerialMgr
+{
+ public:
+
+ /** Manages soft serial message
+ @param from Initial byte
+ @param to Final byte
+ */
+ virtual void manageMsg(byte from, byte to);
+};
+
+// This class manages software serial communications
+// Changing it so it doesn't know about modems or whatever
+
+class GSM3SoftSerial : public GSM3CircularBufferManager
+{
+ private:
+
+ uint8_t _receiveBitMask;
+ volatile uint8_t *_receivePortRegister;
+ uint8_t _transmitBitMask;
+ volatile uint8_t *_transmitPortRegister;
+
+ static GSM3SoftSerial* _activeObject;
+ GSM3SoftSerialMgr* mgr;
+
+ uint16_t _rx_delay_centering;
+ uint16_t _rx_delay_intrabit;
+ uint16_t _rx_delay_stopbit;
+ uint16_t _tx_delay;
+ uint8_t _flags;
+
+ /** Write in tx_pin
+ @param pin_state Pin state
+ */
+ void tx_pin_write(uint8_t pin_state);
+
+ /** Set transmission
+ */
+ void setTX();
+
+ /** Set receiver
+ */
+ void setRX();
+
+ /** Receive
+ */
+ void recv();
+
+ /** Read from rx_pin
+ @return receive bit mask
+ */
+ uint8_t rx_pin_read();
+
+ void setComsReceived();
+
+ /** Write a character in serial connection, final action after escaping
+ @param c Character
+ @return 1 if succesful, 0 if transmission delay = 0
+ */
+ virtual size_t finalWrite(uint8_t);
+
+ /** Decide, attending to escapes, if the received character should we
+ kept, forgotten, or changed
+ @param c Character, may be changed
+ @return 1 if shall be kept, 0 if forgotten
+ */
+ bool keepThisChar(uint8_t* c);
+
+ // Checks the buffer for well-known events.
+ //bool recognizeUnsolicitedEvent(byte oldTail);
+
+ public:
+
+ /** Tuned delay in microcontroller
+ @param delay Time to delay
+ */
+ static /*inline */void tunedDelay(uint16_t delay);
+
+ GSM3CircularBuffer cb; // Circular buffer
+
+ /** Register serial manager
+ @param manager Serial manager
+ */
+ inline void registerMgr(GSM3SoftSerialMgr* manager){mgr=manager;};
+
+ /** If there is spaceAvailable in the buffer, lets send a XON
+ */
+ void spaceAvailable();
+
+ /** Write a character in serial connection
+ @param c Character
+ @return 1 if succesful, 0 if transmission delay = 0
+ */
+ virtual size_t write(uint8_t);
+
+ /** Constructor */
+ GSM3SoftSerial();
+
+ /** Establish serial connection
+ @param speed Baudrate
+ @return
+ */
+ int begin(long speed);
+
+ /** Manage interruptions
+ */
+ static inline void handle_interrupt();
+
+ /** Close serial connection
+ */
+ void close();
+};
+
+#endif
\ No newline at end of file |