Revision 4:3994cd534bd5, committed 2015-07-27

Comitter:

jksoft

Date:

Mon Jul 27 11:43:18 2015 +0000

Parent:

3:1f278004a3c7

Commit message:

rev0

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SoftSerialSendOnly/SoftSerialSendOnry.cpp	Mon Jul 27 11:43:18 2015 +0000
@@ -0,0 +1,36 @@
+#include "SoftSerialSendOnry.h"
+
+SoftSerialSendOnry::SoftSerialSendOnry(PinName TX, const char* name) {
+    tx_en = false;
+    if (TX != NC) {
+        tx = new DigitalOut(TX);
+        tx_en = true;
+        tx->write(1);
+        tx_bit = -1;
+        txticker.attach(this, &SoftSerialSendOnry::tx_handler);
+    }
+    
+    baud(9600);
+    format();
+}
+
+SoftSerialSendOnry::~SoftSerialSendOnry() {
+    if (tx_en)
+        delete(tx);
+}
+
+void SoftSerialSendOnry::baud(int baudrate) {
+    bit_period = 1000000 / baudrate;
+}
+
+void SoftSerialSendOnry::format(int bits, Parity parity, int stop_bits) {
+    _bits = bits;
+    _parity = parity;
+    _stop_bits = stop_bits;
+    _total_bits = 1 + _bits + _stop_bits + (bool)_parity;
+}
+
+int SoftSerialSendOnry::_getc()
+{
+    return(0);    
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SoftSerialSendOnly/SoftSerialSendOnry.h	Mon Jul 27 11:43:18 2015 +0000
@@ -0,0 +1,105 @@
+#ifndef SOFTSERIAL_SEND_ONRY_H
+#define SOFTSERIAL_SEND_ONRY_H
+
+#include "mbed.h"
+#include "SoftSerial_Ticker.h"
+/** A software serial implementation
+ *
+ */
+class SoftSerialSendOnry: public Stream {
+
+public:
+    /**
+    * Constructor
+    *
+    * @param TX Name of the TX pin, NC for not connected
+    * @param name Name of the connection
+    */
+    SoftSerialSendOnry(PinName TX, const char* name = NULL);
+    virtual ~SoftSerialSendOnry();
+    
+    /** Set the baud rate of the serial port
+     *
+     *  @param baudrate The baudrate of the serial port (default = 9600).
+     */
+    void baud(int baudrate);
+
+    enum Parity {
+        None = 0,
+        Odd,
+        Even,
+        Forced1,
+        Forced0
+    };
+
+    enum IrqType {
+        RxIrq = 0,
+        TxIrq
+    };
+
+    /** Set the transmission format used by the serial port
+     *
+     *  @param bits The number of bits in a word (default = 8)
+     *  @param parity The parity used (SerialBase::None, SerialBase::Odd, SerialBase::Even, SerialBase::Forced1, SerialBase::Forced0; default = SerialBase::None)
+     *  @param stop The number of stop bits (default = 1)
+     */
+    void format(int bits=8, Parity parity=SoftSerialSendOnry::None, int stop_bits=1);
+
+    /** Determine if there is space available to write a character
+     *
+     *  @returns
+     *    1 if there is space to write a character,
+     *    0 otherwise
+     */
+    int writeable();
+
+    /** Attach a function to call whenever a serial interrupt is generated
+     *
+     *  @param fptr A pointer to a void function, or 0 to set as none
+     *  @param type Which serial interrupt to attach the member function to (Seriall::RxIrq for receive, TxIrq for transmit buffer empty)
+     */
+    void attach(void (*fptr)(void), IrqType type=RxIrq) {
+        fpointer[type].attach(fptr);
+    }
+
+    /** Attach a member function to call whenever a serial interrupt is generated
+     *
+     *  @param tptr pointer to the object to call the member function on
+     *  @param mptr pointer to the member function to be called
+     *  @param type Which serial interrupt to attach the member function to (Seriall::RxIrq for receive, TxIrq for transmit buffer empty)
+     */
+    template<typename T>
+    void attach(T* tptr, void (T::*mptr)(void), IrqType type=RxIrq) {
+        fpointer[type].attach(tptr, mptr);
+    }
+
+    /** Generate a break condition on the serial line
+     */
+    void send_break();
+
+protected:
+    DigitalOut *tx;
+    
+    bool tx_en;
+    int bit_period;
+    int _bits, _stop_bits, _total_bits;
+    Parity _parity;
+    
+    FunctionPointer fpointer[2];
+    
+    //tx
+    void tx_handler(void);
+    void prepare_tx(int c);
+    FlexTicker txticker;
+    int _char;
+    volatile int tx_bit;
+    
+    
+    
+    virtual int _getc();
+    virtual int _putc(int c);
+};
+
+
+#endif
+

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SoftSerialSendOnly/SoftSerialSendOnry_tx.cpp	Mon Jul 27 11:43:18 2015 +0000
@@ -0,0 +1,80 @@
+#include "SoftSerialSendOnry.h"
+
+int SoftSerialSendOnry::_putc(int c)
+{
+    while(!writeable());
+    prepare_tx(c);
+    tx_bit = 0;
+    txticker.prime();
+    tx_handler();
+    return 0;
+}
+
+void SoftSerialSendOnry::send_break(void) {
+    while(!writeable());
+    tx_bit = 0;         //Just to make sure it appears as non-writable to other threads/IRQs
+    tx->write(0);
+    wait_us((bit_period * _total_bits * 3) / 2);
+    tx->write(1);
+    tx_bit = -1;
+}
+
+int SoftSerialSendOnry::writeable(void)
+{
+    if (!tx_en)
+        return false;
+    if (tx_bit == -1)
+        return true;
+    return false;
+}
+
+void SoftSerialSendOnry::tx_handler(void)
+{
+    if (tx_bit == _total_bits) {
+        tx_bit = -1;
+        fpointer[TxIrq].call();
+        return;
+    }
+
+    //Flip output
+    int cur_out = tx->read();
+    tx->write(!cur_out);
+
+    //Calculate when to do it again
+    int count = bit_period;
+    tx_bit++;
+    while(((_char >> tx_bit) & 0x01) == !cur_out) {
+        count+=bit_period;
+        tx_bit++;
+    }
+
+    txticker.setNext(count);
+}
+
+void SoftSerialSendOnry::prepare_tx(int c)
+{
+    _char = c << 1;
+
+    bool parity;
+    switch (_parity) {
+        case Forced1:
+            _char |= 1 << (_bits + 1);
+        case Even:
+            parity = false;
+            for (int i = 0; i<_bits; i++) {
+                if (((_char >> i) & 0x01) == 1)
+                    parity = !parity;
+            }
+            _char |= parity << (_bits + 1);
+        case Odd:
+            parity = true;
+            for (int i = 0; i<_bits; i++) {
+                if (((_char >> i) & 0x01) == 1)
+                    parity = !parity;
+            }
+            _char |= parity << (_bits + 1);
+    }
+    
+    _char |= 0xFFFF << (1 + _bits + (bool)_parity);
+    _char &= ~(1<<_total_bits);
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SoftSerialSendOnly/SoftSerial_Ticker.h	Mon Jul 27 11:43:18 2015 +0000
@@ -0,0 +1,38 @@
+//A modified version of the regular ticker/timeout libraries to allow us to do timeout without losing accuracy
+
+#ifndef FLEXTICKER_H
+#define FLEXTICKER_H
+
+#include "mbed.h"
+
+class FlexTicker: public TimerEvent {
+    public:
+    template<typename T>
+    void attach(T* tptr, void (T::*mptr)(void)) {
+        _function.attach(tptr, mptr);
+    }
+ 
+    /** Detach the function
+     */
+    void detach() {
+        remove();
+    }
+    
+    void setNext(int delay) {
+        insert(event.timestamp + delay);
+    }
+    
+    void prime(void) {
+        event.timestamp = us_ticker_read();
+    }
+ 
+protected:
+    virtual void handler() {
+        _function.call();
+    }
+ 
+    unsigned int _delay;
+    FunctionPointer _function;
+};
+
+#endif
\ No newline at end of file

--- a/main.cpp	Tue Jul 14 21:48:01 2015 +0000
+++ b/main.cpp	Mon Jul 27 11:43:18 2015 +0000
@@ -2,28 +2,22 @@
 #include "ESP8266Interface.h"
 #include "TCPSocketConnection.h"
 #include "ifttt.h"
+#include "SoftSerialSendOnry.h"
 
-ESP8266Interface wifi(D1,D0,D2,"ssid","passkey",115200); // TX,RX,Reset,SSID,Password,Baud
-RawSerial pc(USBTX, USBRX); // tx, rx
+ESP8266Interface wifi(dp16,dp15,dp4,"SSID","Password",115200); // TX,RX,Reset,SSID,Password,Baud
+SoftSerialSendOnry pc(dp10); // tx
 
 int main()
 {
     pc.baud(9600);
     wifi.init(); //Reset
     wifi.connect(); //Use DHCP
-    printf("IP Address is %s \n\r", wifi.getIPAddress());
+    pc.printf("IP Address is %s \n\r", wifi.getIPAddress());
     TCPSocketConnection socket;
     
     // Initialize ifttt object, add up to 3 optional values, trigger event. 
-    IFTTT ifttt("YourEventName","ChangeToYourSecretKey", &socket); // EventName, Secret Key, socket to use
-    ifttt.addIngredients("this is awesome","test-ing","data!!!");     // 3 optional Values to send along with trigger.
-    ifttt.trigger();
-
-    ifttt.addIngredients("Sending","GET","data");
-    ifttt.trigger(IFTTT_GET);
-
-    ifttt.addIngredients("Sending","POST","things");
+    IFTTT ifttt("EventName","Secret Key", &socket); // EventName, Secret Key, socket to use
+	
+    ifttt.addIngredients("value1","value2","value3");
     ifttt.trigger(IFTTT_POST);
-    while(1) {
-    }
 }

--- a/mbed.bld	Tue Jul 14 21:48:01 2015 +0000
+++ b/mbed.bld	Mon Jul 27 11:43:18 2015 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/mbed_official/code/mbed/builds/7cff1c4259d7
\ No newline at end of file
+http://mbed.org/users/mbed_official/code/mbed/builds/bad568076d81
\ No newline at end of file