Emilio Monti
mbed libraries for KL25Z
Diff: SerialHalfDuplex.h
- Revision:
- 8:c14af7958ef5
- Parent:
- 0:8024c367e29f
diff -r 73c5efe92a6c -r c14af7958ef5 SerialHalfDuplex.h
--- a/SerialHalfDuplex.h Tue Oct 23 09:20:18 2012 +0000
+++ b/SerialHalfDuplex.h Fri Nov 09 11:33:53 2012 +0000
@@ -1,22 +1,19 @@
/* mbed Microcontroller Library - SerialHalfDuplex
* Copyright (c) 2010-2011 ARM Limited. All rights reserved.
*/
-
#ifndef MBED_SERIALHALFDUPLEX_H
#define MBED_SERIALHALFDUPLEX_H
-#include "device.h"
+#include "platform.h"
#if DEVICE_SERIAL
#include "Serial.h"
#include "gpio_api.h"
-#include "PeripheralNames.h"
namespace mbed {
-/* Class: SerialHalfDuplex
- * A serial port (UART) for communication with other devices using
+/** A serial port (UART) for communication with other devices using
* Half-Duplex, allowing transmit and receive on a single
* shared transmit and receive line. Only one end should be transmitting
* at a time.
@@ -25,153 +22,50 @@
* This is in addition to them being wired to the other serial
* device to allow both read and write functions to operate.
*
+ * For Simplex and Full-Duplex Serial communication, see Serial()
+ *
* Example:
- * > // Send a byte to a second HalfDuplex device, and read the response
- * >
- * > #include "mbed.h"
- * >
- * > // p9 and p10 should be wired together to form "a"
- * > // p28 and p27 should be wired together to form "b"
- * > // p9/p10 should be wired to p28/p27 as the Half Duplex connection
- * >
- * > SerialHalfDuplex a(p9, p10);
- * > SerialHalfDuplex b(p28, p27);
- * >
- * > void b_rx() { // second device response
- * > b.putc(b.getc() + 4);
- * > }
- * >
- * > int main() {
- * > b.attach(&b_rx);
- * > for(int c = 'A'; c < 'Z'; c++) {
- * > a.putc(c);
- * > printf("sent [%c]\n", c);
- * > wait(0.5); // b should respond
- * > if(a.readable()) {
- * > printf("received [%c]\n", a.getc());
- * > }
- * > }
- * > }
+ * @code
+ * // Send a byte to a second HalfDuplex device, and read the response
+ *
+ * #include "mbed.h"
*
- * For Simplex and Full-Duplex Serial communication, see <Serial>
+ * // p9 and p10 should be wired together to form "a"
+ * // p28 and p27 should be wired together to form "b"
+ * // p9/p10 should be wired to p28/p27 as the Half Duplex connection
+ *
+ * SerialHalfDuplex a(p9, p10);
+ * SerialHalfDuplex b(p28, p27);
+ *
+ * void b_rx() { // second device response
+ * b.putc(b.getc() + 4);
+ * }
+ *
+ * int main() {
+ * b.attach(&b_rx);
+ * for (int c = 'A'; c < 'Z'; c++) {
+ * a.putc(c);
+ * printf("sent [%c]\n", c);
+ * wait(0.5); // b should respond
+ * if (a.readable()) {
+ * printf("received [%c]\n", a.getc());
+ * }
+ * }
+ * }
+ * @endcode
*/
class SerialHalfDuplex : public Serial {
public:
- /* Constructor: SerialHalfDuplex
- * Create a half-duplex serial port, connected to the specified transmit
+ /** Create a half-duplex serial port, connected to the specified transmit
* and receive pins.
*
* These pins should be wired together, as well as to the target device
*
- * Variables:
- * tx - Transmit pin
- * rx - Receive pin
- */
- SerialHalfDuplex(PinName tx, PinName rx, const char *name = NULL);
-
-#if 0 // Inherited from Serial class, for documentation
- /* Function: baud
- * Set the baud rate of the serial port
- *
- * Variables:
- * baudrate - The baudrate of the serial port (default = 9600).
- */
- void baud(int baudrate);
-
- enum Parity {
- None = 0
- , Odd
- , Even
- , Forced1
- , Forced0
- };
-
- /* Function: format
- * Set the transmission format used by the Serial port
- *
- * Variables:
- * bits - The number of bits in a word (5-8; default = 8)
- * parity - The parity used (Serial::None, Serial::Odd,
-Serial::Even, Serial::Forced1, Serial::Forced0; default = Serial::None)
- * stop - The number of stop bits (1 or 2; default = 1)
- */
- void format(int bits = 8, Parity parity = Serial::None, int stop_bits
-= 1);
-
- /* Function: putc
- * Write a character
- *
- * Variables:
- * c - The character to write to the serial port
- */
- int putc(int c);
-
- /* Function: getc
- * Read a character
- *
- * Read a character from the serial port. This call will block
- * until a character is available. For testing if a character is
- * available for reading, see <readable>.
- *
- * Variables:
- * returns - The character read from the serial port
+ * @param tx Transmit pin
+ * @param rx Receive pin
*/
- int getc();
-
- /* Function: printf
- * Write a formated string
- *
- * Variables:
- * format - A printf-style format string, followed by the
- * variables to use in formating the string.
- */
- int printf(const char* format, ...);
-
- /* Function: scanf
- * Read a formated string
- *
- * Variables:
- * format - A scanf-style format string,
- * followed by the pointers to variables to store the results.
- */
- int scanf(const char* format, ...);
-
- /* Function: readable
- * Determine if there is a character available to read
- *
- * Variables:
- * returns - 1 if there is a character available to read, else 0
- */
- int readable();
-
- /* Function: writeable
- * Determine if there is space available to write a character
- *
- * Variables:
- * returns - 1 if there is space to write a character, else 0
- */
- int writeable();
-
- /* Function: attach
- * Attach a function to call whenever a serial interrupt is generated
- *
- * Variables:
- * fptr - A pointer to a void function, or 0 to set as none
- */
- void attach(void (*fptr)(void));
-
- /* Function: attach
- * Attach a member function to call whenever a serial interrupt is generated
- *
- * Variables:
- * tptr - pointer to the object to call the member function on
- * mptr - pointer to the member function to be called
- */
- template<typename T>
- void attach(T* tptr, void (T::*mptr)(void));
-
-#endif
+ SerialHalfDuplex(PinName tx, PinName rx);
protected:
gpio_object gpio;
