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Serial.h@11:1c1ebd0324fa, 2009-08-28 (annotated)

Committer:
rolf.meyer@arm.com
Date:
Fri Aug 28 12:10:11 2009 +0000
Revision:
11:1c1ebd0324fa
Parent:
8:00a04e5cd407
Child:
15:d1a9de3f4fe0
A shiny new version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rolf.meyer@arm.com 11:1c1ebd0324fa 1 /* mbed Microcontroller Library - Serial
rolf.meyer@arm.com 11:1c1ebd0324fa 2 * Copyright (c) 2007-2009 ARM Limited. All rights reserved.
rolf.meyer@arm.com 11:1c1ebd0324fa 3 * sford
rolf.meyer@arm.com 11:1c1ebd0324fa 4 */
rolf.meyer@arm.com 11:1c1ebd0324fa 5
rolf.meyer@arm.com 11:1c1ebd0324fa 6 #ifndef MBED_SERIAL_H
rolf.meyer@arm.com 11:1c1ebd0324fa 7 #define MBED_SERIAL_H
rolf.meyer@arm.com 11:1c1ebd0324fa 8
rolf.meyer@arm.com 11:1c1ebd0324fa 9 #include "platform.h"
rolf.meyer@arm.com 11:1c1ebd0324fa 10 #include "PinNames.h"
rolf.meyer@arm.com 11:1c1ebd0324fa 11 #include "PeripheralNames.h"
rolf.meyer@arm.com 11:1c1ebd0324fa 12 #include "Stream.h"
rolf.meyer@arm.com 11:1c1ebd0324fa 13
rolf.meyer@arm.com 11:1c1ebd0324fa 14 namespace mbed {
rolf.meyer@arm.com 11:1c1ebd0324fa 15
rolf.meyer@arm.com 11:1c1ebd0324fa 16 /* Class: Serial
rolf.meyer@arm.com 11:1c1ebd0324fa 17 * A serial port (UART) for communication with other serial devices
rolf.meyer@arm.com 11:1c1ebd0324fa 18 *
rolf.meyer@arm.com 11:1c1ebd0324fa 19 * Example:
rolf.meyer@arm.com 11:1c1ebd0324fa 20 * > // Print "Hello World" to the PC
rolf.meyer@arm.com 11:1c1ebd0324fa 21 * >
rolf.meyer@arm.com 11:1c1ebd0324fa 22 * > #include "mbed.h"
rolf.meyer@arm.com 11:1c1ebd0324fa 23 * >
rolf.meyer@arm.com 11:1c1ebd0324fa 24 * > Serial pc(USBTX, USBRX);
rolf.meyer@arm.com 11:1c1ebd0324fa 25 * >
rolf.meyer@arm.com 11:1c1ebd0324fa 26 * > int main() {
rolf.meyer@arm.com 11:1c1ebd0324fa 27 * > pc.printf("Hello World\n");
rolf.meyer@arm.com 11:1c1ebd0324fa 28 * > }
rolf.meyer@arm.com 11:1c1ebd0324fa 29 */
rolf.meyer@arm.com 11:1c1ebd0324fa 30 class Serial : public Stream {
rolf.meyer@arm.com 11:1c1ebd0324fa 31
rolf.meyer@arm.com 11:1c1ebd0324fa 32 public:
rolf.meyer@arm.com 11:1c1ebd0324fa 33
rolf.meyer@arm.com 11:1c1ebd0324fa 34 /* Constructor: Serial
rolf.meyer@arm.com 11:1c1ebd0324fa 35 * Create a Serial port, connected to the specified transmit and receive pins
rolf.meyer@arm.com 11:1c1ebd0324fa 36 *
rolf.meyer@arm.com 11:1c1ebd0324fa 37 * Variables:
rolf.meyer@arm.com 11:1c1ebd0324fa 38 * tx - Transmit pin
rolf.meyer@arm.com 11:1c1ebd0324fa 39 * rx - Receive pin
rolf.meyer@arm.com 11:1c1ebd0324fa 40 *
rolf.meyer@arm.com 11:1c1ebd0324fa 41 * Note: Either tx or rx may be specified as NOT_CONNECTED if unused
rolf.meyer@arm.com 11:1c1ebd0324fa 42 */
rolf.meyer@arm.com 11:1c1ebd0324fa 43 Serial(PinName tx, PinName rx, const char *name = NULL);
rolf.meyer@arm.com 11:1c1ebd0324fa 44
rolf.meyer@arm.com 11:1c1ebd0324fa 45 /* Function: baud
rolf.meyer@arm.com 11:1c1ebd0324fa 46 * Set the baud rate of the serial port
rolf.meyer@arm.com 11:1c1ebd0324fa 47 *
rolf.meyer@arm.com 11:1c1ebd0324fa 48 * Variables:
rolf.meyer@arm.com 11:1c1ebd0324fa 49 * baudrate - The baudrate of the serial port (default = 9600).
rolf.meyer@arm.com 11:1c1ebd0324fa 50 */
rolf.meyer@arm.com 11:1c1ebd0324fa 51 void baud(int baudrate);
rolf.meyer@arm.com 11:1c1ebd0324fa 52
rolf.meyer@arm.com 11:1c1ebd0324fa 53 enum Parity {
rolf.meyer@arm.com 11:1c1ebd0324fa 54 None = 0
rolf.meyer@arm.com 11:1c1ebd0324fa 55 , Odd
rolf.meyer@arm.com 11:1c1ebd0324fa 56 , Even
rolf.meyer@arm.com 11:1c1ebd0324fa 57 , Forced1
rolf.meyer@arm.com 11:1c1ebd0324fa 58 , Forced0
rolf.meyer@arm.com 11:1c1ebd0324fa 59 };
rolf.meyer@arm.com 11:1c1ebd0324fa 60
rolf.meyer@arm.com 11:1c1ebd0324fa 61 /* Function: format
rolf.meyer@arm.com 11:1c1ebd0324fa 62 * Set the transmission format used by the Serial port
rolf.meyer@arm.com 11:1c1ebd0324fa 63 *
rolf.meyer@arm.com 11:1c1ebd0324fa 64 * Variables:
rolf.meyer@arm.com 11:1c1ebd0324fa 65 * bits - The number of bits in a word (5-8; default = 8)
rolf.meyer@arm.com 11:1c1ebd0324fa 66 * parity - The parity used (Serial::None, Serial::Odd, Serial::Even, Serial::Forced1, Serial::Forced0; default = Serial::None)
rolf.meyer@arm.com 11:1c1ebd0324fa 67 * stop - The number of stop bits (1 or 2; default = 1)
rolf.meyer@arm.com 11:1c1ebd0324fa 68 */
rolf.meyer@arm.com 11:1c1ebd0324fa 69 void format(int bits = 8, Parity parity = Serial::None, int stop_bits = 1);
rolf.meyer@arm.com 11:1c1ebd0324fa 70
rolf.meyer@arm.com 11:1c1ebd0324fa 71 #if 0 // Inhereted from Stream, for documentation only
rolf.meyer@arm.com 11:1c1ebd0324fa 72
rolf.meyer@arm.com 11:1c1ebd0324fa 73 /* Function: putc
rolf.meyer@arm.com 11:1c1ebd0324fa 74 * Write a character
rolf.meyer@arm.com 11:1c1ebd0324fa 75 *
rolf.meyer@arm.com 11:1c1ebd0324fa 76 * Variables:
rolf.meyer@arm.com 11:1c1ebd0324fa 77 * c - The character to write to the serial port
rolf.meyer@arm.com 11:1c1ebd0324fa 78 */
rolf.meyer@arm.com 11:1c1ebd0324fa 79 int putc(int c);
rolf.meyer@arm.com 11:1c1ebd0324fa 80
rolf.meyer@arm.com 11:1c1ebd0324fa 81 /* Function: getc
rolf.meyer@arm.com 11:1c1ebd0324fa 82 * Read a character
rolf.meyer@arm.com 11:1c1ebd0324fa 83 *
rolf.meyer@arm.com 11:1c1ebd0324fa 84 * Variables:
rolf.meyer@arm.com 11:1c1ebd0324fa 85 * returns - The character read from the serial port
rolf.meyer@arm.com 11:1c1ebd0324fa 86 */
rolf.meyer@arm.com 11:1c1ebd0324fa 87 int getc();
rolf.meyer@arm.com 11:1c1ebd0324fa 88
rolf.meyer@arm.com 11:1c1ebd0324fa 89 /* Function: printf
rolf.meyer@arm.com 11:1c1ebd0324fa 90 * Write a formated string
rolf.meyer@arm.com 11:1c1ebd0324fa 91 *
rolf.meyer@arm.com 11:1c1ebd0324fa 92 * Variables:
rolf.meyer@arm.com 11:1c1ebd0324fa 93 * format - A printf-style format string, followed by the
rolf.meyer@arm.com 11:1c1ebd0324fa 94 * variables to use in formating the string.
rolf.meyer@arm.com 11:1c1ebd0324fa 95 */
rolf.meyer@arm.com 11:1c1ebd0324fa 96 int printf(const char* format, ...);
rolf.meyer@arm.com 11:1c1ebd0324fa 97
rolf.meyer@arm.com 11:1c1ebd0324fa 98 /* Function: scanf
rolf.meyer@arm.com 11:1c1ebd0324fa 99 * Read a formated string
rolf.meyer@arm.com 11:1c1ebd0324fa 100 *
rolf.meyer@arm.com 11:1c1ebd0324fa 101 * Variables:
rolf.meyer@arm.com 11:1c1ebd0324fa 102 * format - A scanf-style format string,
rolf.meyer@arm.com 11:1c1ebd0324fa 103 * followed by the pointers to variables to store the results.
rolf.meyer@arm.com 11:1c1ebd0324fa 104 */
rolf.meyer@arm.com 11:1c1ebd0324fa 105 int scanf(const char* format, ...);
rolf.meyer@arm.com 11:1c1ebd0324fa 106
rolf.meyer@arm.com 11:1c1ebd0324fa 107 #endif
rolf.meyer@arm.com 11:1c1ebd0324fa 108
rolf.meyer@arm.com 11:1c1ebd0324fa 109 /* Function: readable
rolf.meyer@arm.com 11:1c1ebd0324fa 110 * Determine if there is a character available to read
rolf.meyer@arm.com 11:1c1ebd0324fa 111 *
rolf.meyer@arm.com 11:1c1ebd0324fa 112 * Variables:
rolf.meyer@arm.com 11:1c1ebd0324fa 113 * returns - 1 if there is a character available to read, else 0
rolf.meyer@arm.com 11:1c1ebd0324fa 114 */
rolf.meyer@arm.com 11:1c1ebd0324fa 115 int readable();
rolf.meyer@arm.com 11:1c1ebd0324fa 116
rolf.meyer@arm.com 11:1c1ebd0324fa 117 /* Function: writeable
rolf.meyer@arm.com 11:1c1ebd0324fa 118 * Determine if there is space available to write a character
rolf.meyer@arm.com 11:1c1ebd0324fa 119 *
rolf.meyer@arm.com 11:1c1ebd0324fa 120 * Variables:
rolf.meyer@arm.com 11:1c1ebd0324fa 121 * returns - 1 if there is space to write a character, else 0
rolf.meyer@arm.com 11:1c1ebd0324fa 122 */
rolf.meyer@arm.com 11:1c1ebd0324fa 123 int writeable();
rolf.meyer@arm.com 11:1c1ebd0324fa 124
rolf.meyer@arm.com 11:1c1ebd0324fa 125 #ifdef MBED_RPC
rolf.meyer@arm.com 11:1c1ebd0324fa 126 virtual const struct rpc_method *get_rpc_methods();
rolf.meyer@arm.com 11:1c1ebd0324fa 127 static struct rpc_class *get_rpc_class();
rolf.meyer@arm.com 11:1c1ebd0324fa 128 #endif
rolf.meyer@arm.com 11:1c1ebd0324fa 129
rolf.meyer@arm.com 11:1c1ebd0324fa 130 protected:
rolf.meyer@arm.com 11:1c1ebd0324fa 131
rolf.meyer@arm.com 11:1c1ebd0324fa 132 virtual int _getc();
rolf.meyer@arm.com 11:1c1ebd0324fa 133 virtual int _putc(int c);
rolf.meyer@arm.com 11:1c1ebd0324fa 134
rolf.meyer@arm.com 11:1c1ebd0324fa 135 UARTName _uart;
rolf.meyer@arm.com 11:1c1ebd0324fa 136
rolf.meyer@arm.com 11:1c1ebd0324fa 137 };
rolf.meyer@arm.com 11:1c1ebd0324fa 138
rolf.meyer@arm.com 11:1c1ebd0324fa 139 } // namespace mbed
rolf.meyer@arm.com 11:1c1ebd0324fa 140
rolf.meyer@arm.com 11:1c1ebd0324fa 141 #endif
rolf.meyer@arm.com 11:1c1ebd0324fa 142