Egor Rumjantsev / mbed

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of mbed by mbed official

SPI.h@1:6b7f447ca868, 2008-04-30 (annotated)

Committer:
simon.ford@mbed.co.uk
Date:
Wed Apr 30 15:43:24 2008 +0000
Revision:
1:6b7f447ca868
Parent:
0:82220227f4fa
Child:
4:5d1359a283bc
Fixes:

 - ADC bug

 - Newlines at end of files

Who changed what in which revision?

UserRevisionLine numberNew contents of line
simon.ford@mbed.co.uk 0:82220227f4fa 1 /* mbed Microcontroller Library - SPI
simon.ford@mbed.co.uk 0:82220227f4fa 2 * Copyright (c) 2007-2008, sford
simon.ford@mbed.co.uk 0:82220227f4fa 3 */
simon.ford@mbed.co.uk 0:82220227f4fa 4
simon.ford@mbed.co.uk 0:82220227f4fa 5 #ifndef MBED_SPI_H
simon.ford@mbed.co.uk 0:82220227f4fa 6 #define MBED_SPI_H
simon.ford@mbed.co.uk 0:82220227f4fa 7
simon.ford@mbed.co.uk 0:82220227f4fa 8 #include "Base.h"
simon.ford@mbed.co.uk 0:82220227f4fa 9 #include "LPC2300.h"
simon.ford@mbed.co.uk 0:82220227f4fa 10
simon.ford@mbed.co.uk 0:82220227f4fa 11 namespace mbed {
simon.ford@mbed.co.uk 0:82220227f4fa 12
simon.ford@mbed.co.uk 0:82220227f4fa 13 /* Class: SPI
simon.ford@mbed.co.uk 0:82220227f4fa 14 * A SPI Master, used for communicating with SPI slave devices
simon.ford@mbed.co.uk 0:82220227f4fa 15 */
simon.ford@mbed.co.uk 0:82220227f4fa 16 class SPI : public Base {
simon.ford@mbed.co.uk 0:82220227f4fa 17
simon.ford@mbed.co.uk 0:82220227f4fa 18 public:
simon.ford@mbed.co.uk 0:82220227f4fa 19
simon.ford@mbed.co.uk 0:82220227f4fa 20 /* Group: Configuration Methods */
simon.ford@mbed.co.uk 0:82220227f4fa 21
simon.ford@mbed.co.uk 0:82220227f4fa 22 /* Constructor: SPI
simon.ford@mbed.co.uk 0:82220227f4fa 23 * Create a SPI master connected to the specified pins
simon.ford@mbed.co.uk 0:82220227f4fa 24 *
simon.ford@mbed.co.uk 0:82220227f4fa 25 * Variables:
simon.ford@mbed.co.uk 0:82220227f4fa 26 * mosi - SPI Master Out, Slave In pin
simon.ford@mbed.co.uk 0:82220227f4fa 27 * miso - SPI Master In, Slave Out pin
simon.ford@mbed.co.uk 0:82220227f4fa 28 * sclk - SPI Clock pin
simon.ford@mbed.co.uk 0:82220227f4fa 29 *
simon.ford@mbed.co.uk 0:82220227f4fa 30 * Pin Options:
simon.ford@mbed.co.uk 0:82220227f4fa 31 * (5, 6, 7) or (11, 12, 13)
simon.ford@mbed.co.uk 0:82220227f4fa 32 */
simon.ford@mbed.co.uk 0:82220227f4fa 33 SPI(int mosi, int miso, int sclk);
simon.ford@mbed.co.uk 0:82220227f4fa 34
simon.ford@mbed.co.uk 0:82220227f4fa 35 /* Function: format
simon.ford@mbed.co.uk 0:82220227f4fa 36 * Set the transmission format
simon.ford@mbed.co.uk 0:82220227f4fa 37 *
simon.ford@mbed.co.uk 0:82220227f4fa 38 * Variables:
simon.ford@mbed.co.uk 0:82220227f4fa 39 * bits - Number of bits per frame (4 - 16, default = 8)
simon.ford@mbed.co.uk 0:82220227f4fa 40 * polarity - Clock polarity, 0 = Steady state low (default), 1 = Steady state high
simon.ford@mbed.co.uk 0:82220227f4fa 41 * phase - Clock phase, 0 = Capture on first edge (default), 1 = Capture on second edge
simon.ford@mbed.co.uk 0:82220227f4fa 42 */
simon.ford@mbed.co.uk 0:82220227f4fa 43 void format(int bits = 8, int polarity = 0, int phase = 0);
simon.ford@mbed.co.uk 0:82220227f4fa 44
simon.ford@mbed.co.uk 0:82220227f4fa 45 /* Function: frequency
simon.ford@mbed.co.uk 0:82220227f4fa 46 * Set the bus clock frequency
simon.ford@mbed.co.uk 0:82220227f4fa 47 *
simon.ford@mbed.co.uk 0:82220227f4fa 48 * Variables:
simon.ford@mbed.co.uk 0:82220227f4fa 49 * hz - SCLK frequency in hz (default = 1MHz)
simon.ford@mbed.co.uk 0:82220227f4fa 50 */
simon.ford@mbed.co.uk 0:82220227f4fa 51 void frequency(int hz = 1000000);
simon.ford@mbed.co.uk 0:82220227f4fa 52
simon.ford@mbed.co.uk 0:82220227f4fa 53 /* Group: Access Methods */
simon.ford@mbed.co.uk 0:82220227f4fa 54
simon.ford@mbed.co.uk 0:82220227f4fa 55 /* Function: write
simon.ford@mbed.co.uk 0:82220227f4fa 56 * Write to the SPI Slave and return the response
simon.ford@mbed.co.uk 0:82220227f4fa 57 *
simon.ford@mbed.co.uk 0:82220227f4fa 58 * Variables:
simon.ford@mbed.co.uk 0:82220227f4fa 59 * value - Data to be sent to the SPI slave
simon.ford@mbed.co.uk 0:82220227f4fa 60 * returns - Response from the SPI slave
simon.ford@mbed.co.uk 0:82220227f4fa 61 */
simon.ford@mbed.co.uk 0:82220227f4fa 62 int write(int value);
simon.ford@mbed.co.uk 0:82220227f4fa 63
simon.ford@mbed.co.uk 0:82220227f4fa 64 protected:
simon.ford@mbed.co.uk 0:82220227f4fa 65
simon.ford@mbed.co.uk 0:82220227f4fa 66 void configure();
simon.ford@mbed.co.uk 0:82220227f4fa 67
simon.ford@mbed.co.uk 0:82220227f4fa 68 int _id;
simon.ford@mbed.co.uk 0:82220227f4fa 69
simon.ford@mbed.co.uk 0:82220227f4fa 70 int _uid;
simon.ford@mbed.co.uk 0:82220227f4fa 71 static int _uidcounter;
simon.ford@mbed.co.uk 0:82220227f4fa 72
simon.ford@mbed.co.uk 0:82220227f4fa 73 int _bits, _polarity, _phase, _hz;
simon.ford@mbed.co.uk 0:82220227f4fa 74 static int _config[2];
simon.ford@mbed.co.uk 0:82220227f4fa 75 };
simon.ford@mbed.co.uk 0:82220227f4fa 76
simon.ford@mbed.co.uk 0:82220227f4fa 77 }
simon.ford@mbed.co.uk 0:82220227f4fa 78
simon.ford@mbed.co.uk 1:6b7f447ca868 79 #endif
simon.ford@mbed.co.uk 1:6b7f447ca868 80