Lab 1 Program C
Fork of mbed by
AnalogOut.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?
User | Revision | Line number | New contents of line |
---|---|---|---|
simon.ford@mbed.co.uk | 0:82220227f4fa | 1 | /* mbed Microcontroller Library - AnalogOut |
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_ANALOGOUT_H |
simon.ford@mbed.co.uk | 0:82220227f4fa | 6 | #define MBED_ANALOGOUT_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 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 10 | namespace mbed { |
simon.ford@mbed.co.uk | 0:82220227f4fa | 11 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 12 | /* Class: AnalogOut |
simon.ford@mbed.co.uk | 0:82220227f4fa | 13 | * An analog output, used for setting the voltage on a pin |
simon.ford@mbed.co.uk | 0:82220227f4fa | 14 | */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 15 | class AnalogOut : public Base { |
simon.ford@mbed.co.uk | 0:82220227f4fa | 16 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 17 | public: |
simon.ford@mbed.co.uk | 0:82220227f4fa | 18 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 19 | /* Group: Configuration Methods */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 20 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 21 | /* Constructor: AnalogOut |
simon.ford@mbed.co.uk | 0:82220227f4fa | 22 | * Create an AnalogOut connected to the specified pin |
simon.ford@mbed.co.uk | 0:82220227f4fa | 23 | * |
simon.ford@mbed.co.uk | 0:82220227f4fa | 24 | * Variables: |
simon.ford@mbed.co.uk | 0:82220227f4fa | 25 | * pin - AnalogOut pin to connect to (18) |
simon.ford@mbed.co.uk | 0:82220227f4fa | 26 | */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 27 | AnalogOut(int pin); |
simon.ford@mbed.co.uk | 0:82220227f4fa | 28 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 29 | /* Group: Access Methods */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 30 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 31 | /* Function: write |
simon.ford@mbed.co.uk | 0:82220227f4fa | 32 | * Set the output voltage, specified as a percentage (float) |
simon.ford@mbed.co.uk | 0:82220227f4fa | 33 | * |
simon.ford@mbed.co.uk | 0:82220227f4fa | 34 | * Variables: |
simon.ford@mbed.co.uk | 0:82220227f4fa | 35 | * percent - A floating-point value representing the output voltage, |
simon.ford@mbed.co.uk | 0:82220227f4fa | 36 | * specified as a percentage. The value should lie between |
simon.ford@mbed.co.uk | 0:82220227f4fa | 37 | * 0.0f (representing 0v / 0%) and 1.0f (representing 3.3v / 100%). |
simon.ford@mbed.co.uk | 0:82220227f4fa | 38 | * Values outside this range will be saturated to 0.0f or 1.0f. |
simon.ford@mbed.co.uk | 0:82220227f4fa | 39 | */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 40 | void write(float percent); |
simon.ford@mbed.co.uk | 0:82220227f4fa | 41 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 42 | /* Function: write_v |
simon.ford@mbed.co.uk | 0:82220227f4fa | 43 | * Set the output voltage, specified in volts (float) |
simon.ford@mbed.co.uk | 0:82220227f4fa | 44 | * |
simon.ford@mbed.co.uk | 0:82220227f4fa | 45 | * Variables: |
simon.ford@mbed.co.uk | 0:82220227f4fa | 46 | * v - A floating-point value representing the output voltage, |
simon.ford@mbed.co.uk | 0:82220227f4fa | 47 | * specified in volts. The value should lie between |
simon.ford@mbed.co.uk | 0:82220227f4fa | 48 | * 0.0f (representing 0v / 0%) and 3.3f (representing 3.3v / 100%). |
simon.ford@mbed.co.uk | 0:82220227f4fa | 49 | * Values outside this range will be saturated to 0.0f or 3.3f. |
simon.ford@mbed.co.uk | 0:82220227f4fa | 50 | */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 51 | void write_v(float v); |
simon.ford@mbed.co.uk | 0:82220227f4fa | 52 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 53 | /* Function: write_mv |
simon.ford@mbed.co.uk | 0:82220227f4fa | 54 | * Set the output voltage, specified in mili-volts (int) |
simon.ford@mbed.co.uk | 0:82220227f4fa | 55 | * |
simon.ford@mbed.co.uk | 0:82220227f4fa | 56 | * Variables: |
simon.ford@mbed.co.uk | 0:82220227f4fa | 57 | * mv - An integer value representing the output voltage, |
simon.ford@mbed.co.uk | 0:82220227f4fa | 58 | * specified in milli-volts. The value should lie between |
simon.ford@mbed.co.uk | 0:82220227f4fa | 59 | * 0 (representing 0v / 0%) and 3300 (representing 3.3v / 100%). |
simon.ford@mbed.co.uk | 0:82220227f4fa | 60 | * Values outside this range will be saturated to 0 or 3300. |
simon.ford@mbed.co.uk | 0:82220227f4fa | 61 | */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 62 | void write_mv(int mv); |
simon.ford@mbed.co.uk | 0:82220227f4fa | 63 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 64 | /* Function: read |
simon.ford@mbed.co.uk | 0:82220227f4fa | 65 | * Return the current output voltage setting, measured as a percentage (float) |
simon.ford@mbed.co.uk | 0:82220227f4fa | 66 | * |
simon.ford@mbed.co.uk | 0:82220227f4fa | 67 | * Variables: |
simon.ford@mbed.co.uk | 0:82220227f4fa | 68 | * returns - A floating-point value representing the current voltage being output on the pin, |
simon.ford@mbed.co.uk | 0:82220227f4fa | 69 | * measured as a percentage. The returned value will lie between |
simon.ford@mbed.co.uk | 0:82220227f4fa | 70 | * 0.0f (representing 0v / 0%) and 1.0f (representing 3.3v / 100%). |
simon.ford@mbed.co.uk | 0:82220227f4fa | 71 | * |
simon.ford@mbed.co.uk | 0:82220227f4fa | 72 | * Note: |
simon.ford@mbed.co.uk | 0:82220227f4fa | 73 | * This value may not match exactly the value set by a previous <write>. |
simon.ford@mbed.co.uk | 0:82220227f4fa | 74 | */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 75 | float read(); |
simon.ford@mbed.co.uk | 0:82220227f4fa | 76 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 77 | /* Group: Access Method Shorthand */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 78 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 79 | /* Function: operator= |
simon.ford@mbed.co.uk | 0:82220227f4fa | 80 | * A shorthand for <write> |
simon.ford@mbed.co.uk | 0:82220227f4fa | 81 | */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 82 | AnalogOut& operator= (float percent); |
simon.ford@mbed.co.uk | 0:82220227f4fa | 83 | AnalogOut& operator= (AnalogOut& rhs); |
simon.ford@mbed.co.uk | 0:82220227f4fa | 84 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 85 | /* Function: operator float() |
simon.ford@mbed.co.uk | 0:82220227f4fa | 86 | * A shorthand for <read> |
simon.ford@mbed.co.uk | 0:82220227f4fa | 87 | */ |
simon.ford@mbed.co.uk | 0:82220227f4fa | 88 | operator float(); |
simon.ford@mbed.co.uk | 0:82220227f4fa | 89 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 90 | }; |
simon.ford@mbed.co.uk | 0:82220227f4fa | 91 | |
simon.ford@mbed.co.uk | 0:82220227f4fa | 92 | } |
simon.ford@mbed.co.uk | 0:82220227f4fa | 93 | |
simon.ford@mbed.co.uk | 1:6b7f447ca868 | 94 | #endif |
simon.ford@mbed.co.uk | 1:6b7f447ca868 | 95 |