Steve Kim
mbed library sources(for async_print)
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mbed official
api/AnalogOut.h@566:85de60b2bbaf, 2015-06-15 (annotated)
- Committer:
- mbed_official
- Date:
- Mon Jun 15 13:15:08 2015 +0100
- Revision:
- 566:85de60b2bbaf
- Parent:
- 13:0645d8841f51
Synchronized with git revision bf69fa1cfc0d4d59173af0a2d235c2fbc179e45c
Full URL: https://github.com/mbedmicro/mbed/commit/bf69fa1cfc0d4d59173af0a2d235c2fbc179e45c/
commit c4bf11cb6a0f36a1aca90cce128d7a8292df5bda
Merge: 0d58363 77a973c
Author: Mihail Stoyanov <wm@smode.org>
Date: Mon Jun 15 14:41:28 2015 +0300
Merge branch 'master' of https://github.com/mbedmicro/mbed
Conflicts:
workspace_tools/targets.py
commit 0d58363887d11952b26dcefa3229a9a1457b155c
Author: Mihail Stoyanov <wm@smode.org>
Date: Tue Jun 9 16:17:27 2015 +0300
Added Nordic license for the soft device
commit d504a3b58af390c779cb7383df2223d0a500f70a
Merge: 2c5aab7 8902229
Author: Mihail Stoyanov <wm@smode.org>
Date: Tue Jun 9 16:14:47 2015 +0300
Merge branch 'master' of https://github.com/mbedmicro/mbed
commit 2c5aab74eba507d184b74166da059d4100841ff7
Author: Mihail Stoyanov <wm@smode.org>
Date: Wed Jun 3 20:44:25 2015 +0300
Add base MCU support for Cortex-M4. Tidy up targets.py
commit 59b868a517163bf8984baa6c87ad42f86af18391
Merge: 0e23067 927c31a
Author: Mihail Stoyanov <wm@smode.org>
Date: Wed Jun 3 20:39:56 2015 +0300
Merge branch 'master' of https://github.com/mbedmicro/mbed
commit 0e23067718c61808401311bb594ed25fb4ed62c6
Author: Mihail Stoyanov <wm@smode.org>
Date: Tue Jun 2 16:08:08 2015 +0300
Add the Delta NNN40 platform to releases
commit 62a585dcda553b6e3b5c84e90a55b465f0894863
Merge: e1cd545 7a1d25e
Author: Mihail Stoyanov <wm@smode.org>
Date: Tue Jun 2 16:06:44 2015 +0300
Merge branch 'master' of https://github.com/mbedmicro/mbed
Conflicts:
workspace_tools/tests.py
commit e1cd545a9c92c4177f72da964d50d163dae5990f
Merge: 5c5e61f ffd5586
Author: Mihail Stoyanov <wm@smode.org>
Date: Thu May 7 13:07:48 2015 +0300
Merge branch 'master' of https://github.com/mbedmicro/mbed
commit 5c5e61f0ac38d91ad04738fd33af36f91452d984
Author: Mihail Stoyanov <wm@smode.org>
Date: Thu May 7 13:07:35 2015 +0300
Remove the Disco L053 from RTOS tests as it's not ready yet
commit e75efe346742fa22e124861fddf1b51c291f4219
Author: Mihail Stoyanov <wm@smode.org>
Date: Wed May 6 13:49:05 2015 +0300
Tidy up targets.py
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| bogdanm | 13:0645d8841f51 | 1 | /* mbed Microcontroller Library |
| bogdanm | 13:0645d8841f51 | 2 | * Copyright (c) 2006-2013 ARM Limited |
| bogdanm | 13:0645d8841f51 | 3 | * |
| bogdanm | 13:0645d8841f51 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| bogdanm | 13:0645d8841f51 | 5 | * you may not use this file except in compliance with the License. |
| bogdanm | 13:0645d8841f51 | 6 | * You may obtain a copy of the License at |
| bogdanm | 13:0645d8841f51 | 7 | * |
| bogdanm | 13:0645d8841f51 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| bogdanm | 13:0645d8841f51 | 9 | * |
| bogdanm | 13:0645d8841f51 | 10 | * Unless required by applicable law or agreed to in writing, software |
| bogdanm | 13:0645d8841f51 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| bogdanm | 13:0645d8841f51 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| bogdanm | 13:0645d8841f51 | 13 | * See the License for the specific language governing permissions and |
| bogdanm | 13:0645d8841f51 | 14 | * limitations under the License. |
| bogdanm | 13:0645d8841f51 | 15 | */ |
| bogdanm | 13:0645d8841f51 | 16 | #ifndef MBED_ANALOGOUT_H |
| bogdanm | 13:0645d8841f51 | 17 | #define MBED_ANALOGOUT_H |
| bogdanm | 13:0645d8841f51 | 18 | |
| bogdanm | 13:0645d8841f51 | 19 | #include "platform.h" |
| bogdanm | 13:0645d8841f51 | 20 | |
| bogdanm | 13:0645d8841f51 | 21 | #if DEVICE_ANALOGOUT |
| bogdanm | 13:0645d8841f51 | 22 | |
| bogdanm | 13:0645d8841f51 | 23 | #include "analogout_api.h" |
| bogdanm | 13:0645d8841f51 | 24 | |
| bogdanm | 13:0645d8841f51 | 25 | namespace mbed { |
| bogdanm | 13:0645d8841f51 | 26 | |
| bogdanm | 13:0645d8841f51 | 27 | /** An analog output, used for setting the voltage on a pin |
| bogdanm | 13:0645d8841f51 | 28 | * |
| bogdanm | 13:0645d8841f51 | 29 | * Example: |
| bogdanm | 13:0645d8841f51 | 30 | * @code |
| bogdanm | 13:0645d8841f51 | 31 | * // Make a sawtooth output |
| bogdanm | 13:0645d8841f51 | 32 | * |
| bogdanm | 13:0645d8841f51 | 33 | * #include "mbed.h" |
| bogdanm | 13:0645d8841f51 | 34 | * |
| bogdanm | 13:0645d8841f51 | 35 | * AnalogOut tri(p18); |
| bogdanm | 13:0645d8841f51 | 36 | * int main() { |
| bogdanm | 13:0645d8841f51 | 37 | * while(1) { |
| bogdanm | 13:0645d8841f51 | 38 | * tri = tri + 0.01; |
| bogdanm | 13:0645d8841f51 | 39 | * wait_us(1); |
| bogdanm | 13:0645d8841f51 | 40 | * if(tri == 1) { |
| bogdanm | 13:0645d8841f51 | 41 | * tri = 0; |
| bogdanm | 13:0645d8841f51 | 42 | * } |
| bogdanm | 13:0645d8841f51 | 43 | * } |
| bogdanm | 13:0645d8841f51 | 44 | * } |
| bogdanm | 13:0645d8841f51 | 45 | * @endcode |
| bogdanm | 13:0645d8841f51 | 46 | */ |
| bogdanm | 13:0645d8841f51 | 47 | class AnalogOut { |
| bogdanm | 13:0645d8841f51 | 48 | |
| bogdanm | 13:0645d8841f51 | 49 | public: |
| bogdanm | 13:0645d8841f51 | 50 | |
| bogdanm | 13:0645d8841f51 | 51 | /** Create an AnalogOut connected to the specified pin |
| bogdanm | 13:0645d8841f51 | 52 | * |
| bogdanm | 13:0645d8841f51 | 53 | * @param AnalogOut pin to connect to (18) |
| bogdanm | 13:0645d8841f51 | 54 | */ |
| bogdanm | 13:0645d8841f51 | 55 | AnalogOut(PinName pin) { |
| bogdanm | 13:0645d8841f51 | 56 | analogout_init(&_dac, pin); |
| bogdanm | 13:0645d8841f51 | 57 | } |
| bogdanm | 13:0645d8841f51 | 58 | |
| bogdanm | 13:0645d8841f51 | 59 | /** Set the output voltage, specified as a percentage (float) |
| bogdanm | 13:0645d8841f51 | 60 | * |
| bogdanm | 13:0645d8841f51 | 61 | * @param value A floating-point value representing the output voltage, |
| bogdanm | 13:0645d8841f51 | 62 | * specified as a percentage. The value should lie between |
| bogdanm | 13:0645d8841f51 | 63 | * 0.0f (representing 0v / 0%) and 1.0f (representing 3.3v / 100%). |
| bogdanm | 13:0645d8841f51 | 64 | * Values outside this range will be saturated to 0.0f or 1.0f. |
| bogdanm | 13:0645d8841f51 | 65 | */ |
| bogdanm | 13:0645d8841f51 | 66 | void write(float value) { |
| bogdanm | 13:0645d8841f51 | 67 | analogout_write(&_dac, value); |
| bogdanm | 13:0645d8841f51 | 68 | } |
| bogdanm | 13:0645d8841f51 | 69 | |
| bogdanm | 13:0645d8841f51 | 70 | /** Set the output voltage, represented as an unsigned short in the range [0x0, 0xFFFF] |
| bogdanm | 13:0645d8841f51 | 71 | * |
| bogdanm | 13:0645d8841f51 | 72 | * @param value 16-bit unsigned short representing the output voltage, |
| bogdanm | 13:0645d8841f51 | 73 | * normalised to a 16-bit value (0x0000 = 0v, 0xFFFF = 3.3v) |
| bogdanm | 13:0645d8841f51 | 74 | */ |
| bogdanm | 13:0645d8841f51 | 75 | void write_u16(unsigned short value) { |
| bogdanm | 13:0645d8841f51 | 76 | analogout_write_u16(&_dac, value); |
| bogdanm | 13:0645d8841f51 | 77 | } |
| bogdanm | 13:0645d8841f51 | 78 | |
| bogdanm | 13:0645d8841f51 | 79 | /** Return the current output voltage setting, measured as a percentage (float) |
| bogdanm | 13:0645d8841f51 | 80 | * |
| bogdanm | 13:0645d8841f51 | 81 | * @returns |
| bogdanm | 13:0645d8841f51 | 82 | * A floating-point value representing the current voltage being output on the pin, |
| bogdanm | 13:0645d8841f51 | 83 | * measured as a percentage. The returned value will lie between |
| bogdanm | 13:0645d8841f51 | 84 | * 0.0f (representing 0v / 0%) and 1.0f (representing 3.3v / 100%). |
| bogdanm | 13:0645d8841f51 | 85 | * |
| bogdanm | 13:0645d8841f51 | 86 | * @note |
| bogdanm | 13:0645d8841f51 | 87 | * This value may not match exactly the value set by a previous write(). |
| bogdanm | 13:0645d8841f51 | 88 | */ |
| bogdanm | 13:0645d8841f51 | 89 | float read() { |
| bogdanm | 13:0645d8841f51 | 90 | return analogout_read(&_dac); |
| bogdanm | 13:0645d8841f51 | 91 | } |
| bogdanm | 13:0645d8841f51 | 92 | |
| bogdanm | 13:0645d8841f51 | 93 | #ifdef MBED_OPERATORS |
| bogdanm | 13:0645d8841f51 | 94 | /** An operator shorthand for write() |
| bogdanm | 13:0645d8841f51 | 95 | */ |
| bogdanm | 13:0645d8841f51 | 96 | AnalogOut& operator= (float percent) { |
| bogdanm | 13:0645d8841f51 | 97 | write(percent); |
| bogdanm | 13:0645d8841f51 | 98 | return *this; |
| bogdanm | 13:0645d8841f51 | 99 | } |
| bogdanm | 13:0645d8841f51 | 100 | |
| bogdanm | 13:0645d8841f51 | 101 | AnalogOut& operator= (AnalogOut& rhs) { |
| bogdanm | 13:0645d8841f51 | 102 | write(rhs.read()); |
| bogdanm | 13:0645d8841f51 | 103 | return *this; |
| bogdanm | 13:0645d8841f51 | 104 | } |
| bogdanm | 13:0645d8841f51 | 105 | |
| bogdanm | 13:0645d8841f51 | 106 | /** An operator shorthand for read() |
| bogdanm | 13:0645d8841f51 | 107 | */ |
| bogdanm | 13:0645d8841f51 | 108 | operator float() { |
| bogdanm | 13:0645d8841f51 | 109 | return read(); |
| bogdanm | 13:0645d8841f51 | 110 | } |
| bogdanm | 13:0645d8841f51 | 111 | #endif |
| bogdanm | 13:0645d8841f51 | 112 | |
| bogdanm | 13:0645d8841f51 | 113 | protected: |
| bogdanm | 13:0645d8841f51 | 114 | dac_t _dac; |
| bogdanm | 13:0645d8841f51 | 115 | }; |
| bogdanm | 13:0645d8841f51 | 116 | |
| bogdanm | 13:0645d8841f51 | 117 | } // namespace mbed |
| bogdanm | 13:0645d8841f51 | 118 | |
| bogdanm | 13:0645d8841f51 | 119 | #endif |
| bogdanm | 13:0645d8841f51 | 120 | |
| bogdanm | 13:0645d8841f51 | 121 | #endif |