The experiment using this program is introduced on "Interface" No.11, CQ publishing Co.,Ltd, 2014. 本プログラムを使った実験は,CQ出版社のインターフェース 2014年11月号で紹介しています.
Dependencies: DSProcessingIO mbed
Fork of DAC_Test by
main_ADDA.cpp@2:4bd5fbc225c3, 2014-07-15 (annotated)
- Committer:
- CQpub0Mikami
- Date:
- Tue Jul 15 05:51:10 2014 +0000
- Revision:
- 2:4bd5fbc225c3
- Parent:
- 1:339c82434d38
Minor change for test of update.
; only insert carrige return and line feed.
;
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
CQpub0Mikami | 0:f7880759a9d8 | 1 | //-------------------------------------------------------------- |
CQpub0Mikami | 1:339c82434d38 | 2 | // Test program of DacDual class |
CQpub0Mikami | 0:f7880759a9d8 | 3 | // |
CQpub0Mikami | 1:339c82434d38 | 4 | // Copyright (c) 2014 MIKAMI, Naoki, 2014/07/14 |
CQpub0Mikami | 0:f7880759a9d8 | 5 | //-------------------------------------------------------------- |
CQpub0Mikami | 0:f7880759a9d8 | 6 | |
CQpub0Mikami | 0:f7880759a9d8 | 7 | #include "mbed.h" |
CQpub0Mikami | 1:339c82434d38 | 8 | #include "AdcInternal.hpp" |
CQpub0Mikami | 0:f7880759a9d8 | 9 | #include "MCP4922Dual.hpp" |
CQpub0Mikami | 0:f7880759a9d8 | 10 | |
CQpub0Mikami | 0:f7880759a9d8 | 11 | using namespace Mikami; |
CQpub0Mikami | 0:f7880759a9d8 | 12 | |
CQpub0Mikami | 1:339c82434d38 | 13 | const float FS_ = 10.0e3f; // sampling frequency: 10 kHz |
CQpub0Mikami | 0:f7880759a9d8 | 14 | |
CQpub0Mikami | 1:339c82434d38 | 15 | Adc adc_; // default, input: A0 |
CQpub0Mikami | 1:339c82434d38 | 16 | DacDual dacAB_; // object of DacDual class |
CQpub0Mikami | 1:339c82434d38 | 17 | Ticker timer_; // for timer interrupt |
CQpub0Mikami | 0:f7880759a9d8 | 18 | |
CQpub0Mikami | 1:339c82434d38 | 19 | // Called every 0.1 ms |
CQpub0Mikami | 0:f7880759a9d8 | 20 | void TimerIsr() |
CQpub0Mikami | 0:f7880759a9d8 | 21 | { |
CQpub0Mikami | 1:339c82434d38 | 22 | float value = adc_.Read(); // AD |
CQpub0Mikami | 0:f7880759a9d8 | 23 | |
CQpub0Mikami | 1:339c82434d38 | 24 | // pin14 : Inphase |
CQpub0Mikami | 1:339c82434d38 | 25 | // pin10 : Out-of-phase |
CQpub0Mikami | 1:339c82434d38 | 26 | dacAB_.Write(value, -value); |
CQpub0Mikami | 0:f7880759a9d8 | 27 | } |
CQpub0Mikami | 0:f7880759a9d8 | 28 | |
CQpub0Mikami | 0:f7880759a9d8 | 29 | int main() |
CQpub0Mikami | 0:f7880759a9d8 | 30 | { |
CQpub0Mikami | 0:f7880759a9d8 | 31 | timer_.attach_us(&TimerIsr, 1.0e6f/FS_); |
CQpub0Mikami | 2:4bd5fbc225c3 | 32 | |
CQpub0Mikami | 1:339c82434d38 | 33 | while (true) {} // infinite loop |
CQpub0Mikami | 0:f7880759a9d8 | 34 | } |