Ted Lin / Nucleo_key_led_with_coroutine

implement button press/release with double check using coroutine

Dependencies:   mbed-dev

coroutine.h@0:54509830df20, 2016-08-28 (annotated)

Committer:
mintisan
Date:
Sun Aug 28 12:50:45 2016 +0000
Revision:
0:54509830df20
implement button press/release with double check using coroutine

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mintisan 0:54509830df20 1 #ifndef COROUTINE_H_
mintisan 0:54509830df20 2 #define COROUTINE_H_
mintisan 0:54509830df20 3
mintisan 0:54509830df20 4 #ifdef __cplushplus
mintisan 0:54509830df20 5 extern "C"{
mintisan 0:54509830df20 6 #endif
mintisan 0:54509830df20 7
mintisan 0:54509830df20 8 /**
mintisan 0:54509830df20 9 * C coroutine
mintisan 0:54509830df20 10 * https://github.com/mintisan/mintisan.github.io/wiki/C#coroutine
mintisan 0:54509830df20 11 */
mintisan 0:54509830df20 12
mintisan 0:54509830df20 13 #define cr_start() \
mintisan 0:54509830df20 14 static int __s = 0; \
mintisan 0:54509830df20 15 switch(__s){ \
mintisan 0:54509830df20 16 case 0:
mintisan 0:54509830df20 17
mintisan 0:54509830df20 18 // '\' doesn't count for one line in C
mintisan 0:54509830df20 19 #define cr_yield(condition) do{ \
mintisan 0:54509830df20 20 __s = __LINE__ ; \
mintisan 0:54509830df20 21 case __LINE__: \
mintisan 0:54509830df20 22 if(condition) \
mintisan 0:54509830df20 23 return; \
mintisan 0:54509830df20 24 }while(0)
mintisan 0:54509830df20 25
mintisan 0:54509830df20 26 #define cr_end() \
mintisan 0:54509830df20 27 } __s = 0;
mintisan 0:54509830df20 28
mintisan 0:54509830df20 29
mintisan 0:54509830df20 30 #ifdef __cplushplus
mintisan 0:54509830df20 31 }
mintisan 0:54509830df20 32 #endif
mintisan 0:54509830df20 33
mintisan 0:54509830df20 34 #endif