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Accept Kevin Bracey's review, "wait_ms() and wait(float) always spin to get an exact number of microseconds, potentially impacting power and multi-thread performance. Again, avoided by Thread::wait()".

pull/6645/head
James Wang 2018-04-17 18:11:59 +08:00
parent efc228ff06
commit 04627992db
1 changed files with 8 additions and 3 deletions
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11
platform/mbed_wait_api.h
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@ -55,7 +55,9 @@ extern "C" {
* @param s number of seconds to wait * @param s number of seconds to wait
* *
* @note * @note
* This func will lock deep sleep. If you want device entry deep sleep mode, please use Thread::wait() * This func always spin to get an exact number of microseconds, potentially
* impacting power(like can't deep sleep) and multi-thread performance.
* You can avoided by Thread::wait().
*/ */
void wait(float s); void wait(float s);
@ -64,7 +66,9 @@ void wait(float s);
* @param ms the whole number of milliseconds to wait * @param ms the whole number of milliseconds to wait
* *
* @note * @note
* This func will lock deep sleep. If you want device entry deep sleep mode, please use Thread::wait() * This func always spin to get an exact number of microseconds, potentially
* impacting power(like can't deep sleep) and multi-thread performance.
* You can avoided by Thread::wait().
*/ */
void wait_ms(int ms); void wait_ms(int ms);
@ -73,7 +77,8 @@ void wait_ms(int ms);
* @param us the whole number of microseconds to wait * @param us the whole number of microseconds to wait
* *
* @note * @note
* This func will lock deep sleep. * This func always spin to get an exact number of microseconds, potentially
* impacting power(like can't deep sleep) and multi-thread performance.
*/ */
void wait_us(int us); void wait_us(int us);