porttick_period_ms
... 轉換ticks 數為毫秒(ms)，也就是說vTaskDelay( 250/portTICK_RATE_MS ) 這個寫法，就是讓task 暫停250 毫秒(ms)的意思(v8.2.1 改名為portTICK_PERIOD_MS). , ... 任务将进入阻塞态，经延迟指定的心跳周期数后，再转移到就绪态；经常使用portTICK_PERIOD_MS将延时周期转换为Ms为单位，如延时100Ms：
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 porttick_period_ms 相關參考資料
Configure RTOS tick under 1ms versus portTICK_PERIOD_MS
Configure RTOS tick under 1ms versus portTICK_PERIOD_MS. Posted by simointe on June 13, 2016. (TMS570LC4, nested interrupt, C++, FreeRTOS V9.0.0rc2, ... https://www.freertos.org FreeRTOS - 成大資工Wiki
... 轉換ticks 數為毫秒(ms)，也就是說vTaskDelay( 250/portTICK_RATE_MS ) 這個寫法，就是讓task 暫停250 毫秒(ms)的意思(v8.2.1 改名為portTICK_PERIOD_MS). http://wiki.csie.ncku.edu.tw FreeRTOS 任务管理之任务转移_嵌入式_jnu_fangzebin的专栏 ...
... 任务将进入阻塞态，经延迟指定的心跳周期数后，再转移到就绪态；经常使用portTICK_PERIOD_MS将延时周期转换为Ms为单位，如延时100Ms： https://blog.csdn.net portTICK_PERIOD_MS, not portTICK_RATE_MS - FreeRTOS
To reflect its significance, it should be called: portTICK_PERIOD_MS Rate is a per time value but period is a time value, here ms. Inaccurate ... https://www.freertos.org Replace portTICK_RATE_MS with portTICK_PERIOD_MS ...
In later FreeRTOS releases, the macro portTICK_RATE_MS was replaced with portTICK_PERIOD_MS. For backwards compatibility, both are ... https://github.com This page describes the RTOS vTaskDelay() FreeRTOS API ...
The constant portTICK_PERIOD_MS can be used to calculate real time from the tick rate – with the resolution of one tick period. vTaskDelay() specifies a time at ... https://www.freertos.org vTaskDelay() doesn't recognise portTICK_PERIOD_MS ...
vTaskDelay() doesn't recognise portTICK_PERIOD_MS. Posted by jirachi2 on May 27, 2014. In my program I did exactly as instructed here: ... https://www.freertos.org vTaskDelay() Doubt - ESP32 Forum
1000 / portTICK_PERIOD_MS = 100 ticks 100 * 10ms = 1 sec. However, a high tick frequency also means that the RTOS kernel will use more ... https://esp32.com vTaskDelay(pdMS_TO_TICKS(1000)); vs vTaskDelay(1000 ...
So i've been seeing more examples using vTaskDelay(pdMS_TO_TICKS(x)); over the IMHO traditional vTaskDelay(x / portTICK_PERIOD_MS); https://esp32.com |