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FreeRTOS plus用法举例

更新时间:2019-10-23 22:20:43 大小:92K 上传用户:sun2152查看TA发布的资源 标签:freertos 下载积分:0分 评价赚积分 (如何评价?) 打赏 收藏 评论(0) 举报

资料介绍

FreeRTOS_open Peripheral_Descriptor_t FreeRTOS_open(const int8_t"pcPath, const uint32_t ulFlags); Opens a peripheral for use with FreeRTOS+1O. The board support package defines which peripherals are available on any particular platfom.

Parameters: pcPath The text name of the peripheral being opened, as defined by the board support package.

uIFlags Mode flags. This parameter is not currently used. It is included for two reasons-so the FreeRTOS_open() prototype complies with the standard open() prototype, and to ensure backward compatibility after future FreeRTOS+IO developments.

Retums: NULL if the peripheral could not be opened, otherwise a variable of type Peripheral_Descriptor_t that can be used to access the opened peripheral in future calls to FreeRTOS_read(), FreeRTOS_write) and FreeRTOS_ioct).


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FreeRTOSplus用法举例.pdf 92K

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