QCC蓝牙芯片PIO操作

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于 2021-10-18 17:24:57 发布 · 1.3k 阅读

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#QCC #PIO

这篇博客详细介绍了QCC系列蓝牙芯片中PIO（Peripheral Input/Output）的使用，包括API函数如PioGetMapPins32Bank、PioSetDir32Bank和PioSet32Bank的用法，以及如何设置PIO为输入、输出高电平和低电平。内容适用于QCC3020、QCC3031等多款芯片。

QCC蓝牙芯片PIO操作
1.API
/**

\brief Returns a 32 bit value showing which PIO lines have been mapped to chip pins
(see documentation for PioSetMapPins32() for more detail).
\param bank PIO bank number.
\note This trap may NOT be called from a high-priority task handler
\ingroup trapset_core
/
uint32 PioGetMapPins32Bank(uint16 bank);
/*
\brief Set PIOs as inputs or outputs.
Note that all PIOs must be mapped in before they can be used.
See the PioSetMapPins32() documentation for information on valid PIO
directions
and PIO mapping.
\param mask Each bit in the mask corresponds to a PIO line. Bits set to 1 in this mask will
be modified. Bits set to 0 in this mask will not be modified.
\param dir Each bit in the “dir” value corresponds to a PIO line. Bits set to 1 in this
val

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