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rmt: better support rx demodulation

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morris
2020-03-17 19:47:38 +08:00
parent c91565d538
commit 855b316045
4 changed files with 98 additions and 116 deletions
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docs/en/api-reference/peripherals/rmt.rst
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@@ -148,7 +148,10 @@ In receive mode, set **rx_config** and the following members of :cpp:type:`rmt_r
* Enable a filter on the input of the RMT receiver - **filter_en**
* A threshold of the filter, set in the number of ticks - **filter_ticks_thresh**. Pulses shorter than this setting will be filtered out. Note, that the range of entered tick values is [0..255].
* A pulse length threshold that will turn the RMT receiver idle, set in number of ticks - **idle_threshold**. The receiver will ignore pulses longer than this setting.
:esp32s2: * Enable the RMT carrier demodulation - **carrier_rm**
:esp32s2: * Frequency of the carrier in Hz - **carrier_freq_hz**
:esp32s2: * Duty cycle of the carrier signal in percent (%) - **carrier_duty_percent**
:esp32s2: * Level of the RMT input, where the carrier is modulated to - **carrier_level**
Finalize Configuration
^^^^^^^^^^^^^^^^^^^^^^