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https://github.com/nopnop2002/esp-idf-ssd1306.git
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86 lines
4.3 KiB
Markdown
86 lines
4.3 KiB
Markdown
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# BenchMark for SSD1306
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A new i2c driver is now available in ESP-IDF V5.2.
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The previous i2c driver is still available as a Legacy driver.
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We measured the performance of new i2c drivers, legacy i2c drivers, and SPI drivers.
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# Software requirements
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ESP-IDF V4.4/V5.x.
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__Note for new i2c driver___
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ESP-IDF V5.2 is required when using the new i2c driver.
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# Installation
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```
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git clone https://github.com/nopnop2002/esp-idf-ssd1306
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cd esp-idf-ssd1306/BenchMark/
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idf.py set-target {esp32/esp32s2/esp32s3/esp32c2/esp32c3/esp32c6/esp32h2}
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idf.py menuconfig
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idf.py flash
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# i2c interface benchmark
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The maximum i2c clock frequency of SSD1306 is 400KHz.
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The i2c clock frequency used by this project is 400KHz.
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The measurement result is [FPS].
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|SoC@CPU Freq|Legacy Driver|New Driver||
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|:-:|:-:|:-:|:-:|
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|ESP32@160|34.0|35.2||
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|ESP32@240|35.4|36.2||
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|ESP32S2@160|36.7|37.8||
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|ESP32S2@240|38.0|38.6||
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|ESP32S3@160|36.1|37.3||
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|ESP32S3@240|37.6|38.4||
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|ESP32C2@120|36.2|37.1|26MHz XTAL|
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|ESP32C3@160|37.0|38.1||
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|ESP32C6@160|37.1|38.2||
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|ESP32H2@96|34.6|36.4||
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__Wire cables should be as short as possible.__
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ESP32S2@240 gave the fastest results when the Legacy and New i2c driver.
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# SPI interface benchmark
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The maximum SPI clock frequency of SSD1306 is 10MHz.
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Measurements were made by changing the SPI clock frequency.
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The measurement result is [FPS].
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|SoC@CPU Freq|1MHz|2MHz|4MHz|6MHz|8MHz|10MHz||
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|ESP32@160|90.3|143.8|224.6|272.0|297.0|316.3||
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|ESP32@240|97.4|166.0|271.3|339.2|378.9|417.2||
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|ESP32S2@160|94.5|159.4|244.4|301.0|331.8|356.0||
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|ESP32S2@240|101.7|174.1|290.1|367.1|413.9|458.9||
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|ESP32S3@160|93.7|152.2|240.7|295.0|324.4|347.5||
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|ESP32S3@240|100.1|172.9|286.0|360.9|411.2|449.1||
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|ESP32C2@120|91.6|150.7|226.7|263.5|295.5|314.5|26MHz XTAL|
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|ESP32C3@160|98.0|164.2|265.5|328.1|365.0|394.6||
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|ESP32C6@160|98.2|164.9|268.0|331.9|369.6|399.8||
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|ESP32H2@96|86.6|139.1|202.8|235.5|256.1|267.9||
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__Wire cables should be as short as possible.__
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ESP32C6 gave the fastest results when the CPU frequency was 160MHz (120MHz or 96MHz for some SoCs).
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ESP32C3 is the next fastest.
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There are only a few differences between ESP32C6 and ESP32C3.
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ESP32S2 gave the fastest results when the CPU frequency was 240MHz.
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