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Alex B.
2025-07-05 17:27:32 -04:00
parent 5c535c4968
commit fa3906b087
10 changed files with 19 additions and 19 deletions
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ESP-IDF_Robot/tutorial/docs/source/data.rst
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@@ -24,8 +24,8 @@ When used with communication protocols like ESP-NOW, this struct is **encoded**
**transmitted** at regular intervals or in response to user input, and finally
**decoded** on the receiving end to control hardware.
Struct Walkthrough
------------------
Data Payload
------------
*x_axis* and *y_axis* fields capture analog input from a joystick, determining direction and speed.
*nav_bttn* represents a joystick push-button.
@@ -35,7 +35,7 @@ Struct Walkthrough
*motor1_rpm_pwm* to *motor4_rpm_pwm* provide individual PWM signals to four DC motors.
This enables fine-grained speed control, supports differential drive configurations, and even allows for maneuvering in multi-directional platforms like omni-wheel robots.
Why Use __attribute((packed))?
Why use __attribute((packed))?
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ESP-NOW uses fixed-size data packets (up to 250 bytes). The *__attribute__((packed))* removes compiler-added padding for precise byte alignment.