TheGammaSqueeze

/*
 * RetroidPad.c
 *
 *  − Uses select() + ioctl(FIONREAD) to batch‐read all available bytes in one
 *    go (instead of VMIN) so that we only wake up once per MCU‐burst.
 *  − Adds an “idle skip” mechanism: if the button state remains unchanged for
 *    several consecutive packets, we skip the detailed per-packet parsing until
 *    a new packet arrives or a threshold is reached.
 *  − Performs a simple 50‐frame auto‐center calibration of both analog sticks
 *    at startup.

TheGammaSqueeze

/*
 * RetroidPad.c
 *
 *  − Uses select() + ioctl(FIONREAD) to batch‐read all available bytes in one
 *    go (instead of VMIN) so that we only wake up once per MCU‐burst.
 *  − Adds an “idle skip” mechanism: if the button state remains unchanged for
 *    several consecutive packets, we skip the detailed per-packet parsing until
 *    a new packet arrives or a threshold is reached.
 *
 *  Compile (on AArch64):

TheGammaSqueeze

/dts-v1/;

/ {
	model = "Qualcomm Technologies, Inc. Ravelin IDP Overlay";
	#size-cells = <0x02>;
	qcom,msm-id = <0x28d 0x10000 0x28e 0x10000>;
	#address-cells = <0x02>;
	interrupt-parent = <0x01>;
	compatible = "qcom,ravelin-idp\0qcom,ravelin\0qcom,idp";
	qcom,board-id = <0x22 0x00>;

TheGammaSqueeze

/dts-v1/;

/ {
	model = "Qualcomm Technologies, Inc. kona HDK";
	#size-cells = <0x02>;
	qcom,msm-id = <0x164 0x20001>;
	#address-cells = <0x02>;
	interrupt-parent = <0x01>;
	compatible = "qcom,kona-hdk\0qcom,kona\0qcom,hdk";
	qcom,board-id = <0x1001f 0x01>;

TheGammaSqueeze

/dts-v1/;

/ {
	model = "Qualcomm Technologies, Inc. kona HDK";
	#size-cells = <0x02>;
	qcom,msm-id = <0x164 0x20001>;
	#address-cells = <0x02>;
	interrupt-parent = <0x01>;
	compatible = "qcom,kona-hdk\0qcom,kona\0qcom,hdk";
	qcom,board-id = <0x1001f 0x01>;

TheGammaSqueeze

/*******************************************************************************
 * File: trimui_corrected.c
 *
 * Changes vs previous:
 *  - #define VENDOR_ID, PRODUCT_ID, VERSION_ID => 0x0000,0x0000,0x0001
 *  - Use ABS_Z, ABS_RZ instead of ABS_RX, ABS_RY
 *  - If L2 or R2 pressed => emit additional "gas" or "brake" events
 *  - Clamping from ±900 => ±32760
 *  - No repeated SYN if values are unchanged
 ******************************************************************************/

TheGammaSqueeze

/*******************************************************************************
 * File: miyoostick.c
 *
 * Example userland joystick application:
 *  - Sets up a virtual gamepad via /dev/uinput
 *  - Opens /dev/ttyS1, reads stick frames, calibrates them
 *  - Publishes the results as analog axes (two sticks)
 *  - Provides a few example buttons
 *
 * Build (example):

TheGammaSqueeze

#!/bin/bash

# Define the serial device
SERIAL_DEVICE="/dev/ttyS5"
SERIAL_OPEN_FLAG="/tmp/serial_device_opened"

# Display LED mode descriptions and usage examples if no parameters are provided
if [ $# -eq 0 ]; then
  echo "Usage: $0 <led_mode> <brightness_value> [<speed_value>|<r_value> <g_value> <b_value> [<joystick_r> <joystick_g> <joystick_b>]]"
  echo "LED Modes:"

TheGammaSqueeze

/dts-v1/;

/ {
	qcom,msm-id = <0x164 0x20001>;
	#size-cells = <0x02>;
	compatible = "qcom,kona-hdk\0qcom,kona\0qcom,hdk";
	qcom,board-id = <0x1001f 0x01>;
	#address-cells = <0x02>;
	interrupt-parent = <0x01>;
	model = "Qualcomm Technologies, Inc. kona HDK";

TheGammaSqueeze

<?xml version="1.0"?>
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