#pragma once #include "quantum.h" #include <stdint.h> #ifndef JOYSTICK_BUTTON_COUNT # define JOYSTICK_BUTTON_COUNT 8 #endif #ifndef JOYSTICK_AXES_COUNT # define JOYSTICK_AXES_COUNT 4 #endif #ifndef JOYSTICK_AXES_RESOLUTION # define JOYSTICK_AXES_RESOLUTION 8 #elif JOYSTICK_AXES_RESOLUTION < 8 || JOYSTICK_AXES_RESOLUTION > 16 # error JOYSTICK_AXES_RESOLUTION must be between 8 and 16 #endif #define JOYSTICK_RESOLUTION ((1L << (JOYSTICK_AXES_RESOLUTION - 1)) - 1) // configure on input_pin of the joystick_axes array entry to JS_VIRTUAL_AXIS // to prevent it from being read from the ADC. This allows outputing forged axis value. // #define JS_VIRTUAL_AXIS 0xFF #define JOYSTICK_AXIS_VIRTUAL \ { JS_VIRTUAL_AXIS, JS_VIRTUAL_AXIS, JS_VIRTUAL_AXIS, 0, 1023 } #define JOYSTICK_AXIS_IN(INPUT_PIN, LOW, REST, HIGH) \ { JS_VIRTUAL_AXIS, INPUT_PIN, JS_VIRTUAL_AXIS, LOW, REST, HIGH } #define JOYSTICK_AXIS_IN_OUT(INPUT_PIN, OUTPUT_PIN, LOW, REST, HIGH) \ { OUTPUT_PIN, INPUT_PIN, JS_VIRTUAL_AXIS, LOW, REST, HIGH } #define JOYSTICK_AXIS_IN_OUT_GROUND(INPUT_PIN, OUTPUT_PIN, GROUND_PIN, LOW, REST, HIGH) \ { OUTPUT_PIN, INPUT_PIN, GROUND_PIN, LOW, REST, HIGH } typedef struct { pin_t output_pin; pin_t input_pin; pin_t ground_pin; // the AVR ADC offers 10 bit precision, with significant bits on the higher part uint16_t min_digit; uint16_t mid_digit; uint16_t max_digit; } joystick_config_t; extern joystick_config_t joystick_axes[JOYSTICK_AXES_COUNT]; enum joystick_status { JS_INITIALIZED = 1, JS_UPDATED = 2 }; typedef struct { uint8_t buttons[JOYSTICK_BUTTON_COUNT / 8 + 1]; int16_t axes[JOYSTICK_AXES_COUNT]; uint8_t status : 2; } joystick_t; extern joystick_t joystick_status; // to be implemented in the hid protocol library void send_joystick_packet(joystick_t *joystick);