bff6175fb0
In any mode except MENU the encoder rotateion selects status screens Add functions to rotate through available status screens Aandle rotate encoder event in button menu
80 lines
2.9 KiB
C++
80 lines
2.9 KiB
C++
#pragma once
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extern "C" {
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "esp_log.h"
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#include "nvs_flash.h"
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#include "nvs.h"
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#include "ssd1306.h"
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#include "font8x8_basic.h"
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}
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#include "joystick.hpp"
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#include "control.hpp"
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#include "speedsensor.hpp"
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// configuration for initializing display (passed to task as well)
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typedef struct display_config_t {
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// initialization
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gpio_num_t gpio_scl;
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gpio_num_t gpio_sda;
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int gpio_reset; // negative number means reset pin is not connected or not used
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int width;
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int height;
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int offsetX;
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bool flip;
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// display-task
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int contrastNormal;
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int contrastReduced;
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uint32_t timeoutReduceContrastMs;
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uint32_t timeoutSwitchToScreensaverMs;
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} display_config_t;
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// struct with variables passed to task from main()
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typedef struct display_task_parameters_t {
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display_config_t displayConfig;
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controlledArmchair * control;
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evaluatedJoystick * joystick;
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QueueHandle_t encoderQueue;
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controlledMotor * motorLeft;
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controlledMotor * motorRight;
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speedSensor * speedLeft;
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speedSensor * speedRight;
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buzzer_t *buzzer;
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nvs_handle_t * nvsHandle;
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} display_task_parameters_t;
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// enum for selecting the currently shown status page (display content when not in MENU mode)
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typedef enum displayStatusPage_t {STATUS_SCREEN_OVERVIEW=0, STATUS_SCREEN_SPEED, STATUS_SCREEN_JOYSTICK, STATUS_SCREEN_MOTORS, STATUS_SCREEN_SCREENSAVER, __NUMBER_OF_AVAILABLE_SCREENS} displayStatusPage_t; //note: SCREENSAVER has to be last one since it is ignored by rotate and used to determine count
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// get precise battery voltage (using lookup table)
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float getBatteryVoltage();
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// get battery charge level in percent (using lookup table as discharge curve)
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float getBatteryPercent();
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// function to select one of the defined status screens which are shown on display when not in MENU mode
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void display_selectStatusPage(displayStatusPage_t newStatusPage);
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// select next/previous status screen to be shown, when noRotate is set is stays at first/last screen
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void display_rotateStatusPage(bool reverseDirection = false, bool noRotate = false);
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//task that inititialized the display, displays welcome message
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//and releatedly updates the display with certain content
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void display_task( void * pvParameters );
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//abstracted function for printing one line on the display, using a format string directly
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//and options: Large-font (3 lines, max 5 digits), or inverted color
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void displayTextLine(SSD1306_t *display, int line, bool large, bool inverted, const char *format, ...);
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//abstracted function for printing a string CENTERED on the display, using a format string
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//adds spaces left and right to fill the line (if not too long already)
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void displayTextLineCentered(SSD1306_t *display, int line, bool isLarge, bool inverted, const char *format, ...); |