80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
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/**
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* @file ADCRAW.h
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*/
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#ifndef ADCRAW_H
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#define ADCRAW_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <stdbool.h>
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#include "driver/gpio.h"
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#include "driver/adc.h"
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#ifdef LV_LVGL_H_INCLUDE_SIMPLE
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#include "lvgl.h"
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#else
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#include "lvgl/lvgl.h"
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#endif
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#define TOUCHSCREEN_RESISTIVE_PIN_YU CONFIG_LV_TOUCHSCREEN_RESSITIVE_PIN_YU // Y+ any gpio
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#define TOUCHSCREEN_RESISTIVE_PIN_YD CONFIG_LV_TOUCHSCREEN_RESISTIVE_PIN_YD // Y- also ADC
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#define TOUCHSCREEN_RESISTIVE_PIN_XL CONFIG_LV_TOUCHSCREEN_RESISTIVE_PIN_XL // X- any gpio
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#define TOUCHSCREEN_RESISTIVE_PIN_XR CONFIG_LV_TOUCHSCREEN_RESISTIVE_PIN_XR // X+ also ADC
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// Default calibration points
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#define TOUCHCAL_ULX 29 // Upper Left X
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#define TOUCHCAL_ULY 84 // Upper Left Y
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#define TOUCHCAL_URX 828 // Upper Right X
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#define TOUCHCAL_URY 60 // Upper Right Y
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#define TOUCHCAL_LLX 29 // Lower Left X
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#define TOUCHCAL_LLY 928 // Lower Left Y
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#define TOUCHCAL_LRX 828 // Lower Right X
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#define TOUCHCAL_LRY 928 // Lower Right Y
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#define TOUCHSCREEN_RESISTIVE_PRESS_THRESHOLD 1023
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/*GetMaxX Macro*/
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#if CONFIG_LV_DISPLAY_ORIENTATION_LANDSCAPE
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#define GetMaxX() (CONFIG_LV_DISPLAY_WIDTH - 1)
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#else
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#define GetMaxX() (CONFIG_LV_DISPLAY_HEIGHT - 1)
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#endif
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/*GetMaxY Macro*/
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#if CONFIG_LV_DISPLAY_ORIENTATION_LANDSCAPE
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#define GetMaxY() (CONFIG_LV_DISPLAY_HEIGHT - 1)
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#else
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#define GetMaxY() (CONFIG_LV_DISPLAY_WIDTH - 1)
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#endif
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#ifndef CONCAT3
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#define _CONCAT3(a,b,c) a ## b ## c
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#define CONCAT3(a,b,c) _CONCAT3(a,b,c)
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#endif
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#define GPIO_TO_ADC_ELEMENT(x) [x] = CONCAT3(ADC1_GPIO, x, _CHANNEL)
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typedef enum {
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IDLE,
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SET_X,
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SET_Y,
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SET_Z1,
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SET_Z2,
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READ_X,
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READ_Y,
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READ_Z1,
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READ_Z2
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} TOUCH_STATES;
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void adcraw_init(void);
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bool adcraw_read(lv_indev_drv_t * drv, lv_indev_data_t * data);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* ADCRAW_H */
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