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Touch-select MarlinUI menu items (#18239)

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This commit is contained in:
Victor
2020-06-11 18:13:52 -03:00
committed by GitHub
parent fe969ec6d3
commit c6f3511d84
3 changed files with 49 additions and 6 deletions
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28
Marlin/src/feature/touch/xpt2046.cpp
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@ -23,6 +23,12 @@
#include "xpt2046.h"
#include "../../inc/MarlinConfig.h"
#include "../../lcd/dogm/ultralcd_DOGM.h" // for LCD_FULL_PIXEL_WIDTH, etc.
#define BUTTON_AREA_TOP 175
#define BUTTON_AREA_BOT 234
#define SCREEN_START_TOP ((LCD_PIXEL_OFFSET_Y) * 240 / (LCD_FULL_PIXEL_HEIGHT))
#define TOUCHABLE_Y_HEIGHT (BUTTON_AREA_TOP - (SCREEN_START_TOP))
#ifndef TOUCH_INT_PIN
#define TOUCH_INT_PIN -1
@ -78,13 +84,23 @@ uint8_t XPT2046::read_buttons() {
y = uint16_t(((uint32_t(getInTouch(XPT2046_Y))) * tsoffsets[2]) >> 16) + tsoffsets[3];
if (!isTouched()) return 0; // Fingers must still be on the TS for a valid read.
if (y < 175 || y > 234) return 0;
// Touch within the button area simulates an encoder button
if (y > BUTTON_AREA_TOP && y < BUTTON_AREA_BOT)
return WITHIN(x, 14, 77) ? EN_D
: WITHIN(x, 90, 153) ? EN_A
: WITHIN(x, 166, 229) ? EN_B
: WITHIN(x, 242, 305) ? EN_C
: 0;
return WITHIN(x, 14, 77) ? EN_D
: WITHIN(x, 90, 153) ? EN_A
: WITHIN(x, 166, 229) ? EN_B
: WITHIN(x, 242, 305) ? EN_C
: 0;
if (x > LCD_FULL_PIXEL_WIDTH || !WITHIN(y, SCREEN_START_TOP, BUTTON_AREA_TOP)) return 0;
// Column and row above BUTTON_AREA_TOP
int8_t col = x * (LCD_WIDTH) / (LCD_FULL_PIXEL_WIDTH),
row = (y - (SCREEN_START_TOP)) * (LCD_HEIGHT) / (TOUCHABLE_Y_HEIGHT);
// Send the touch to the UI (which will simulate the encoder wheel)
MarlinUI::screen_click(row, col, x, y);
return 0;
}
bool XPT2046::isTouched() {