121 lines
3.4 KiB
C
121 lines
3.4 KiB
C
/**
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* @file AD_touch.h
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*
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*/
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#ifndef AD_TOUCH_H
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#define AD_TOUCH_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#ifndef LV_DRV_NO_CONF
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#ifdef LV_CONF_INCLUDE_SIMPLE
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#include "lv_drv_conf.h"
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#else
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#include "../../lv_drv_conf.h"
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#endif
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#endif
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#if USE_AD_TOUCH
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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 _SUPPRESS_PLIB_WARNING
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#include <plib.h>
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#include "GenericTypeDefs.h"
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#define DISP_ORIENTATION 0
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#define DISP_HOR_RESOLUTION 320
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#define DISP_VER_RESOLUTION 240
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/*GetMaxX Macro*/
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#if (DISP_ORIENTATION == 90) || (DISP_ORIENTATION == 270)
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#define GetMaxX() (DISP_VER_RESOLUTION - 1)
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#elif (DISP_ORIENTATION == 0) || (DISP_ORIENTATION == 180)
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#define GetMaxX() (DISP_HOR_RESOLUTION - 1)
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#endif
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/*GetMaxY Macro*/
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#if (DISP_ORIENTATION == 90) || (DISP_ORIENTATION == 270)
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#define GetMaxY() (DISP_HOR_RESOLUTION - 1)
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#elif (DISP_ORIENTATION == 0) || (DISP_ORIENTATION == 180)
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#define GetMaxY() (DISP_VER_RESOLUTION - 1)
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#endif
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/*********************************************************************
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* HARDWARE PROFILE FOR THE RESISTIVE TOUCHSCREEN
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*********************************************************************/
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#define TOUCH_ADC_INPUT_SEL AD1CHS
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// ADC Sample Start
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#define TOUCH_ADC_START AD1CON1bits.SAMP
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// ADC Status
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#define TOUCH_ADC_DONE AD1CON1bits.DONE
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#define RESISTIVETOUCH_ANALOG 1
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#define RESISTIVETOUCH_DIGITAL 0
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// ADC channel constants
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#define ADC_XPOS ADC_CH0_POS_SAMPLEA_AN12
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#define ADC_YPOS ADC_CH0_POS_SAMPLEA_AN13
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// ADC Port Control Bits
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#define ADPCFG_XPOS AD1PCFGbits.PCFG12 //XR
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#define ADPCFG_YPOS AD1PCFGbits.PCFG13 //YD
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// X port definitions
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#define ResistiveTouchScreen_XPlus_Drive_High() LATBbits.LATB12 = 1
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#define ResistiveTouchScreen_XPlus_Drive_Low() LATBbits.LATB12 = 0 //LAT_XPOS
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#define ResistiveTouchScreen_XPlus_Config_As_Input() TRISBbits.TRISB12 = 1 //TRIS_XPOS
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#define ResistiveTouchScreen_XPlus_Config_As_Output() TRISBbits.TRISB12 = 0
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#define ResistiveTouchScreen_XMinus_Drive_High() LATFbits.LATF0 = 1
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#define ResistiveTouchScreen_XMinus_Drive_Low() LATFbits.LATF0 = 0 //LAT_XNEG
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#define ResistiveTouchScreen_XMinus_Config_As_Input() TRISFbits.TRISF0 = 1 //TRIS_XNEG
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#define ResistiveTouchScreen_XMinus_Config_As_Output() TRISFbits.TRISF0 = 0
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// Y port definitions
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#define ResistiveTouchScreen_YPlus_Drive_High() LATBbits.LATB13 = 1
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#define ResistiveTouchScreen_YPlus_Drive_Low() LATBbits.LATB13 = 0 //LAT_YPOS
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#define ResistiveTouchScreen_YPlus_Config_As_Input() TRISBbits.TRISB13 = 1 //TRIS_YPOS
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#define ResistiveTouchScreen_YPlus_Config_As_Output() TRISBbits.TRISB13 = 0
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#define ResistiveTouchScreen_YMinus_Drive_High() LATFbits.LATF1 = 1
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#define ResistiveTouchScreen_YMinus_Drive_Low() LATFbits.LATF1 = 0 //LAT_YNEG
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#define ResistiveTouchScreen_YMinus_Config_As_Input() TRISFbits.TRISF1 = 1 //TRIS_YNEG
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#define ResistiveTouchScreen_YMinus_Config_As_Output() TRISFbits.TRISF1 = 0
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// Default calibration points
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#define TOUCHCAL_ULX 0x0348
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#define TOUCHCAL_ULY 0x00CC
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#define TOUCHCAL_URX 0x00D2
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#define TOUCHCAL_URY 0x00CE
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#define TOUCHCAL_LLX 0x034D
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#define TOUCHCAL_LLY 0x0335
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#define TOUCHCAL_LRX 0x00D6
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#define TOUCHCAL_LRY 0x032D
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void ad_touch_init(void);
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bool ad_touch_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data);
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int16_t ad_touch_handler(void);
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#endif /* USE_AD_TOUCH */
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* AD_TOUCH_H */
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