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Add GT911 using esp_lcd_touch_gt911

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This commit is contained in:
martinberlin 2023-09-03 00:20:11 +02:00
parent 9445dab325
commit 5ffb67f193
8 changed files with 92 additions and 149 deletions
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41
lvgl_touch/gt911.h
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@ -22,7 +22,6 @@
#define __GT911_H
#include <stdint.h>
#include <stdbool.h>
#ifdef LV_LVGL_H_INCLUDE_SIMPLE
#include "lvgl.h"
#else
@ -33,46 +32,6 @@
extern "C" {
#endif
#define GT911_I2C_SLAVE_ADDR 0x5D
#define GT911_PRODUCT_ID_LEN 4
/* Register Map of GT911 */
#define GT911_PRODUCT_ID1 0x8140
#define GT911_PRODUCT_ID2 0x8141
#define GT911_PRODUCT_ID3 0x8142
#define GT911_PRODUCT_ID4 0x8143
#define GT911_FIRMWARE_VER_L 0x8144
#define GT911_FIRMWARE_VER_H 0x8145
#define GT911_X_COORD_RES_L 0x8146
#define GT911_X_COORD_RES_H 0x8147
#define GT911_Y_COORD_RES_L 0x8148
#define GT911_Y_COORD_RES_H 0x8149
#define GT911_VENDOR_ID 0x814A
#define GT911_STATUS_REG 0x814E
#define GT911_STATUS_REG_BUF 0x80
#define GT911_STATUS_REG_LARGE 0x40
#define GT911_STATUS_REG_PROX_VALID 0x20
#define GT911_STATUS_REG_HAVEKEY 0x10
#define GT911_STATUS_REG_PT_MASK 0x0F
#define GT911_TRACK_ID1 0x814F
#define GT911_PT1_X_COORD_L 0x8150
#define GT911_PT1_X_COORD_H 0x8151
#define GT911_PT1_Y_COORD_L 0x8152
#define GT911_PT1_Y_COORD_H 0x8153
#define GT911_PT1_X_SIZE_L 0x8154
#define GT911_PT1_X_SIZE_H 0x8155
typedef struct {
bool inited;
char product_id[GT911_PRODUCT_ID_LEN];
uint16_t max_x_coord;
uint16_t max_y_coord;
uint8_t i2c_dev_addr;
} gt911_status_t;
/**
* @brief Initialize for GT911 communication via I2C
* @param dev_addr: Device address on communication Bus (I2C slave address of GT911).