#3 Start adding L58: Find a way to instantiate existing class or refactor it to C

CMakeLists.txt

@@ -62,6 +62,8 @@ if(CONFIG_LV_TOUCH_CONTROLLER)
         list(APPEND SOURCES "lvgl_touch/xpt2046.c")
     elseif(CONFIG_LV_TOUCH_CONTROLLER_FT6X06)
         list(APPEND SOURCES "lvgl_touch/ft6x36.c")
+    elseif(CONFIG_LV_TOUCH_CONTROLLER_L58)
+        list(APPEND SOURCES "lvgl_touch/l58.cpp")
     elseif(CONFIG_LV_TOUCH_CONTROLLER_STMPE610)
         list(APPEND SOURCES "lvgl_touch/stmpe610.c")
     elseif(CONFIG_LV_TOUCH_CONTROLLER_ADCRAW)

lvgl_helpers.c

@@ -147,19 +147,21 @@ void lvgl_driver_init(void)
         
         touch_driver_init();
     #elif defined (CONFIG_LV_TOUCH_DRIVER_PROTOCOL_I2C)
+        // Why initializing this when I said is only CONFIG_LV_TOUCH_DRIVER_DISPLAY
         ESP_LOGI(TAG, "Initializing I2C master for touch");
         
         lvgl_i2c_driver_init(TOUCH_I2C_PORT,
             TOUCH_I2C_SDA, TOUCH_I2C_SCL,
-            TOUCH_I2C_SPEED_HZ);
+            TOUCH_I2C_SPEED_HZ); 
         
         touch_driver_init();
     #elif defined (CONFIG_LV_TOUCH_DRIVER_ADC)
         touch_driver_init();
-    #elif defined (CONFIG_LV_TOUCH_DRIVER_DISPLAY)
+    #elif defined (CONFIG_LV_TOUCH_DRIVER_DISPLAY) || defined (CONFIG_LV_TOUCH_CONTROLLER_L58)
         touch_driver_init();
     #else
-    #error "No protocol defined for touch controller"
+       #error "No protocol defined for touch controller"
+      
     #endif
 #else
 #endif

lvgl_touch/Kconfig

@@ -9,7 +9,7 @@ menu "LVGL Touch controller"
         default 4 if LV_TOUCH_CONTROLLER_ADCRAW
         default 5 if LV_TOUCH_CONTROLLER_FT81X
         default 6 if LV_TOUCH_CONTROLLER_RA8875
-
+        default 7 if LV_TOUCH_CONTROLLER_L58
     choice
 	prompt "Select a touch panel controller model."
 	default LV_TOUCH_CONTROLLER_NONE
@@ -24,6 +24,12 @@ menu "LVGL Touch controller"
 	config LV_TOUCH_CONTROLLER_FT6X06
             select LV_TOUCH_DRIVER_PROTOCOL_I2C
             bool "FT6X06"
+    
+	config LV_TOUCH_CONTROLLER_L58
+    # Start only touch without protocol:
+            select CONFIG_LV_TOUCH_DRIVER_DISPLAY
+            bool "L58"
+
         config LV_TOUCH_CONTROLLER_STMPE610
             select LV_TOUCH_DRIVER_PROTOCOL_SPI
             bool "STMPE610"
@@ -90,6 +96,37 @@ menu "LVGL Touch controller"
             bool "FSPI" if IDF_TARGET_ESP32S2
         endchoice
     
+    menu "Touchpanel (L58) Lilygo Pin Assignments"
+        depends on LV_TOUCH_CONTROLLER_L58
+
+        config LV_TOUCH_I2C_SDA
+            int
+            prompt "GPIO for SDA (I2C)"
+            range 0 39 if IDF_TARGET_ESP32
+            range 0 43 if IDF_TARGET_ESP32S2
+
+            default 15
+            help
+            Configure the I2C touchpanel SDA pin here.
+
+        config LV_TOUCH_I2C_SCL
+            int "GPIO for clock signal SCL (I2C)"
+            range 0 39 if IDF_TARGET_ESP32
+            range 0 43 if IDF_TARGET_ESP32S2
+            
+            default 14
+            help
+            Configure the I2C touchpanel SCL pin here.
+        config LV_TOUCH_INT
+            int "GPIO for Interrupt pin (INT)"
+            range 0 39 if IDF_TARGET_ESP32
+            range 0 43 if IDF_TARGET_ESP32S2
+            
+            default 13
+            help
+            Configure the INT Pin (Low on event)
+    endmenu
+
     menu "Touchpanel (XPT2046) Pin Assignments"
         depends on LV_TOUCH_CONTROLLER_XPT2046
 

lvgl_touch/l58.cpp

@@ -0,0 +1,55 @@
+/*
+* Copyright © 2020 Martin Fasani
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this 
+* software and associated documentation files (the “Software”), to deal in the Software 
+* without restriction, including without limitation the rights to use, copy, modify, merge, 
+* publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons 
+* to whom the Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or 
+* substantial portions of the Software.
+* 
+* THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
+* PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 
+* FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
+* SOFTWARE.
+*/
+
+#include <esp_log.h>
+#include <driver/i2c.h>
+#ifdef LV_LVGL_H_INCLUDE_SIMPLE
+#include <lvgl.h>
+#else
+#include <lvgl/lvgl.h>
+#endif
+#include "l58.h"
+#include "tp_i2c.h"
+#include "../lvgl_i2c_conf.h"
+
+#define TAG "L58"
+
+
+
+/**
+  * @brief  Initialize for FT6x36 communication via I2C
+  * @param  dev_addr: Device address on communication Bus (I2C slave address of FT6X36).
+  * @retval None
+  */
+void l58_init(uint16_t dev_addr) {
+  ESP_LOGI(TAG, "l58_init()");
+
+}
+
+/**
+  * @brief  Get the touch screen X and Y positions values. Ignores multi touch
+  * @param  drv:
+  * @param  data: Store data here
+  * @retval Always false
+  */
+bool l58_read(lv_indev_drv_t *drv, lv_indev_data_t *data) {
+    //printf("Touch event %d\n", gpio_get_level(CONFIG_LV_TOUCH_INT)); // Working
+    
+    return false;
+}

lvgl_touch/l58.h

@@ -0,0 +1,58 @@
+#ifndef __L58_H
+/*
+* Copyright © 2020 Martin Fasani. Refectored from original driver in https://github.com/martinberlin/FT6X36-IDF (C++)
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this 
+* software and associated documentation files (the “Software”), to deal in the Software 
+* without restriction, including without limitation the rights to use, copy, modify, merge, 
+* publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons 
+* to whom the Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or 
+* substantial portions of the Software.
+* 
+* THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, 
+* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR 
+* PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE 
+* FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 
+* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
+* SOFTWARE.
+*/
+
+#define __L58_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "freertos/semphr.h"
+
+#ifdef LV_LVGL_H_INCLUDE_SIMPLE
+#include "lvgl.h"
+#else
+#include "lvgl/lvgl.h"
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+  * @brief  Initialize for FT6x36 communication via I2C
+  * @param  dev_addr: Device address on communication Bus (I2C slave address of FT6X36).
+  * @retval None
+  */
+void l58_init(uint16_t dev_addr);
+
+/**
+  * @brief  Get the touch screen X and Y positions values. Ignores multi touch
+  * @param  drv:
+  * @param  data: Store data here
+  * @retval Always false
+  */
+bool l58_read(lv_indev_drv_t *drv, lv_indev_data_t *data);
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* __FT6X06_H */

lvgl_touch/touch_driver.c

@@ -5,7 +5,8 @@
 #include "touch_driver.h"
 #include "tp_spi.h"
 #include "tp_i2c.h"
-
+// Is not being included in CMakeLists.txt (Research why)
+#include "l58.cpp"
 
 void touch_driver_init(void)
 {
@@ -13,6 +14,8 @@ void touch_driver_init(void)
     xpt2046_init();
 #elif defined (CONFIG_LV_TOUCH_CONTROLLER_FT6X06)
     ft6x06_init(FT6236_I2C_SLAVE_ADDR);
+#elif defined (CONFIG_LV_TOUCH_CONTROLLER_L58)
+    // Do nothing for now
 #elif defined (CONFIG_LV_TOUCH_CONTROLLER_STMPE610)
     stmpe610_init();
 #elif defined (CONFIG_LV_TOUCH_CONTROLLER_ADCRAW)
@@ -32,6 +35,9 @@ bool touch_driver_read(lv_indev_drv_t *drv, lv_indev_data_t *data)
     res = xpt2046_read(drv, data);
 #elif defined (CONFIG_LV_TOUCH_CONTROLLER_FT6X06)
     res = ft6x36_read(drv, data);
+#elif defined (CONFIG_LV_TOUCH_CONTROLLER_L58)
+    res = l58_read(drv, data);
+
 #elif defined (CONFIG_LV_TOUCH_CONTROLLER_STMPE610)
     res = stmpe610_read(drv, data);
 #elif defined (CONFIG_LV_TOUCH_CONTROLLER_ADCRAW)