Corrected a bad case where the return value could be void instead of the expected bool

README.md

@@ -69,8 +69,8 @@ Possible choices :
 ||PA_7|I/O|**PWM4**/LSPI_MOSI/I²S_MCK/I²S_DI/Touch0|U/D|**LCD backlight N-MOSFET driver**||
 ||VDD3V3IO|P|IO power supply, 3.3V||||
 ||PB_0|**I/O**|PWM0/LSPI_MISO/UART3_TX/PSRAM_CK/Touch3|U/D|**Battery resistor voltage divider enable**||
-||PB_1|I/O|PWM1/LSPI_CK/UART3_RX/PSRAM_CS/Touch4|U/D|||
-||PB_2|I/O|PWM2/LSPI_CK/**UART2_TX**/PSRAM_D0/Touch5|U/D|**Serial output for debug**||
+||PB_1|**I/O**|PWM1/LSPI_CK/UART3_RX/PSRAM_CS/Touch4|U/D|**Touch Panel IRQ line**||
+||PB_2|I/O|PWM2/LSPI_CK/**UART2_TX**/PSRAM_D0/Touch5|U/D|**Debug UART serial output**||
 ||PB_3|I/O|PWM3/LSPI_MISO/UART2_RX/PSRAM_D1/Touch6|U/D|||
 ||PB_4|I/O|LSPI_CS/UART2_RTS/UART4_TX/PSRAM_D2/Touch7|U/D|||
 ||PB_5|I/O|LSPI_MOSI/UART2_CTS/UART4_RX/PSRAM_D3/Touch8|U/D|||

src/W800 SDK v1.00.08/app/app_config.h

@@ -1,13 +1,17 @@
 #ifndef APPCONFIG_H
 #define APPCONFIG_H
 
-/*
-* This file contains all the configuration parameters linked to the main application.
-*/
+#include "wm_gpio.h"
 
-/*
-* Define which logs to display :
-*/
+/**
+ * @brief This file contains all the configuration parameters linked to the main application.
+ * 
+ */
+
+/**
+ * @brief Define which kind of logs to display :
+ * 
+ */
 
 #define LOG_ENABLE_ERROR     (1)
 #define LOG_ENABLE_WARNING   (1)
@@ -15,4 +19,44 @@
 #define LOG_ENABLE_TRACE     (1)
 #define LOG_ENABLE_DEBUG     (1)
 
+/**
+ * @brief Define the hardware pin mapping for all the components :
+ * i2c
+ * lcd display
+ * touch panel
+ * debug uart
+ */
+
+/**
+ * @brief i2c
+ * 
+ */
+#define I2C_SCL WM_IO_PA_01
+#define I2C_SDA WM_IO_PA_04
+
+/**
+ * @brief lcd display
+ * 
+ */
+#define LCD_ROTATION    0
+#define LCD_CLOCK_CLOCK   WM_IO_PB_06
+#define LCD_DATA_LINE    WM_IO_PB_07
+#define LCD_CHIP_SELECT WM_IO_PB_10
+#define LCD_DATA_COMMAND WM_IO_PB_08
+#define LCD_RESET   WM_IO_PB_09
+#define LCD_PWM_BACKLIGHT   WM_IO_PA_07
+#define LCD_PWM_CHANNEL 4
+
+/**
+ * @brief lcd touch panel
+ * 
+ */
+#define LCD_TOUCH_PANEL_IRQ     WM_IO_PB_00
+
+/**
+ * @brief debug uart
+ * 
+ */
+#define DEBUG_UART_TX   WM_IO_PB_02
+
 #endif //APPCONFIG_H

src/W800 SDK v1.00.08/app/gfx/compass_screen.c

@@ -142,7 +142,7 @@ bool compass_screen_is_in_use(CompassScreen_t *const compassScreen)
     if(!compassScreen)
     {
         LV_LOG_ERROR("NULL pointer given !");
-        return;
+        return false;
     }
 
     return compassScreen->display != NULL;

src/W800 SDK v1.00.08/lvgl/lvgl_port/lv_port_indev.c

@@ -0,0 +1,123 @@
+/**
+ * @file lv_port_indev_templ.c
+ *
+ */
+
+/*Copy this file as "lv_port_indev.c" and set this value to "1" to enable content*/
+#if 1
+
+/*********************
+ *      INCLUDES
+ *********************/
+#include "lv_port_indev.h"
+#include "wm_gpio.h"
+#include "app_config.h"
+#include "CST816D.h"
+
+/*********************
+ *      DEFINES
+ *********************/
+
+/**********************
+ *      TYPEDEFS
+ **********************/
+
+/**********************
+ *  STATIC PROTOTYPES
+ **********************/
+static void touchpad_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data);
+
+/**********************
+ *  STATIC VARIABLES
+ **********************/
+static lv_indev_t * indev_touchpad;
+
+/**********************
+ *      MACROS
+ **********************/
+
+/**********************
+ *   LOCAL FUNCTIONS
+ **********************/
+static void touch_panel_isr(void *arg)
+{
+    CST816D_Touch_Data_t *p = arg;
+    tls_clr_gpio_irq_status(LCD_TOUCH_PANEL_IRQ);
+    CST816D_read_touch_event(p);
+}
+/**********************
+ *   GLOBAL FUNCTIONS
+ **********************/
+
+void lv_port_indev_init(void)
+{
+    /**
+     * Here you will find example implementation of input devices supported by LittelvGL:
+     *  - Touchpad
+     *  - Mouse (with cursor support)
+     *  - Keypad (supports GUI usage only with key)
+     *  - Encoder (supports GUI usage only with: left, right, push)
+     *  - Button (external buttons to press points on the screen)
+     *
+     *  The `..._read()` function are only examples.
+     *  You should shape them according to your hardware
+     */
+
+    static lv_indev_drv_t indev_drv;
+    static CST816D_Touch_Data_t CST816D_Touch_Data;
+
+    /*------------------
+     * Touchpad
+     * -----------------*/
+
+    /*Initialize your touchpad if you have*/
+    // Let's configure the needed interrupt pin to detect and read touch screen events
+    tls_gpio_cfg(LCD_TOUCH_PANEL_IRQ, WM_GPIO_DIR_INPUT, WM_GPIO_ATTR_PULLHIGH);
+    tls_gpio_isr_register(LCD_TOUCH_PANEL_IRQ, &(touch_panel_isr), &CST816D_Touch_Data);
+    tls_gpio_irq_enable(LCD_TOUCH_PANEL_IRQ, WM_GPIO_IRQ_TRIG_FALLING_EDGE);
+
+    memset(&CST816D_Touch_Data, 0, sizeof CST816D_Touch_Data);
+
+    /*Register a touchpad input device*/
+    lv_indev_drv_init(&indev_drv);
+    indev_drv.type = LV_INDEV_TYPE_POINTER;
+    indev_drv.read_cb = touchpad_read;
+    indev_drv.user_data = &CST816D_Touch_Data;
+    indev_touchpad = lv_indev_drv_register(&indev_drv);
+}
+
+/**********************
+ *   STATIC FUNCTIONS
+ **********************/
+
+/*------------------
+ * Touchpad
+ * -----------------*/
+
+static void touchpad_read(lv_indev_drv_t * indev_drv, lv_indev_data_t * data)
+{
+    static lv_coord_t last_x = 0;
+    static lv_coord_t last_y = 0;
+
+    CST816D_Touch_Data_t *p = indev_drv->user_data;
+
+    // Save the pressed coordinates and the state
+    if(p->isValid && p->event == CST816D_Event_Pressed) {
+        last_x = p->touch_x;
+        last_y = p->touch_y;
+        data->state = LV_INDEV_STATE_PR;
+    }
+    else {
+        data->state = LV_INDEV_STATE_REL;
+    }
+
+    // Set the last pressed coordinates
+    data->point.x = 239-last_x;
+    data->point.y = 239-last_y;
+}
+
+#else /*Enable this file at the top*/
+
+/*This dummy typedef exists purely to silence -Wpedantic.*/
+typedef int keep_pedantic_happy;
+#endif