feat: implement the timer based datetime

Within this commit, we enable the clock to track the time using the
kernel timers in Zephyr. It is neccessary since counters and RTCs are
not supported in the Zephyr's SDK.

Author: electricalgorithm

CMakeLists.txt

@@ -1,4 +1,5 @@
 set(BOARD esp32s3_touch_lcd_1_28/esp32s3/procpu)
+set(DTC_OVERLAY_FILE boards/esp32.overlay)
 
 cmake_minimum_required(VERSION 3.20.0)
 find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
@@ -7,5 +8,4 @@ project(Esp32SmartWatch)
 file(GLOB_RECURSE app_sources src/*.c)
 
 target_sources(app PRIVATE ${app_sources})
-target_include_directories(app PRIVATE inc)
-
+target_include_directories(app PRIVATE src/)

README.md

@@ -0,0 +1,2 @@
+west build -p always . --board esp32s3_touch_lcd_1_28/esp32s3/procpu
+west blobs fetch hal_espressif

boards/esp32.overlay

@@ -0,0 +1,3 @@
+&timer0 {
+    status = "okay";
+};

prj.conf

@@ -1,8 +1,3 @@
-# Important for LVGL to work.
-CONFIG_MAIN_STACK_SIZE=4096
-CONFIG_LV_MEM_CUSTOM=y
-CONFIG_LV_Z_MEM_POOL_SIZE=16384
-
 # Display Configurations
 CONFIG_DISPLAY=y
 CONFIG_DISPLAY_LOG_LEVEL_ERR=y
@@ -20,40 +15,52 @@ CONFIG_LV_USE_LOG=n
 CONFIG_LVGL=y
 CONFIG_LV_FONT_MONTSERRAT_46=y
 CONFIG_LV_FONT_MONTSERRAT_18=y
+# Important for LVGL to work.
+CONFIG_MAIN_STACK_SIZE=4096
+# CONFIG_LV_MEM_CUSTOM=y
+CONFIG_LV_Z_MEM_POOL_SIZE=16384
 
 # PWM Configurations
 CONFIG_PWM=y
 
 # Bluetooth Configurations
-CONFIG_BT=y
-CONFIG_BT_PERIPHERAL=y
-CONFIG_BT_SETTINGS=y
-CONFIG_BT_DEVICE_NAME="ZephyrWatch"
-CONFIG_BT_SMP=y
-CONFIG_BT_SIGNING=y
-CONFIG_BT_KEYS_OVERWRITE_OLDEST=y
-CONFIG_BT_PRIVACY=y
+# CONFIG_BT=y
+# CONFIG_BT_PERIPHERAL=y
+# CONFIG_BT_SETTINGS=y
+# CONFIG_BT_DEVICE_NAME="ZephyrWatch"
+# CONFIG_BT_SMP=y
+# CONFIG_BT_SIGNING=y
+# CONFIG_BT_KEYS_OVERWRITE_OLDEST=y
+# CONFIG_BT_PRIVACY=y
 
 # Bluetooth GATT Device Information Service Configuration
-CONFIG_BT_DIS=y
-CONFIG_BT_DIS_PNP=n
-CONFIG_BT_DIS_MODEL="ZephyrWatch_001"
-CONFIG_BT_DIS_MANUF="github.com/electricalgorithm"
-CONFIG_BT_DIS_SERIAL_NUMBER=y
-CONFIG_BT_DIS_FW_REV=y
-CONFIG_BT_DIS_HW_REV=y
-CONFIG_BT_DIS_SW_REV=y
-CONFIG_BT_DIS_SERIAL_NUMBER_STR="0.0.1"
-CONFIG_BT_DIS_FW_REV_STR="0.0.1"
-CONFIG_BT_DIS_HW_REV_STR="0.0.1"
-CONFIG_BT_DIS_SW_REV_STR="0.0.1"
-CONFIG_BT_DIS_SETTINGS=y
-CONFIG_BT_DIS_STR_MAX=21
+# CONFIG_BT_DIS=y
+# CONFIG_BT_DIS_PNP=n
+# CONFIG_BT_DIS_MODEL="ZephyrWatch_001"
+# CONFIG_BT_DIS_MANUF="github.com/electricalgorithm"
+# CONFIG_BT_DIS_SERIAL_NUMBER=y
+# CONFIG_BT_DIS_FW_REV=y
+# CONFIG_BT_DIS_HW_REV=y
+# CONFIG_BT_DIS_SW_REV=y
+# CONFIG_BT_DIS_SERIAL_NUMBER_STR="0.0.1"
+# CONFIG_BT_DIS_FW_REV_STR="0.0.1"
+# CONFIG_BT_DIS_HW_REV_STR="0.0.1"
+# CONFIG_BT_DIS_SW_REV_STR="0.0.1"
+# CONFIG_BT_DIS_SETTINGS=y
+# CONFIG_BT_DIS_STR_MAX=21
 
 # Flash Configurations
 CONFIG_FLASH=y
 CONFIG_FLASH_MAP=y
 CONFIG_NVS=y
 
+# Counter
+CONFIG_TIMER=y
+
 # RTC
-CONFIG_RTC=y
+# CONFIG_RTC=y
+# CONFIG_CLOCK_CONTROL=y
+# CONFIG_CLOCK_CONTROL_ESP32=y
+# CONFIG_RTC_ALARM=y
+# CONFIG_RTC_UPDATE=y
+# CONFIG_RTC_CALIBRATION=y

src/bluetooth/bluetooth_infra.c

@@ -0,0 +1,17 @@
+#include "lvgl.h"
+#include "display/display.h"
+
+
+void display_init() {
+    lv_disp_t *display = lv_disp_get_default();
+    lv_theme_t *theme = lv_theme_default_init(
+        display,
+        lv_palette_main(LV_PALETTE_BLUE),
+        lv_palette_main(LV_PALETTE_RED),
+        true,
+        LV_FONT_DEFAULT
+    );
+    lv_disp_set_theme(display, theme);
+    home_screen_init();
+    lv_disp_load_scr(home_screen);
+}

src/bluetooth/bluetooth_infra.h

@@ -0,0 +1,17 @@
+#ifndef _SMART_WATCH_UI_UI_H
+#define _SMART_WATCH_UI_UI_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "lvgl.h"
+#include "display/screens/home/home.h"
+
+void display_init();
+
+#ifdef __cplusplus
+} // extern "C"
+#endif
+
+#endif