diff --git a/CMakeLists.txt b/CMakeLists.txt
index 43bedeb..1ab854c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,6 +1,7 @@
 # The following lines of boilerplate have to be in your project's CMakeLists
 # in this exact order for cmake to work correctly
 cmake_minimum_required(VERSION 3.16)
+set(PROJECT_VER "v1.0.0")
 
 include($ENV{IDF_PATH}/tools/cmake/project.cmake)
 project(can_wizard)
diff --git a/main/cmd_can.h b/main/cmd_can.h
index 1e4528c..f499663 100644
--- a/main/cmd_can.h
+++ b/main/cmd_can.h
@@ -13,7 +13,7 @@ static const twai_general_config_t default_g_config = {
     .rx_queue_len = 10,
     .alerts_enabled = TWAI_ALERT_ERR_ACTIVE | TWAI_ALERT_BUS_RECOVERED | TWAI_ALERT_BUS_ERROR | TWAI_ALERT_ERR_PASS | TWAI_ALERT_BUS_OFF,
     .clkout_divider = 0,
-    .intr_flags = ESP_INTR_FLAG_LEVEL1,
+    .intr_flags = ESP_INTR_FLAG_IRAM,
 };
 
 // functions
diff --git a/partitions.csv b/partitions.csv
index 942d31a..04ec0af 100644
--- a/partitions.csv
+++ b/partitions.csv
@@ -2,6 +2,6 @@
 # Note: if you have increased the bootloader size, make sure to update the offsets to avoid overlap
 nvs,      data, nvs,     0x9000,  0x6000,
 phy_init, data, phy,     0xf000,  0x1000,
-factory,  app,  factory, 0x10000, 1M,
+factory,  app,  factory, 0x10000, 0x60000,
 # rename subtype to littlefs after updating to v5.2
-storage,  data, spiffs,      ,  0xF0000,
+storage,  data, spiffs,      ,  0x20000,
diff --git a/sdkconfig.defaults b/sdkconfig.defaults
index 44a53d7..3dbba4f 100644
--- a/sdkconfig.defaults
+++ b/sdkconfig.defaults
@@ -1,9 +1,11 @@
-# Part table + fs
+# Part table + fs + flash
 CONFIG_PARTITION_TABLE_CUSTOM=y
 CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions.csv"
 CONFIG_PARTITION_TABLE_FILENAME="partitions.csv"
+CONFIG_ESPTOOLPY_FLASHSIZE_1MB=y
 CONFIG_ESPTOOLPY_HEADER_FLASHSIZE_UPDATE=y
 
+
 # UART
 CONFIG_ESP_CONSOLE_USB_SERIAL_JTAG=y
 CONFIG_ESP_CONSOLE_SECONDARY_NONE=y
@@ -28,3 +30,18 @@ CONFIG_ESP_TASK_WDT_EN=y
 CONFIG_ESP_TASK_WDT_INIT=y
 CONFIG_ESP_TASK_WDT_TIMEOUT_S=15
 
+# LittleFS
+CONFIG_LITTLEFS_FLUSH_FILE_EVERY_WRITE=y
+CONFIG_LITTLEFS_USE_MTIME=n
+
+# Compiling and logs
+CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_BOOTLOADER_LOG_LEVEL_ERROR=y
+CONFIG_BOOTLOADER_LOG_LEVEL=1
+CONFIG_COMPILER_OPTIMIZATION_PERF=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT=y
+CONFIG_COMPILER_OPTIMIZATION_CHECKS_SILENT=y
+
+# TWAI
+CONFIG_TWAI_ISR_IN_IRAM=y
+