move to espidf + arduino, this reduces flash size a shitload

.gitignore

@@ -3,3 +3,5 @@
 .vscode/c_cpp_properties.json
 .vscode/launch.json
 .vscode/ipch
+sdkconfig**
+!sdkconfig.defaults

CMakeLists.txt

@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 3.16.0)
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(TEF6686_ESP32)

platformio.ini

@@ -6,7 +6,8 @@ platform = espressif32
 upload_speed = 921600
 monitor_speed = 115200
 board = esp32dev
-framework = arduino
+framework = arduino, espidf
+board_build.f_flash = 80000000L
 board_build.partitions = maxapp.csv
 build_flags =
     -Wall
@@ -18,8 +19,8 @@ build_flags =
     -ffunction-sections
     -fdata-sections
     -Wl,--gc-sections
-    -DARDUINO_LOOP_STACK_SIZE=4096
     -Werror
+    -Wno-error=missing-field-initializers
 monitor_filters = 
     esp32_exception_decoder
     default

sdkconfig.defaults

@@ -0,0 +1,50 @@
+CONFIG_APP_EXCLUDE_PROJECT_VER_VAR=y
+CONFIG_APP_EXCLUDE_PROJECT_NAME_VAR=y
+CONFIG_BOOTLOADER_LOG_LEVEL_ERROR=y
+CONFIG_ESPTOOLPY_FLASHFREQ_80M=y
+CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y
+CONFIG_ESPTOOLPY_BEFORE_NORESET=y
+CONFIG_ESPTOOLPY_AFTER_NORESET=y
+CONFIG_PARTITION_TABLE_CUSTOM=y
+CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="maxapp.csv"
+CONFIG_ARDUINO_RUN_CORE0=y
+CONFIG_ARDUINO_SELECTIVE_COMPILATION=y
+# CONFIG_ARDUINO_SELECTIVE_AsyncUDP is not set
+# CONFIG_ARDUINO_SELECTIVE_AzureIoT is not set
+# CONFIG_ARDUINO_SELECTIVE_BLE is not set
+# CONFIG_ARDUINO_SELECTIVE_BluetoothSerial is not set
+# CONFIG_ARDUINO_SELECTIVE_EEPROM is not set
+# CONFIG_ARDUINO_SELECTIVE_FFat is not set
+# CONFIG_ARDUINO_SELECTIVE_HTTPClient is not set
+# CONFIG_ARDUINO_SELECTIVE_LITTLEFS is not set
+# CONFIG_ARDUINO_SELECTIVE_NetBIOS is not set
+# CONFIG_ARDUINO_SELECTIVE_Preferences is not set
+# CONFIG_ARDUINO_SELECTIVE_SD is not set
+# CONFIG_ARDUINO_SELECTIVE_SD_MMC is not set
+# CONFIG_ARDUINO_SELECTIVE_SimpleBLE is not set
+# CONFIG_ARDUINO_SELECTIVE_Ticker is not set
+# CONFIG_ARDUINO_SELECTIVE_Update is not set
+# CONFIG_ARDUINO_SELECTIVE_WiFiClientSecure is not set
+# CONFIG_ARDUINO_SELECTIVE_WiFiProv is not set
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
+CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_DISABLE=y
+CONFIG_ESP32_REV_MIN_1=y
+# CONFIG_ETH_USE_ESP32_EMAC is not set
+# CONFIG_ETH_USE_SPI_ETHERNET is not set
+# CONFIG_ESP_HTTP_CLIENT_ENABLE_HTTPS is not set
+# CONFIG_ESP_HTTP_CLIENT_ENABLE_DIGEST_AUTH is not set
+CONFIG_FREERTOS_HZ=1000
+CONFIG_HAL_ASSERTION_DISABLE=y
+CONFIG_LOG_DEFAULT_LEVEL_ERROR=y
+# CONFIG_LOG_COLORS is not set
+CONFIG_MBEDTLS_PSK_MODES=y
+CONFIG_MBEDTLS_KEY_EXCHANGE_PSK=y
+# CONFIG_MBEDTLS_KEY_EXCHANGE_DHE_PSK is not set
+# CONFIG_MBEDTLS_KEY_EXCHANGE_ECDHE_PSK is not set
+# CONFIG_MBEDTLS_KEY_EXCHANGE_RSA_PSK is not set
+# CONFIG_MQTT_PROTOCOL_311 is not set
+# CONFIG_MQTT_TRANSPORT_SSL is not set
+CONFIG_SPIFFS_MAX_PARTITIONS=1
+# CONFIG_SPIFFS_USE_MTIME is not set
+# CONFIG_WS_TRANSPORT is not set
+# CONFIG_UNITY_ENABLE_IDF_TEST_RUNNER is not set

src/CMakeLists.txt

@@ -0,0 +1,6 @@
+# This file was automatically generated for projects
+# without default 'CMakeLists.txt' file.
+
+FILE(GLOB_RECURSE app_sources ${CMAKE_SOURCE_DIR}/src/*.*)
+
+idf_component_register(SRCS ${app_sources})

src/main.cpp

@@ -21,6 +21,9 @@ using fs::FS;
 #include "nonvolatile.h"
 #include "utils.h"
 #include "system_console.h"
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "esp_task_wdt.h"
 #pragma endregion
 
 Console console(&tft);
@@ -846,7 +849,7 @@ int GetNum() {
   // According to the docs, register 0 contains pins IO0_x where x is equal to the bit from the right (x = 7, is MSB)
 
   int cnt = 0;
-  int16_t temp;
+  uint16_t temp;
   unsigned int num;
   if(Wire.available() == 2) {
     keypadtimer = millis();
@@ -3958,4 +3961,13 @@ uint8_t doAutoMemory(uint16_t startfreq, uint16_t stopfreq, uint8_t startmem, ui
   SQ = false;
 
   return error;
-}
+}
+
+extern "C" void app_main() {
+    initArduino();
+    setup();
+    while(true) {
+      loop();
+      esp_task_wdt_reset();
+    }
+}