VS Arduino - Could not compile the simplest example

Oct 24^th, 2025 at 1:43am (UTC)

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VS Arduino › › › Could not compile the simplest example

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Could not compile the simplest example (Read 1621 times)

Kabron Full Member Offline Posts: 170 Joined: Nov 1^st, 2015	Could not compile the simplest example Sep 3^rd, 2018 at 10:23am	Print Post
	I'm trying to solve the problem for a week. Two PCs home and office. Absolutelly identical Arduino IDE, VS and VisualMicro setups. Latest versions of all components. Example SerialToSerialBT.ino from ialBT Home PC no problems. Office PC : Code BluetoothSerial.cpp: In function bool _init_bt(const char) Error compiling libraries Build failed for project 'SerialToSerialBT' BluetoothSerial.cpp: 140:5: error: 'esp_bt_cod_t' was not declared in this scope esp_bt_cod_t cod BluetoothSerial.cpp: 141:5: error: 'cod' was not declared in this scope cod.major = 0b00001 BluetoothSerial.cpp: 144:33: error: 'ESP_BT_INIT_COD' was not declared in this scope if (esp_bt_gap_set_cod(cod, ESP_BT_INIT_COD) != ESP_OK) { BluetoothSerial.cpp: 144:48: error: 'esp_bt_gap_set_cod' was not declared in this scope if (esp_bt_gap_set_cod(cod, ESP_BT_INIT_COD) != ESP_OK) { As I understand, some libs(esp_gap_bt_api.h) does not included for unknown reasons, but all #defines are right. All other my projects successfuly compiled on office PC. PlatformIO on the office PC also successively compiled that example. PS arduino IDE on the office PC also could not compile the example, but with the error: xtensa-esp32-elf-g++: error: unrecognized command line option '-mfix-esp32-psram-cache-issue'*
	« Last Edit: Sep 3^rd, 2018 at 10:38am by Kabron »

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Tim@Visual Micro Administrator Offline Posts: 12201 Location: United Kingdom Joined: Apr 10^th, 2010	Re: Could not compile the simplest example Reply #1 - Sep 3^rd, 2018 at 11:02am	Print Post
	You haven't provided a verbose compiler output with build properties but I can only guess that your esp core in board manager is different between the two pcs If arduino and visual micro both fail then this is the common point. If you have installed any libraries yourself they will be in document\arduino\libraries (sketchbook\libraries). It's not clear from your report the location of the library that is failing. The verbose output will show this. If the library is included with the esp core then make sure you do not have an older or conflicting version in sketchbook\libraries


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