I didn't connect any device on my mac book, but a docking station. Then i click update button, expecting some error happen. Where is no any error massege, only done showed.
[Starting] Uploading sketch 'motor_driver.ino'
[Warning] Output path is not specified. Unable to reuse previously compiled files. Build will be slower. See README.
. Variables and constants in RAM (global, static), used 31224 / 80192 bytes (38%)
║ SEGMENT BYTES DESCRIPTION
╠══ DATA 1520 initialized variables
╠══ RODATA 3568 constants
╚══ BSS 26136 zeroed variables
. Instruction RAM (IRAM_ATTR, ICACHE_RAM_ATTR), used 61291 / 65536 bytes (93%)
║ SEGMENT BYTES DESCRIPTION
╠══ ICACHE 32768 reserved space for flash instruction cache
╚══ IRAM 28523 code in IRAM
. Code in flash (default, ICACHE_FLASH_ATTR), used 332552 / 1048576 bytes (31%)
║ SEGMENT BYTES DESCRIPTION
╚══ IROM 332552 code in flash
IntelliSense configuration already up to date. To manually rebuild your IntelliSense configuration run "Cmd+Alt+I"
[Done] Uploading sketch 'motor_driver.ino'
How can i detect an update is failed?