--- a/ch341a_spi.c +++ b/ch341a_spi.c @@ -444,7 +444,7 @@ return -1; } - libusb_set_debug(NULL, 3); // Enable information, warning and error messages (only). + libusb_set_option(NULL, LIBUSB_OPTION_LOG_LEVEL, LIBUSB_LOG_LEVEL_INFO); // Enable information, warning and error messages (only). uint16_t vid = devs_ch341a_spi[0].vendor_id; uint16_t pid = devs_ch341a_spi[0].device_id;