在Mbed TLS中,-0x7280(即-29312)是一个负数的错误码,通常表示在SSL/TLS握手过程中遇到了问题。根据Mbed TLS的错误码定义,这个错误码对应于MBEDTLS_ERR_SSL_PEER_CLOSE_NOTIFY,意味着在握手过程中,对等方(通常是服务器)发送了一个关闭通知(Close Notify)警报。 3. 提供可能的原因导致mbedtls_ssl_handshake返回-0x...
Trying to runHTTPS_OTA_Update.inofrom Update lib using my own server and fails with: E (22929) esp-tls: mbedtls_ssl_handshake returned -0x7280 Googling I foundthiswhich suggests to enable mbedtls debugging. Please, how can I do this, or can you suggest what could be causing the mbedtls_...