I commonly read a presumed response of an AT command (e.g. "AT+CIPMUX=1\r\nOK\r\n"). In some cases, there stay some old characters in the receive buffe, so I read e.g. "ERROR\r\nAT+CIPMUX=1\r\nOK\r\n"). Is it possible to flush the receive buffer before the next AT command send ? When I wait for a while (e.g 2 seconds), the recive buffer is then empty. What is the TimeOut of the receive buffer auto flush ? Is this time guaranted and same at all cases ?
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