topic lpc2388 UART Tx fifo problem in LPC Microcontrollers https://community.nxp.com/t5/LPC-Microcontrollers/lpc2388-UART-Tx-fifo-problem/m-p/653012#M25940 <HTML><HEAD></HEAD><BODY><P>When I write one byte into U0THR, the THRE &amp; TEMT bit in U0LSR is 0. How can I know&nbsp;when the Tx fifo is full, or how many bytes left in the fifo when the fifo is not empty. I want to sent message by polling.&nbsp;</P></BODY></HTML> Thu, 16 Mar 2017 01:21:10 GMT fzg 2017-03-16T01:21:10Z lpc2388 UART Tx fifo problem https://community.nxp.com/t5/LPC-Microcontrollers/lpc2388-UART-Tx-fifo-problem/m-p/653012#M25940 <HTML><HEAD></HEAD><BODY><P>When I write one byte into U0THR, the THRE &amp; TEMT bit in U0LSR is 0. How can I know&nbsp;when the Tx fifo is full, or how many bytes left in the fifo when the fifo is not empty. I want to sent message by polling.&nbsp;</P></BODY></HTML> Thu, 16 Mar 2017 01:21:10 GMT https://community.nxp.com/t5/LPC-Microcontrollers/lpc2388-UART-Tx-fifo-problem/m-p/653012#M25940 fzg 2017-03-16T01:21:10Z Re: lpc2388 UART Tx fifo problem https://community.nxp.com/t5/LPC-Microcontrollers/lpc2388-UART-Tx-fifo-problem/m-p/653013#M25941 <HTML><HEAD></HEAD><BODY><P>Did you enable the interrupt? if no, please enable the interrupt in U0IER. </P></BODY></HTML> Fri, 17 Mar 2017 07:53:51 GMT https://community.nxp.com/t5/LPC-Microcontrollers/lpc2388-UART-Tx-fifo-problem/m-p/653013#M25941 jimmychan 2017-03-17T07:53:51Z