Add serial method so that lower half driver can provide RX flow control information. From Jussi Kivilinna
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@ -12,7 +12,7 @@
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<h1><big><font color="#3c34ec">
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<i>NuttX RTOS Porting Guide</i>
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</font></big></h1>
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<p>Last Updated: January 25, 2014</p>
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<p>Last Updated: May 8, 2014</p>
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</td>
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</tr>
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</table>
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@ -3059,6 +3059,9 @@ void board_led_off(int led);
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<code>int receive(FAR struct uart_dev_s *dev, unsigned int *status);</code><br>
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<code>void rxint(FAR struct uart_dev_s *dev, bool enable);</code><br>
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<code>bool rxavailable(FAR struct uart_dev_s *dev);</code><br>
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<code>#ifdef CONFIG_SERIAL_IFLOWCONTROL</code><br>
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<code>bool rxflowcontrol(FAR struct uart_dev_s *dev);</code><br>
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<code>#endif</code><br>
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<code>void send(FAR struct uart_dev_s *dev, int ch);</code><br>
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<code>void txint(FAR struct uart_dev_s *dev, bool enable);</code><br>
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<code>bool txready(FAR struct uart_dev_s *dev);</code><br>
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