 | RL-ARM User's Guide |  |
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| Serial Routines| Routine | Description |
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| init_serial | Initializes the serial driver. | | com_getchar | Reads a character from the serial input buffer. | | com_putchar | Writes a character to the source output buffer. | | com_tx_active | Determines if the serial transmitter is currently active. |
note - The TCPnet serial driver routines are not reentrant.
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