Revision 211 trunk/cardbox/rs485_int.h

rs485_int.h (revision 211)
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 * Copyright 2009 Kevin Woo <kwoo@2ndt.com>
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 *
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 ********/
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/** @file uart.h
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/** @file rs485_int.h
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 *
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 *	@brief Initializes UART functions using the UART hardware module
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 *
......
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 *         which msut be the value that is defined in the datasheet
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 *         for any particular speed (ie: 51 -> 9600bps)
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 **/
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void init_uart(uint16_t baud);
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void rs485_init(uint16_t baud);
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/** @brief Gets latest byte and returns it in output_byte. If the byte
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 *         was already read, returns -1 otherwise it returns 0
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 **/
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int8_t uart_get_byte(uint8_t *output_byte);
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int8_t rs485_get_byte(uint8_t *output_byte);
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/** @brief Sends a character array of size size. If we are currently
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 *         transmitting it will block until the the current transmit
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 *         is done.
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 **/
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void uart_send_byte(uint8_t data);
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void uart_toggle_transmit(uint8_t state);
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void rs485_send_byte(uint8_t data);
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void rs485_toggle_transmit(uint8_t state);
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#endif

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