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    // configure control pins
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    // configure control pins
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    gpio_set_out(sns_Serial_RXEN);
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    gpio_set_out(sns_Serial_RXEN);
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    gpio_set_out(sns_Serial_TXEN);
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    gpio_set_out(sns_Serial_TXEN);
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    gpio_set_out(sns_Serial_ON);
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    gpio_set_out(sns_Serial_ON);
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    gpio_set_out(sns_Serial_485_232);
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    gpio_set_out(sns_Serial_485_232);
-
 
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    gpio_set_out(sns_Serial_TERM_EN);
-
 
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    gpio_set_out(sns_Serial_485_CONNECT);
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    //default to loopback mode until config command received
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    //default to loopback mode until config command received
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    gpio_clr_pin(sns_Serial_ON);
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    gpio_clr_pin(sns_Serial_ON);
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    gpio_clr_pin(sns_Serial_485_232);
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    gpio_clr_pin(sns_Serial_485_232);
-
 
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    gpio_clr_pin(sns_Serial_485_CONNECT);   // disable RS485_CONNECT
-
 
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    gpio_clr_pin(sns_Serial_TERM_EN);       // disable termination
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    // to use PCINt lib, call this function: (the callback function look as a timer callback function)
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    // to use PCINt lib, call this function: (the callback function look as a timer callback function)
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    // Pcint_SetCallbackPin(sns_Serial_PCINT, EXP_C , &sns_Serial_pcint_callback);
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    // Pcint_SetCallbackPin(sns_Serial_PCINT, EXP_C , &sns_Serial_pcint_callback);
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}
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}