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test.c
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test.c
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/*
* test.c
*
* Copyright (c) 2013, Thomas Buck <[email protected]>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <avr/io.h>
#include <avr/interrupt.h>
#include <stdint.h>
#include "serial.h"
/** \example test.c
* Initializes all available UART Modules.
* Then prints a welcome message on each and waits
* for incoming characters, which will be repeated
* on the UART module they were received on.
*/
int main(void) {
// Initialize UART modules
for (int i = 0; i < serialAvailable(); i++) {
serialInit(i, BAUD(38400, F_CPU));
}
// Enable Interrupts
sei();
// Print Welcome Message
for (int i = 0; i < serialAvailable(); i++) {
serialWriteString(i, "Hello from UART");
serialWrite(i, i + '0');
serialWriteString(i, "... :)\n");
}
// Wait for incoming bytes
for(;;) {
for (int i = 0; i < serialAvailable(); i++) {
if (serialHasChar(i)) {
serialWrite(i, serialGet(i));
}
}
}
return 0;
}