Merge pull request #1 from esromneb/master
Add extern to FILE variables
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commit
605bfd3d65
@ -8,6 +8,9 @@
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/* http://www.cs.mun.ca/~rod/Winter2007/4723/notes/serial/serial.html */
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FILE uart_output = FDEV_SETUP_STREAM(uart_putchar, NULL, _FDEV_SETUP_WRITE);
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FILE uart_input = FDEV_SETUP_STREAM(NULL, uart_getchar, _FDEV_SETUP_READ);
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void uart_init(void) {
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UBRR0H = UBRRH_VALUE;
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UBRR0L = UBRRL_VALUE;
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@ -5,5 +5,5 @@ void uart_init(void);
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/* http://www.ermicro.com/blog/?p=325 */
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FILE uart_output = FDEV_SETUP_STREAM(uart_putchar, NULL, _FDEV_SETUP_WRITE);
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FILE uart_input = FDEV_SETUP_STREAM(NULL, uart_getchar, _FDEV_SETUP_READ);
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extern FILE uart_output;
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extern FILE uart_input;
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@ -8,5 +8,5 @@ struct tx_ring;
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/* http://www.ermicro.com/blog/?p=325 */
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FILE uart_output = FDEV_SETUP_STREAM(uart_putchar, NULL, _FDEV_SETUP_WRITE);
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FILE uart_input = FDEV_SETUP_STREAM(NULL, uart_getchar, _FDEV_SETUP_READ);
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extern FILE uart_output;
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extern FILE uart_input;
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@ -32,6 +32,10 @@ struct rx_ring {
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static struct tx_ring tx_buffer;
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static struct rx_ring rx_buffer;
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FILE uart_output = FDEV_SETUP_STREAM(uart_putchar, NULL, _FDEV_SETUP_WRITE);
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FILE uart_input = FDEV_SETUP_STREAM(NULL, uart_getchar, _FDEV_SETUP_READ);
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/* http://www.cs.mun.ca/~rod/Winter2007/4723/notes/serial/serial.html */
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void uart_init(void) {
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