format code according to conventions [skip ci]
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1 changed files with 31 additions and 31 deletions
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@ -93,7 +93,7 @@ void uart_putchar(uint8_t c) {
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i = tx_buffer_head + 1;
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i = tx_buffer_head + 1;
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if (i >= TX_BUFFER_SIZE) i = 0;
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if (i >= TX_BUFFER_SIZE) i = 0;
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// return immediately to avoid deadlock when interrupt is disabled(called from ISR)
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// return immediately to avoid deadlock when interrupt is disabled(called from ISR)
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if (tx_buffer_tail == i && (SREG & (1<<SREG_I)) == 0) return;
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if (tx_buffer_tail == i && (SREG & (1 << SREG_I)) == 0) return;
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while (tx_buffer_tail == i)
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while (tx_buffer_tail == i)
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; // wait until space in buffer
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; // wait until space in buffer
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// cli();
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// cli();
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