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  1. #define fosc 18432000
  2.  
  3. void uart_init_speed(uint16_t baud) {
  4.   //Calculate UBRR off freq and requested baud rate
  5.   uint32_t UBTemp = (fosc / (16 * baud)) - 1;
  6.   // set baud rate
  7.   UBRR0H = ((UBTemp >> 8) & 0x000000FF);
  8.   UBRR0L = (UBTemp & 0x000000FF);
  9.   // enable uart RX and TX
  10.   UCSR0B = (1<<RXEN0)|(1<<TXEN0);
  11.   // set 8N1 frame format
  12.   UCSR0C = (1<<UCSZ01)|(1<<UCSZ00);
  13. }
  14.  
  15.  
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https://ideone.com/FbFAH
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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