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47 lines
961 B
47 lines
961 B
#include <avr/io.h>
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#include <avr/pgmspace.h>
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#include <avr/interrupt.h>
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#include <stdint.h>
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#include "lib/uart.h"
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#include "lib/stream.h"
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//
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// Example of asynchronous UART key handling
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//
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// It recognizes special keys like arrows and some F keys,
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// check uart.h file for full list.
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ISR(USART_RX_vect)
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{
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char c = uart_rx();
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vt_handle_key(c);
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// we can do anything further with the received byte
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}
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// Our custom key handler function
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void key_handler(uint8_t code, bool special)
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{
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put_str_P(uart, special ? PSTR("Special: ") : PSTR("Char: "));
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put_c(uart, code); // the actual character
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put_c(uart, ' '); // space
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put_u8(uart, code); // as number
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put_nl(uart); // crlf
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}
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void main()
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{
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uart_init(9600); // set BAUD-rate
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uart_isr_rx(1); // enable the ISR
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vt_init(); // initialize uart_ansi library
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vt_set_key_handler(&key_handler); // assign our custom handler
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sei();
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put_str_P(uart, PSTR("UART key handler test!\r\n"));
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while(1);
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}
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