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42 lines
653 B
42 lines
653 B
9 years ago
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#include <avr/pgmspace.h>
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#include <util/delay.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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#include "lib/onewire.h"
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#define T 2
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void main()
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{
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uart_init(9600);
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uart_puts_P(PSTR("*** OneWire test ***\r\n"));
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while(1)
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{
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_delay_ms(100);
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ow_reset(T);
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ow_send(T, SKIP_ROM);
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ow_send(T, CONVERT_T);
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if(!ow_wait_ready(T)) {
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uart_puts_P(PSTR("Wait timeout!\r\n"));
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continue;
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}
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ow_reset(T);
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ow_send(T, SKIP_ROM);
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int16_t temp = ds1820_read_temp_c(T);
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if (temp == TEMP_ERROR) {
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uart_puts_P(PSTR("Read error!\r\n"));
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} else {
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put_i16f(uart, temp, 1);
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uart_puts_P(PSTR(" °C\r\n"));
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}
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}
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}
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