[syntax=c]void hp01_init(void) {
XCLR_DDR |= (1<<XCLR_OUT);
XCLR_low;
}
uint16_t hp01_pres_meas(void) {
uint16_t hp01_pressure;
XCLR_high;
i2c_start();
i2c_write(hp01_addr);
i2c_write(0xFF);
i2c_write(0xF0);
i2c_stop();
_delay_ms(50);
i2c_start();
i2c_write(hp01_addr);
i2c_write(0xFD);
i2c_start();
i2c_write(hp01_addr+1);
hp01_pressure = (i2c_read(ACK) << 8) | i2c_read(NACK);
i2c_stop();
XCLR_low;
return hp01_pressure;
}
uint16_t hp01_temp_meas(void) {
uint16_t hp01_temperature;
XCLR_high;
i2c_start();
i2c_write(hp01_addr);
i2c_write(0xFF);
i2c_write(0xE8);
i2c_stop();
_delay_ms(50);
i2c_start();
i2c_write(hp01_addr);
i2c_write(0xFD);
i2c_start();
i2c_write(hp01_addr+1);
hp01_temperature = (i2c_read(ACK) << 8) | i2c_read(NACK);
i2c_stop();
XCLR_low;
return hp01_temperature;
}[/syntax]
Miał ktoś do czynienia z tym ustrojstwem i uzyskał prawidłowy odczyt ciśnienia atmosferycznego?Statystyki: Napisane przez szopler — 18 gru 2014, o 20:47
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