diff options
Diffstat (limited to 'src/driver')
-rw-r--r-- | src/driver/lm75.cc | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/driver/lm75.cc b/src/driver/lm75.cc new file mode 100644 index 0000000..0bad4a7 --- /dev/null +++ b/src/driver/lm75.cc @@ -0,0 +1,30 @@ +#include "driver/lm75.h" +#include "driver/i2c.h" + +float LM75::getTemp() +{ + txbuf[0] = 0; + rxbuf[0] = 0; + rxbuf[1] = 0; + i2c.xmit(address, 1, txbuf, 2, rxbuf); + + return rxbuf[0] + (rxbuf[1] / 256.0); +} + +void LM75::setOS(unsigned char os) +{ + txbuf[0] = 0x03; + txbuf[1] = os; + txbuf[2] = 0; + i2c.xmit(address, 3, txbuf, 0, rxbuf); +} + +void LM75::setHyst(unsigned char hyst) +{ + txbuf[0] = 0x02; + txbuf[1] = hyst; + txbuf[2] = 0; + i2c.xmit(address, 3, txbuf, 0, rxbuf); +} + +LM75 lm75(0x48); |