C code and C++ library, driver software for Maxim Integrated DS1775, DS75 thermometer and thermostat temperature sensor. Code supports continuous or shut-down/standby, hysteresis, alarm limits, comparator or interrupt mode, fault filtering, and active low/high. Compact 5-pin SOT23 packaging
Dependents: DS1775_Digital_Thermostat_Temperature
Diff: ds1775_cpp.cpp
- Revision:
- 17:ca86c0b37244
- Parent:
- 16:1ecfc243d4ef
diff -r 1ecfc243d4ef -r ca86c0b37244 ds1775_cpp.cpp --- a/ds1775_cpp.cpp Mon Apr 08 00:14:08 2019 +0000 +++ b/ds1775_cpp.cpp Mon Apr 08 02:36:00 2019 +0000 @@ -155,35 +155,25 @@ } } + /******************************************************************************/ -int DS1775::write_reg8(uint8_t value, char reg) +int DS1775::write_cfg_reg(uint8_t cfg) { int32_t ret; char cmd[2]; - if (reg == DS1775_REG_CONFIGURATION) { - cmd[0] = reg; - cmd[1] = value; - ret = m_i2c.write(m_write_address, cmd, 2, false); - if (ret == 0) { - return DS1775_NO_ERROR; - } else { - printf("%s: I2C write error %d\r\n",__func__, ret); - return DS1775_ERROR; - } + cmd[0] = DS1775_REG_CONFIGURATION; + cmd[1] = cfg; + ret = m_i2c.write(m_write_address, cmd, 2, false); + if (ret == 0) { + return DS1775_NO_ERROR; } else { - printf("%s: register value invalid %x\r\n",__func__, reg); + printf("%s: I2C write error %d\r\n",__func__, ret); return DS1775_ERROR; } } /******************************************************************************/ -int DS1775::write_cfg_reg(uint8_t cfg) -{ - return write_reg8(cfg, DS1775_REG_CONFIGURATION); -} - -/******************************************************************************/ int DS1775::write_trip_low(float temperature) { ds1775_raw_data raw;