diff options
Diffstat (limited to 'peripheral/libupm/src/mlx90614/mlx90614.cxx')
-rw-r--r-- | peripheral/libupm/src/mlx90614/mlx90614.cxx | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/peripheral/libupm/src/mlx90614/mlx90614.cxx b/peripheral/libupm/src/mlx90614/mlx90614.cxx deleted file mode 100644 index aaa05ae..0000000 --- a/peripheral/libupm/src/mlx90614/mlx90614.cxx +++ /dev/null @@ -1,110 +0,0 @@ -/* - * Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com> - * Copyright (c) 2014 Intel Corporation. - * - * Permission is hereby granted, free of charge, to any person obtaining - * a copy of this software and associated documentation files (the - * "Software"), to deal in the Software without restriction, including - * without limitation the rights to use, copy, modify, merge, publish, - * distribute, sublicense, and/or sell copies of the Software, and to - * permit persons to whom the Software is furnished to do so, subject to - * the following conditions: - * - * The above copyright notice and this permission notice shall be - * included in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, - * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND - * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE - * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION - * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION - * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - -#include <iostream> -#include <unistd.h> -#include <stdlib.h> -#include <stdexcept> - -#include "mlx90614.h" - -using namespace upm; - -MLX90614::MLX90614 (int bus, int devAddr) : m_i2Ctx(bus) { - m_name = "MLX90614"; - - m_i2cAddr = devAddr; - m_bus = bus; - - mraa::Result ret = m_i2Ctx.address(m_i2cAddr); - if (ret != mraa::SUCCESS) { - throw std::invalid_argument(std::string(__FUNCTION__) + - ": address() failed"); - } -} - -float -MLX90614::readObjectTempF(void) { - return (readTemperature(MLX90614_TOBJ1) * 9 / 5) + 32; -} - -float -MLX90614::readAmbientTempF(void) { - return (readTemperature(MLX90614_TA) * 9 / 5) + 32; -} - -float -MLX90614::readObjectTempC(void) { - return readTemperature(MLX90614_TOBJ1); -} - -float -MLX90614::readAmbientTempC(void) { - return readTemperature(MLX90614_TA); -} - -/* - * ************** - * private area - * ************** - */ -uint16_t -MLX90614::i2cReadReg_N (int reg, unsigned int len, uint8_t * buffer) { - int readByte = 0; - - m_i2Ctx.address(m_i2cAddr); - m_i2Ctx.writeByte(reg); - - readByte = m_i2Ctx.read(buffer, len); - return readByte; -} - -mraa::Result -MLX90614::i2cWriteReg_N (uint8_t reg, unsigned int len, uint8_t * buffer) { - mraa::Result error = mraa::SUCCESS; - - error = m_i2Ctx.address(m_i2cAddr); - error = m_i2Ctx.write(buffer, len); - - return error; -} - -float -MLX90614::readTemperature (uint8_t address) { - uint8_t buffer[3]; - float temperature = 0; - - /* Reading temperature from sensor. - Answer contained of 3 bytes (TEMP_LSB | TEMP_MSB | PEC) - */ - if (i2cReadReg_N(address, 3, buffer) > 2) { - temperature = buffer[0]; - temperature = buffer[1] << 8; - - temperature *= .02; - temperature -= 273.15; - } - - return temperature; -} |