mirror of
https://github.com/eclipse/upm.git
synced 2025-03-14 20:47:30 +03:00
max31723 :: added new temperature sensor (HAVE ISSUES WITH SPI)
Signed-off-by: Kiveisha Yevgeniy <yevgeniy.kiveisha@intel.com>
This commit is contained in:
parent
b31e88c233
commit
45f85e9944
@ -22,6 +22,7 @@ add_executable (pulsensor-example pulsensor.cxx)
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add_executable (mic-example mic-example.cxx)
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add_executable (mpu9150-example mpu9150-example.cxx)
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add_executable (maxds3231m-example maxds3231m.cxx)
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add_executable (max31723-example max31723.cxx)
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include_directories (${PROJECT_SOURCE_DIR}/src/hmc5883l)
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include_directories (${PROJECT_SOURCE_DIR}/src/grove)
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@ -42,6 +43,7 @@ include_directories (${PROJECT_SOURCE_DIR}/src/pulsensor)
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include_directories (${PROJECT_SOURCE_DIR}/src/mic)
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include_directories (${PROJECT_SOURCE_DIR}/src/mpu9150)
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include_directories (${PROJECT_SOURCE_DIR}/src/maxds3231m)
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include_directories (${PROJECT_SOURCE_DIR}/src/max31723)
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target_link_libraries (compass hmc5883l ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (groveled grove ${CMAKE_THREAD_LIBS_INIT})
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@ -67,3 +69,4 @@ target_link_libraries (pulsensor-example pulsensor ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (mic-example mic ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (mpu9150-example mpu9150 ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (maxds3231m-example maxds3231m ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (max31723-example max31723 ${CMAKE_THREAD_LIBS_INIT})
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60
examples/max31723.cxx
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60
examples/max31723.cxx
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@ -0,0 +1,60 @@
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/*
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* Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <unistd.h>
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#include <iostream>
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#include "max31723.h"
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#include <signal.h>
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int doWork = 0;
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upm::MAX31723 *sensor = NULL;
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void
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sig_handler(int signo)
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{
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printf("got signal\n");
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if (signo == SIGINT) {
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printf("exiting application\n");
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doWork = 1;
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}
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}
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int
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main(int argc, char **argv)
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{
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//! [Interesting]
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sensor = new upm::MAX31723(7);
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// while (!doWork) {
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std::cout << "Temperature " << sensor->getTemperature() << std::endl;
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// usleep (3000000);
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// }
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//! [Interesting]
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std::cout << "exiting application" << std::endl;
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delete sensor;
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return 0;
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}
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5
src/max31723/CMakeLists.txt
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5
src/max31723/CMakeLists.txt
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set (libname "max31723")
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set (libdescription "Very accurate temperature sensor")
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set (module_src ${libname}.cxx)
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set (module_h ${libname}.h)
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upm_module_init()
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8
src/max31723/jsupm_max31723.i
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8
src/max31723/jsupm_max31723.i
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%module jsupm_max31723
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%include "../upm.i"
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%{
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#include "max31723.h"
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%}
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%include "max31723.h"
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116
src/max31723/max31723.cxx
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116
src/max31723/max31723.cxx
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/*
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* Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <iostream>
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#include <unistd.h>
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#include <stdlib.h>
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#include "max31723.h"
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using namespace upm;
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struct MAX31723Exception : public std::exception {
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std::string message;
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MAX31723Exception (std::string msg) : message (msg) { }
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~MAX31723Exception () throw () { }
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const char* what() const throw () { return message.c_str(); }
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};
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MAX31723::MAX31723 (int csn) {
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mraa_result_t error = MRAA_SUCCESS;
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m_name = "MAX31723";
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m_csnPinCtx = mraa_gpio_init (csn);
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if (m_csnPinCtx == NULL) {
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throw MAX31723Exception ("GPIO failed to initilize");
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}
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error = mraa_gpio_dir (m_csnPinCtx, MRAA_GPIO_OUT);
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if (error != MRAA_SUCCESS) {
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throw MAX31723Exception ("GPIO failed to initilize");
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}
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m_spi = mraa_spi_init (0);
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if (m_spi == NULL) {
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throw MAX31723Exception ("SPI failed to initilize");
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}
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CSOff ();
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}
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MAX31723::~MAX31723() {
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mraa_result_t error = MRAA_SUCCESS;
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error = mraa_spi_stop(m_spi);
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if (error != MRAA_SUCCESS) {
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mraa_result_print(error);
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}
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error = mraa_gpio_close (m_csnPinCtx);
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if (error != MRAA_SUCCESS) {
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mraa_result_print(error);
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}
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}
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uint16_t
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MAX31723::getTemperature () {
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uint8_t lsb = 0;
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uint8_t msb = 0;
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uint8_t buf[2] = { 0x01, 0x00};
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CSOn ();
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uint8_t* x = mraa_spi_write_buf(m_spi, buf, 2);
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printf ("%d\n", (uint16_t)*x);
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/*mraa_spi_write (m_spi, R_TEMPERATURE_LSB);
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lsb = mraa_spi_write (m_spi, lsb);
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lsb >>= 4;*/
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/*mraa_spi_write (m_spi, R_TEMPERATURE_MSB);
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msb = mraa_spi_write (m_spi, msb);
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if ((msb & 0x80) != 0)
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msb |= ~((1 << 8) - 1);*/
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CSOff ();
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return msb;
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}
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/*
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* **************
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* private area
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* **************
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*/
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mraa_result_t
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MAX31723::CSOn () {
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return mraa_gpio_write (m_csnPinCtx, HIGH);
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}
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mraa_result_t
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MAX31723::CSOff () {
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return mraa_gpio_write (m_csnPinCtx, LOW);
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}
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90
src/max31723/max31723.h
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90
src/max31723/max31723.h
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@ -0,0 +1,90 @@
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/*
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* Author: Yevgeniy Kiveisha <yevgeniy.kiveisha@intel.com>
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* Copyright (c) 2014 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <string>
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#include <mraa/aio.h>
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#include <mraa/gpio.h>
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#include <mraa/spi.h>
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#define HIGH 1
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#define LOW 0
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namespace upm {
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/**
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* @brief C++ API for MAX31723 chip (Temperature sensor)
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*
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* This file defines the MAX31723 C++ interface for libmax31723
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*
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*/
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class MAX31723 {
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public:
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static const uint8_t R_STS_READ_CMD = 0x00;
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static const uint8_t R_STS_WRITE_CMD = 0x80;
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static const uint8_t R_TEMPERATURE_LSB = 0x01;
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static const uint8_t R_TEMPERATURE_MSB = 0x02;
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/**
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* Instanciates a MAX31723 object
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*
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* @param bus number of used bus
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* @param devAddr addres of used i2c device
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*/
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MAX31723 (int csn);
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/**
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* MAXDS3231M object destructor, basicaly it close i2c connection.
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*/
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~MAX31723 ();
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/**
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* Get on board temperature.
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*/
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uint16_t getTemperature ();
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/**
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* Return name of the component
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*/
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std::string name()
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{
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return m_name;
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}
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private:
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std::string m_name;
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mraa_spi_context m_spi;
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mraa_gpio_context m_csnPinCtx;
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/**
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* Set chip select pin LOW
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*/
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mraa_result_t CSOn ();
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/**
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* Set chip select pin HIGH
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*/
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mraa_result_t CSOff ();
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};
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}
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9
src/max31723/pyupm_max31723.i
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9
src/max31723/pyupm_max31723.i
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%module pyupm_max31723
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%include "../upm.i"
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%feature("autodoc", "3");
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%include "max31723.h"
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%{
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#include "max31723.h"
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%}
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