From 1747fbbe191016b9947a5705d492946c66a4e05a Mon Sep 17 00:00:00 2001 From: Kiveisha Yevgeniy Date: Tue, 5 Aug 2014 20:16:05 +0000 Subject: [PATCH] max5487: added new sensor with example (TESTED AND WORKING) Signed-off-by: Kiveisha Yevgeniy --- examples/CMakeLists.txt | 3 ++ examples/max5487.cxx | 66 +++++++++++++++++++++++++ src/max5487/CMakeLists.txt | 5 ++ src/max5487/jsupm_max5487.i | 8 +++ src/max5487/max5487.cxx | 117 ++++++++++++++++++++++++++++++++++++++++++++ src/max5487/max5487.h | 93 +++++++++++++++++++++++++++++++++++ src/max5487/pyupm_max5487.i | 9 ++++ 7 files changed, 301 insertions(+) create mode 100644 examples/max5487.cxx create mode 100644 src/max5487/CMakeLists.txt create mode 100644 src/max5487/jsupm_max5487.i create mode 100644 src/max5487/max5487.cxx create mode 100644 src/max5487/max5487.h create mode 100644 src/max5487/pyupm_max5487.i diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt index 5d14ecd..e36a293 100644 --- a/examples/CMakeLists.txt +++ b/examples/CMakeLists.txt @@ -23,6 +23,7 @@ add_executable (mic-example mic-example.cxx) add_executable (mpu9150-example mpu9150-example.cxx) add_executable (maxds3231m-example maxds3231m.cxx) add_executable (max31723-example max31723.cxx) +add_executable (max5487-example max5487.cxx) include_directories (${PROJECT_SOURCE_DIR}/src/hmc5883l) include_directories (${PROJECT_SOURCE_DIR}/src/grove) @@ -44,6 +45,7 @@ include_directories (${PROJECT_SOURCE_DIR}/src/mic) include_directories (${PROJECT_SOURCE_DIR}/src/mpu9150) include_directories (${PROJECT_SOURCE_DIR}/src/maxds3231m) include_directories (${PROJECT_SOURCE_DIR}/src/max31723) +include_directories (${PROJECT_SOURCE_DIR}/src/max5487) target_link_libraries (compass hmc5883l ${CMAKE_THREAD_LIBS_INIT}) target_link_libraries (groveled grove ${CMAKE_THREAD_LIBS_INIT}) @@ -70,3 +72,4 @@ target_link_libraries (mic-example mic ${CMAKE_THREAD_LIBS_INIT}) target_link_libraries (mpu9150-example mpu9150 ${CMAKE_THREAD_LIBS_INIT}) target_link_libraries (maxds3231m-example maxds3231m ${CMAKE_THREAD_LIBS_INIT}) target_link_libraries (max31723-example max31723 ${CMAKE_THREAD_LIBS_INIT}) +target_link_libraries (max5487-example max5487 ${CMAKE_THREAD_LIBS_INIT}) diff --git a/examples/max5487.cxx b/examples/max5487.cxx new file mode 100644 index 0000000..661be05 --- /dev/null +++ b/examples/max5487.cxx @@ -0,0 +1,66 @@ +/* + * Author: Yevgeniy Kiveisha + * 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 +#include +#include "max5487.h" +#include + +upm::MAX5487 *sensor = NULL; + +void +sig_handler(int signo) +{ + printf("got signal\n"); + if (signo == SIGINT) { + printf("exiting application\n"); + } +} + +int +main(int argc, char **argv) +{ + //! [Interesting] + sensor = new upm::MAX5487(7); + + // Power LED UP + for (int i = 0; i < 255; i++) { + sensor->setWiperA(i); + usleep (5000); + } + + // Power LED DOWN + for (int i = 0; i < 255; i++) { + sensor->setWiperA(255 - i); + usleep (5000); + } + + //! [Interesting] + + std::cout << "exiting application" << std::endl; + + delete sensor; + + return 0; +} diff --git a/src/max5487/CMakeLists.txt b/src/max5487/CMakeLists.txt new file mode 100644 index 0000000..e6d59b6 --- /dev/null +++ b/src/max5487/CMakeLists.txt @@ -0,0 +1,5 @@ +set (libname "max5487") +set (libdescription "Digital potentiometer") +set (module_src ${libname}.cxx) +set (module_h ${libname}.h) +upm_module_init() diff --git a/src/max5487/jsupm_max5487.i b/src/max5487/jsupm_max5487.i new file mode 100644 index 0000000..880aeaa --- /dev/null +++ b/src/max5487/jsupm_max5487.i @@ -0,0 +1,8 @@ +%module jsupm_max5487 +%include "../upm.i" + +%{ + #include "max5487.h" +%} + +%include "max5487.h" diff --git a/src/max5487/max5487.cxx b/src/max5487/max5487.cxx new file mode 100644 index 0000000..8120ee5 --- /dev/null +++ b/src/max5487/max5487.cxx @@ -0,0 +1,117 @@ +/* + * Author: Yevgeniy Kiveisha + * 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 +#include +#include + +#include "max5487.h" + +using namespace upm; + +struct MAX5487Exception : public std::exception { + std::string message; + MAX5487Exception (std::string msg) : message (msg) { } + ~MAX5487Exception () throw () { } + const char* what() const throw () { return message.c_str(); } +}; + +MAX5487::MAX5487 (int csn) { + mraa_result_t error = MRAA_SUCCESS; + m_name = "MAX5487"; + + m_csnPinCtx = mraa_gpio_init (csn); + if (m_csnPinCtx == NULL) { + throw MAX5487Exception ("GPIO failed to initilize"); + } + + error = mraa_gpio_dir (m_csnPinCtx, MRAA_GPIO_OUT); + if (error != MRAA_SUCCESS) { + throw MAX5487Exception ("GPIO failed to initilize"); + } + + m_spi = mraa_spi_init (0); + if (m_spi == NULL) { + throw MAX5487Exception ("SPI failed to initilize"); + } + + CSOff (); +} + +MAX5487::~MAX5487() { + mraa_result_t error = MRAA_SUCCESS; + + error = mraa_spi_stop(m_spi); + if (error != MRAA_SUCCESS) { + mraa_result_print(error); + } + error = mraa_gpio_close (m_csnPinCtx); + if (error != MRAA_SUCCESS) { + mraa_result_print(error); + } +} + +void +MAX5487::setWiperA (uint8_t wiper) { + uint8_t data[2] = { 0x00, 0x00}; + + CSOn (); + + data[0] = R_WR_WIPER_A; + data[1] = wiper; + + uint8_t* retData = mraa_spi_write_buf(m_spi, data, 2); + + CSOff (); +} + +void +MAX5487::setWiperB (uint8_t wiper) { + uint8_t data[2] = { 0x00, 0x00}; + + CSOn (); + + data[0] = R_WR_WIPER_B; + data[1] = wiper; + + uint8_t* retData = mraa_spi_write_buf(m_spi, data, 2); + + CSOff (); +} + +/* + * ************** + * private area + * ************** + */ + +mraa_result_t +MAX5487::CSOn () { + return mraa_gpio_write (m_csnPinCtx, LOW); +} + +mraa_result_t +MAX5487::CSOff () { + return mraa_gpio_write (m_csnPinCtx, HIGH); +} diff --git a/src/max5487/max5487.h b/src/max5487/max5487.h new file mode 100644 index 0000000..1834824 --- /dev/null +++ b/src/max5487/max5487.h @@ -0,0 +1,93 @@ +/* + * Author: Yevgeniy Kiveisha + * 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. + */ +#pragma once + +#include +#include +#include +#include + +#define HIGH 1 +#define LOW 0 + +namespace upm { + +/** + * @brief C++ API for MAX5487 chip (Temperature sensor) + * + * This file defines the MAX5487 C++ interface for libmax5487 + * + */ +class MAX5487 { + public: + static const uint8_t R_WR_WIPER_A = 0x01; + static const uint8_t R_WR_WIPER_B = 0x02; + + /** + * Instanciates a MAX5487 object + * + * @param bus number of used bus + * @param devAddr addres of used i2c device + */ + MAX5487 (int csn); + + /** + * MAX5487 object destructor, basicaly it close SPI connection and GPIO. + */ + ~MAX5487 (); + + /** + * Set wiper for port A. + */ + void setWiperA (uint8_t wiper); + + /** + * Set wiper for port B. + */ + void setWiperB (uint8_t wiper); + + /** + * Return name of the component + */ + std::string name() + { + return m_name; + } + private: + std::string m_name; + mraa_spi_context m_spi; + mraa_gpio_context m_csnPinCtx; + + /** + * Set chip select pin LOW + */ + mraa_result_t CSOn (); + + /** + * Set chip select pin HIGH + */ + mraa_result_t CSOff (); +}; + +} diff --git a/src/max5487/pyupm_max5487.i b/src/max5487/pyupm_max5487.i new file mode 100644 index 0000000..d5b9888 --- /dev/null +++ b/src/max5487/pyupm_max5487.i @@ -0,0 +1,9 @@ +%module pyupm_max5487 +%include "../upm.i" + +%feature("autodoc", "3"); + +%include "max5487.h" +%{ + #include "max5487.h" +%} -- 2.7.4