Raspberries/upm
Public Access
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

grove: split code base for grove sensors into individual files

Browse Source 
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Mihai Tudor Panu
2016-08-01 17:07:55 -07:00
parent e64f192fb7
commit b08fc8d48d
21 changed files with 1052 additions and 742 deletions
Download Patch File Download Diff File Expand all files Collapse all files

306
src/grove/grove.cxx
View File

@@ -1,307 +1 @@
/*
* Author: Brendan Le Foll <brendan.le.foll@intel.com>
* Contributions: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
* Contributions: Sarah Knepper <sarah.knepper@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 <string>
#include <stdexcept>
#include "grove.hpp"
#include "math.h"
using namespace upm;
//// GroveLed ////
GroveLed::GroveLed(int pin)
{
if ( !(m_gpio = mraa_gpio_init(pin)) ) {
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_gpio_init() failed, invalid pin?");
return;
}
mraa_gpio_dir(m_gpio, MRAA_GPIO_OUT);
m_name = "LED Socket";
}
GroveLed::~GroveLed()
{
mraa_gpio_close(m_gpio);
}
mraa_result_t GroveLed::write(int value)
{
if (value >= 1) {
return mraa_gpio_write(m_gpio, 1);
}
return mraa_gpio_write(m_gpio, 0);
}
mraa_result_t GroveLed::on()
{
return write(1);
}
mraa_result_t GroveLed::off()
{
return write(0);
}
//// GroveRelay ////
GroveRelay::GroveRelay(unsigned int pin)
{
if ( !(m_gpio = mraa_gpio_init(pin)) ) {
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_gpio_init() failed, invalid pin?");
return;
}
mraa_gpio_dir(m_gpio, MRAA_GPIO_OUT);
m_name = "Relay Switch";
}
GroveRelay::~GroveRelay()
{
mraa_gpio_close(m_gpio);
}
mraa_result_t GroveRelay::on()
{
return mraa_gpio_write(m_gpio, 1);
}
mraa_result_t GroveRelay::off()
{
return mraa_gpio_write(m_gpio, 0);
}
bool GroveRelay::isOn()
{
return mraa_gpio_read(m_gpio) == 1;
}
bool GroveRelay::isOff()
{
return mraa_gpio_read(m_gpio) == 0;
}
//// GroveTemp ////
GroveTemp::GroveTemp(unsigned int pin, float scale)
{
if ( !(m_aio = mraa_aio_init(pin)) ) {
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_aio_init() failed, invalid pin?");
return;
}
m_name = "Temperature Sensor";
m_scale = scale;
}
GroveTemp::~GroveTemp()
{
mraa_aio_close(m_aio);
}
int GroveTemp::value ()
{
float a = (float) mraa_aio_read(m_aio);
if (a == -1.0) return -1;
// Apply scale factor after error check
a *= m_scale;
float r = (float)(1023.0-a)*10000.0/a;
float t = 1.0/(log(r/10000.0)/3975.0 + 1.0/298.15)-273.15;
return (int) round(t);
}
float GroveTemp::raw_value()
{
return (float) mraa_aio_read(m_aio);
}
//// GroveLight ////
GroveLight::GroveLight(unsigned int pin)
{
if ( !(m_aio = mraa_aio_init(pin)) ) {
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_aio_init() failed, invalid pin?");
return;
}
m_name = "Light Sensor";
}
GroveLight::~GroveLight()
{
mraa_aio_close(m_aio);
}
int GroveLight::value()
{
// rough conversion to lux, using formula from Grove Starter Kit booklet
float a = (float) mraa_aio_read(m_aio);
if (a == -1.0) return -1;
a = 10000.0/pow(((1023.0-a)*10.0/a)*15.0,4.0/3.0);
return (int) round(a);
}
float GroveLight::raw_value()
{
return (float) mraa_aio_read(m_aio);
}
//// GroveRotary ////
GroveRotary::GroveRotary(unsigned int pin)
{
if ( !(m_aio = mraa_aio_init(pin)) ) {
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_aio_init() failed, invalid pin?");
return;
}
m_name = "Rotary Angle Sensor";
}
GroveRotary::~GroveRotary()
{
mraa_aio_close(m_aio);
}
float GroveRotary::abs_value()
{
return (float) mraa_aio_read(m_aio);
}
float GroveRotary::abs_deg()
{
return GroveRotary::abs_value() * (float) m_max_angle / 1023.0;
}
float GroveRotary::abs_rad()
{
return GroveRotary::abs_deg() * M_PI / 180.0;
}
float GroveRotary::rel_value()
{
return GroveRotary::abs_value() - 512.0;
}
float GroveRotary::rel_deg()
{
return GroveRotary::rel_value() * (float) m_max_angle / 1023.0;
}
float GroveRotary::rel_rad()
{
return GroveRotary::rel_deg() * M_PI / 180.0;
}
//// GroveSlide ////
GroveSlide::GroveSlide(unsigned int pin, float ref_voltage)
{
if ( !(m_aio = mraa_aio_init(pin)) ) {
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_aio_init() failed, invalid pin?");
return;
}
m_ref_voltage = ref_voltage;
m_name = "Slide Potentiometer";
}
GroveSlide::~GroveSlide()
{
mraa_aio_close(m_aio);
}
float GroveSlide::raw_value()
{
return (float) mraa_aio_read(m_aio);
}
float GroveSlide::voltage_value()
{
// conversion to Volts
float a = GroveSlide::raw_value();
a = m_ref_voltage * a / 1023.0 ;
return a;
}
float GroveSlide::ref_voltage()
{
return m_ref_voltage;
}
//// GroveButton ////
GroveButton::GroveButton(unsigned int pin)
{
if ( !(m_gpio = mraa_gpio_init(pin)) ) {
throw std::invalid_argument(std::string(__FUNCTION__) +
": mraa_gpio_init() failed, invalid pin?");
return;
}
mraa_gpio_dir(m_gpio, MRAA_GPIO_IN);
m_name = "Button Sensor";
}
GroveButton::~GroveButton()
{
mraa_gpio_close(m_gpio);
}
std::string GroveButton::name()
{
return m_name;
}
int GroveButton::value()
{
return mraa_gpio_read(m_gpio);
}
#ifdef JAVACALLBACK
void GroveButton::installISR(mraa::Edge level, jobject runnable)
{
installISR(level, mraa_java_isr_callback, runnable);
}
#endif
void GroveButton::installISR(mraa::Edge level, void (*isr)(void *), void *arg)
{
if (m_isrInstalled)
uninstallISR();
// install our interrupt handler
mraa_gpio_isr(m_gpio, (mraa_gpio_edge_t) level, isr, arg);
m_isrInstalled = true;
}
void GroveButton::uninstallISR()
{
mraa_gpio_isr_exit(m_gpio);
m_isrInstalled = false;
}