nymea/plugins/deviceplugins/gpio/deviceplugingpio.cpp

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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* *
* Copyright (C) 2016 Simon Stürz <simon.stuerz@guh.guru> *
* *
* This file is part of guh. *
* *
* Guh is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, version 2 of the License. *
* *
* Guh is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with guh. If not, see <http://www.gnu.org/licenses/>. *
* *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*!
\page gpioplugin.html
\title GPIO Plugin
\brief Plugin to controll gpios on different boards.
\ingroup plugins
\ingroup guh-plugins-maker
\chapter Raspberry Pi 2
\image Raspberry-Pi-2-GPIO.png "Raspberry Pi 2 GPIOs"
\chapter Beaglebone Black
\image Beaglebone-Black-GPIO.png "Beaglebone Black GPIOs"
\chapter Plugin properties
Following JSON file contains the definition and the description of all available \l{DeviceClass}{DeviceClasses}
and \l{Vendor}{Vendors} of this \l{DevicePlugin}.
For more details how to read this JSON file please check out the documentation for \l{The plugin JSON File}.
\quotefile plugins/deviceplugins/gpio/deviceplugingpio.json
*/
#include "deviceplugingpio.h"
#include "types/param.h"
#include "plugin/device.h"
#include "devicemanager.h"
#include "plugininfo.h"
DevicePluginGpio::DevicePluginGpio()
{
}
DeviceManager::DeviceSetupStatus DevicePluginGpio::setupDevice(Device *device)
{
qCDebug(dcGpioController()) << "Setup" << device->name() << device->params();
// Check if GPIOs are available on this platform
if (!Gpio::isAvailable()) {
qCWarning(dcGpioController()) << "There are ou GPIOs on this plattform";
return DeviceManager::DeviceSetupStatusFailure;
}
// GPIO Switch
if (device->deviceClassId() == gpioSwitchRpiDeviceClassId || device->deviceClassId() == gpioSwitchBbbDeviceClassId) {
// Create and configure gpio
Gpio *gpio = new Gpio(device->paramValue(gpioParamTypeId).toInt(), this);
if (!gpio->exportGpio()) {
qCWarning(dcGpioController()) << "Could not export gpio for device" << device->name();
return DeviceManager::DeviceSetupStatusFailure;
}
if (!gpio->setDirection(Gpio::DirectionOutput)) {
qCWarning(dcGpioController()) << "Could not configure output gpio for device" << device->name();
return DeviceManager::DeviceSetupStatusFailure;
}
if (!gpio->setValue(Gpio::ValueLow)) {
qCWarning(dcGpioController()) << "Could not set gpio value for device" << device->name();
return DeviceManager::DeviceSetupStatusFailure;
}
m_gpioDevices.insert(gpio, device);
if (device->deviceClassId() == gpioSwitchRpiDeviceClassId)
m_raspberryPiGpios.insert(gpio->gpioNumber(), gpio);
if (device->deviceClassId() == gpioSwitchBbbDeviceClassId)
m_beagleboneBlackGpios.insert(gpio->gpioNumber(), gpio);
return DeviceManager::DeviceSetupStatusSuccess;
}
if (device->deviceClassId() == gpioButtonRpiDeviceClassId || device->deviceClassId() == gpioButtonBbbDeviceClassId) {
GpioMonitor *monior = new GpioMonitor(device->paramValue(gpioParamTypeId).toInt(), this);
if (!monior->enable()) {
qCWarning(dcGpioController()) << "Could not enable gpio monitor for device" << device->name();
return DeviceManager::DeviceSetupStatusFailure;
}
connect(monior, &GpioMonitor::valueChanged, this, &DevicePluginGpio::onGpioValueChanged);
m_monitorDevices.insert(monior, device);
if (device->deviceClassId() == gpioSwitchRpiDeviceClassId)
m_raspberryPiGpioMoniors.insert(monior->gpio()->gpioNumber(), monior);
if (device->deviceClassId() == gpioSwitchBbbDeviceClassId)
m_beagleboneBlackGpioMoniors.insert(monior->gpio()->gpioNumber(), monior);
return DeviceManager::DeviceSetupStatusSuccess;
}
return DeviceManager::DeviceSetupStatusSuccess;
}
DeviceManager::DeviceError DevicePluginGpio::discoverDevices(const DeviceClassId &deviceClassId, const ParamList &params)
{
Q_UNUSED(params)
// Check if GPIOs are available on this platform
if (!Gpio::isAvailable()) {
qCWarning(dcGpioController()) << "There are no GPIOs on this plattform";
return DeviceManager::DeviceErrorHardwareNotAvailable;
}
// Check which board / gpio configuration
const DeviceClass deviceClass = deviceManager()->findDeviceClass(deviceClassId);
if (deviceClass.vendorId() == raspberryPiVendorId) {
// Create the list of available gpios
QList<DeviceDescriptor> deviceDescriptors;
QList<GpioDescriptor> gpioDescriptors = raspberryPiGpioDescriptors();
for (int i = 0; i < gpioDescriptors.count(); i++) {
const GpioDescriptor gpioDescriptor = gpioDescriptors.at(i);
// Offer only gpios which arn't in use already
if (m_raspberryPiGpios.keys().contains(gpioDescriptor.gpio()))
continue;
if (m_raspberryPiGpioMoniors.keys().contains(gpioDescriptor.gpio()))
continue;
QString description;
if (gpioDescriptor.description().isEmpty()) {
description = QString("Pin %1").arg(gpioDescriptor.pin());
} else {
description = QString("Pin %1 | %2").arg(gpioDescriptor.pin()).arg(gpioDescriptor.description());
}
DeviceDescriptor descriptor(deviceClassId, QString("GPIO %1").arg(gpioDescriptor.gpio()), description);
ParamList parameters;
parameters.append(Param(gpioParamTypeId, gpioDescriptor.gpio()));
parameters.append(Param(pinParamTypeId, gpioDescriptor.pin()));
parameters.append(Param(descriptionParamTypeId, gpioDescriptor.description()));
descriptor.setParams(parameters);
deviceDescriptors.append(descriptor);
}
emit devicesDiscovered(deviceClassId, deviceDescriptors);
return DeviceManager::DeviceErrorAsync;
}
if (deviceClass.vendorId() == beagleboneBlackVendorId) {
// Create the list of available gpios
QList<DeviceDescriptor> deviceDescriptors;
QList<GpioDescriptor> gpioDescriptors = beagleboneBlackGpioDescriptors();
for (int i = 0; i < gpioDescriptors.count(); i++) {
const GpioDescriptor gpioDescriptor = gpioDescriptors.at(i);
// Offer only gpios which arn't in use already
if (m_beagleboneBlackGpios.keys().contains(gpioDescriptor.gpio()))
continue;
if (m_beagleboneBlackGpioMoniors.keys().contains(gpioDescriptor.gpio()))
continue;
QString description;
if (gpioDescriptor.description().isEmpty()) {
description = QString("Pin %1").arg(gpioDescriptor.pin());
} else {
description = QString("Pin %1 | %2").arg(gpioDescriptor.pin()).arg(gpioDescriptor.description());
}
DeviceDescriptor descriptor(deviceClassId, QString("GPIO %1").arg(gpioDescriptor.gpio()), description);
ParamList parameters;
parameters.append(Param(gpioParamTypeId, gpioDescriptor.gpio()));
parameters.append(Param(pinParamTypeId, gpioDescriptor.pin()));
parameters.append(Param(descriptionParamTypeId, gpioDescriptor.description()));
descriptor.setParams(parameters);
deviceDescriptors.append(descriptor);
}
emit devicesDiscovered(deviceClassId, deviceDescriptors);
return DeviceManager::DeviceErrorAsync;
}
return DeviceManager::DeviceErrorVendorNotFound;
}
DeviceManager::HardwareResources DevicePluginGpio::requiredHardware() const
{
return DeviceManager::HardwareResourceNone;
}
void DevicePluginGpio::deviceRemoved(Device *device)
{
if (m_gpioDevices.values().contains(device)) {
Gpio *gpio = m_gpioDevices.key(device);
if (!gpio)
return;
m_gpioDevices.remove(gpio);
if (m_raspberryPiGpios.values().contains(gpio))
m_raspberryPiGpios.remove(gpio->gpioNumber());
if (m_beagleboneBlackGpios.values().contains(gpio))
m_beagleboneBlackGpios.remove(gpio->gpioNumber());
delete gpio;
}
if (m_monitorDevices.values().contains(device)) {
GpioMonitor *monitor = m_monitorDevices.key(device);
if (!monitor)
return;
m_monitorDevices.remove(monitor);
if (m_raspberryPiGpioMoniors.values().contains(monitor))
m_raspberryPiGpios.remove(monitor->gpio()->gpioNumber());
if (m_beagleboneBlackGpioMoniors.values().contains(monitor))
m_beagleboneBlackGpioMoniors.remove(monitor->gpio()->gpioNumber());
delete monitor;
}
}
DeviceManager::DeviceError DevicePluginGpio::executeAction(Device *device, const Action &action)
{
// Get the gpio
const DeviceClass deviceClass = deviceManager()->findDeviceClass(device->deviceClassId());
Gpio *gpio = Q_NULLPTR;
// Find the gpio in the corresponding hash
if (deviceClass.vendorId() == raspberryPiVendorId)
gpio = m_raspberryPiGpios.value(device->paramValue(gpioParamTypeId).toInt());
if (deviceClass.vendorId() == beagleboneBlackVendorId)
gpio = m_beagleboneBlackGpios.value(device->paramValue(gpioParamTypeId).toInt());
// Check if gpio was found
if (!gpio) {
qCWarning(dcGpioController()) << "Could not find gpio for executing action on" << device->name();
return DeviceManager::DeviceErrorHardwareNotAvailable;
}
// GPIO Switch power action
if (action.actionTypeId() == powerValueActionTypeId) {
bool success = false;
if (action.param(powerValueStateParamTypeId).value().toBool()) {
success = gpio->setValue(Gpio::ValueHigh);
} else {
success = gpio->setValue(Gpio::ValueLow);
}
if (!success) {
qCWarning(dcGpioController()) << "Could not set gpio value while execute action on" << device->name();
return DeviceManager::DeviceErrorHardwareFailure;
}
// Set the current state
device->setStateValue(powerValueStateTypeId, action.param(powerValueStateParamTypeId).value());
return DeviceManager::DeviceErrorNoError;
}
return DeviceManager::DeviceErrorNoError;
}
void DevicePluginGpio::postSetupDevice(Device *device)
{
if (device->deviceClassId() == gpioSwitchRpiDeviceClassId || device->deviceClassId() == gpioSwitchBbbDeviceClassId) {
Gpio *gpio = m_gpioDevices.key(device);
if (!gpio)
return;
gpio->setValue(Gpio::ValueLow);
device->setStateValue(powerValueStateTypeId, false);
}
if (device->deviceClassId() == gpioButtonRpiDeviceClassId || device->deviceClassId() == gpioButtonBbbDeviceClassId) {
GpioMonitor *monitor = m_monitorDevices.key(device);
if (!monitor)
return;
device->setStateValue(pressedStateTypeId, monitor->value());
}
}
QList<GpioDescriptor> DevicePluginGpio::raspberryPiGpioDescriptors()
{
// Note: http://www.raspberrypi-spy.co.uk/wp-content/uploads/2012/06/Raspberry-Pi-GPIO-Layout-Model-B-Plus-rotated-2700x900.png
QList<GpioDescriptor> gpioDescriptors;
gpioDescriptors << GpioDescriptor(2, 3, "SDA1_I2C");
gpioDescriptors << GpioDescriptor(3, 5, "SCL1_I2C");
gpioDescriptors << GpioDescriptor(4, 7);
gpioDescriptors << GpioDescriptor(5, 29);
gpioDescriptors << GpioDescriptor(6, 31);
gpioDescriptors << GpioDescriptor(7, 26, "SPI0_CE1_N");
gpioDescriptors << GpioDescriptor(8, 24, "SPI0_CE0_N");
gpioDescriptors << GpioDescriptor(9, 21, "SPI0_MISO");
gpioDescriptors << GpioDescriptor(10, 19, "SPI0_MOSI");
gpioDescriptors << GpioDescriptor(11, 23, "SPI0_SCLK");
gpioDescriptors << GpioDescriptor(12, 32);
gpioDescriptors << GpioDescriptor(13, 33);
gpioDescriptors << GpioDescriptor(14, 8, "UART0_TXD");
gpioDescriptors << GpioDescriptor(15, 10, "UART0_RXD");
gpioDescriptors << GpioDescriptor(16, 36);
gpioDescriptors << GpioDescriptor(17, 11);
gpioDescriptors << GpioDescriptor(18, 12, "PCM_CLK");
gpioDescriptors << GpioDescriptor(19, 35);
gpioDescriptors << GpioDescriptor(20, 38);
gpioDescriptors << GpioDescriptor(21, 40);
gpioDescriptors << GpioDescriptor(22, 15);
gpioDescriptors << GpioDescriptor(23, 16);
gpioDescriptors << GpioDescriptor(24, 18);
gpioDescriptors << GpioDescriptor(25, 22);
gpioDescriptors << GpioDescriptor(26, 37);
gpioDescriptors << GpioDescriptor(27, 13);
return gpioDescriptors;
}
QList<GpioDescriptor> DevicePluginGpio::beagleboneBlackGpioDescriptors()
{
// Note: https://www.mathworks.com/help/examples/beaglebone_product/beaglebone_black_gpio_pinmap.png
QList<GpioDescriptor> gpioDescriptors;
gpioDescriptors << GpioDescriptor(2, 22, "P9");
gpioDescriptors << GpioDescriptor(3, 21, "P9");
gpioDescriptors << GpioDescriptor(4, 18, "P9 - I2C1_SDA");
gpioDescriptors << GpioDescriptor(5, 17, "P9 - I2C1_SCL");
gpioDescriptors << GpioDescriptor(7, 42, "P9");
gpioDescriptors << GpioDescriptor(12, 20, "P9 - I2C2_SDA");
gpioDescriptors << GpioDescriptor(13, 19, "P9 - I2C2_SCL");
gpioDescriptors << GpioDescriptor(14, 26, "P9");
gpioDescriptors << GpioDescriptor(15, 24, "P9");
gpioDescriptors << GpioDescriptor(20, 41, "P9");
gpioDescriptors << GpioDescriptor(30, 11, "P9");
gpioDescriptors << GpioDescriptor(31, 13, "P9");
gpioDescriptors << GpioDescriptor(48, 15, "P9");
gpioDescriptors << GpioDescriptor(49, 23, "P9");
gpioDescriptors << GpioDescriptor(50, 14, "P9");
gpioDescriptors << GpioDescriptor(51, 16, "P9");
gpioDescriptors << GpioDescriptor(60, 12, "P9");
gpioDescriptors << GpioDescriptor(117, 25, "P9");
gpioDescriptors << GpioDescriptor(120, 31, "P9");
gpioDescriptors << GpioDescriptor(121, 29, "P9");
gpioDescriptors << GpioDescriptor(122, 30, "P9");
gpioDescriptors << GpioDescriptor(123, 28, "P9");
gpioDescriptors << GpioDescriptor(8, 35, "P8 - LCD_DATA12");
gpioDescriptors << GpioDescriptor(9, 33, "P8 - LCD_DATA13");
gpioDescriptors << GpioDescriptor(10, 31, "P8 - LCD_DATA14");
gpioDescriptors << GpioDescriptor(11, 32, "P8 - LCD_DATA15");
gpioDescriptors << GpioDescriptor(22, 19, "P8");
gpioDescriptors << GpioDescriptor(23, 13, "P8");
gpioDescriptors << GpioDescriptor(26, 14, "P8");
gpioDescriptors << GpioDescriptor(27, 17, "P8");
gpioDescriptors << GpioDescriptor(32, 25, "P8 - MMC1-DAT0");
gpioDescriptors << GpioDescriptor(33, 24, "P8 - MMC1_DAT1");
gpioDescriptors << GpioDescriptor(34, 5, "P8 - MMC1_DAT2");
gpioDescriptors << GpioDescriptor(35, 6, "P8 - MMC1_DAT3");
gpioDescriptors << GpioDescriptor(36, 23, "P8 - MMC1-DAT4");
gpioDescriptors << GpioDescriptor(37, 22, "P8 - MMC1_DAT5");
gpioDescriptors << GpioDescriptor(38, 3, "P8 - MMC1_DAT6");
gpioDescriptors << GpioDescriptor(39, 4, "P8 - MMC1_DAT7");
gpioDescriptors << GpioDescriptor(44, 12, "P8");
gpioDescriptors << GpioDescriptor(45, 11, "P8");
gpioDescriptors << GpioDescriptor(46, 16, "P8");
gpioDescriptors << GpioDescriptor(47, 15, "P8");
gpioDescriptors << GpioDescriptor(61, 26, "P8");
gpioDescriptors << GpioDescriptor(62, 21, "P8 - MMC1-CLK");
gpioDescriptors << GpioDescriptor(63, 20, "P8 - MMC1_CMD");
gpioDescriptors << GpioDescriptor(65, 18, "P8");
gpioDescriptors << GpioDescriptor(66, 7, "P8");
gpioDescriptors << GpioDescriptor(67, 8, "P8");
gpioDescriptors << GpioDescriptor(68, 10, "P8");
gpioDescriptors << GpioDescriptor(69, 9, "P8");
gpioDescriptors << GpioDescriptor(70, 45, "P8 - LCD_DATA0");
gpioDescriptors << GpioDescriptor(71, 46, "P8 - LCD_DATA1");
gpioDescriptors << GpioDescriptor(72, 43, "P8 - LCD_DATA2");
gpioDescriptors << GpioDescriptor(73, 44, "P8 - LCD_DATA3");
gpioDescriptors << GpioDescriptor(74, 41, "P8 - LCD_DATA4");
gpioDescriptors << GpioDescriptor(75, 42, "P8 - LCD_DATA5");
gpioDescriptors << GpioDescriptor(76, 39, "P8 - LCD_DATA6");
gpioDescriptors << GpioDescriptor(77, 40, "P8 - LCD_DATA7");
gpioDescriptors << GpioDescriptor(78, 37, "P8 - LCD_DATA8");
gpioDescriptors << GpioDescriptor(79, 38, "P8 - LCD_DATA9");
gpioDescriptors << GpioDescriptor(80, 36, "P8 - LCD_DATA10");
gpioDescriptors << GpioDescriptor(81, 34, "P8 - LCD_DATA11");
gpioDescriptors << GpioDescriptor(86, 27, "P8 - LCD_VSYNC");
gpioDescriptors << GpioDescriptor(87, 29, "P8 - LCD_HSYNC");
gpioDescriptors << GpioDescriptor(88, 28, "P8 - LCD_PCLK");
gpioDescriptors << GpioDescriptor(89, 30, "P8 - LCD_AC_BIAS_E");
return gpioDescriptors;
}
void DevicePluginGpio::onGpioValueChanged(const bool &value)
{
GpioMonitor *monitor = static_cast<GpioMonitor *>(sender());
Device *device = m_monitorDevices.value(monitor);
if (!device)
return;
device->setStateValue(pressedStateTypeId, value);
}