GPIO and ADC mangOH Green tutorials

samples/tutorials/hardwareInterfaces/adc/NoiseSensor/noiseData.adef

+sandboxed: true
+version: 1.0.0
+maxFileSystemBytes: 512K
+start: manual
+
+
+executables:
+{
+    noiseData = ( noiseDataComponent )
+}
+
+processes:
+{
+    envVars:
+    {
+        LE_LOG_LEVEL = DEBUG
+    }
+    run:
+    {
+        ( noiseData )
+    }
+    faultAction: restart
+}
+
+bindings:
+{
+    noiseData.noiseDataComponent.le_adc -> modemService.le_adc
+}

samples/tutorials/hardwareInterfaces/adc/NoiseSensor/noiseDataComponent/Component.cdef

+requires:
+{
+    api:
+    {
+        ${LEGATO_ROOT}/interfaces/modemServices/le_adc.api
+    }
+}
+
+sources:
+{
+   noiseData.c
+}

samples/tutorials/hardwareInterfaces/adc/NoiseSensor/noiseDataComponent/noiseData.c

+//--------------------------------------------------------------------------------------------------
+/** 
+ * This app reads the current adc reading every 1 seconds 
+ */
+//--------------------------------------------------------------------------------------------------
+#include "legato.h"
+#include "interfaces.h"
+
+//--------------------------------------------------------------------------------------------------
+/**
+ * The time between publishing ADC location readings
+ *
+ * @note Please change this timeout value as needed.
+ */
+//--------------------------------------------------------------------------------------------------
+#define ADC_SAMPLE_INTERVAL_IN_MILLISECONDS (1000)
+
+//--------------------------------------------------------------------------------------------------
+/**
+ * Timer handler  will publish the current ADC reading.
+ */
+//--------------------------------------------------------------------------------------------------
+static void adcTimer
+(
+    le_timer_Ref_t adcTimerRef
+)
+{
+    int32_t value;
+
+    const le_result_t result = le_adc_ReadValue("EXT_ADC1", &value);
+
+    if (result == LE_OK)
+    {
+        LE_INFO("EXT_ADC1 value is: %d", value);
+    }
+    else
+    {
+        LE_INFO("Couldn't get ADC value");
+    }
+}
+
+//--------------------------------------------------------------------------------------------------
+/**
+ * Main program starts here
+ */
+//--------------------------------------------------------------------------------------------------
+COMPONENT_INIT
+{
+    LE_INFO("---------------------- ADC Reading started");
+
+    le_timer_Ref_t adcTimerRef = le_timer_Create("ADC Timer");
+    le_timer_SetMsInterval(adcTimerRef, ADC_SAMPLE_INTERVAL_IN_MILLISECONDS);
+    le_timer_SetRepeat(adcTimerRef, 0);
+
+    le_timer_SetHandler(adcTimerRef, adcTimer);
+
+    le_timer_Start(adcTimerRef);
+}

samples/tutorials/hardwareInterfaces/gpio/Cf3GpioControl/cf3GpioControl.adef

+sandboxed: true
+version: 1.0.0
+maxFileSystemBytes: 512K
+start: manual
+
+
+executables:
+{
+    cf3GpioControl = ( cf3GpioControlComponent )
+}
+
+processes:
+{
+    envVars:
+    {
+        LE_LOG_LEVEL = DEBUG
+    }
+    run:
+    {
+        ( cf3GpioControl )
+    }
+    faultAction: restart
+}
+
+bindings:
+{
+    cf3GpioControl.cf3GpioControlComponent.le_sensorGpio -> <root>.le_gpioPin25
+    cf3GpioControl.cf3GpioControlComponent.mangoh_ledGpio -> gpioExpanderService.mangoh_gpioExp1Pin5
+}

samples/tutorials/hardwareInterfaces/gpio/Cf3GpioControl/cf3GpioControlComponent/Component.cdef

+requires:
+{
+    api:
+    {
+       le_sensorGpio = ${LEGATO_ROOT}/interfaces/le_gpio.api
+       mangoh_ledGpio = ${LEGATO_ROOT}/interfaces/le_gpio.api
+    }
+}
+
+sources:
+{
+   cf3GpioControl.c
+}

samples/tutorials/hardwareInterfaces/gpio/Cf3GpioControl/cf3GpioControlComponent/cf3GpioControl.c

+//--------------------------------------------------------------------------------------------------
+/** 
+ * This sample app reads state of  IoT1_GPIO1 (gpio25).
+ * If state change is detected, it makes corresponding change in state of LED D750.
+ * Use this sample to understand how to configure a gpio as an input or output
+ * and use call back function.
+ */
+//--------------------------------------------------------------------------------------------------
+#include "legato.h"
+#include "interfaces.h"
+
+//--------------------------------------------------------------------------------------------------
+/**
+ * Sets default configuration LED D750 as on
+ */
+//--------------------------------------------------------------------------------------------------
+static void ConfigureLed
+(
+    void
+)
+{
+    // Configure initial value as LED on
+   
+    LE_FATAL_IF(mangoh_ledGpio_SetPushPullOutput(MANGOH_LEDGPIO_ACTIVE_HIGH, true) != LE_OK,
+                "Couldn't configure LED PLAY as a push pull output");
+}
+
+//--------------------------------------------------------------------------------------------------
+/**
+ * Performs initial configuration of the CF3 gpio (IoT1_GPIO1)
+ */
+//--------------------------------------------------------------------------------------------------
+static void ConfigureSensorGpio
+(
+    void
+)
+{
+    // Configure IoT1_GPIO1 as input and set its initial value as high
+
+    LE_FATAL_IF(le_sensorGpio_SetInput(LE_SENSORGPIO_ACTIVE_HIGH ) != LE_OK,
+                "Couldn't configure cf3 gpio as default input high");
+}
+
+//--------------------------------------------------------------------------------------------------
+/**
+ * LED D750 changes state when IoT1_GPIO1 changes state
+ */
+//--------------------------------------------------------------------------------------------------
+static  void touch_ledGpio_ChangeHandler
+(
+    bool state, void *ctx
+)
+{
+    // set call back for change in state of GPIO
+    mangoh_ledGpio_SetEdgeSense(MANGOH_LEDGPIO_EDGE_BOTH);
+    if (state)
+    {
+        mangoh_ledGpio_Activate();
+    }
+    else
+    {
+        mangoh_ledGpio_Deactivate();
+    }
+}
+
+//--------------------------------------------------------------------------------------------------
+/**
+ * Main program starts here
+ */
+//--------------------------------------------------------------------------------------------------
+COMPONENT_INIT
+{
+
+    LE_INFO("===============CF3 gpio application has started");
+
+    ConfigureLed();
+    ConfigureSensorGpio();
+
+    le_sensorGpio_AddChangeEventHandler(LE_SENSORGPIO_EDGE_BOTH,
+                                        touch_ledGpio_ChangeHandler,
+                                        NULL,
+                                        0);
+}

samples/tutorials/hardwareInterfaces/gpio/TimerLed/timerLed.adef

+sandboxed: true
+version: 1.0.0
+maxFileSystemBytes: 512K
+start: manual
+
+
+executables:
+{
+    timerLed = ( timerLedComponent )
+}
+
+processes:
+{
+    envVars:
+    {
+        LE_LOG_LEVEL = DEBUG
+    }
+    run:
+    {
+        ( timerLed )
+    }
+    faultAction: restart
+}
+
+bindings:
+{
+    timerLed.timerLedComponent.mangoh_ledGpio -> gpioExpanderService.mangoh_gpioExp1Pin5
+}

samples/tutorials/hardwareInterfaces/gpio/TimerLed/timerLedComponent/Component.cdef

+requires:
+{
+    api:
+    {
+        mangoh_ledGpio = ${LEGATO_ROOT}/interfaces/le_gpio.api
+    }
+}
+
+sources:
+{
+    timerLed.c
+}

samples/tutorials/hardwareInterfaces/gpio/TimerLed/timerLedComponent/timerLed.c

+//--------------------------------------------------------------------------------------------------
+/*
+ * This sample app is a blinking LED at 1 second interval
+ */
+//--------------------------------------------------------------------------------------------------
+
+#include "legato.h"
+#include "interfaces.h"
+
+#define LED_SAMPLE_INTERVAL_IN_MILLISECONDS (1000)
+
+static int8_t state = 0;
+
+//--------------------------------------------------------------------------------------------------
+/**
+ * Sets default configuration LED D750 as on
+ */
+//--------------------------------------------------------------------------------------------------
+static void ConfigureLed
+(
+    void
+)
+{
+    // Configure initial value as LED off
+    LE_FATAL_IF(mangoh_ledGpio_SetPushPullOutput(MANGOH_LEDGPIO_ACTIVE_HIGH, true) != LE_OK,
+                "Couldn't configure LED PLAY as a push pull output");
+}
+
+//--------------------------------------------------------------------------------------------------
+/**
+ * LED D750 changes state as defined by LED_SAMPLE_INTERVAL_IN_SECONDS 
+ */
+//--------------------------------------------------------------------------------------------------
+static void ledTimer
+(
+    le_timer_Ref_t ledTimerRef
+)
+{
+    mangoh_ledGpio_SetEdgeSense(MANGOH_LEDGPIO_EDGE_BOTH);
+    if (state)
+    {
+        mangoh_ledGpio_Activate();
+        state = false;
+    }
+    else
+    {
+        mangoh_ledGpio_Deactivate();
+        state = true;
+    }
+}
+
+//--------------------------------------------------------------------------------------------------
+/**
+ * Main program starts here
+ */
+//--------------------------------------------------------------------------------------------------
+COMPONENT_INIT
+{
+    LE_INFO("===============blinking LED application has started");
+
+    ConfigureLed();
+
+    le_timer_Ref_t ledTimerRef = le_timer_Create("LED Timer");
+    le_timer_SetMsInterval(ledTimerRef, LED_SAMPLE_INTERVAL_IN_MILLISECONDS);
+    le_timer_SetRepeat(ledTimerRef, 0);
+
+    le_timer_SetHandler(ledTimerRef,ledTimer);
+    le_timer_Start(ledTimerRef);
+}

samples/tutorials/hardwareInterfaces/gpio/TouchSensor/touchData.adef

+sandboxed: true
+version: 1.0.0
+maxFileSystemBytes: 512K
+start: manual
+
+
+executables:
+{
+    touchData = ( touchDataComponent )
+}
+
+processes:
+{
+    envVars:
+    {
+        LE_LOG_LEVEL = DEBUG
+    }
+    run:
+    {
+        ( touchData )
+    }
+    faultAction: restart
+}
+
+bindings:
+{
+    touchData.touchDataComponent.mangoh_pushButton ->  gpioExpanderService.mangoh_gpioExp1Pin7
+    touchData.touchDataComponent.mangoh_ledGpio -> gpioExpanderService.mangoh_gpioExp1Pin5
+}

samples/tutorials/hardwareInterfaces/gpio/TouchSensor/touchDataComponent/Component.cdef

+requires:
+{
+    api:
+    {
+       mangoh_ledGpio = ${LEGATO_ROOT}/interfaces/le_gpio.api
+       mangoh_pushButton = ${LEGATO_ROOT}/interfaces/le_gpio.api
+    }
+}
+
+sources:
+{
+   touchData.c
+}

samples/tutorials/hardwareInterfaces/gpio/TouchSensor/touchDataComponent/touchData.c

+//--------------------------------------------------------------------------------------------------
+/** 
+ * This sample app reads state of  IoT1_GPIO1 (gpio25) or Push Button SW200
+ * If state change is detected, it makes corresponding change in state of LED D750
+ * Use this sample to understand how to configure a gpio as an input or output
+ * and use call back function
+ */
+//--------------------------------------------------------------------------------------------------
+
+#include "legato.h"
+#include "interfaces.h"
+
+
+//--------------------------------------------------------------------------------------------------
+/**
+ * Sets default configuration LED D750 as on
+ */
+//--------------------------------------------------------------------------------------------------
+static void ConfigureLed
+(
+    void
+)
+{
+    // Configure initial value as LED on
+   
+    LE_FATAL_IF(mangoh_ledGpio_SetPushPullOutput(MANGOH_LEDGPIO_ACTIVE_HIGH, true) != LE_OK,
+                "Couldn't configure LED PLAY as a push pull output");
+}
+
+//--------------------------------------------------------------------------------------------------
+/**
+ * Performs initial configuration of the push button (SW200)
+ */
+//--------------------------------------------------------------------------------------------------
+static void ConfigurePushButton
+(
+    void
+)
+{
+    // Configure Push Button as input and set its initial value as high
+
+    LE_FATAL_IF(mangoh_pushButton_SetInput(MANGOH_PUSHBUTTON_ACTIVE_HIGH ) != LE_OK,
+                "Couldn't configure touch sensor as default input high");
+}
+
+//--------------------------------------------------------------------------------------------------
+/**
+ * LED D750 changes state when Push Button changes state
+ */
+//--------------------------------------------------------------------------------------------------
+static  void touch_ledGpio_ChangeHandler
+(
+    bool state, void *ctx
+)
+{
+    // set call back for change in state of GPIO
+    mangoh_ledGpio_SetEdgeSense(MANGOH_LEDGPIO_EDGE_BOTH);
+    if (state)
+    {
+        mangoh_ledGpio_Activate();
+    }
+    else
+    {
+        mangoh_ledGpio_Deactivate();
+    }
+}
+
+//--------------------------------------------------------------------------------------------------
+/**
+ * Main program starts here
+ */
+//--------------------------------------------------------------------------------------------------
+COMPONENT_INIT
+{
+
+    LE_INFO("===============touchsensor application has started");
+
+    ConfigureLed();
+    ConfigurePushButton();
+
+    mangoh_pushButton_AddChangeEventHandler(MANGOH_PUSHBUTTON_EDGE_BOTH,
+                                            touch_ledGpio_ChangeHandler,
+                                            NULL,
+                                            0);
+}