Digital: Retrieve trigger out.

Add the out trigger as an attribute inside m2k.
Add getter inside digital interface for trigger out.

Signed-off-by: Teo Perisanu <[email protected]>

Author: Teo Perisanu

include/libm2k/digital/m2kdigital.hpp

@@ -26,6 +26,7 @@
 #include <libm2k/digital/enums.hpp>
 #include <libm2k/analog/enums.hpp>
 #include <libm2k/m2khardwaretrigger.hpp>
+#include <libm2k/m2kouthardwaretrigger.hpp>
 #include <string>
 #include <vector>
 
@@ -352,6 +353,13 @@ class LIBM2K_API M2kDigital
 	virtual libm2k::M2kHardwareTrigger* getTrigger() = 0;
 
 
+	/**
+	 * @brief Get the hardware trigger out handler
+	 * @return the trigger object
+	 */
+	virtual libm2k::M2kOutHardwareTrigger* getOutTrigger() = 0;
+
+
 	/**
 	 * @brief Set the kernel buffers for input to a specific value
 	 * @param count the number of kernel buffers

src/digital/m2kdigital_impl.cpp

@@ -38,7 +38,7 @@ std::vector<std::string> M2kDigitalImpl::m_output_mode = {
 	"push-pull",
 };
 
-M2kDigitalImpl::M2kDigitalImpl(struct iio_context *ctx, std::string logic_dev, bool sync, M2kHardwareTrigger *trigger)
+M2kDigitalImpl::M2kDigitalImpl(struct iio_context *ctx, std::string logic_dev, bool sync, M2kHardwareTrigger *trigger, M2kOutHardwareTrigger *trigger_out)
 {
 	__try {
 		m_dev_generic = make_shared<DeviceGeneric>(ctx, logic_dev);
@@ -48,6 +48,7 @@ M2kDigitalImpl::M2kDigitalImpl(struct iio_context *ctx, std::string logic_dev, b
 	}
 
 	m_trigger = trigger;
+	m_trigger_out = trigger_out;
 	m_dev_name_write = logic_dev + "-tx";
 	m_dev_name_read = logic_dev + "-rx";
 
@@ -347,6 +348,14 @@ M2kHardwareTrigger* M2kDigitalImpl::getTrigger()
 	return m_trigger;
 }
 
+M2kOutHardwareTrigger* M2kDigitalImpl::getOutTrigger()
+{
+	if (!m_trigger_out) {
+		throw_exception(EXC_INVALID_PARAMETER, "Digital TX trigger is not available");
+	}
+	return m_trigger_out;
+}
+
 void M2kDigitalImpl::setOutputMode(DIO_CHANNEL chn, DIO_MODE mode)
 {
 	std::string output_mode = m_output_mode[mode];

src/digital/m2kdigital_impl.hpp

@@ -38,7 +38,7 @@ namespace digital {
 class M2kDigitalImpl : public M2kDigital
 {
 public:
-	M2kDigitalImpl(struct iio_context* ctx, std::string logic_dev, bool sync, M2kHardwareTrigger *trigger);
+	M2kDigitalImpl(struct iio_context* ctx, std::string logic_dev, bool sync, M2kHardwareTrigger *trigger, M2kOutHardwareTrigger *trigger_out);
 	virtual ~M2kDigitalImpl();
 
 	void reset();
@@ -85,6 +85,7 @@ class M2kDigitalImpl : public M2kDigital
 	void setCyclic(bool cyclic);
 
 	libm2k::M2kHardwareTrigger* getTrigger();
+	libm2k::M2kOutHardwareTrigger* getOutTrigger() override;
 
 	void setKernelBuffersCountIn(unsigned int count);
 	void setKernelBuffersCountOut(unsigned int count);
@@ -108,6 +109,7 @@ class M2kDigitalImpl : public M2kDigital
 	std::vector<bool> m_tx_channels_enabled;
 	std::vector<bool> m_rx_channels_enabled;
 	libm2k::M2kHardwareTrigger *m_trigger;
+	libm2k::M2kOutHardwareTrigger *m_trigger_out;
 	static std::vector<std::string> m_output_mode;
 
 	void syncDevice();

src/m2k_impl.cpp

@@ -25,6 +25,7 @@
 #include "analog/m2kpowersupply_impl.hpp"
 #include "m2khardwaretrigger_impl.hpp"
 #include "m2khardwaretrigger_v0.24_impl.hpp"
+#include "m2kouthardwaretrigger_impl.hpp"
 #include "m2kcalibration_impl.hpp"
 #include <libm2k/analog/dmm.hpp>
 #include "utils/channel.hpp"
@@ -66,13 +67,17 @@ M2kImpl::M2kImpl(std::string uri, iio_context* ctx, std::string name, bool sync)
 
 	m_firmware_version = getFirmwareVersion();
 
-	int diff = Utils::compareVersions(m_firmware_version, "v0.24");
-	if (diff < 0) {	//m_firmware_version < 0.24
+	int diff_v024 = Utils::compareVersions(m_firmware_version, "v0.24");
+	if (diff_v024 < 0) {	//m_firmware_version < 0.24
 		m_trigger = new M2kHardwareTriggerImpl(ctx);
 	} else {
 		m_trigger = new M2kHardwareTriggerV024Impl(ctx);
 	}
-
+	// TODO replace v0.25 -> v0.26 and change the comp condition
+	int diff_v026 = Utils::compareVersions(m_firmware_version, "v0.25");
+	if (diff_v026 < 0) {
+		m_trigger_out = new M2kOutHardwareTriggerImpl(ctx);
+	}
 	if (!m_trigger) {
 		throw_exception(EXC_INVALID_PARAMETER, "Can't instantiate M2K board; M2K trigger is invalid.");
 	}
@@ -187,7 +192,7 @@ void M2kImpl::scanAllPowerSupply()
 
 void M2kImpl::scanAllDigital()
 {
-	libm2k::digital::M2kDigital* logic = new libm2k::digital::M2kDigitalImpl(m_context, "m2k-logic-analyzer", m_sync, m_trigger);
+	libm2k::digital::M2kDigital* logic = new libm2k::digital::M2kDigitalImpl(m_context, "m2k-logic-analyzer", m_sync, m_trigger, m_trigger_out);
 	m_instancesDigital.push_back(logic);
 }
 

src/m2k_impl.hpp

@@ -27,6 +27,7 @@
 
 namespace libm2k {
 class M2kHardwareTrigger;
+class M2kOutHardwareTrigger;
 class M2kCalibration;
 
 namespace context {
@@ -73,6 +74,7 @@ class M2kImpl : public M2k, public ContextImpl
 private:
 	M2kCalibration* m_calibration;
 	libm2k::M2kHardwareTrigger *m_trigger;
+	libm2k::M2kOutHardwareTrigger *m_trigger_out;
 	std::vector<analog::M2kAnalogOut*> m_instancesAnalogOut;
 	std::vector<analog::M2kAnalogIn*> m_instancesAnalogIn;
 	std::vector<analog::M2kPowerSupply*> m_instancesPowerSupply;