tmp1075handler and I2cComIF complete

2021-01-12 10:39:24 +01:00 · 2021-01-12 10:39:24 +01:00 · fd41c3b4db
commit fd41c3b4db
parent adef6eb188
6 changed files with 86 additions and 138 deletions
--- a/.gitignore
+++ b/.gitignore
@ -19,3 +19,4 @@ __pycache__

 !misc/eclipse/**/.cproject
 !misc/eclipse/**/.project
+/eive_obsw cmake debug/
--- a/bsp_q7s/comIF/I2cComIF.cpp
+++ b/bsp_q7s/comIF/I2cComIF.cpp
@ -14,6 +14,10 @@ I2cComIF::I2cComIF(object_id_t objectId): SystemObject(objectId){
 I2cComIF::~I2cComIF() {}

 ReturnValue_t I2cComIF::initializeInterface(CookieIF * cookie) {
+
+	address_t i2cAddress;
+	std::string deviceFile;
+
 	if(cookie == nullptr) {
 		return NULLPOINTER;
 	}
@ -24,40 +28,40 @@ ReturnValue_t I2cComIF::initializeInterface(CookieIF * cookie) {
 	    return NULLPOINTER;
 	}

-	address_t i2cAddress = i2cCookie->getAddress();
-
-	int fd;
-	std::string deviceFile = i2cCookie->getDeviceFile();
-	fd = open(deviceFile.c_str(), O_RDWR);
-	if (fd < 0) {
-		sif::error << "I2cComIF: Opening i2c device failed with error code "
-				<< errno << ". Error description: " << strerror(errno)
-				<< std::endl;
-	}
-
-	if (ioctl(fd, I2C_SLAVE, i2cAddress) < 0) {
-		sif::error << "I2cComIF: Specifying target device failed with error "
-				<< "code " << errno << ". Error description "
-				<< strerror(errno) << std::endl;
-	}
+	i2cAddress = i2cCookie->getAddress();

 	i2cDeviceMapIter = i2cDeviceMap.find(i2cAddress);
 	if(i2cDeviceMapIter == i2cDeviceMap.end()) {
 		size_t maxReplyLen = i2cCookie->getMaxReplyLen();
-		I2cInstance_t i2cInstance = {fd, std::vector<uint8_t>(maxReplyLen), 0};
-		i2cDeviceMap.emplace(i2cAddress, i2cInstance);
+		I2cInstance_t i2cInstance = {std::vector<uint8_t>(maxReplyLen), 0};
+		std::pair status = i2cDeviceMap.emplace(i2cAddress, i2cInstance);
+		if (status.second == false) {
+			sif::error << "I2cComIF::initializeInterface: Failed to insert "
+					<< "device with address " << i2cAddress << "to I2C device "
+					<< "map" << std::endl;
+			return HasReturnvaluesIF::RETURN_OK;
+		}
 	}
 	else {
 		sif::error << "I2cComIF: Device with address " << i2cAddress
 				<< "already in use" << std::endl;
 	}

+	i2cDeviceMapIter = i2cDeviceMap.find(i2cAddress);
+	if(i2cDeviceMapIter == i2cDeviceMap.end()) {
+		sif::error << "Failure" << std::endl;
+	}
+
 	return HasReturnvaluesIF::RETURN_OK;
 }

 ReturnValue_t I2cComIF::sendMessage(CookieIF *cookie,
        const uint8_t *sendData, size_t sendLen) {

+	ReturnValue_t result;
+	int fd;
+	std::string deviceFile;
+
 	if(sendData == nullptr) {
 	    sif::error << "I2cComIF::sendMessage: Send Data is nullptr"
 	            << std::endl;
@ -82,15 +86,21 @@ ReturnValue_t I2cComIF::sendMessage(CookieIF *cookie,
 				<< "registered in i2cDeviceMap" << std::endl;
 		return HasReturnvaluesIF::RETURN_FAILED;
 	}
-	int fd = i2cDeviceMapIter->second.fileDescriptor;
+
+	deviceFile = i2cCookie->getDeviceFile();
+	result = openDevice(deviceFile, i2cAddress, &fd);
+	if (result != HasReturnvaluesIF::RETURN_OK){
+		return result;
+	}

 	if (write(fd, sendData, sendLen) != (int)sendLen) {
 		sif::error << "I2cComIF::sendMessage: Failed to send data to I2C "
 				"device with error code " << errno << ". Error description: "
 				<< strerror(errno) << std::endl;
+		close(fd);
 		return HasReturnvaluesIF::RETURN_FAILED;
 	}
-
+	close(fd);
 	return HasReturnvaluesIF::RETURN_OK;
 }

@ -101,6 +111,10 @@ ReturnValue_t I2cComIF::getSendSuccess(CookieIF *cookie) {
 ReturnValue_t I2cComIF::requestReceiveMessage(CookieIF *cookie,
 		size_t requestLen) {

+	ReturnValue_t result;
+	int fd;
+	std::string deviceFile;
+
 	if (requestLen == 0) {
 		return HasReturnvaluesIF::RETURN_OK;
 	}
@ -109,6 +123,7 @@ ReturnValue_t I2cComIF::requestReceiveMessage(CookieIF *cookie,
 	if(i2cCookie == nullptr) {
 		sif::error << "I2cComIF::sendMessage: Invalid I2C Cookie!"
 				<< std::endl;
+		i2cDeviceMapIter->second.replyLen = 0;
 		return NULLPOINTER;
 	}

@ -117,20 +132,32 @@ ReturnValue_t I2cComIF::requestReceiveMessage(CookieIF *cookie,
 	if (i2cDeviceMapIter == i2cDeviceMap.end()) {
 		sif::error << "I2cComIF::requestReceiveMessage: i2cAddress of Cookie not "
 				<< "registered in i2cDeviceMap" << std::endl;
+		i2cDeviceMapIter->second.replyLen = 0;
 		return HasReturnvaluesIF::RETURN_FAILED;
 	}
-	int fd = i2cDeviceMapIter->second.fileDescriptor;
+
+	deviceFile = i2cCookie->getDeviceFile();
+	result = openDevice(deviceFile, i2cAddress, &fd);
+	if (result != HasReturnvaluesIF::RETURN_OK){
+		i2cDeviceMapIter->second.replyLen = 0;
+		return result;
+	}
+
 	uint8_t* replyBuffer = i2cDeviceMapIter->second.replyBuffer.data();

 	if (read(fd, replyBuffer, requestLen) != (int)requestLen) {
 		sif::error << "I2cComIF::requestReceiveMessage: Reading from I2C "
 				<< "device failed with error code " << errno <<". Description"
 				<< " of error: " << strerror(errno) << std::endl;
+		close(fd);
+		i2cDeviceMapIter->second.replyLen = 0;
 		return HasReturnvaluesIF::RETURN_FAILED;
 	}

 	i2cDeviceMapIter->second.replyLen = requestLen;

+	close(fd);
+
 	return HasReturnvaluesIF::RETURN_OK;
 }

@ -146,8 +173,8 @@ ReturnValue_t I2cComIF::readReceivedMessage(CookieIF *cookie,
 	address_t i2cAddress = i2cCookie->getAddress();
 	i2cDeviceMapIter = i2cDeviceMap.find(i2cAddress);
 	if (i2cDeviceMapIter == i2cDeviceMap.end()) {
-		sif::error << "I2cComIF::getReplyBuffer: i2cAddress of Cookie not "
-				<< "registered in i2cDeviceMap" << std::endl;
+		sif::error << "I2cComIF::readReceivedMessage: i2cAddress of Cookie not "
+				<< "found in i2cDeviceMap" << std::endl;
 		return HasReturnvaluesIF::RETURN_FAILED;
 	}
 	*buffer = i2cDeviceMapIter->second.replyBuffer.data();
@ -155,3 +182,22 @@ ReturnValue_t I2cComIF::readReceivedMessage(CookieIF *cookie,

 	return HasReturnvaluesIF::RETURN_OK;
 }
+
+ReturnValue_t I2cComIF::openDevice(std::string deviceFile,
+		address_t i2cAddress, int* fileDescriptor) {
+	*fileDescriptor = open(deviceFile.c_str(), O_RDWR);
+	if (*fileDescriptor < 0) {
+		sif::error << "I2cComIF: Opening i2c device failed with error code "
+				<< errno << ". Error description: " << strerror(errno)
+				<< std::endl;
+		return HasReturnvaluesIF::RETURN_FAILED;
+	}
+
+	if (ioctl(*fileDescriptor, I2C_SLAVE, i2cAddress) < 0) {
+		sif::error << "I2cComIF: Specifying target device failed with error "
+				<< "code " << errno << ". Error description "
+				<< strerror(errno) << std::endl;
+		return HasReturnvaluesIF::RETURN_FAILED;
+	}
+	return HasReturnvaluesIF::RETURN_OK;
+}
--- a/bsp_q7s/comIF/I2cComIF.h
+++ b/bsp_q7s/comIF/I2cComIF.h
@ -32,7 +32,6 @@ public:
 private:

 	typedef struct I2cInstance {
-		int fileDescriptor;
 		std::vector<uint8_t> replyBuffer;
 		size_t replyLen;
 	} I2cInstance_t;
@ -44,6 +43,17 @@ private:
 	 * the appropriate file descriptor will be stored */
 	I2cDeviceMap i2cDeviceMap;
 	I2cDeviceMapIter i2cDeviceMapIter;
+
+	/**
+	 * @brief	This function opens an i2c device and binds the opened file
+	 * 			to a specific i2c address.
+	 * @param deviceFile	The name of the device file. E.g. i2c-0
+	 * @param i2cAddress	The address of the i2c slave device.
+	 * @param fileDescriptor	Pointer to device descriptor.
+	 * @return	RETURN_OK if successful, otherwise RETURN_FAILED.
+	 */
+	ReturnValue_t openDevice(std::string deviceFile,
+			address_t i2cAddress, int* fileDescriptor);
 };

 #endif /* BSP_Q7S_COMIF_I2COMIF_H_ */
--- a/debug/makefile
+++ b/debug/makefile
@ -229,62 +229,6 @@ RM := del
 -include _obj/linux/devel/bsp_q7s/comIF/subdir.mk
 -include _obj/linux/devel/bsp_q7s/boardconfig/subdir.mk
 -include _obj/linux/devel/bsp_q7s/subdir.mk
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-include Debug/CMakeFiles/eive_obsw.dir/mission/devices/subdir.mk
-include Debug/CMakeFiles/eive_obsw.dir/mission/core/subdir.mk
-include Debug/CMakeFiles/eive_obsw.dir/fsfwconfig/pollingsequence/subdir.mk
-include Debug/CMakeFiles/eive_obsw.dir/fsfwconfig/ipc/subdir.mk
-include Debug/CMakeFiles/eive_obsw.dir/bsp_q7s/comIF/cookies/subdir.mk
-include Debug/CMakeFiles/eive_obsw.dir/bsp_q7s/comIF/subdir.mk
-include Debug/CMakeFiles/eive_obsw.dir/bsp_q7s/boardconfig/subdir.mk
-include Debug/CMakeFiles/eive_obsw.dir/bsp_q7s/subdir.mk
 -include Debug/CMakeFiles/3.19.1/CompilerIdCXX/subdir.mk
 -include Debug/CMakeFiles/3.19.1/CompilerIdC/subdir.mk
 -include subdir.mk
--- a/debug/sources.mk
+++ b/debug/sources.mk
@ -25,62 +25,6 @@ CPP_DEPS :=
 SUBDIRS := \
 Debug/CMakeFiles/3.19.1/CompilerIdC \
 Debug/CMakeFiles/3.19.1/CompilerIdCXX \
-Debug/CMakeFiles/eive_obsw.dir/bsp_q7s \
-Debug/CMakeFiles/eive_obsw.dir/bsp_q7s/boardconfig \
-Debug/CMakeFiles/eive_obsw.dir/bsp_q7s/comIF \
-Debug/CMakeFiles/eive_obsw.dir/bsp_q7s/comIF/cookies \
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-Debug/libcsp/CMakeFiles/libcsp.dir/src/interfaces \
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-Debug/libcsp/CMakeFiles/libcsp.dir/src/transport \
 _obj/linux/devel/bsp_q7s \
 _obj/linux/devel/bsp_q7s/boardconfig \
 _obj/linux/devel/bsp_q7s/comIF \
--- a/fsfwconfig/devices/addresses.h
+++ b/fsfwconfig/devices/addresses.h
@ -15,14 +15,17 @@ namespace addresses {
 	enum logicalAddresses: address_t {
 		PCDU,

-		TMP1075_TCS_1 = 72,
-		TMP1075_TCS_2 = 73,
 		/* Dummy and Test Addresses */
 		DUMMY_ECHO = 129,
 		DUMMY_GPS0  = 130,
 		DUMMY_GPS1 = 131,
 	};

+	enum i2cAddresses: address_t {
+		TMP1075_TCS_1 = 72,
+		TMP1075_TCS_2 = 73,
+	};
+
 	/* Addresses of devices supporting the CSP protocol */
 	enum cspAddresses: uint8_t {
 		P60DOCK = 4,