Merge pull request 'I2C Info, minor fixes, GPIO ctor for simple input pins' (#10) from meier/master into master

Reviewed-on: #10

common/gpio/gpioDefinitions.h

@@ -61,7 +61,7 @@ public:
 
     virtual~ GpioBase() {};
 
-    /* Can be used to cast GpioBase to a concrete child implementation */
+    // Can be used to cast GpioBase to a concrete child implementation
     gpio::GpioTypes gpioType = gpio::GpioTypes::NONE;
     std::string consumer;
     gpio::Direction direction = gpio::Direction::IN;
@@ -70,13 +70,21 @@ public:
 
 class GpiodRegular: public GpioBase {
 public:
-    GpiodRegular(): GpioBase(gpio::GpioTypes::GPIO_REGULAR, std::string(),
+    GpiodRegular() :
-            gpio::Direction::IN, 0) {};
+            GpioBase(gpio::GpioTypes::GPIO_REGULAR, std::string(), gpio::Direction::IN, 0) {
+    }
+    ;
 
     GpiodRegular(std::string chipname_, int lineNum_, std::string consumer_,
             gpio::Direction direction_, int initValue_) :
             GpioBase(gpio::GpioTypes::GPIO_REGULAR, consumer_, direction_, initValue_),
-            chipname(chipname_), lineNum(lineNum_) {}
+            chipname(chipname_), lineNum(lineNum_) {
+    }
+
+    GpiodRegular(std::string chipname_, int lineNum_, std::string consumer_) :
+            GpioBase(gpio::GpioTypes::GPIO_REGULAR, consumer_, gpio::Direction::IN, 0),
+            chipname(chipname_), lineNum(lineNum_) {
+    }
     std::string chipname;
     int lineNum = 0;
     struct gpiod_line* lineHandle = nullptr;

linux/gpio/LinuxLibgpioIF.h

@@ -17,7 +17,7 @@ class GpioCookie;
 class LinuxLibgpioIF : public GpioIF, public SystemObject {
 public:
 
-    static const uint8_t gpioRetvalId = CLASS_ID::LINUX_LIBGPIO_IF;
+    static const uint8_t gpioRetvalId = CLASS_ID::HAL_GPIO;
 
     static constexpr ReturnValue_t UNKNOWN_GPIO_ID =
             HasReturnvaluesIF::makeReturnCode(gpioRetvalId, 1);

linux/i2c/I2cComIF.cpp

@@ -38,7 +38,7 @@ ReturnValue_t I2cComIF::initializeInterface(CookieIF* cookie) {
     i2cDeviceMapIter = i2cDeviceMap.find(i2cAddress);
     if(i2cDeviceMapIter == i2cDeviceMap.end()) {
         size_t maxReplyLen = i2cCookie->getMaxReplyLen();
-        I2cInstance_t i2cInstance = {std::vector<uint8_t>(maxReplyLen), 0};
+        I2cInstance i2cInstance = {std::vector<uint8_t>(maxReplyLen), 0};
         auto statusPair = i2cDeviceMap.emplace(i2cAddress, i2cInstance);
         if (not statusPair.second) {
             sif::error << "I2cComIF::initializeInterface: Failed to insert device with address " <<
@@ -146,10 +146,16 @@ ReturnValue_t I2cComIF::requestReceiveMessage(CookieIF *cookie,
 
     uint8_t* replyBuffer = i2cDeviceMapIter->second.replyBuffer.data();
 
-    if (read(fd, replyBuffer, requestLen) != static_cast<int>(requestLen)) {
+    int readLen = read(fd, replyBuffer, requestLen);
+
+    if (readLen != static_cast<int>(requestLen)) {
+#if FSFW_VERBOSE_LEVEL >= 1 and FSFW_CPP_OSTREAM_ENABLED == 1
         sif::error << "I2cComIF::requestReceiveMessage: Reading from I2C "
                 << "device failed with error code " << errno <<". Description"
                 << " of error: " << strerror(errno) << std::endl;
+        sif::error << "I2cComIF::requestReceiveMessage: Read only " << readLen << " from "
+                << requestLen << " bytes" << std::endl;
+#endif
         i2cDeviceMapIter->second.replyLen = 0;
         return HasReturnvaluesIF::RETURN_FAILED;
     }

linux/i2c/I2cComIF.h

@@ -9,8 +9,10 @@
 #include <vector>
 
 /**
- * @brief 	This is the communication interface for i2c devices connected
+ * @brief 	This is the communication interface for I2C devices connected
- * 			to a system running a linux OS.
+ * 			to a system running a Linux OS.
+ *
+ * @note    The Xilinx Linux kernel might not support to read more than 255 bytes at once.
  *
  * @author 	J. Meier
  */
@@ -31,12 +33,12 @@ public:
 
 private:
 
-	typedef struct I2cInstance {
+	struct I2cInstance {
 		std::vector<uint8_t> replyBuffer;
 		size_t replyLen;
-	} I2cInstance_t;
+	};
 
-	using I2cDeviceMap = std::unordered_map<address_t, I2cInstance_t>;
+	using I2cDeviceMap = std::unordered_map<address_t, I2cInstance>;
 	using I2cDeviceMapIter = I2cDeviceMap::iterator;
 
 	/* In this map all i2c devices will be registered with their address and

linux/spi/SpiComIF.h

@@ -22,7 +22,7 @@ class SpiCookie;
  */
 class SpiComIF: public DeviceCommunicationIF, public SystemObject {
 public:
-    static constexpr uint8_t spiRetvalId = CLASS_ID::LINUX_SPI_COM_IF;
+    static constexpr uint8_t spiRetvalId = CLASS_ID::HAL_SPI;
     static constexpr ReturnValue_t OPENING_FILE_FAILED =
             HasReturnvaluesIF::makeReturnCode(spiRetvalId, 0);
     /* Full duplex (ioctl) transfer failure */