changed hal linux uart baudrate and bits per word to enums

CHANGELOG.md

@@ -22,6 +22,8 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
   PR: https://egit.irs.uni-stuttgart.de/fsfw/fsfw/pulls/572
 - HAL Devicehandlers: Periodic printout is run-time configurable now
 - `oneShotAction` flag in the `TestTask` class is not static anymore
+- HAL Linux Uart: Baudrate and bits per word are enums now, avoiding misconfigurations
+  PR: https://egit.irs.uni-stuttgart.de/fsfw/fsfw/pulls/585
 
 ## Removed
 
@@ -35,8 +37,6 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Dedicated Version class and constant `fsfw::FSFW_VERSION` containing version information
   inside `fsfw/version.h`
   PR: https://egit.irs.uni-stuttgart.de/fsfw/fsfw/pulls/559
-- Additional baudrates for Linux UART HAL
-  PR: https://egit.irs.uni-stuttgart.de/fsfw/fsfw/pulls/581
 
 # [v4.0.0]
 

hal/src/fsfw_hal/linux/uart/UartComIF.cpp

@@ -148,16 +148,16 @@ void UartComIF::setDatasizeOptions(struct termios* options, UartCookie* uartCook
   /* Clear size bits */
   options->c_cflag &= ~CSIZE;
   switch (uartCookie->getBitsPerWord()) {
-    case 5:
+    case BitsPerWord::BITS_5:
       options->c_cflag |= CS5;
       break;
-    case 6:
+    case BitsPerWord::BITS_6:
       options->c_cflag |= CS6;
       break;
-    case 7:
+    case BitsPerWord::BITS_7:
       options->c_cflag |= CS7;
       break;
-    case 8:
+    case BitsPerWord::BITS_8:
       options->c_cflag |= CS8;
       break;
     default:
@@ -193,123 +193,123 @@ void UartComIF::setFixedOptions(struct termios* options) {
 
 void UartComIF::configureBaudrate(struct termios* options, UartCookie* uartCookie) {
   switch (uartCookie->getBaudrate()) {
-    case 50:
+    case UartBaudRate::RATE_50:
       cfsetispeed(options, B50);
       cfsetospeed(options, B50);
       break;
-    case 75:
+    case UartBaudRate::RATE_75:
       cfsetispeed(options, B75);
       cfsetospeed(options, B75);
       break;
-    case 110:
+    case UartBaudRate::RATE_110:
       cfsetispeed(options, B110);
       cfsetospeed(options, B110);
       break;
-    case 134:
+    case UartBaudRate::RATE_134:
       cfsetispeed(options, B134);
       cfsetospeed(options, B134);
       break;
-    case 150:
+    case UartBaudRate::RATE_150:
       cfsetispeed(options, B150);
       cfsetospeed(options, B150);
       break;
-    case 200:
+    case UartBaudRate::RATE_200:
       cfsetispeed(options, B200);
       cfsetospeed(options, B200);
       break;
-    case 300:
+    case UartBaudRate::RATE_300:
       cfsetispeed(options, B300);
       cfsetospeed(options, B300);
       break;
-    case 600:
+    case UartBaudRate::RATE_600:
       cfsetispeed(options, B600);
       cfsetospeed(options, B600);
       break;
-    case 1200:
+    case UartBaudRate::RATE_1200:
       cfsetispeed(options, B1200);
       cfsetospeed(options, B1200);
       break;
-    case 1800:
+    case UartBaudRate::RATE_1800:
       cfsetispeed(options, B1800);
       cfsetospeed(options, B1800);
       break;
-    case 2400:
+    case UartBaudRate::RATE_2400:
       cfsetispeed(options, B2400);
       cfsetospeed(options, B2400);
       break;
-    case 4800:
+    case UartBaudRate::RATE_4800:
       cfsetispeed(options, B4800);
       cfsetospeed(options, B4800);
       break;
-    case 9600:
+    case UartBaudRate::RATE_9600:
       cfsetispeed(options, B9600);
       cfsetospeed(options, B9600);
       break;
-    case 19200:
+    case UartBaudRate::RATE_19200:
       cfsetispeed(options, B19200);
       cfsetospeed(options, B19200);
       break;
-    case 38400:
+    case UartBaudRate::RATE_38400:
       cfsetispeed(options, B38400);
       cfsetospeed(options, B38400);
       break;
-    case 57600:
+    case UartBaudRate::RATE_57600:
       cfsetispeed(options, B57600);
       cfsetospeed(options, B57600);
       break;
-    case 115200:
+    case UartBaudRate::RATE_115200:
       cfsetispeed(options, B115200);
       cfsetospeed(options, B115200);
       break;
-    case 230400:
+    case UartBaudRate::RATE_230400:
       cfsetispeed(options, B230400);
       cfsetospeed(options, B230400);
       break;
-    case 460800:
+    case UartBaudRate::RATE_460800:
       cfsetispeed(options, B460800);
       cfsetospeed(options, B460800);
       break;
-    case 500000:
+    case UartBaudRate::RATE_500000:
       cfsetispeed(options, B500000);
       cfsetospeed(options, B500000);
       break;
-    case 576000:
+    case UartBaudRate::RATE_576000:
       cfsetispeed(options, B576000);
       cfsetospeed(options, B576000);
       break;
-    case 921600:
+    case UartBaudRate::RATE_921600:
       cfsetispeed(options, B921600);
       cfsetospeed(options, B921600);
       break;
-    case 1000000:
+    case UartBaudRate::RATE_1000000:
       cfsetispeed(options, B1000000);
       cfsetospeed(options, B1000000);
       break;
-    case 1152000:
+    case UartBaudRate::RATE_1152000:
       cfsetispeed(options, B1152000);
       cfsetospeed(options, B1152000);
       break;
-    case 1500000:
+    case UartBaudRate::RATE_1500000:
       cfsetispeed(options, B1500000);
       cfsetospeed(options, B1500000);
       break;
-    case 2000000:
+    case UartBaudRate::RATE_2000000:
       cfsetispeed(options, B2000000);
       cfsetospeed(options, B2000000);
       break;
-    case 2500000:
+    case UartBaudRate::RATE_2500000:
       cfsetispeed(options, B2500000);
       cfsetospeed(options, B2500000);
       break;
-    case 3000000:
+    case UartBaudRate::RATE_3000000:
       cfsetispeed(options, B3000000);
       cfsetospeed(options, B3000000);
       break;
-    case 3500000:
+    case UartBaudRate::RATE_3500000:
       cfsetispeed(options, B3500000);
       cfsetospeed(options, B3500000);
       break;
-    case 4000000:
+    case UartBaudRate::RATE_4000000:
       cfsetispeed(options, B4000000);
       cfsetospeed(options, B4000000);
       break;

hal/src/fsfw_hal/linux/uart/UartCookie.cpp

@@ -3,7 +3,7 @@
 #include <fsfw/serviceinterface.h>
 
 UartCookie::UartCookie(object_id_t handlerId, std::string deviceFile, UartModes uartMode,
-                       uint32_t baudrate, size_t maxReplyLen)
+                       UartBaudRate baudrate, size_t maxReplyLen)
     : handlerId(handlerId),
       deviceFile(deviceFile),
       uartMode(uartMode),
@@ -12,7 +12,7 @@ UartCookie::UartCookie(object_id_t handlerId, std::string deviceFile, UartModes
 
 UartCookie::~UartCookie() {}
 
-uint32_t UartCookie::getBaudrate() const { return baudrate; }
+UartBaudRate UartCookie::getBaudrate() const { return baudrate; }
 
 size_t UartCookie::getMaxReplyLen() const { return maxReplyLen; }
 
@@ -24,23 +24,11 @@ void UartCookie::setParityEven() { parity = Parity::EVEN; }
 
 Parity UartCookie::getParity() const { return parity; }
 
-void UartCookie::setBitsPerWord(uint8_t bitsPerWord_) {
+void UartCookie::setBitsPerWord(BitsPerWord bitsPerWord_) {
-  switch (bitsPerWord_) {
-    case 5:
-    case 6:
-    case 7:
-    case 8:
-      break;
-    default:
-#if FSFW_CPP_OSTREAM_ENABLED == 1
-      sif::debug << "UartCookie::setBitsPerWord: Invalid bits per word specified" << std::endl;
-#endif
-      return;
-  }
   bitsPerWord = bitsPerWord_;
 }
 
-uint8_t UartCookie::getBitsPerWord() const { return bitsPerWord; }
+BitsPerWord UartCookie::getBitsPerWord() const { return bitsPerWord; }
 
 StopBits UartCookie::getStopBits() const { return stopBits; }
 

hal/src/fsfw_hal/linux/uart/UartCookie.h

@@ -12,6 +12,41 @@ enum class StopBits { ONE_STOP_BIT, TWO_STOP_BITS };
 
 enum class UartModes { CANONICAL, NON_CANONICAL };
 
+enum class BitsPerWord { BITS_5, BITS_6, BITS_7, BITS_8 };
+
+enum class UartBaudRate {
+  RATE_50,
+  RATE_75,
+  RATE_110,
+  RATE_134,
+  RATE_150,
+  RATE_200,
+  RATE_300,
+  RATE_600,
+  RATE_1200,
+  RATE_1800,
+  RATE_2400,
+  RATE_4800,
+  RATE_9600,
+  RATE_19200,
+  RATE_38400,
+  RATE_57600,
+  RATE_115200,
+  RATE_230400,
+  RATE_460800,
+  RATE_500000,
+  RATE_576000,
+  RATE_921600,
+  RATE_1000000,
+  RATE_1152000,
+  RATE_1500000,
+  RATE_2000000,
+  RATE_2500000,
+  RATE_3000000,
+  RATE_3500000,
+  RATE_4000000
+};
+
 /**
  * @brief   Cookie for the UartComIF. There are many options available to configure the UART driver.
  *          The constructor only requests for common options like the baudrate. Other options can
@@ -27,25 +62,23 @@ class UartCookie : public CookieIF {
    * @param uartMode      Specify the UART mode. The canonical mode should be used if the
    *                      messages are separated by a delimited character like '\n'. See the
    *                      termios documentation for more information
-   * @param baudrate      The baudrate to use for input and output. Possible Baudrates are: 50,
+   * @param baudrate      The baudrate to use for input and output.
-   *                      75, 110, 134, 150, 200, 300, 600, 1200, 1800, 2400, 4800, 9600, B19200,
-   *                      38400, 57600, 115200, 230400, 460800
    * @param maxReplyLen   The maximum size an object using this cookie expects
    * @details
    * Default configuration: No parity
    *                        8 databits (number of bits transfered with one uart frame)
    *                        One stop bit
    */
-  UartCookie(object_id_t handlerId, std::string deviceFile, UartModes uartMode, uint32_t baudrate,
+  UartCookie(object_id_t handlerId, std::string deviceFile, UartModes uartMode,
-             size_t maxReplyLen);
+             UartBaudRate baudrate, size_t maxReplyLen);
 
   virtual ~UartCookie();
 
-  uint32_t getBaudrate() const;
+  UartBaudRate getBaudrate() const;
   size_t getMaxReplyLen() const;
   std::string getDeviceFile() const;
   Parity getParity() const;
-  uint8_t getBitsPerWord() const;
+  BitsPerWord getBitsPerWord() const;
   StopBits getStopBits() const;
   UartModes getUartMode() const;
   object_id_t getHandlerId() const;
@@ -76,7 +109,7 @@ class UartCookie : public CookieIF {
   /**
    * Function two set number of bits per UART frame.
    */
-  void setBitsPerWord(uint8_t bitsPerWord_);
+  void setBitsPerWord(BitsPerWord bitsPerWord_);
 
   /**
    * Function to specify the number of stopbits.
@@ -97,10 +130,10 @@ class UartCookie : public CookieIF {
   std::string deviceFile;
   const UartModes uartMode;
   bool flushInput = false;
-  uint32_t baudrate;
+  UartBaudRate baudrate;
   size_t maxReplyLen = 0;
   Parity parity = Parity::NONE;
-  uint8_t bitsPerWord = 8;
+  BitsPerWord bitsPerWord = BitsPerWord::BITS_8;
   uint8_t readCycles = 1;
   StopBits stopBits = StopBits::ONE_STOP_BIT;
   bool replySizeFixed = true;