only reset PTME on rate change init

linux/ipcore/AxiPtmeConfig.cpp

@@ -41,6 +41,12 @@ ReturnValue_t AxiPtmeConfig::writeCaduRateReg(uint8_t rateVal) {
   return returnvalue::OK;
 }
 
+uint8_t AxiPtmeConfig::readCaduRateReg() {
+  ReturnValue_t result = returnvalue::OK;
+  MutexGuard mg(mutex);
+  return static_cast<uint8_t>(*(baseAddress + CADU_BITRATE_REG));
+}
+
 void AxiPtmeConfig::enableTxclockManipulator() {
   writeBit(COMMON_CONFIG_REG, true, BitPos::EN_TX_CLK_MANIPULATOR);
 }

linux/ipcore/AxiPtmeConfig.h

@@ -38,6 +38,7 @@ class AxiPtmeConfig : public SystemObject {
    *        frequency of the clock connected to the bit clock input of PTME.
    */
   ReturnValue_t writeCaduRateReg(uint8_t rateVal);
+  uint8_t readCaduRateReg();
 
   /**
    * @brief Next to functions control the tx clock manipulator component

linux/ipcore/PtmeConfig.cpp

@@ -26,6 +26,11 @@ ReturnValue_t PtmeConfig::setRate(uint32_t bitRate) {
   return axiPtmeConfig->writeCaduRateReg(static_cast<uint8_t>(rateVal));
 }
 
+uint32_t PtmeConfig::getRate() {
+  uint8_t rateReg = axiPtmeConfig->readCaduRateReg();
+  return (BIT_CLK_FREQ / (rateReg + 1));
+}
+
 void PtmeConfig::invertTxClock(bool invert) {
   if (invert) {
     axiPtmeConfig->enableTxclockInversion();

linux/ipcore/PtmeConfig.h

@@ -32,6 +32,7 @@ class PtmeConfig : public SystemObject {
    *          of the CADU clock due to the convolutional code added by the s-Band transceiver.
    */
   ReturnValue_t setRate(uint32_t bitRate);
+  uint32_t getRate();
 
   /**
    * @brief Will change the time the tx data signal is updated with respect to the tx clock

mission/com/CcsdsIpCoreHandler.cpp

@@ -255,6 +255,7 @@ void CcsdsIpCoreHandler::startTransition(Mode_t mode, Submode_t submode) {
       updateContext.setModeAfterUpdate = true;
       return;
     }
+    if(ptmeConfig.setRate(bitRate))
     // No rate change, so enable transmitter right away.
     enableTransmit();
   } else if (mode == HasModesIF::MODE_OFF) {