common/config/commonSubsystemIds.h

@@ -19,6 +19,7 @@ enum: uint8_t {
 	PLOC_MEMORY_DUMPER = 118,
 	PDEC_HANDLER = 119,
 	STR_HELPER = 120,
+	PL_PCDU_HANDLER = 121,
 	COMMON_SUBSYSTEM_ID_END
 };
 }

mission/devices/PayloadPcduHandler.cpp

@@ -214,6 +214,23 @@ void PayloadPcduHandler::enablePeriodicPrintout(bool enable, uint8_t divider) {
   opDivider.setDivider(divider);
 }
 
+void PayloadPcduHandler::transitionBackToOff() {
+  States currentState = state;
+  gpioIF->pullLow(gpioIds::PLPCDU_ENB_HPA);
+  gpioIF->pullLow(gpioIds::PLPCDU_ENB_MPA);
+  gpioIF->pullLow(gpioIds::PLPCDU_ENB_TX);
+  gpioIF->pullLow(gpioIds::PLPCDU_ENB_X8);
+  gpioIF->pullLow(gpioIds::PLPCDU_ENB_DRO);
+  gpioIF->pullLow(gpioIds::PLPCDU_ENB_TX);
+  gpioIF->pullLow(gpioIds::PLPCDU_ENB_VBAT0);
+  gpioIF->pullLow(gpioIds::PLPCDU_ENB_VBAT1);
+  state = States::PCDU_OFF;
+  adcState = AdcStates::OFF;
+  setMode(MODE_OFF);
+  // Notify FDIR
+  triggerEvent(TRANSITION_BACK_TO_OFF, static_cast<uint32_t>(currentState));
+}
+
 void PayloadPcduHandler::stateMachineToNormal() {
   if (adcState == AdcStates::BOOT_DELAY) {
     if (adcCountdown.hasTimedOut()) {

mission/devices/PayloadPcduHandler.h

@@ -5,6 +5,7 @@
 #include <fsfw/globalfunctions/PeriodicOperationDivider.h>
 #include <fsfw/timemanager/Countdown.h>
 
+#include "events/subsystemIdRanges.h"
 #include "fsfw/FSFW.h"
 #include "fsfw_hal/common/gpio/GpioIF.h"
 #include "mission/devices/devicedefinitions/payloadPcduDefinitions.h"
@@ -30,6 +31,9 @@ class SpiCookie;
  */
 class PayloadPcduHandler : public DeviceHandlerBase {
  public:
+  static constexpr uint8_t SUBSYSTEM_ID = SUBSYSTEM_ID::PL_PCDU_HANDLER;
+  static constexpr Event TRANSITION_BACK_TO_OFF = event::makeEvent(SUBSYSTEM_ID, 0, severity::MEDIUM);
+
   PayloadPcduHandler(object_id_t objectId, object_id_t comIF, CookieIF* cookie, GpioIF* gpioIF,
                      bool periodicPrintout);
 
@@ -45,7 +49,7 @@ class PayloadPcduHandler : public DeviceHandlerBase {
 #endif
 
  private:
-  enum class States {
+  enum class States: uint8_t {
     PCDU_OFF,
     // Solid State Relay, enable battery voltages VBAT0 and VBAT1. This will also switch on
     // the ADC
@@ -93,6 +97,8 @@ class PayloadPcduHandler : public DeviceHandlerBase {
   void doTransition(Mode_t modeFrom, Submode_t subModeFrom) override;
   void doStartUp() override;
   void doShutDown() override;
+  // Main FDIR function which goes from any PL PCDU state back to all off
+  void transitionBackToOff();
   ReturnValue_t buildNormalDeviceCommand(DeviceCommandId_t* id) override;
   ReturnValue_t buildTransitionDeviceCommand(DeviceCommandId_t* id) override;
   void fillCommandAndReplyMap() override;

mission/devices/devicedefinitions/payloadPcduDefinitions.h

@@ -12,6 +12,25 @@ namespace plpcdu {
 
 using namespace max1227;
 
+enum PlPcduAdcChannels: uint8_t {
+  U_BAT_DIV_6 = 0,
+  // According to schematic, will be 2.2158V for Vneg = +0V and 0.2446V for Vneg = -6V
+  // Full Forumula: V_neg = V_post - (R1 + R2) / R1 * (V_pos - V_out) with R1 being 27.4k
+  // and R2 being 49.9k
+  U_NEG_V_FB = 1,
+  I_HPA = 2,
+  U_HPA_DIV_6 = 3,
+  I_MPA = 4,
+  U_MPA_DIV_6 = 5,
+  I_TX = 6,
+  U_TX_DIV_6 = 7,
+  I_X8 = 8,
+  U_X8_DIV_6 = 9,
+  I_DRO = 10,
+  U_DRO_DIV_6 = 11,
+  NUM_CHANNELS = 12
+};
+
 enum PlPcduPoolIds : uint32_t { CHANNEL_VEC = 0, TEMP = 1 };
 
 static constexpr size_t MAX_ADC_REPLY_SIZE = 64;