bsp_q7s/boardconfig/busConf.h

@@ -57,6 +57,7 @@ static constexpr char GYRO_0_ENABLE[] = "enable_gyro_0";
 static constexpr char GYRO_2_ENABLE[] = "enable_gyro_2";
 static constexpr char GNSS_SELECT[] = "gnss_mux_select";
 static constexpr char GNSS_MUX_SELECT[] = "gnss_mux_select";
+static constexpr char PL_I2C_ARESETN[] = "pl_i2c_aresetn";
 
 static constexpr char HEATER_0[] = "heater0";
 static constexpr char HEATER_1[] = "heater1";

bsp_q7s/core/ObjectFactory.cpp

@@ -2,6 +2,7 @@
 
 #include <fsfw/devicehandlers/HealthDevice.h>
 #include <fsfw/subsystem/Subsystem.h>
+#include <fsfw/tasks/TaskFactory.h>
 #include <linux/acs/AcsBoardPolling.h>
 #include <linux/acs/GpsHyperionLinuxController.h>
 #include <linux/acs/ImtqPollingTask.h>
@@ -1013,3 +1014,19 @@ void ObjectFactory::createRadSensorChipSelect(LinuxLibgpioIF* gpioIF) {
   gpioCookieRadSensor->addGpio(gpioIds::ENABLE_RADFET, gpio);
   gpioChecker(gpioIF->addGpios(gpioCookieRadSensor), "RAD sensor");
 }
+
+void ObjectFactory::createPlI2cResetGpio(LinuxLibgpioIF* gpioIF) {
+  using namespace gpio;
+  if (gpioIF == nullptr) {
+    return;
+  }
+  GpioCookie* gpioI2cResetnCookie = new GpioCookie;
+  GpiodRegularByLineName* gpioI2cResetn = new GpiodRegularByLineName(
+      q7s::gpioNames::PL_I2C_ARESETN, "PL_I2C_ARESETN", Direction::OUT, Levels::HIGH);
+  gpioI2cResetnCookie->addGpio(gpioIds::PL_I2C_ARESETN, gpioI2cResetn);
+  gpioChecker(gpioIF->addGpios(gpioI2cResetnCookie), "PL I2C ARESETN");
+  // Reset I2C explicitely again.
+  gpioIF->pullLow(gpioIds::PL_I2C_ARESETN);
+  TaskFactory::delayTask(1);
+  gpioIF->pullHigh(gpioIds::PL_I2C_ARESETN);
+}

bsp_q7s/core/ObjectFactory.h

@@ -78,6 +78,7 @@ ReturnValue_t createCcsdsComponents(CcsdsComponentArgs& args);
 void createMiscComponents();
 
 void createTestComponents(LinuxLibgpioIF* gpioComIF);
+void createPlI2cResetGpio(LinuxLibgpioIF* gpioComIF);
 
 void testAcsBrdAss(AcsBoardAssembly* assAss);
 

bsp_q7s/em/emObjectFactory.cpp

@@ -47,6 +47,7 @@ void ObjectFactory::produce(void* args) {
   /* Adding gpios for chip select decoding to the gpioComIf */
   q7s::gpioCallbacks::initSpiCsDecoder(gpioComIF);
   gpioCallbacks::disableAllDecoder(gpioComIF);
+  createPlI2cResetGpio(gpioComIF);
 
   // Hardware is usually not connected to EM, so we need to create dummies which replace lower
   // level components.

bsp_q7s/fmObjectFactory.cpp

@@ -45,6 +45,7 @@ void ObjectFactory::produce(void* args) {
   /* Adding gpios for chip select decoding to the gpioComIf */
   q7s::gpioCallbacks::initSpiCsDecoder(gpioComIF);
   gpioCallbacks::disableAllDecoder(gpioComIF);
+  createPlI2cResetGpio(gpioComIF);
 
   new CoreController(objects::CORE_CONTROLLER, enableHkSets);
   createPcduComponents(gpioComIF, &pwrSwitcher, enableHkSets);

common/config/devices/gpioIds.h

@@ -77,6 +77,8 @@ enum gpioId_t {
   CS_RAD_SENSOR,
   ENABLE_RADFET,
 
+  PL_I2C_ARESETN,
+
   PAPB_BUSY_N,
   PAPB_EMPTY,
 

tmtc

@@ -1 +1 @@
-Subproject commit 29fc7a5fca197abe44d8bbba6b0db3af2744f01c
+Subproject commit 936dcdf334c2258d2256373cd4995b2574202a59