core housekeeping

bsp_q7s/xadc/Xadc.cpp

@@ -0,0 +1,144 @@
+#include "Xadc.h"
+
+#include <fcntl.h>
+#include <unistd.h>
+
+#include <sstream>
+
+#include "fsfw/serviceinterface/ServiceInterfaceStream.h"
+
+Xadc::Xadc() {}
+
+Xadc::~Xadc() {}
+
+ReturnValue_t Xadc::getTemperature(float& temperature) {
+  ReturnValue_t result = HasReturnvaluesIF::RETURN_OK;
+  int raw = 0;
+  int offset = 0;
+  float scale = 0;
+  result = readValFromFile<int>(xadc::file::tempRaw.c_str(), raw);
+  if (result != HasReturnvaluesIF::RETURN_OK) {
+    return result;
+  }
+  result = readValFromFile<int>(xadc::file::tempOffset.c_str(), offset);
+  if (result != HasReturnvaluesIF::RETURN_OK) {
+    return result;
+  }
+  result = readValFromFile<float>(xadc::file::tempScale.c_str(), scale);
+  if (result != HasReturnvaluesIF::RETURN_OK) {
+    return result;
+  }
+  temperature = (raw + offset) * scale / 1000;
+  return result;
+}
+
+ReturnValue_t Xadc::getVccPint(float& vccPint) {
+  ReturnValue_t result =
+      readVoltageFromSysfs(xadc::file::vccpintRaw, xadc::file::vccpintScale, vccPint);
+  if (result != HasReturnvaluesIF::RETURN_OK) {
+    return result;
+  }
+  return HasReturnvaluesIF::RETURN_OK;
+}
+
+ReturnValue_t Xadc::getVccPaux(float& vccPaux) {
+  ReturnValue_t result =
+      readVoltageFromSysfs(xadc::file::vccpauxRaw, xadc::file::vccpauxScale, vccPaux);
+  if (result != HasReturnvaluesIF::RETURN_OK) {
+    return result;
+  }
+  return HasReturnvaluesIF::RETURN_OK;
+}
+
+ReturnValue_t Xadc::getVccInt(float& vccInt) {
+  ReturnValue_t result =
+      readVoltageFromSysfs(xadc::file::vccintRaw, xadc::file::vccintScale, vccInt);
+  if (result != HasReturnvaluesIF::RETURN_OK) {
+    return result;
+  }
+  return HasReturnvaluesIF::RETURN_OK;
+}
+
+ReturnValue_t Xadc::getVccAux(float& vccAux) {
+  ReturnValue_t result =
+      readVoltageFromSysfs(xadc::file::vccauxRaw, xadc::file::vccauxScale, vccAux);
+  if (result != HasReturnvaluesIF::RETURN_OK) {
+    return result;
+  }
+  return HasReturnvaluesIF::RETURN_OK;
+}
+
+ReturnValue_t Xadc::getVccBram(float& vccBram) {
+  ReturnValue_t result =
+      readVoltageFromSysfs(xadc::file::vccbramRaw, xadc::file::vccbramScale, vccBram);
+  if (result != HasReturnvaluesIF::RETURN_OK) {
+    return result;
+  }
+  return HasReturnvaluesIF::RETURN_OK;
+}
+
+ReturnValue_t Xadc::getVccOddr(float& vccOddr) {
+  ReturnValue_t result =
+      readVoltageFromSysfs(xadc::file::vccoddrRaw, xadc::file::vccoddrScale, vccOddr);
+  if (result != HasReturnvaluesIF::RETURN_OK) {
+    return result;
+  }
+  return HasReturnvaluesIF::RETURN_OK;
+}
+
+ReturnValue_t Xadc::getVrefp(float& vrefp) {
+  ReturnValue_t result = readVoltageFromSysfs(xadc::file::vrefpRaw, xadc::file::vrefpScale, vrefp);
+  if (result != HasReturnvaluesIF::RETURN_OK) {
+    return result;
+  }
+  return HasReturnvaluesIF::RETURN_OK;
+}
+
+ReturnValue_t Xadc::getVrefn(float& vrefn) {
+  ReturnValue_t result = readVoltageFromSysfs(xadc::file::vrefnRaw, xadc::file::vrefnScale, vrefn);
+  if (result != HasReturnvaluesIF::RETURN_OK) {
+    return result;
+  }
+  return HasReturnvaluesIF::RETURN_OK;
+}
+
+ReturnValue_t Xadc::readVoltageFromSysfs(std::string rawFile, std::string scaleFile,
+                                         float& voltage) {
+  ReturnValue_t result = HasReturnvaluesIF::RETURN_OK;
+  float raw = 0;
+  float scale = 0;
+  result = readValFromFile(rawFile.c_str(), raw);
+  if (result != HasReturnvaluesIF::RETURN_OK) {
+    return result;
+  }
+  result = readValFromFile(scaleFile.c_str(), scale);
+  if (result != HasReturnvaluesIF::RETURN_OK) {
+    return result;
+  }
+  voltage = calculateVoltage(raw, scale);
+  return result;
+}
+
+float Xadc::calculateVoltage(int raw, float scale) { return static_cast<float>(raw * scale); }
+
+template <typename T>
+ReturnValue_t Xadc::readValFromFile(const char* filename, T& val) {
+  FILE* fp;
+  fp = fopen(filename, "r");
+  if (fp == nullptr) {
+    sif::warning << "Xadc::readValFromFile: Failed to open file " << filename << std::endl;
+    return HasReturnvaluesIF::RETURN_FAILED;
+  }
+  char valstring[MAX_STR_LENGTH] = "";
+  char* returnVal = fgets(valstring, MAX_STR_LENGTH, fp);
+  if (returnVal == nullptr) {
+    sif::warning << "Xadc::readValFromFile: Failed to read string from file " << filename
+                 << std::endl;
+    fclose(fp);
+    return HasReturnvaluesIF::RETURN_FAILED;
+  }
+  std::istringstream valSstream(valstring);
+  valSstream >> val;
+  fclose(fp);
+  return HasReturnvaluesIF::RETURN_OK;
+}