add temp read for ext clocked mode

bsp_q7s/core/ObjectFactory.cpp

@@ -350,62 +350,62 @@ void ObjectFactory::createSunSensorComponents(LinuxLibgpioIF* gpioComIF, SpiComI
 
   SpiCookie* spiCookie =
       new SpiCookie(addresses::SUS_0, gpioIds::CS_SUS_0, q7s::SPI_DEFAULT_DEV, SUS::MAX_CMD_SIZE,
-                    spi::DEFAULT_MAX_1227_MODE, SUS::MAX1227_SPI_FREQ);
+                    spi::DEFAULT_MAX_1227_MODE, spi::SUS_MAX1227_SPI_FREQ);
   SusHandler* susHandler0 =
       new SusHandler(objects::SUS_0, objects::SPI_COM_IF, spiCookie, gpioComIF, gpioIds::CS_SUS_0);
 
   spiCookie = new SpiCookie(addresses::SUS_1, gpioIds::CS_SUS_1, q7s::SPI_DEFAULT_DEV,
-                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, SUS::MAX1227_SPI_FREQ);
+                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, spi::SUS_MAX1227_SPI_FREQ);
   SusHandler* susHandler1 =
       new SusHandler(objects::SUS_1, objects::SPI_COM_IF, spiCookie, gpioComIF, gpioIds::CS_SUS_1);
 
   spiCookie = new SpiCookie(addresses::SUS_2, gpioIds::CS_SUS_2, q7s::SPI_DEFAULT_DEV,
-                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, SUS::MAX1227_SPI_FREQ);
+                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, spi::SUS_MAX1227_SPI_FREQ);
   SusHandler* susHandler2 =
       new SusHandler(objects::SUS_2, objects::SPI_COM_IF, spiCookie, gpioComIF, gpioIds::CS_SUS_2);
 
   spiCookie = new SpiCookie(addresses::SUS_3, gpioIds::CS_SUS_3, std::string(q7s::SPI_DEFAULT_DEV),
-                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, SUS::MAX1227_SPI_FREQ);
+                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, spi::SUS_MAX1227_SPI_FREQ);
   SusHandler* susHandler3 =
       new SusHandler(objects::SUS_3, objects::SPI_COM_IF, spiCookie, gpioComIF, gpioIds::CS_SUS_3);
 
   spiCookie = new SpiCookie(addresses::SUS_4, gpioIds::CS_SUS_4, std::string(q7s::SPI_DEFAULT_DEV),
-                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, SUS::MAX1227_SPI_FREQ);
+                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, spi::SUS_MAX1227_SPI_FREQ);
   SusHandler* susHandler4 =
       new SusHandler(objects::SUS_4, objects::SPI_COM_IF, spiCookie, gpioComIF, gpioIds::CS_SUS_4);
 
   spiCookie = new SpiCookie(addresses::SUS_5, gpioIds::CS_SUS_5, std::string(q7s::SPI_DEFAULT_DEV),
-                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, SUS::MAX1227_SPI_FREQ);
+                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, spi::SUS_MAX1227_SPI_FREQ);
   SusHandler* susHandler5 =
       new SusHandler(objects::SUS_5, objects::SPI_COM_IF, spiCookie, gpioComIF, gpioIds::CS_SUS_5);
 
   spiCookie = new SpiCookie(addresses::SUS_6, gpioIds::CS_SUS_6, q7s::SPI_DEFAULT_DEV,
-                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, SUS::MAX1227_SPI_FREQ);
+                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, spi::SUS_MAX1227_SPI_FREQ);
   SusHandler* susHandler6 =
       new SusHandler(objects::SUS_6, objects::SPI_COM_IF, spiCookie, gpioComIF, gpioIds::CS_SUS_6);
 
   spiCookie = new SpiCookie(addresses::SUS_7, gpioIds::CS_SUS_7, q7s::SPI_DEFAULT_DEV,
-                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, SUS::MAX1227_SPI_FREQ);
+                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, spi::SUS_MAX1227_SPI_FREQ);
   SusHandler* susHandler7 =
       new SusHandler(objects::SUS_7, objects::SPI_COM_IF, spiCookie, gpioComIF, gpioIds::CS_SUS_7);
 
   spiCookie = new SpiCookie(addresses::SUS_8, gpioIds::CS_SUS_8, q7s::SPI_DEFAULT_DEV,
-                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, SUS::MAX1227_SPI_FREQ);
+                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, spi::SUS_MAX1227_SPI_FREQ);
   SusHandler* susHandler8 =
       new SusHandler(objects::SUS_8, objects::SPI_COM_IF, spiCookie, gpioComIF, gpioIds::CS_SUS_8);
 
   spiCookie = new SpiCookie(addresses::SUS_9, gpioIds::CS_SUS_9, q7s::SPI_DEFAULT_DEV,
-                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, SUS::MAX1227_SPI_FREQ);
+                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, spi::SUS_MAX1227_SPI_FREQ);
   SusHandler* susHandler9 =
       new SusHandler(objects::SUS_9, objects::SPI_COM_IF, spiCookie, gpioComIF, gpioIds::CS_SUS_9);
 
   spiCookie = new SpiCookie(addresses::SUS_10, gpioIds::CS_SUS_10, q7s::SPI_DEFAULT_DEV,
-                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, SUS::MAX1227_SPI_FREQ);
+                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, spi::SUS_MAX1227_SPI_FREQ);
   SusHandler* susHandler10 = new SusHandler(objects::SUS_10, objects::SPI_COM_IF, spiCookie,
                                             gpioComIF, gpioIds::CS_SUS_10);
 
   spiCookie = new SpiCookie(addresses::SUS_11, gpioIds::CS_SUS_11, q7s::SPI_DEFAULT_DEV,
-                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, SUS::MAX1227_SPI_FREQ);
+                            SUS::MAX_CMD_SIZE, spi::DEFAULT_MAX_1227_MODE, spi::SUS_MAX1227_SPI_FREQ);
   SusHandler* susHandler11 = new SusHandler(objects::SUS_11, objects::SPI_COM_IF, spiCookie,
                                             gpioComIF, gpioIds::CS_SUS_11);
   static_cast<void>(susHandler0);

common/config/devConf.h

@@ -23,6 +23,12 @@ static constexpr uint32_t DEFAULT_L3G_SPEED = 976'000;
 static constexpr uint32_t L3G_TRANSITION_DELAY = 5000;
 static constexpr spi::SpiModes DEFAULT_L3G_MODE = spi::SpiModes::MODE_3;
 
+/**
+ * Some MAX1227 could not be reached with frequencies around 4 MHz. Maybe this is caused by
+ * the decoder and buffer circuits. Thus frequency is here defined to 1 MHz.
+ */
+static const uint32_t SUS_MAX1227_SPI_FREQ = 1'000'000;
+
 static constexpr uint32_t DEFAULT_MAX_1227_SPEED = 3'900'000;
 static constexpr spi::SpiModes DEFAULT_MAX_1227_MODE = spi::SpiModes::MODE_3;
 

linux/devices/SusHandler.cpp

@@ -34,7 +34,7 @@ void SusHandler::doStartUp() {
       setMode(_MODE_TO_ON);
 #endif
       commandExecuted = false;
-      if (clkMode == Modes::INT_CLOCKED) {
+      if (clkMode == ClkModes::INT_CLOCKED) {
         comState = ComStates::START_INT_CLOCKED_CONVERSIONS;
       } else {
         comState = ComStates::EXT_CLOCKED_CONVERSIONS;
@@ -68,6 +68,10 @@ ReturnValue_t SusHandler::buildNormalDeviceCommand(DeviceCommandId_t *id) {
       comState = ComStates::START_INT_CLOCKED_CONVERSIONS;
       return buildCommandFromCommand(*id, nullptr, 0);
     }
+    case (ComStates::EXT_CLOCKED_TEMP): {
+      *id = SUS::READ_EXT_TIMED_TEMPS;
+      return buildCommandFromCommand(*id , nullptr, 0);
+    }
   }
   return NOTHING_TO_SEND;
 }
@@ -85,7 +89,7 @@ ReturnValue_t SusHandler::buildCommandFromCommand(DeviceCommandId_t deviceComman
                                                   size_t commandDataLen) {
   switch (deviceCommand) {
     case (SUS::WRITE_SETUP): {
-      if (clkMode == Modes::INT_CLOCKED) {
+      if (clkMode == ClkModes::INT_CLOCKED) {
         cmdBuffer[0] = SUS::SETUP_INT_CLOKED;
       } else {
         cmdBuffer[0] = SUS::SETUP_EXT_CLOCKED;
@@ -118,6 +122,13 @@ ReturnValue_t SusHandler::buildCommandFromCommand(DeviceCommandId_t deviceComman
       rawPacketLen = SUS::SIZE_READ_EXT_CONVERSIONS;
       return RETURN_OK;
     }
+    case (SUS::READ_EXT_TIMED_TEMPS): {
+      cmdBuffer[0] = buildConvByte(ScanModes::N_ONCE, 0, true);
+      std::memset(cmdBuffer + 1, 0, 24);
+      rawPacket = cmdBuffer;
+      rawPacketLen = 25;
+      break;
+    }
     default:
       return DeviceHandlerIF::COMMAND_NOT_IMPLEMENTED;
   }
@@ -125,12 +136,13 @@ ReturnValue_t SusHandler::buildCommandFromCommand(DeviceCommandId_t deviceComman
 }
 
 void SusHandler::fillCommandAndReplyMap() {
-  this->insertInCommandAndReplyMap(SUS::WRITE_SETUP, 1);
-  this->insertInCommandAndReplyMap(SUS::START_INT_TIMED_CONVERSIONS, 1);
-  this->insertInCommandAndReplyMap(SUS::READ_INT_TIMED_CONVERSIONS, 1, &dataset,
+  insertInCommandAndReplyMap(SUS::WRITE_SETUP, 1);
+  insertInCommandAndReplyMap(SUS::START_INT_TIMED_CONVERSIONS, 1);
+  insertInCommandAndReplyMap(SUS::READ_INT_TIMED_CONVERSIONS, 1, &dataset,
                                    SUS::SIZE_READ_INT_CONVERSIONS);
-  this->insertInCommandAndReplyMap(SUS::READ_EXT_TIMED_CONVERSIONS, 1, &dataset,
+  insertInCommandAndReplyMap(SUS::READ_EXT_TIMED_CONVERSIONS, 1, &dataset,
                                    SUS::SIZE_READ_EXT_CONVERSIONS);
+  insertInCommandAndReplyMap(SUS::READ_EXT_TIMED_TEMPS, 1);
 }
 
 ReturnValue_t SusHandler::scanForReply(const uint8_t *start, size_t remainingSize,
@@ -171,9 +183,19 @@ ReturnValue_t SusHandler::interpretDeviceReply(DeviceCommandId_t id, const uint8
       dataset.ain3 = (packet[7] << 8) | packet[8];
       dataset.ain4 = (packet[9] << 8) | packet[10];
       dataset.ain5 = (packet[11] << 8) | packet[12];
+      // Read temperature in next read cycle
+      if(clkMode == ClkModes::EXT_CLOCKED_WITH_TEMP) {
+        comState = ComStates::EXT_CLOCKED_TEMP;
+      }
       printDataset();
       break;
     }
+    case (SUS::READ_EXT_TIMED_TEMPS): {
+      PoolReadGuard readSet(&dataset);
+      dataset.temperatureCelcius = (packet[23] << 8) | packet[24];
+      comState = ComStates::EXT_CLOCKED_CONVERSIONS;
+      break;
+    }
     default: {
       sif::debug << "SusHandler::interpretDeviceReply: Unknown reply id" << std::endl;
       return DeviceHandlerIF::UNKNOWN_DEVICE_REPLY;

linux/devices/SusHandler.h

@@ -23,7 +23,7 @@
  */
 class SusHandler : public DeviceHandlerBase {
  public:
-  enum Modes { INT_CLOCKED, EXT_CLOCKED };
+  enum ClkModes { INT_CLOCKED, EXT_CLOCKED, EXT_CLOCKED_WITH_TEMP };
 
   enum ScanModes : uint8_t {
     CHANNELS_0_TO_N = 0b00,
@@ -71,6 +71,7 @@ class SusHandler : public DeviceHandlerBase {
     IDLE,
     WRITE_SETUP,
     EXT_CLOCKED_CONVERSIONS,
+	EXT_CLOCKED_TEMP,
     START_INT_CLOCKED_CONVERSIONS,
     READ_INT_CLOCKED_CONVERSIONS
   };
@@ -82,7 +83,9 @@ class SusHandler : public DeviceHandlerBase {
   bool commandExecuted = false;
 
   SUS::SusDataset dataset;
-  Modes clkMode = Modes::INT_CLOCKED;
+  // Read temperature in each alternating communication step when using
+  // externally clocked mode
+  ClkModes clkMode = ClkModes::EXT_CLOCKED_WITH_TEMP;
 
   uint8_t cmdBuffer[SUS::MAX_CMD_SIZE];
   ComStates comState = ComStates::IDLE;

linux/devices/devicedefinitions/SusDefinitions.h

@@ -8,27 +8,23 @@
 
 namespace SUS {
 
-/**
- * Some MAX1227 could not be reached with frequencies around 4 MHz. Maybe this is caused by
- * the decoder and buffer circuits. Thus frequency is here defined to 1 MHz.
- */
-static const uint32_t MAX1227_SPI_FREQ = 1000000;
-
 static const DeviceCommandId_t NONE = 0x0;  // Set when no command is pending
 
-static const DeviceCommandId_t WRITE_SETUP = 0x1;
+static const DeviceCommandId_t WRITE_SETUP = 1;
 /**
  * This command initiates the ADC conversion for all channels including the internal
  * temperature sensor.
  */
-static const DeviceCommandId_t START_INT_TIMED_CONVERSIONS = 0x2;
+static const DeviceCommandId_t START_INT_TIMED_CONVERSIONS = 2;
 /**
  * This command reads the internal fifo which holds the temperature and the channel
  * conversions.
  */
-static constexpr DeviceCommandId_t READ_INT_TIMED_CONVERSIONS = 0x3;
+static constexpr DeviceCommandId_t READ_INT_TIMED_CONVERSIONS = 3;
 
-static constexpr DeviceCommandId_t READ_EXT_TIMED_CONVERSIONS = 0x4;
+static constexpr DeviceCommandId_t READ_EXT_TIMED_CONVERSIONS = 4;
+
+static constexpr DeviceCommandId_t READ_EXT_TIMED_TEMPS = 5;
 
 /**
  * @brief   This is the configuration byte which will be written to the setup register after
@@ -61,7 +57,7 @@ static const uint8_t SIZE_READ_INT_CONVERSIONS = 14;
 // 6 * conv byte, 6 * 0 and one trailing zero
 static constexpr uint8_t SIZE_READ_EXT_CONVERSIONS = 13;
 
-static const uint8_t MAX_CMD_SIZE = 16;
+static const uint8_t MAX_CMD_SIZE = 32;
 
 static const uint8_t POOL_ENTRIES = 7;