continued spi com if

stm32h7/spi/SpiComIF.h

@@ -13,6 +13,8 @@
 #include <vector>
 #include <map>
 
+class SpiCookie;
+
 class SpiComIF:
         public SystemObject,
         public DeviceCommunicationIF {
@@ -36,6 +38,8 @@ public:
      */
     void configureCacheMaintenanceOnTxBuffer(bool enable);
 
+    void setDefaultPollingTimeout(dur_millis_t timeout);
+
     /**
      * Add the DMA handles. These need to be set in the DMA transfer mode is used
      * @param txHandle
@@ -60,16 +64,25 @@ private:
     struct SpiInstance {
         std::vector<uint8_t> replyBuffer;
     };
+    uint32_t defaultPollingTimeout = 50;
 
     spi::TransferModes transferMode;
     SPI_HandleTypeDef* spiHandle;
-    SemaphoreIF* spiSemaphore;
+
+    MutexIF::TimeoutType timeoutType = MutexIF::TimeoutType::WAITING;
+    dur_millis_t timeoutMs = 20;
+
+    SemaphoreIF* spiSemaphore = nullptr;
+    MutexIF* spiMutex = nullptr;
     bool cacheMaintenanceOnTxBuffer = true;
 
     using SpiDeviceMap = std::map<address_t, SpiInstance>;
     using SpiDeviceMapIter = SpiDeviceMap::iterator;
 
     SpiDeviceMap spiDeviceMap;
+
+    ReturnValue_t handlePollingSendOperation(SpiDeviceMapIter iter, SpiCookie* spiCookie,
+            const uint8_t * sendData, size_t sendLen);
 };