Adjusted WriteTargetMemory insight worker task to support writing non-contiguous blocks in a single task

src/Insight/InsightWorker/Tasks/WriteTargetMemory.cpp

@@ -2,6 +2,7 @@
 
 #include <cmath>
 #include <algorithm>
+#include <numeric>
 
 namespace Bloom
 {
@@ -17,36 +18,51 @@ namespace Bloom
          * This allows the TargetController to service other commands in-between reads, reducing the likelihood of
          * command timeouts when we're writing lots of data.
          */
-        const auto blockSize = std::max(
+        const auto maxBlockSize = std::max(
             TargetMemorySize(256),
             memoryDescriptor.pageSize.value_or(TargetMemorySize(0))
         );
-        const auto totalBytes = this->data.size();
 
-        TargetMemorySize bytesWritten = 0;
+        const TargetMemorySize totalBytesToWrite = std::accumulate(
+            this->blocks.begin(),
+            this->blocks.end(),
+            TargetMemorySize{0},
+            [] (TargetMemorySize bytes, const Block& block) {
+                return bytes + block.data.size();
+            }
+        );
 
-        while (bytesWritten < totalBytes) {
-            const auto bytesToWrite = std::min(
-                blockSize,
-                static_cast<decltype(blockSize)>(totalBytes - bytesWritten)
-            );
+        TargetMemorySize totalBytesWritten = 0;
 
-            targetControllerService.writeMemory(
-                this->memoryDescriptor.type,
-                this->startAddress + bytesWritten,
-                Targets::TargetMemoryBuffer(
-                    this->data.begin() + bytesWritten,
-                    this->data.begin() + bytesWritten + bytesToWrite
-                )
-            );
+        for (const auto& block : this->blocks) {
+            const auto totalBytes = block.data.size();
 
-            bytesWritten += bytesToWrite;
+            TargetMemorySize bytesWritten = 0;
 
-            this->setProgressPercentage(static_cast<std::uint8_t>(
-                (static_cast<float>(bytesWritten) + 1) / (static_cast<float>(totalBytes) / 100)
-            ));
+            while (bytesWritten < totalBytes) {
+                const auto bytesToWrite = std::min(
+                    maxBlockSize,
+                    static_cast<decltype(maxBlockSize)>(totalBytes - bytesWritten)
+                );
+
+                targetControllerService.writeMemory(
+                    this->memoryDescriptor.type,
+                    block.startAddress + bytesWritten,
+                    Targets::TargetMemoryBuffer(
+                        block.data.begin() + bytesWritten,
+                        block.data.begin() + bytesWritten + bytesToWrite
+                    )
+                );
+
+                bytesWritten += bytesToWrite;
+                totalBytesWritten += bytesToWrite;
+
+                this->setProgressPercentage(static_cast<std::uint8_t>(
+                    (static_cast<float>(totalBytesWritten) + 1) / (static_cast<float>(totalBytesToWrite) / 100)
+                ));
+            }
         }
 
-        emit this->targetMemoryWritten(bytesWritten);
+        emit this->targetMemoryWritten(totalBytesWritten);
     }
 }

src/Insight/InsightWorker/Tasks/WriteTargetMemory.hpp

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <vector>
+
 #include "InsightWorkerTask.hpp"
 
 #include "src/Targets/TargetMemory.hpp"
@@ -11,14 +13,37 @@ namespace Bloom
         Q_OBJECT
 
     public:
+        /*
+         * A Block is just a block of contiguous data to write. A single WriteTargetMemory task can write multiple
+         * blocks to a particular memory.
+         */
+        struct Block {
+            Targets::TargetMemoryAddress startAddress;
+            const Targets::TargetMemoryBuffer data;
+
+            Block(
+                Targets::TargetMemoryAddress startAddress,
+                const Targets::TargetMemoryBuffer& data
+            )
+                : startAddress(startAddress)
+                , data(data)
+            {}
+        };
+
+        WriteTargetMemory(
+            const Targets::TargetMemoryDescriptor& memoryDescriptor,
+            std::vector<Block>&& blocks
+        )
+            : memoryDescriptor(memoryDescriptor)
+            , blocks(std::move(blocks))
+        {}
+
         WriteTargetMemory(
             const Targets::TargetMemoryDescriptor& memoryDescriptor,
             Targets::TargetMemoryAddress startAddress,
             const Targets::TargetMemoryBuffer& data
         )
-            : memoryDescriptor(memoryDescriptor)
-            , startAddress(startAddress)
-            , data(data)
+            : WriteTargetMemory(memoryDescriptor, std::vector<Block>({{startAddress, data}}))
         {}
 
         QString brief() const override {
@@ -31,7 +56,7 @@ namespace Bloom
             return TaskGroups({
                 TaskGroup::USES_TARGET_CONTROLLER,
             });
-        };
+        }
 
     signals:
         void targetMemoryWritten(Targets::TargetMemorySize bytesWritten);
@@ -41,7 +66,6 @@ namespace Bloom
 
     private:
         Targets::TargetMemoryDescriptor memoryDescriptor;
-        Targets::TargetMemoryAddress startAddress;
-        Targets::TargetMemoryBuffer data;
+        std::vector<Block> blocks;
     };
 }