Fix SerialManager not reading the entire message

components/SerialManager/SerialManager/SerialManager.cpp

@@ -7,7 +7,6 @@
 
 #define ECHO_UART_PORT_NUM (1)
 #define ECHO_UART_BAUD_RATE (115200)
-#define ECHO_TASK_STACK_SIZE (3072)
 
 #define BUF_SIZE (1024)
 
@@ -21,16 +20,32 @@ void SerialManager::setup()
   usb_serial_jtag_driver_install(&usb_serial_jtag_config);
   // Configure a temporary buffer for the incoming data
   this->data = (uint8_t *)malloc(BUF_SIZE);
+  this->temp_data = (uint8_t *)malloc(256);
 }
 
 void SerialManager::try_receive()
 {
-  int len = usb_serial_jtag_read_bytes(this->data, (BUF_SIZE - 1), 10000);
-  if (len)
+  int current_position = 0;
+  int len = usb_serial_jtag_read_bytes(this->temp_data, 256, 1000 / 20);
+
+  // since we've got something on the serial port
+  // we gotta keep reading until we've got the whole message
+  while (len)
   {
+    memcpy(this->data + current_position, this->temp_data, len);
+    current_position += len;
+    len = usb_serial_jtag_read_bytes(this->temp_data, 256, 1000 / 20);
+  }
+
+  if (current_position)
+  {
+    // once we're done, we can terminate the string and reset the counter
+    data[current_position] = '\0';
+    current_position = 0;
+
     auto result = this->commandManager->executeFromJson(std::string_view((const char *)this->data));
     auto resultMessage = result.getResult();
-    usb_serial_jtag_write_bytes(resultMessage.c_str(), resultMessage.length(), 10000);
+    usb_serial_jtag_write_bytes(resultMessage.c_str(), resultMessage.length(), 1000 / 20);
   }
 }
 

components/SerialManager/SerialManager/SerialManager.hpp

@@ -27,6 +27,7 @@ private:
   QueueHandle_t serialQueue;
   std::shared_ptr<CommandManager> commandManager;
   uint8_t *data;
+  uint8_t *temp_data;
 };
 
 void HandleSerialManagerTask(void *pvParameters);