module_handler.hpp

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#ifndef LIB_MODULE_HANDLER_INCLUDE_MODULE_HANDLER_HPP_
#define LIB_MODULE_HANDLER_INCLUDE_MODULE_HANDLER_HPP_
 
#include <libents/proto/transcoder.h>
 
#include <cstddef>
#include <cstdint>
#include <map>
 
#include "template_module.hpp"
 
// buffers that are used in place of i2c communication
#ifdef UNIT_TEST
static const uint8_t module_handler_buffer_size = 32;
static uint8_t module_handler_rx_buffer[module_handler_buffer_size] = {};
static uint8_t module_handler_tx_buffer[module_handler_buffer_size] = {};
#endif
 
namespace ModuleHandler {
 
class ModuleHandler {
 public:
  ModuleHandler();
 
  ~ModuleHandler();
 
  void RegisterModule(Module* module);
 
  void DeregisterModule(int type);
 
  Module* GetModule(int type);
 
  void ResetModules(void);
 
  void OnReceive(size_t num_bytes);
 
  void OnRequest(void);
 
 private:
  std::map<int, Module*> req_map;
 
  Module* last_module;
 
  typedef struct {
    const size_t size = Esp32Command_size;
    uint8_t data[Esp32Command_size] = {};
    size_t len = 0;
    size_t idx = 0;
  } Buffer;
 
  Buffer receive_buffer;
 
  Buffer request_buffer;
 
  bool send_length = true;
};
 
}  // namespace ModuleHandler
 
#endif  // LIB_MODULE_HANDLER_INCLUDE_MODULE_HANDLER_HPP_