slave.cpp 1.9 KB

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  1. // MIT License
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  9. // The above copyright notice and this permission notice shall be included in all
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  11. // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  12. // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  13. // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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  17. // SOFTWARE.
  18. // ## Additional Terms for Commercial Use
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  20. // For commercial use or use within a company, organization, or institution, a
  21. // separate commercial license is required.To obtain a commercial license,
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  26. #include "slave.h"
  27. #include "util/system.h"
  28. slave::slave(const std::string& name,int flag):m_flag(flag)
  29. {
  30. m_sm = std::make_unique<ylib::sharedmem>(false);
  31. if (m_sm->create(name, 128 * 2) == false)
  32. {
  33. std::cerr << m_sm->last_error() << std::endl;
  34. abort();
  35. }
  36. }
  37. slave::~slave()
  38. {
  39. m_sm->destory();
  40. }
  41. void slave::wait()
  42. {
  43. while ((*m_sm)[m_flag] == 0)
  44. system::sleep_msec(10);
  45. }
  46. void slave::write(uchar data)
  47. {
  48. ((char*)m_sm->mem())[m_flag+128] = data;
  49. }