i2c_dev.h 1.5 KB

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  1. /*
  2. * File : i2c_dev.h
  3. * This file is part of RT-Thread RTOS
  4. * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License as published by
  8. * the Free Software Foundation; either version 2 of the License, or
  9. * (at your option) any later version.
  10. *
  11. * This program is distributed in the hope that it will be useful,
  12. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14. * GNU General Public License for more details.
  15. *
  16. * You should have received a copy of the GNU General Public License along
  17. * with this program; if not, write to the Free Software Foundation, Inc.,
  18. * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19. *
  20. * Change Logs:
  21. * Date Author Notes
  22. * 2012-04-25 weety first version
  23. */
  24. #ifndef __I2C_DEV_H__
  25. #define __I2C_DEV_H__
  26. #include <rtthread.h>
  27. #ifdef __cplusplus
  28. extern "C" {
  29. #endif
  30. #define RT_I2C_DEV_CTRL_10BIT 0x20
  31. #define RT_I2C_DEV_CTRL_ADDR 0x21
  32. #define RT_I2C_DEV_CTRL_TIMEOUT 0x22
  33. #define RT_I2C_DEV_CTRL_RW 0x23
  34. struct rt_i2c_priv_data
  35. {
  36. struct rt_i2c_msg *msgs;
  37. rt_size_t number;
  38. };
  39. rt_err_t rt_i2c_bus_device_device_init(struct rt_i2c_bus_device *bus,
  40. const char *name);
  41. #ifdef __cplusplus
  42. }
  43. #endif
  44. #endif