nx_kbdchin.c 3.1 KB

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  1. /****************************************************************************
  2. * libs/libnx/nxmu/nx_kbdchin.c
  3. *
  4. * Copyright (C) 2008-2009, 2011-2013 Gregory Nutt. All rights reserved.
  5. * Author: Gregory Nutt <gnutt@nuttx.org>
  6. *
  7. * Redistribution and use in source and binary forms, with or without
  8. * modification, are permitted provided that the following conditions
  9. * are met:
  10. *
  11. * 1. Redistributions of source code must retain the above copyright
  12. * notice, this list of conditions and the following disclaimer.
  13. * 2. Redistributions in binary form must reproduce the above copyright
  14. * notice, this list of conditions and the following disclaimer in
  15. * the documentation and/or other materials provided with the
  16. * distribution.
  17. * 3. Neither the name NuttX nor the names of its contributors may be
  18. * used to endorse or promote products derived from this software
  19. * without specific prior written permission.
  20. *
  21. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24. * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  25. * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  26. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  27. * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  28. * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  29. * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  30. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  31. * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  32. * POSSIBILITY OF SUCH DAMAGE.
  33. *
  34. ****************************************************************************/
  35. /****************************************************************************
  36. * Included Files
  37. ****************************************************************************/
  38. #include <nuttx/config.h>
  39. #include <stdint.h>
  40. #include <errno.h>
  41. #include <debug.h>
  42. #include <nuttx/nx/nx.h>
  43. #include <nuttx/nx/nxmu.h>
  44. #ifdef CONFIG_NX_KBD
  45. /****************************************************************************
  46. * Public Functions
  47. ****************************************************************************/
  48. /****************************************************************************
  49. * Name: nx_kbdchin
  50. *
  51. * Description:
  52. * Used by a thread or interrupt handler that manages some kind of keypad
  53. * hardware to report text information to the NX server. That text
  54. * data will be routed by the NX server to the appropriate window client.
  55. *
  56. ****************************************************************************/
  57. int nx_kbdchin(NXHANDLE handle, uint8_t ch)
  58. {
  59. FAR struct nxfe_conn_s *conn = (FAR struct nxfe_conn_s *)handle;
  60. struct nxsvrmsg_kbdin_s outmsg;
  61. /* Inform the server of the new keypad data */
  62. outmsg.msgid = NX_SVRMSG_KBDIN;
  63. outmsg.nch = 1;
  64. outmsg.ch[0] = ch;
  65. return nxmu_sendserver(conn, &outmsg, sizeof(struct nxsvrmsg_kbdin_s));
  66. }
  67. #endif /* CONFIG_NX_KBD */