system_lpc176x.c 2.3 KB

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  1. /*
  2. * Copyright (C) 2012 by Ole Reinhardt <ole.reinhardt@embedded-it.de>
  3. *
  4. * All rights reserved.
  5. *
  6. * Redistribution and use in source and binary forms, with or without
  7. * modification, are permitted provided that the following conditions
  8. * are met:
  9. *
  10. * 1. Redistributions of source code must retain the above copyright
  11. * notice, this list of conditions and the following disclaimer.
  12. * 2. Redistributions in binary form must reproduce the above copyright
  13. * notice, this list of conditions and the following disclaimer in the
  14. * documentation and/or other materials provided with the distribution.
  15. * 3. Neither the name of the copyright holders nor the names of
  16. * contributors may be used to endorse or promote products derived
  17. * from this software without specific prior written permission.
  18. *
  19. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20. * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  22. * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  23. * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  24. * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  25. * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  26. * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  27. * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  28. * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
  29. * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30. * SUCH DAMAGE.
  31. *
  32. * For additional information see http://www.ethernut.de/
  33. */
  34. #include <stdint.h>
  35. #include <arch/cm3/nxp/lpc176x.h>
  36. /** @addtogroup LPC17xx_System_Defines
  37. * @{
  38. */
  39. /**
  40. * Note: LPC17xx Code Read Protection field field must be present in
  41. * LPC17xx flash image and ocupy a word at 0x000002FC
  42. *
  43. */
  44. const uint32_t LPC17XX_CRP __attribute__((section(".crp"), used)) = 0xFFFFFFFF;
  45. uint32_t Lpc176xGetCrpValue(void)
  46. {
  47. return *(&LPC17XX_CRP);
  48. }
  49. /**
  50. * Initialize the system
  51. *
  52. * @param none
  53. * @return none
  54. *
  55. * @brief Setup the microcontroller system.
  56. * Initialize the System and update the SystemFrequency variable.
  57. */
  58. void SystemInit (void)
  59. {
  60. }
  61. /**
  62. * @}
  63. */