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/boards/stm32VLDiscovery/hw/hw_led.h

https://github.com/imby/STM32VLDiscovery_BeRTOS
C Header | 71 lines | 26 code | 9 blank | 36 comment | 2 complexity | 12972c6299649b7809c5fb2c07f8cad9 MD5 | raw file
Possible License(s): GPL-2.0, BSD-3-Clause 
    

  1. /**
    2. 

  2.  * \file
    3. 

  3.  * <!--
    4. 

  4.  * This file is part of BeRTOS.
    5. 

  5.  *
    6. 

  6.  * Bertos is free software; you can redistribute it and/or modify
    7. 

  7.  * it under the terms of the GNU General Public License as published by
    8. 

  8.  * the Free Software Foundation; either version 2 of the License, or
    9. 

  9.  * (at your option) any later version.
    10. 

  10.  *
    11. 

  11.  * This program is distributed in the hope that it will be useful,
    12. 

  12.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    13. 

  13.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    14. 

  14.  * GNU General Public License for more details.
    15. 

  15.  *
    16. 

  16.  * You should have received a copy of the GNU General Public License
    17. 

  17.  * along with this program; if not, write to the Free Software
    18. 

  18.  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
    19. 

  19.  *
    20. 

  20.  * As a special exception, you may use this file as part of a free software
    21. 

  21.  * library without restriction.  Specifically, if other files instantiate
    22. 

  22.  * templates or use macros or inline functions from this file, or you compile
    23. 

  23.  * this file and link it with other files to produce an executable, this
    24. 

  24.  * file does not by itself cause the resulting executable to be covered by
    25. 

  25.  * the GNU General Public License.  This exception does not however
    26. 

  26.  * invalidate any other reasons why the executable file might be covered by
    27. 

  27.  * the GNU General Public License.
    28. 

  28.  *
    29. 

  29.  * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
    30. 

  30.  * All Rights Reserved.
    31. 

  31.  * -->
    32. 

  32.  *
    33. 

  33.  * \brief Led on/off macros for STM32-P103 board.
    34. 

  34.  *
    35. 

  35.  * \author Andrea Righi <arighi@develer.com>
    36. 

  36.  */
    37. 

  37. 

  38. #ifndef HW_LED_H
    39. 

  39. #define HW_LED_H
    40. 

  40. 

  41. #include <cfg/macros.h>
    42. 

  42. 

  43. #include <io/stm32.h>
    44. 

  44. 

  45. #include <drv/gpio_stm32.h>
    46. 

  46. #include <drv/clock_stm32.h>
    47. 

  47. 

  48. #define LED_PIN			    BV(8)
    49. 

  49. #define LED_GPIO_BASE		((struct stm32_gpio *)GPIOC_BASE)
    50. 

  50. 

  51. #define LED_ON()							\
    52. 

  52. 		do {							\
    53. 

  53. 			stm32_gpioPinWrite(LED_GPIO_BASE, LED_PIN, 1);	\
    54. 

  54. 		} while (0)
    55. 

  55. 

  56. #define LED_OFF()							\
    57. 

  57. 		do {							\
    58. 

  58. 			stm32_gpioPinWrite(LED_GPIO_BASE, LED_PIN, 0);	\
    59. 

  59. 		} while (0)
    60. 

  60. 

  61. #define LED_INIT()							\
    62. 

  62. 		do {							\
    63. 

  63. 			/* Enable clocking on GPIOA and GPIOC */	\
    64. 

  64. 			RCC->APB2ENR |= RCC_APB2_GPIOC;			\
    65. 

  65. 			/* Configure the LED pin as GPIO */		\
    66. 

  66. 			stm32_gpioPinConfig(LED_GPIO_BASE,		\
    67. 

  67. 					LED_PIN, GPIO_MODE_OUT_PP,	\
    68. 

  68. 					GPIO_SPEED_50MHZ);		\
    69. 

  69. 		} while(0)
    70. 

  70. 

  71. #endif /* HW_LED_H */
    72. 

  72.