begriffs open source - cmsis-freertos/blob - Demo/ARM7_LPC2129

1 /*

2 * FreeRTOS Kernel V10.0.1

4 *

5 * Permission is hereby granted, free of charge, to any person obtaining a copy of

6 * this software and associated documentation files (the "Software"), to deal in

7 * the Software without restriction, including without limitation the rights to

8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of

9 * the Software, and to permit persons to whom the Software is furnished to do so,

10 * subject to the following conditions:

11 *

12 * The above copyright notice and this permission notice shall be included in all

13 * copies or substantial portions of the Software.

14 *

15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS

17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR

18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER

19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

21 *

22 * http://www.FreeRTOS.org

23 * http://aws.amazon.com/freertos

24 *

25 * 1 tab == 4 spaces!

26 */

28 /*-----------------------------------------------------------

29 * Simple parallel port IO routines for the LED's.

30 *-----------------------------------------------------------*/

33 /* Scheduler includes. */

34 #include "FreeRTOS.h"

36 /* Demo application includes. */

37 #include "partest.h"

39 /* Board specific defines. */

40 #define partstFIRST_IO ( ( unsigned long ) 0x10000 )

41 #define partstNUM_LEDS ( 8 )

43 /*-----------------------------------------------------------*/

45 void vParTestInitialise( void )

46 {

47 /* The ports are setup within prvInitialiseHardware(), called by main(). */

48 }

49 /*-----------------------------------------------------------*/

51 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )

52 {

53 unsigned long ulLED = partstFIRST_IO;

55 if( uxLED < partstNUM_LEDS )

56 {

57 /* Rotate to the wanted bit of port 1. Only P16 to P23 have an LED

58 attached. */

59 ulLED <<= ( unsigned long ) uxLED;

61 /* Set or clear the output. */

62 if( xValue )

63 {

64 IO1SET = ulLED;

65 }

66 else

67 {

68 IO1CLR = ulLED;

69 }

70 }

71 }

72 /*-----------------------------------------------------------*/

74 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )

75 {

76 unsigned long ulLED = partstFIRST_IO, ulCurrentState;

78 if( uxLED < partstNUM_LEDS )

79 {

80 /* Rotate to the wanted bit of port 1. Only P10 to P13 have an LED

81 attached. */

82 ulLED <<= ( unsigned long ) uxLED;

84 /* If this bit is already set, clear it, and vice versa. */

85 ulCurrentState = IO1PIN;

86 if( ulCurrentState & ulLED )

87 {

88 IO1CLR = ulLED;

89 }

90 else

91 {

92 IO1SET = ulLED;

93 }

94 }

95 }