2 * FreeRTOS Kernel V10.0.1
3 * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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:
12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
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.
22 * http://www.FreeRTOS.org
23 * http://aws.amazon.com/freertos
28 /* FreeRTOS.org includes. */
31 /* Demo application includes. */
34 #define partstFIRST_IO ( ( unsigned long ) 0x01 )
35 #define partstNUM_LEDS ( 8 )
36 #define partstALL_OUTPUTS_OFF ( ( unsigned long ) 0xff )
38 /*-----------------------------------------------------------
39 * Simple parallel port IO routines.
40 *-----------------------------------------------------------*/
42 void vParTestInitialise( void )
46 FIO2MASK = 0x00000000;
48 SCS |= (1<<0); //fast mode for port 0 and 1
50 FIO2CLR = partstALL_OUTPUTS_OFF;
52 /*-----------------------------------------------------------*/
54 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
56 unsigned long ulLED = partstFIRST_IO;
58 if( uxLED < partstNUM_LEDS )
60 /* Rotate to the wanted bit of port */
61 ulLED <<= ( unsigned long ) uxLED;
63 /* Set of clear the output. */
74 /*-----------------------------------------------------------*/
76 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
78 unsigned long ulLED = partstFIRST_IO, ulCurrentState;
80 if( uxLED < partstNUM_LEDS )
82 /* Rotate to the wanted bit of port 0. Only P10 to P13 have an LED
84 ulLED <<= ( unsigned long ) uxLED;
86 /* If this bit is already set, clear it, and vice versa. */
87 ulCurrentState = FIO2PIN;
88 if( ulCurrentState & ulLED )
99 /*-----------------------------------------------------------*/
100 unsigned portBASE_TYPE uxParTextGetLED( unsigned portBASE_TYPE uxLED )
102 unsigned long ulLED = partstFIRST_IO;
104 ulLED <<= ( unsigned long ) uxLED;
106 return ( FIO2PIN & ulLED );