2 * FreeRTOS Kernel V10.3.0
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3 * Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
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6 * this software and associated documentation files (the "Software"), to deal in
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7 * the Software without restriction, including without limitation the rights to
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8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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9 * the Software, and to permit persons to whom the Software is furnished to do so,
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10 * subject to the following conditions:
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12 * The above copyright notice and this permission notice shall be included in all
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13 * copies or substantial portions of the Software.
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15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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17 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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18 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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19 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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20 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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22 * http://www.FreeRTOS.org
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23 * http://aws.amazon.com/freertos
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25 * 1 tab == 4 spaces!
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28 /*-----------------------------------------------------------
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29 * Simple parallel port IO routines.
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30 *-----------------------------------------------------------*/
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32 /* Kernel includes. */
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33 #include "FreeRTOS.h"
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36 /* Fujitsu drivers/libraries. */
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39 /* Only the LEDs on one of the two seven segment displays are used. */
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40 #define partstMAX_LEDS 8
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42 /*-----------------------------------------------------------*/
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44 void vParTestInitialise( void )
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46 /* Analog inputs are not used on the LED outputs. */
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47 FM3_GPIO->ADE = 0x0000;
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49 /* Set to output. */
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50 FM3_GPIO->DDR1 |= 0xFFFF;
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51 FM3_GPIO->DDR3 |= 0xFFFF;
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54 FM3_GPIO->PFR1 &= 0x0000;
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55 FM3_GPIO->PFR3 &= 0x0000;
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57 /* Start with all LEDs off. */
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58 FM3_GPIO->PDOR1 = 0xFFFF;
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59 FM3_GPIO->PDOR1 = 0xFFFF;
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61 /*-----------------------------------------------------------*/
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63 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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65 if( uxLED < partstMAX_LEDS )
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67 /* A critical section is used as the LEDs are also accessed from an
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69 taskENTER_CRITICAL();
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71 if( xValue == pdTRUE )
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73 FM3_GPIO->PDOR1 &= ~( 1UL << uxLED );
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77 FM3_GPIO->PDOR1 |= ( 1UL << uxLED );
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80 taskEXIT_CRITICAL();
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83 /*-----------------------------------------------------------*/
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85 void vParTestSetLEDFromISR( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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87 unsigned portBASE_TYPE uxInterruptFlags;
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89 uxInterruptFlags = portSET_INTERRUPT_MASK_FROM_ISR();
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91 if( uxLED < partstMAX_LEDS )
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93 if( xValue == pdTRUE )
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95 FM3_GPIO->PDOR1 &= ~( 1UL << uxLED );
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99 FM3_GPIO->PDOR1 |= ( 1UL << uxLED );
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103 portCLEAR_INTERRUPT_MASK_FROM_ISR( uxInterruptFlags );
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105 /*-----------------------------------------------------------*/
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107 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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109 if( uxLED < partstMAX_LEDS )
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111 /* A critical section is used as the LEDs are also accessed from an
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113 taskENTER_CRITICAL();
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115 if( ( FM3_GPIO->PDOR1 & ( 1UL << uxLED ) ) != 0UL )
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117 FM3_GPIO->PDOR1 &= ~( 1UL << uxLED );
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121 FM3_GPIO->PDOR1 |= ( 1UL << uxLED );
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124 taskEXIT_CRITICAL();
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127 /*-----------------------------------------------------------*/
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