2 * FreeRTOS Kernel V10.0.0
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3 * Copyright (C) 2017 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. If you wish to use our Amazon
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14 * FreeRTOS name, please do so in a fair use way that does not cause confusion.
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16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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18 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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19 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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20 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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21 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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23 * http://www.FreeRTOS.org
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24 * http://aws.amazon.com/freertos
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26 * 1 tab == 4 spaces!
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29 /* Library includes. */
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32 /* Scheduler includes. */
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33 #include "FreeRTOS.h"
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35 /* Demo application includes. */
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36 #include "partest.h"
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38 /*-----------------------------------------------------------
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39 * Simple parallel port IO routines for the LED's - which are
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40 * connected to the second nibble of GPIO port 1.
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41 *-----------------------------------------------------------*/
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43 #define partstLED_3 0x0080
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44 #define partstLED_2 0x0040
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45 #define partstLED_1 0x0020
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46 #define partstLED_0 0x0010
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47 #define partstON_BOARD 0x0100 /* The LED built onto the KickStart board. */
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49 #define partstALL_LEDs ( partstLED_0 | partstLED_1 | partstLED_2 | partstLED_3 | partstON_BOARD )
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51 #define partstFIRST_LED_BIT 4
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53 /* This demo application uses files that are common to all port demo
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54 applications. These files assume 6 LED's are available, whereas I have
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55 only 5 (including the LED built onto the development board). To prevent
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56 two tasks trying to use the same LED a bit of remapping is performed.
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57 The ComTest tasks will try and use LED's 6 and 7. LED 6 is ignored and
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58 has no effect, LED 7 is mapped to LED3. The LED usage is described in
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59 the port documentation available from the FreeRTOS.org WEB site. */
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60 #define partstCOM_TEST_LED 7
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61 #define partstRX_CHAR_LED 3
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63 /*-----------------------------------------------------------*/
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65 void vParTestInitialise( void )
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67 /* Configure the bits used to flash LED's on port 1 as output. */
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68 GPIO_Config(GPIO1, partstALL_LEDs, GPIO_OUT_OD);
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70 /*-----------------------------------------------------------*/
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72 void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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74 if( uxLED == partstCOM_TEST_LED )
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76 /* Remap as described above. */
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77 uxLED = partstRX_CHAR_LED;
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80 /* Adjust the LED value to map to the port pins actually being used,
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81 then write the required value to the port. */
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82 uxLED += partstFIRST_LED_BIT;
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83 GPIO_BitWrite( GPIO1, uxLED, !xValue );
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85 /*-----------------------------------------------------------*/
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87 void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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89 if( uxLED == partstCOM_TEST_LED )
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91 /* Remap as described above. */
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92 uxLED = partstRX_CHAR_LED;
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95 /* Adjust the LED value to map to the port pins actually being used,
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96 then write the opposite value to the current state to the port pin. */
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97 uxLED += partstFIRST_LED_BIT;
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98 GPIO_BitWrite(GPIO1, uxLED, ~GPIO_BitRead( GPIO1, uxLED ) );
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