/* | |
* FreeRTOS Kernel V10.3.0 | |
* Copyright (C) 2020 Amazon.com, Inc. or its affiliates. All Rights Reserved. | |
* | |
* Permission is hereby granted, free of charge, to any person obtaining a copy of | |
* this software and associated documentation files (the "Software"), to deal in | |
* the Software without restriction, including without limitation the rights to | |
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of | |
* the Software, and to permit persons to whom the Software is furnished to do so, | |
* subject to the following conditions: | |
* | |
* The above copyright notice and this permission notice shall be included in all | |
* copies or substantial portions of the Software. | |
* | |
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS | |
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR | |
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER | |
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
* | |
* http://www.FreeRTOS.org | |
* http://aws.amazon.com/freertos | |
* | |
* 1 tab == 4 spaces! | |
*/ | |
#include <c8051f120.h> | |
#include "FreeRTOS.h" | |
#include "task.h" | |
#include "partest.h" | |
#define partstPUSH_PULL ( ( unsigned char ) 0xff ) | |
#define partstALL_OUTPUTS_OFF ( ( unsigned char ) 0xff ) | |
/* LED to output is dependent on how the LED's are wired. */ | |
#define partstOUTPUT_0 ( ( unsigned char ) 0x02 ) | |
#define partstOUTPUT_1 ( ( unsigned char ) 0x08 ) | |
#define partstOUTPUT_2 ( ( unsigned char ) 0x20 ) | |
#define partstOUTPUT_3 ( ( unsigned char ) 0x01 ) | |
#define partstOUTPUT_4 ( ( unsigned char ) 0x04 ) | |
#define partstOUTPUT_5 ( ( unsigned char ) 0x10 ) | |
#define partstOUTPUT_6 ( ( unsigned char ) 0x40 ) | |
#define partstOUTPUT_7 ( ( unsigned char ) 0x80 ) | |
/*----------------------------------------------------------- | |
* Simple parallel port IO routines. | |
*-----------------------------------------------------------*/ | |
void vParTestInitialise( void ) | |
{ | |
unsigned char ucOriginalSFRPage; | |
/* Remember the SFR page before it is changed so it can get set back | |
before the function exits. */ | |
ucOriginalSFRPage = SFRPAGE; | |
/* Setup the SFR page to access the config SFR's. */ | |
SFRPAGE = CONFIG_PAGE; | |
/* Set the on board LED to push pull. */ | |
P3MDOUT |= partstPUSH_PULL; | |
/* Return the SFR page. */ | |
SFRPAGE = ucOriginalSFRPage; | |
P3 = partstALL_OUTPUTS_OFF; | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestSetLED( unsigned portBASE_TYPE uxLED, portBASE_TYPE xValue ) | |
{ | |
portBASE_TYPE xError = pdFALSE; | |
vTaskSuspendAll(); | |
{ | |
if( xValue == pdFALSE ) | |
{ | |
switch( uxLED ) | |
{ | |
case 0 : P3 |= partstOUTPUT_0; | |
break; | |
case 1 : P3 |= partstOUTPUT_1; | |
break; | |
case 2 : P3 |= partstOUTPUT_2; | |
break; | |
case 3 : P3 |= partstOUTPUT_3; | |
break; | |
case 4 : P3 |= partstOUTPUT_4; | |
break; | |
case 5 : P3 |= partstOUTPUT_5; | |
break; | |
case 6 : P3 |= partstOUTPUT_6; | |
break; | |
case 7 : P3 |= partstOUTPUT_7; | |
break; | |
default : /* There are no other LED's wired in. */ | |
xError = pdTRUE; | |
break; | |
} | |
} | |
else | |
{ | |
switch( uxLED ) | |
{ | |
case 0 : P3 &= ~partstOUTPUT_0; | |
break; | |
case 1 : P3 &= ~partstOUTPUT_1; | |
break; | |
case 2 : P3 &= ~partstOUTPUT_2; | |
break; | |
case 3 : P3 &= ~partstOUTPUT_3; | |
break; | |
case 4 : P3 &= ~partstOUTPUT_4; | |
break; | |
case 5 : P3 &= ~partstOUTPUT_5; | |
break; | |
case 6 : P3 &= ~partstOUTPUT_6; | |
break; | |
case 7 : P3 &= ~partstOUTPUT_7; | |
break; | |
default : /* There are no other LED's wired in. */ | |
break; | |
} | |
} | |
} | |
xTaskResumeAll(); | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) | |
{ | |
unsigned char ucBit; | |
portBASE_TYPE xError = pdFALSE; | |
vTaskSuspendAll(); | |
{ | |
switch( uxLED ) | |
{ | |
case 0 : ucBit = partstOUTPUT_0; | |
break; | |
case 1 : ucBit = partstOUTPUT_1; | |
break; | |
case 2 : ucBit = partstOUTPUT_2; | |
break; | |
case 3 : ucBit = partstOUTPUT_3; | |
break; | |
case 4 : ucBit = partstOUTPUT_4; | |
break; | |
case 5 : ucBit = partstOUTPUT_5; | |
break; | |
case 6 : ucBit = partstOUTPUT_6; | |
break; | |
case 7 : ucBit = partstOUTPUT_7; | |
break; | |
default : /* There are no other LED's wired in. */ | |
xError = pdTRUE; | |
break; | |
} | |
if( xError != pdTRUE ) | |
{ | |
if( P3 & ucBit ) | |
{ | |
P3 &= ~ucBit; | |
} | |
else | |
{ | |
P3 |= ucBit; | |
} | |
} | |
} | |
xTaskResumeAll(); | |
} | |