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/*
* 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!
*/
/*-----------------------------------------------------------
* Characters on the LCD are used to simulate LED's. In this case the 'ParTest'
* is really operating on the LCD display.
*-----------------------------------------------------------*/
/*
* This demo is configured to execute on the ES449 prototyping board from
* SoftBaugh. The ES449 has a built in LCD display and a single built in user
* LED. Therefore, in place of flashing an LED, the 'flash' and 'check' tasks
* toggle '*' characters on the LCD. The left most '*' represents LED 0, the
* next LED 1, etc.
*
* There is a single genuine on board LED referenced as LED 10.
*/
/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"
/* Demo application includes. */
#include "partest.h"
/* Constants required to setup the LCD. */
#define LCD_DIV_64 5
/* Constants required to access the "LED's". The LED segments are turned on
and off to generate '*' characters. */
#define partstNUM_LEDS ( ( unsigned char ) 6 )
#define partstSEGMENTS_ON ( ( unsigned char ) 0x0f )
#define partstSEGMENTS_OFF ( ( unsigned char ) 0x00 )
/* The LED number of the real on board LED, rather than a simulated LED. */
#define partstON_BOARD_LED ( ( unsigned portBASE_TYPE ) 10 )
#define mainON_BOARD_LED_BIT ( ( unsigned char ) 0x01 )
/* The LCD segments used to generate the '*' characters for LED's 0 to 5. */
unsigned char * const ucRHSSegments[ partstNUM_LEDS ] = { ( unsigned char * )0xa4,
( unsigned char * )0xa2,
( unsigned char * )0xa0,
( unsigned char * )0x9e,
( unsigned char * )0x9c,
( unsigned char * )0x9a };
unsigned char * const ucLHSSegments[ partstNUM_LEDS ] = { ( unsigned char * )0xa3,
( unsigned char * )0xa1,
( unsigned char * )0x9f,
( unsigned char * )0x9d,
( unsigned char * )0x9b,
( unsigned char * )0x99 };
/*
* Toggle the single genuine built in LED.
*/
static void prvToggleOnBoardLED( void );
/*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
/* Initialise the LCD hardware. */
/* Used for the onboard LED. */
P1DIR = 0x01;
// Setup Basic Timer for LCD operation
BTCTL = (LCD_DIV_64+0x23);
// Setup port functions
P1SEL = 0x32;
P2SEL = 0x00;
P3SEL = 0x00;
P4SEL = 0xFC;
P5SEL = 0xFF;
/* Initialise all segments to off. */
LCDM1 = partstSEGMENTS_OFF;
LCDM2 = partstSEGMENTS_OFF;
LCDM3 = partstSEGMENTS_OFF;
LCDM4 = partstSEGMENTS_OFF;
LCDM5 = partstSEGMENTS_OFF;
LCDM6 = partstSEGMENTS_OFF;
LCDM7 = partstSEGMENTS_OFF;
LCDM8 = partstSEGMENTS_OFF;
LCDM9 = partstSEGMENTS_OFF;
LCDM10 = partstSEGMENTS_OFF;
LCDM11 = partstSEGMENTS_OFF;
LCDM12 = partstSEGMENTS_OFF;
LCDM13 = partstSEGMENTS_OFF;
LCDM14 = partstSEGMENTS_OFF;
LCDM15 = partstSEGMENTS_OFF;
LCDM16 = partstSEGMENTS_OFF;
LCDM17 = partstSEGMENTS_OFF;
LCDM18 = partstSEGMENTS_OFF;
LCDM19 = partstSEGMENTS_OFF;
LCDM20 = partstSEGMENTS_OFF;
/* Setup LCD control. */
LCDCTL = (LCDSG0_7|LCD4MUX|LCDON);
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
/* Set or clear the output [in this case show or hide the '*' character. */
if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
{
vTaskSuspendAll();
{
if( xValue )
{
/* Turn on the segments required to show the '*'. */
*( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
*( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
}
else
{
/* Turn off all the segments. */
*( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
*( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
}
}
xTaskResumeAll();
}
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
{
vTaskSuspendAll();
{
/* If the '*' is already showing - hide it. If it is not already
showing then show it. */
if( *( ucRHSSegments[ uxLED ] ) )
{
*( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
*( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_OFF;
}
else
{
*( ucRHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
*( ucLHSSegments[ uxLED ] ) = partstSEGMENTS_ON;
}
}
xTaskResumeAll();
}
else
{
if( uxLED == partstON_BOARD_LED )
{
/* The request related to the genuine on board LED. */
prvToggleOnBoardLED();
}
}
}
/*-----------------------------------------------------------*/
static void prvToggleOnBoardLED( void )
{
static unsigned short sState = pdFALSE;
/* Toggle the state of the single genuine on board LED. */
if( sState )
{
P1OUT |= mainON_BOARD_LED_BIT;
}
else
{
P1OUT &= ~mainON_BOARD_LED_BIT;
}
sState = !sState;
}
/*-----------------------------------------------------------*/
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