mirror of
https://github.com/FreeRTOS/FreeRTOS-Kernel.git
synced 2025-08-29 22:48:37 -04:00
Start to remove unnecessary 'signed char *' casts from strings that are now just plain char * types.
This commit is contained in:
Richard Barry
parent
b4116a7c7d
commit
da93f1fc4b
261 changed files with 2822 additions and 2815 deletions
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@ -1,5 +1,5 @@
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/*
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FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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All rights reserved
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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@ -84,18 +84,18 @@ static void vLCDTask( void *pvParameters );
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*/
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static void prvSetupLCD( void );
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/*
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* Move to the first (0) or second (1) row of the LCD.
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/*
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* Move to the first (0) or second (1) row of the LCD.
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*/
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static void prvLCDGotoRow( unsigned portSHORT usRow );
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/*
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* Write a string of text to the LCD.
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/*
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* Write a string of text to the LCD.
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*/
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static void prvLCDPutString( portCHAR *pcString );
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/*
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* Clear the LCD.
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/*
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* Clear the LCD.
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*/
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static void prvLCDClear( void );
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@ -115,25 +115,25 @@ static void prvLCDClear( void );
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#define PMAEN *( ( unsigned short * ) 0x60c )
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/* LCD R/W signal. */
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#define lcdRW LATDbits.LATD5
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#define lcdRW LATDbits.LATD5
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/* LCD lcdRS signal. */
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#define lcdRS LATBbits.LATB15
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#define lcdRS LATBbits.LATB15
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/* LCD lcdE signal . */
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#define lcdE LATDbits.LATD4
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#define lcdE LATDbits.LATD4
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/* Control signal pin direction. */
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#define RW_TRIS TRISDbits.TRISD5
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#define RW_TRIS TRISDbits.TRISD5
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#define RS_TRIS TRISBbits.TRISB15
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#define E_TRIS TRISDbits.TRISD4
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/* Port for LCD data */
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#define lcdDATA LATE
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#define lcdDATA LATE
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#define lcdDATAPORT PORTE
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/* I/O setup for data Port. */
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#define TRISDATA TRISE
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#define TRISDATA TRISE
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/* The length of the queue used to send messages to the LCD gatekeeper task. */
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#define lcdQUEUE_SIZE 3
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@ -155,7 +155,7 @@ xQueueHandle xStartLCDTask( void )
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/* Start the task that will write to the LCD. The LCD hardware is
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initialised from within the task itself so delays can be used. */
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xTaskCreate( vLCDTask, ( signed portCHAR * ) "LCD", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY + 1, NULL );
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xTaskCreate( vLCDTask, "LCD", configMINIMAL_STACK_SIZE, NULL, tskIDLE_PRIORITY + 1, NULL );
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return xLCDQueue;
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}
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@ -174,20 +174,20 @@ static void prvLCDGotoRow( unsigned portSHORT usRow )
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}
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/*-----------------------------------------------------------*/
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static void prvLCDCommand( portCHAR cCommand )
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static void prvLCDCommand( portCHAR cCommand )
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{
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/* Prepare RD0 - RD7. */
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lcdDATA &= 0xFF00;
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lcdDATA &= 0xFF00;
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/* Command byte to lcd. */
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lcdDATA |= cCommand;
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lcdDATA |= cCommand;
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/* Ensure lcdRW is 0. */
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lcdRW = 0;
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lcdRW = 0;
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lcdRS = 0;
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/* Toggle lcdE line. */
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lcdE = 1;
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lcdE = 1;
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vTaskDelay( lcdVERY_SHORT_DELAY );
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lcdE = 0;
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@ -198,26 +198,26 @@ static void prvLCDCommand( portCHAR cCommand )
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static void prvLCDData( portCHAR cChar )
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{
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/* ensure lcdRW is 0. */
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lcdRW = 0;
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lcdRW = 0;
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/* Assert register select to 1. */
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lcdRS = 1;
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lcdRS = 1;
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/* Prepare RD0 - RD7. */
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lcdDATA &= 0xFF00;
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lcdDATA &= 0xFF00;
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/* Data byte to lcd. */
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lcdDATA |= cChar;
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lcdE = 1;
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lcdDATA |= cChar;
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lcdE = 1;
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Nop();
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Nop();
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Nop();
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/* Toggle lcdE signal. */
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lcdE = 0;
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lcdE = 0;
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/* Negate register select to 0. */
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lcdRS = 0;
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lcdRS = 0;
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vTaskDelay( lcdVERY_SHORT_DELAY );
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}
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@ -245,83 +245,83 @@ static void prvSetupLCD( void )
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{
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/* Wait for proper power up. */
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vTaskDelay( lcdLONG_DELAY );
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/* Set initial states for the data and control pins */
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LATE &= 0xFF00;
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LATE &= 0xFF00;
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/* R/W state set low. */
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lcdRW = 0;
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lcdRW = 0;
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/* lcdRS state set low. */
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lcdRS = 0;
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lcdRS = 0;
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/* lcdE state set low. */
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lcdE = 0;
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lcdE = 0;
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/* Set data and control pins to outputs */
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TRISE &= 0xFF00;
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/* lcdRW pin set as output. */
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RW_TRIS = 0;
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RW_TRIS = 0;
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/* lcdRS pin set as output. */
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RS_TRIS = 0;
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RS_TRIS = 0;
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/* lcdE pin set as output. */
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E_TRIS = 0;
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E_TRIS = 0;
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/* 1st LCD initialization sequence */
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lcdDATA &= 0xFF00;
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lcdDATA |= 0x0038;
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lcdE = 1;
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lcdE = 1;
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Nop();
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Nop();
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Nop();
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/* Toggle lcdE signal. */
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lcdE = 0;
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lcdE = 0;
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vTaskDelay( lcdSHORT_DELAY );
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vTaskDelay( lcdSHORT_DELAY );
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vTaskDelay( lcdSHORT_DELAY );
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/* 2nd LCD initialization sequence */
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lcdDATA &= 0xFF00;
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lcdDATA |= 0x0038;
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lcdE = 1;
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lcdE = 1;
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Nop();
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Nop();
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Nop();
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Nop();
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/* Toggle lcdE signal. */
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lcdE = 0;
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lcdE = 0;
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vTaskDelay( lcdSHORT_DELAY );
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/* 3rd LCD initialization sequence */
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lcdDATA &= 0xFF00;
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lcdDATA |= 0x0038;
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lcdE = 1;
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lcdE = 1;
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Nop();
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Nop();
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Nop();
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Nop();
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/* Toggle lcdE signal. */
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lcdE = 0;
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lcdE = 0;
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vTaskDelay( lcdSHORT_DELAY );
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/* Function set. */
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prvLCDCommand( 0x38 );
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prvLCDCommand( 0x38 );
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/* Display on/off control, cursor blink off (0x0C). */
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prvLCDCommand( 0x0C );
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prvLCDCommand( 0x0C );
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/* Entry mode set (0x06). */
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prvLCDCommand( 0x06 );
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prvLCDCommand( 0x06 );
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prvLCDCommand( lcdCLEAR );
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prvLCDCommand( lcdCLEAR );
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}
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/*-----------------------------------------------------------*/
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@ -351,9 +351,9 @@ unsigned portSHORT usRow = 0;
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usRow++;
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prvLCDPutString( xMessage.pcMessage );
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/* Delay the requested amount of time to ensure the text just written
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/* Delay the requested amount of time to ensure the text just written
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to the LCD is not overwritten. */
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vTaskDelay( xMessage.xMinDisplayTime );
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vTaskDelay( xMessage.xMinDisplayTime );
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}
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}
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