516 lines
13 KiB
C
516 lines
13 KiB
C
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/**
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******************************************************************************
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* @file lcd_log.c
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* @author MCD Application Team
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* @version V1.0.0
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* @date 18-February-2014
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* @brief This file provides all the LCD Log firmware functions.
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*
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* The LCD Log module allows to automatically set a header and footer
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* on any application using the LCD display and allows to dump user,
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* debug and error messages by using the following macros: LCD_ErrLog(),
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* LCD_UsrLog() and LCD_DbgLog().
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*
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* It supports also the scroll feature by embedding an internal software
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* cache for display. This feature allows to dump message sequentially
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* on the display even if the number of displayed lines is bigger than
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* the total number of line allowed by the display.
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*
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT(c) 2014 STMicroelectronics</center></h2>
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include <stdio.h>
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#include "lcd_log.h"
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/** @addtogroup Utilities
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* @{
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*/
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/** @addtogroup STM32_EVAL
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* @{
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*/
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/** @addtogroup Common
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* @{
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*/
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/** @defgroup LCD_LOG
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* @brief LCD Log LCD_Application module
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* @{
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*/
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/** @defgroup LCD_LOG_Private_Types
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup LCD_LOG_Private_Defines
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* @{
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*/
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/**
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* @}
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*/
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/* Define the display window settings */
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#define YWINDOW_MIN 4
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/** @defgroup LCD_LOG_Private_Macros
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup LCD_LOG_Private_Variables
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* @{
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*/
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LCD_LOG_line LCD_CacheBuffer [LCD_CACHE_DEPTH];
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uint32_t LCD_LineColor;
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uint16_t LCD_CacheBuffer_xptr;
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uint16_t LCD_CacheBuffer_yptr_top;
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uint16_t LCD_CacheBuffer_yptr_bottom;
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uint16_t LCD_CacheBuffer_yptr_top_bak;
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uint16_t LCD_CacheBuffer_yptr_bottom_bak;
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FunctionalState LCD_CacheBuffer_yptr_invert;
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FunctionalState LCD_ScrollActive;
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FunctionalState LCD_Lock;
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FunctionalState LCD_Scrolled;
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uint16_t LCD_ScrollBackStep;
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/**
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* @}
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*/
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/** @defgroup LCD_LOG_Private_FunctionPrototypes
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* @{
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*/
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/**
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* @}
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*/
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/** @defgroup LCD_LOG_Private_Functions
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* @{
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*/
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/**
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* @brief Initializes the LCD Log module
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* @param None
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* @retval None
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*/
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void LCD_LOG_Init ( void)
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{
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/* Deinit LCD cache */
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LCD_LOG_DeInit();
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/* Clear the LCD */
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BSP_LCD_Clear(LCD_LOG_BACKGROUND_COLOR);
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}
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/**
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* @brief DeInitializes the LCD Log module.
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* @param None
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* @retval None
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*/
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void LCD_LOG_DeInit(void)
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{
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LCD_LineColor = LCD_LOG_TEXT_COLOR;
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LCD_CacheBuffer_xptr = 0;
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LCD_CacheBuffer_yptr_top = 0;
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LCD_CacheBuffer_yptr_bottom = 0;
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LCD_CacheBuffer_yptr_top_bak = 0;
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LCD_CacheBuffer_yptr_bottom_bak = 0;
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LCD_CacheBuffer_yptr_invert= ENABLE;
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LCD_ScrollActive = DISABLE;
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LCD_Lock = DISABLE;
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LCD_Scrolled = DISABLE;
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LCD_ScrollBackStep = 0;
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}
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/**
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* @brief Display the application header on the LCD screen
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* @param header: pointer to the string to be displayed
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* @retval None
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*/
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void LCD_LOG_SetHeader (uint8_t *header)
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{
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/* Set the LCD Font */
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BSP_LCD_SetFont (&LCD_LOG_HEADER_FONT);
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BSP_LCD_SetTextColor(LCD_LOG_SOLID_BACKGROUND_COLOR);
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BSP_LCD_FillRect(0, 0, BSP_LCD_GetXSize(), LCD_LOG_HEADER_FONT.Height * 3);
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/* Set the LCD Text Color */
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BSP_LCD_SetTextColor(LCD_LOG_SOLID_TEXT_COLOR);
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BSP_LCD_SetBackColor(LCD_LOG_SOLID_BACKGROUND_COLOR);
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BSP_LCD_DisplayStringAt(0, LCD_LOG_HEADER_FONT.Height, header, CENTER_MODE);
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BSP_LCD_SetBackColor(LCD_LOG_BACKGROUND_COLOR);
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BSP_LCD_SetTextColor(LCD_LOG_TEXT_COLOR);
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BSP_LCD_SetFont (&LCD_LOG_TEXT_FONT);
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}
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/**
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* @brief Display the application footer on the LCD screen
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* @param footer: pointer to the string to be displayed
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* @retval None
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*/
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void LCD_LOG_SetFooter(uint8_t *footer)
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{
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/* Set the LCD Font */
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BSP_LCD_SetFont (&LCD_LOG_FOOTER_FONT);
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BSP_LCD_SetTextColor(LCD_LOG_SOLID_BACKGROUND_COLOR);
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BSP_LCD_FillRect(0, BSP_LCD_GetYSize() - LCD_LOG_FOOTER_FONT.Height - 4, BSP_LCD_GetXSize(), LCD_LOG_FOOTER_FONT.Height + 4);
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/* Set the LCD Text Color */
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BSP_LCD_SetTextColor(LCD_LOG_SOLID_TEXT_COLOR);
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BSP_LCD_SetBackColor(LCD_LOG_SOLID_BACKGROUND_COLOR);
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BSP_LCD_DisplayStringAt(0, BSP_LCD_GetYSize() - LCD_LOG_FOOTER_FONT.Height, footer, CENTER_MODE);
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BSP_LCD_SetBackColor(LCD_LOG_BACKGROUND_COLOR);
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BSP_LCD_SetTextColor(LCD_LOG_TEXT_COLOR);
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BSP_LCD_SetFont (&LCD_LOG_TEXT_FONT);
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}
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/**
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* @brief Clear the Text Zone
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* @param None
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* @retval None
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*/
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void LCD_LOG_ClearTextZone(void)
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{
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uint8_t i=0;
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for (i= 0 ; i < YWINDOW_SIZE; i++)
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{
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BSP_LCD_ClearStringLine(i + YWINDOW_MIN);
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}
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LCD_LOG_DeInit();
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}
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/**
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* @brief Redirect the printf to the LCD
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* @param c: character to be displayed
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* @param f: output file pointer
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* @retval None
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*/
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LCD_LOG_PUTCHAR
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{
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sFONT *cFont = BSP_LCD_GetFont();
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uint32_t idx;
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if(LCD_Lock == DISABLE)
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{
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if(LCD_ScrollActive == ENABLE)
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{
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LCD_CacheBuffer_yptr_bottom = LCD_CacheBuffer_yptr_bottom_bak;
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LCD_CacheBuffer_yptr_top = LCD_CacheBuffer_yptr_top_bak;
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LCD_ScrollActive = DISABLE;
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LCD_Scrolled = DISABLE;
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LCD_ScrollBackStep = 0;
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}
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if(( LCD_CacheBuffer_xptr < (BSP_LCD_GetXSize()) /cFont->Width ) && ( ch != '\n'))
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{
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LCD_CacheBuffer[LCD_CacheBuffer_yptr_bottom].line[LCD_CacheBuffer_xptr++] = (uint16_t)ch;
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}
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else
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{
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if(LCD_CacheBuffer_yptr_top >= LCD_CacheBuffer_yptr_bottom)
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{
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if(LCD_CacheBuffer_yptr_invert == DISABLE)
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{
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LCD_CacheBuffer_yptr_top++;
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if(LCD_CacheBuffer_yptr_top == LCD_CACHE_DEPTH)
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{
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LCD_CacheBuffer_yptr_top = 0;
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}
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}
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else
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{
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LCD_CacheBuffer_yptr_invert= DISABLE;
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}
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}
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for(idx = LCD_CacheBuffer_xptr ; idx < (BSP_LCD_GetXSize()) /cFont->Width; idx++)
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{
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LCD_CacheBuffer[LCD_CacheBuffer_yptr_bottom].line[LCD_CacheBuffer_xptr++] = ' ';
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}
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LCD_CacheBuffer[LCD_CacheBuffer_yptr_bottom].color = LCD_LineColor;
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LCD_CacheBuffer_xptr = 0;
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LCD_LOG_UpdateDisplay ();
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LCD_CacheBuffer_yptr_bottom ++;
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if (LCD_CacheBuffer_yptr_bottom == LCD_CACHE_DEPTH)
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{
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LCD_CacheBuffer_yptr_bottom = 0;
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LCD_CacheBuffer_yptr_top = 1;
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LCD_CacheBuffer_yptr_invert = ENABLE;
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}
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if( ch != '\n')
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{
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LCD_CacheBuffer[LCD_CacheBuffer_yptr_bottom].line[LCD_CacheBuffer_xptr++] = (uint16_t)ch;
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}
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}
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}
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return ch;
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}
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/**
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* @brief Update the text area display
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* @param None
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* @retval None
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*/
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void LCD_LOG_UpdateDisplay (void)
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{
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uint8_t cnt = 0 ;
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uint16_t length = 0 ;
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uint16_t ptr = 0, index = 0;
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if((LCD_CacheBuffer_yptr_bottom < (YWINDOW_SIZE -1)) &&
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(LCD_CacheBuffer_yptr_bottom >= LCD_CacheBuffer_yptr_top))
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{
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BSP_LCD_SetTextColor(LCD_CacheBuffer[cnt + LCD_CacheBuffer_yptr_bottom].color);
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BSP_LCD_DisplayStringAtLine ((YWINDOW_MIN + LCD_CacheBuffer_yptr_bottom),
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(uint8_t *)(LCD_CacheBuffer[cnt + LCD_CacheBuffer_yptr_bottom].line));
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}
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else
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{
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if(LCD_CacheBuffer_yptr_bottom < LCD_CacheBuffer_yptr_top)
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{
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/* Virtual length for rolling */
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length = LCD_CACHE_DEPTH + LCD_CacheBuffer_yptr_bottom ;
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}
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else
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{
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length = LCD_CacheBuffer_yptr_bottom;
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}
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ptr = length - YWINDOW_SIZE + 1;
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for (cnt = 0 ; cnt < YWINDOW_SIZE ; cnt ++)
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{
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index = (cnt + ptr )% LCD_CACHE_DEPTH ;
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BSP_LCD_SetTextColor(LCD_CacheBuffer[index].color);
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BSP_LCD_DisplayStringAtLine ((cnt + YWINDOW_MIN),
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(uint8_t *)(LCD_CacheBuffer[index].line));
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}
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}
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}
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#if( LCD_SCROLL_ENABLED == 1)
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/**
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* @brief Display previous text frame
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* @param None
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* @retval Status
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*/
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ErrorStatus LCD_LOG_ScrollBack(void)
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{
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if(LCD_ScrollActive == DISABLE)
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{
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LCD_CacheBuffer_yptr_bottom_bak = LCD_CacheBuffer_yptr_bottom;
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LCD_CacheBuffer_yptr_top_bak = LCD_CacheBuffer_yptr_top;
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if(LCD_CacheBuffer_yptr_bottom > LCD_CacheBuffer_yptr_top)
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{
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if ((LCD_CacheBuffer_yptr_bottom - LCD_CacheBuffer_yptr_top) <= YWINDOW_SIZE)
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{
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LCD_Lock = DISABLE;
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return ERROR;
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}
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}
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LCD_ScrollActive = ENABLE;
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if((LCD_CacheBuffer_yptr_bottom > LCD_CacheBuffer_yptr_top)&&
|
||
|
|
(LCD_Scrolled == DISABLE ))
|
||
|
|
{
|
||
|
|
LCD_CacheBuffer_yptr_bottom--;
|
||
|
|
LCD_Scrolled = ENABLE;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if(LCD_ScrollActive == ENABLE)
|
||
|
|
{
|
||
|
|
LCD_Lock = ENABLE;
|
||
|
|
|
||
|
|
if(LCD_CacheBuffer_yptr_bottom > LCD_CacheBuffer_yptr_top)
|
||
|
|
{
|
||
|
|
|
||
|
|
if((LCD_CacheBuffer_yptr_bottom - LCD_CacheBuffer_yptr_top) < YWINDOW_SIZE )
|
||
|
|
{
|
||
|
|
LCD_Lock = DISABLE;
|
||
|
|
return ERROR;
|
||
|
|
}
|
||
|
|
|
||
|
|
LCD_CacheBuffer_yptr_bottom --;
|
||
|
|
}
|
||
|
|
else if(LCD_CacheBuffer_yptr_bottom <= LCD_CacheBuffer_yptr_top)
|
||
|
|
{
|
||
|
|
|
||
|
|
if((LCD_CACHE_DEPTH - LCD_CacheBuffer_yptr_top + LCD_CacheBuffer_yptr_bottom) < YWINDOW_SIZE)
|
||
|
|
{
|
||
|
|
LCD_Lock = DISABLE;
|
||
|
|
return ERROR;
|
||
|
|
}
|
||
|
|
LCD_CacheBuffer_yptr_bottom --;
|
||
|
|
|
||
|
|
if(LCD_CacheBuffer_yptr_bottom == 0xFFFF)
|
||
|
|
{
|
||
|
|
LCD_CacheBuffer_yptr_bottom = LCD_CACHE_DEPTH - 2;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
LCD_ScrollBackStep++;
|
||
|
|
LCD_LOG_UpdateDisplay();
|
||
|
|
LCD_Lock = DISABLE;
|
||
|
|
}
|
||
|
|
return SUCCESS;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @brief Display next text frame
|
||
|
|
* @param None
|
||
|
|
* @retval Status
|
||
|
|
*/
|
||
|
|
ErrorStatus LCD_LOG_ScrollForward(void)
|
||
|
|
{
|
||
|
|
|
||
|
|
if(LCD_ScrollBackStep != 0)
|
||
|
|
{
|
||
|
|
if(LCD_ScrollActive == DISABLE)
|
||
|
|
{
|
||
|
|
|
||
|
|
LCD_CacheBuffer_yptr_bottom_bak = LCD_CacheBuffer_yptr_bottom;
|
||
|
|
LCD_CacheBuffer_yptr_top_bak = LCD_CacheBuffer_yptr_top;
|
||
|
|
|
||
|
|
if(LCD_CacheBuffer_yptr_bottom > LCD_CacheBuffer_yptr_top)
|
||
|
|
{
|
||
|
|
|
||
|
|
if ((LCD_CacheBuffer_yptr_bottom - LCD_CacheBuffer_yptr_top) <= YWINDOW_SIZE)
|
||
|
|
{
|
||
|
|
LCD_Lock = DISABLE;
|
||
|
|
return ERROR;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
LCD_ScrollActive = ENABLE;
|
||
|
|
|
||
|
|
if((LCD_CacheBuffer_yptr_bottom > LCD_CacheBuffer_yptr_top)&&
|
||
|
|
(LCD_Scrolled == DISABLE ))
|
||
|
|
{
|
||
|
|
LCD_CacheBuffer_yptr_bottom--;
|
||
|
|
LCD_Scrolled = ENABLE;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
if(LCD_ScrollActive == ENABLE)
|
||
|
|
{
|
||
|
|
LCD_Lock = ENABLE;
|
||
|
|
LCD_ScrollBackStep--;
|
||
|
|
|
||
|
|
if(++LCD_CacheBuffer_yptr_bottom == LCD_CACHE_DEPTH)
|
||
|
|
{
|
||
|
|
LCD_CacheBuffer_yptr_bottom = 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
LCD_LOG_UpdateDisplay();
|
||
|
|
LCD_Lock = DISABLE;
|
||
|
|
|
||
|
|
}
|
||
|
|
return SUCCESS;
|
||
|
|
}
|
||
|
|
else // LCD_ScrollBackStep == 0
|
||
|
|
{
|
||
|
|
LCD_Lock = DISABLE;
|
||
|
|
return ERROR;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#endif /* LCD_SCROLL_ENABLED */
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* @}
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|