Files
hsb/S - Software/0 - HSB MRTS Kathode-MCP/3 - Implementation/0 - Code/hsb-mrts/inc/Display.h
mmi e3ca058c96 Updates:
- Re-located repairprocessrow information in dedicated object
- added error conditions to repair row and added condition handling to repair process

git-svn-id: https://svn.vbchaos.nl/svn/hsb/trunk@260 05563f52-14a8-4384-a975-3d1654cca0fa
2017-10-23 09:02:13 +00:00

238 lines
8.5 KiB
C

// -----------------------------------------------------------------------------
/// @file Display.h
/// @brief File description
// -----------------------------------------------------------------------------
// Micro-Key bv
// Industrieweg 28, 9804 TG Noordhorn
// Postbus 92, 9800 AB Zuidhorn
// The Netherlands
// Tel: +31 594 503020
// Fax: +31 594 505825
// Email: support@microkey.nl
// Web: www.microkey.nl
// -----------------------------------------------------------------------------
/// $Revision$
/// $Author$
/// $Date$
// (c) 2015 Micro-Key bv
// -----------------------------------------------------------------------------
/// @defgroup {group_name} {group_description}
/// Description
/// @file Display.h
/// @ingroup {group_name}
#ifndef DISPLAY_H_
#define DISPLAY_H_
// -----------------------------------------------------------------------------
// Include files
// -----------------------------------------------------------------------------
#include <stdbool.h>
#include "FreeRTOS.h"
#include "semphr.h"
#include "task.h"
#include "stm32f10x.h"
#include "DisplayDevice.h"
// -----------------------------------------------------------------------------
// Constant and macro definitions
// -----------------------------------------------------------------------------
#define DISPLAY_MAX_ROWS (6)
#define DISPLAY_MAX_COLUMNS (25)
// -----------------------------------------------------------------------------
// Type definitions.
// -----------------------------------------------------------------------------
struct DisplayCharacter
{
char character;
bool isUpdated;
};
struct Display
{
struct DisplayDevice* displayDevice;
TaskHandle_t taskHandle;
int TaskPriority;
uint16_t stackSize;
bool runTask;
SemaphoreHandle_t displayShadowAccessSemaphore;
SemaphoreHandle_t displayWriteRequest;
struct DisplayCharacter displayShadow[DISPLAY_MAX_ROWS][DISPLAY_MAX_COLUMNS];
int maxCharactersPerTransmit;
int refreshFeedCounter;
int refreshFeedFrequency_ms;
int refreshPeriod_ms;
bool initialized;
};
// -----------------------------------------------------------------------------
// Function declarations
// -----------------------------------------------------------------------------
/** ----------------------------------------------------------------------------
* Display_construct
* Constructor for a display application
*
* @param self The display object to initialize
* @param displayDevice The specific display device that the
* application will use
* @param TaskPriority Priority for the display Task
* 0 is highest (most important)
* @param stackSize Number of words (not bytes) for the
* display task
* @param maxNumberOfCharacters Max number of characters to send within
* one transfer action
*
* @return ErrorStatus SUCCESS if initialisation was OK
* ERROR otherwise
*
* @todo
* -----------------------------------------------------------------------------
*/
extern ErrorStatus Display_construct(struct Display* self, struct DisplayDevice* displayDevice, int TaskPriority, uint16_t stackSize, int maxCharactersPerTransmit, int refreshFeedFrequency_ms, int refreshPeriod);
/** ----------------------------------------------------------------------------
* Display_destruct
* Destructor for a display application
*
* @param self The display object to destruct
*
* @return void
*
* @todo
* -----------------------------------------------------------------------------
*/
extern void Display_destruct(struct Display* self);
/** ----------------------------------------------------------------------------
* Display_clearScreen
* Clear the complete display
*
* @param self The display information to use
*
* @return ErrorStatus SUCCESS if clearing display was OK
* ERROR otherwise
*
* @todo
* -----------------------------------------------------------------------------
*/
extern ErrorStatus Display_clearScreen(struct Display* self);
/** ----------------------------------------------------------------------------
* Display_clearLine
* Clears one particular line on the display
*
* @param self The display information to use
* @param line Linenumber to clear
*
* @return ErrorStatus SUCCESS if clearing line was OK
* ERROR otherwise, e.g. line number out of
* bound
*
* @todo
* -----------------------------------------------------------------------------
*/
extern ErrorStatus Display_clearLine(struct Display* self, size_t line);
/** ----------------------------------------------------------------------------
* Display_setState
* Sets the display state
*
* @param self The display information to use
* @param state The state to set
*
* @return ErrorStatus SUCCESS if clearing display was OK
* ERROR otherwise
*
* @todo
* -----------------------------------------------------------------------------
*/
extern ErrorStatus Display_setState(struct Display* self, DisplayDevice_functionalState state);
/** ----------------------------------------------------------------------------
* Display_setBrightness
* Sets the display brightness
*
* @param self The display information to use
* @param brightness The brightness to set
*
* @return ErrorStatus SUCCESS if clearing display was OK
* ERROR otherwise
*
* @todo
* -----------------------------------------------------------------------------
*/
extern ErrorStatus Display_setBrightness(struct Display* self, size_t brightness);
/** ----------------------------------------------------------------------------
* Display_setContrast
* Sets the display contrast
*
* @param self The display information to use
* @param state The contrast to set
*
* @return ErrorStatus SUCCESS if clearing display was OK
* ERROR otherwise
*
* @todo
* -----------------------------------------------------------------------------
*/
extern ErrorStatus Display_setContrast(struct Display* self, size_t contrast);
/** ----------------------------------------------------------------------------
* Display_write
* Write a text on the display
* Length of string/message gets calculated (and verified) automatically
*
* @param self The display information to use
* @param buffer The message to write
* @param row The row of the display to put the message
* Starts with 1
* @param column The column to start at with the message
* Starts with 1
*
* @return ErrorStatus SUCCESS if putting message to display was
* successful
* ERROR otherwise, especially
* - Message too long
* - Row/Column outside display boundaries
*
* @todo
* -----------------------------------------------------------------------------
*/
extern ErrorStatus Display_write(struct Display* self, const char* buffer, size_t row, size_t column);
/** ----------------------------------------------------------------------------
* Display_feedRefreshCounter
* Feeds the refresh counter for display content
* Must be called regulary. Count rhythm and limits are defined in self
*
* @param self The display instance
*
* @return void
*
* @todo
* -----------------------------------------------------------------------------
*/
extern void Display_feedRefreshCounter(struct Display* self);
#endif /* DISPLAY_H_ */