194 lines
4.8 KiB
C
194 lines
4.8 KiB
C
/*
|
|
* This file is subject to the terms of the GFX License, v1.0. If a copy of
|
|
* the license was not distributed with this file, you can obtain one at:
|
|
*
|
|
* http://chibios-gfx.com/license.html
|
|
*/
|
|
|
|
/**
|
|
* @file include/tdisp/tdisp.h
|
|
* @brief TDISP Graphic Driver subsystem header file.
|
|
*
|
|
* @addtogroup TDISP
|
|
*
|
|
* @details The TDISP module provides high level abstraction to interface pixel oriented graphic displays.
|
|
* Due the TDISP module is completely encapsulated from the other modules, it's very fast and lightweight.
|
|
*
|
|
* @pre GFX_USE_TDISP must be set to TRUE in gfxconf.h
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
#ifndef _TDISP_H
|
|
#define _TDISP_H
|
|
|
|
#include "gfx.h"
|
|
|
|
#if GFX_USE_TDISP || defined(__DOXYGEN__)
|
|
|
|
/**
|
|
* @brief TDISP cursor shape definitions
|
|
*/
|
|
typedef enum cursorshape_e {
|
|
cursorOff,
|
|
cursorBlock,
|
|
cursorBlinkingBlock,
|
|
cursorUnderline,
|
|
cursorBlinkingUnderline,
|
|
cursorBar,
|
|
cursorBlinkingBar,
|
|
} cursorshape;
|
|
|
|
/**
|
|
* @name TDISP control values
|
|
* @note The low level driver may define extra control values
|
|
* @{
|
|
*/
|
|
#define TDISP_CTRL_BACKLIGHT 0x0000
|
|
#define TDISP_CTRL_CURSOR 0x0001
|
|
/** @} */
|
|
|
|
/**
|
|
* @brief The TDISP structure definition
|
|
*/
|
|
typedef struct tdispStruct_t {
|
|
coord_t columns, rows;
|
|
coord_t charBitsX, charBitsY;
|
|
uint16_t maxCustomChars;
|
|
} tdispStruct;
|
|
|
|
/**
|
|
* @brief The TDISP structure
|
|
*/
|
|
extern tdispStruct TDISP;
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* @brief TDISP driver initialisation
|
|
* @note This function is not implicitly invoked by @p halInit().
|
|
* It must be called manually.
|
|
*
|
|
* @return TRUE if success, FALSE otherwise
|
|
*
|
|
* @init
|
|
*/
|
|
bool_t tdispInit(void);
|
|
|
|
/**
|
|
* @brief Clears the display
|
|
*/
|
|
void tdispClear(void);
|
|
|
|
/**
|
|
* @brief Sets the cursor to it's home position ( 0, 0 )
|
|
*/
|
|
void tdispHome(void);
|
|
|
|
/**
|
|
* @brief Set cursor to a specified position
|
|
*
|
|
* @param[in] col The column (x)
|
|
* @param[in] row The row (y)
|
|
*/
|
|
void tdispSetCursor(coord_t col, coord_t row);
|
|
|
|
/**
|
|
* @brief Store a custom character into the display
|
|
*
|
|
* @note This usually must be done after each power-up since most
|
|
* LCDs lose their RAM content.
|
|
*
|
|
* @param[in] address On which address to store the character from 0 up to (@p tdispGetNumCustomChars() - 1)
|
|
* @param[in] charmap The character to be stored.
|
|
*
|
|
* @note The charmap is made up of @p tdispGetCharBitHieght() data values. Each data value is
|
|
* made up of @p tdispGetCharBitWidth() bits of data. Note that bits in multiple rows are not
|
|
* packed.
|
|
*/
|
|
void tdispCreateChar(uint8_t address, uint8_t *charmap);
|
|
|
|
/**
|
|
* @brief Draws a single character at the current cursor position and advances the cursor
|
|
*
|
|
* @param[in] c The character to be drawn
|
|
*
|
|
* @note Writing past the end of a row leaves the cursor in an undefined position.
|
|
*/
|
|
void tdispDrawChar(char c);
|
|
|
|
/**
|
|
* @brief Draws a string at the current cursor position and advances the cursor
|
|
*
|
|
* @param[in] s The string to be drawn
|
|
*
|
|
* @note Any characters written past the end of a row may or may not be displayed on
|
|
* the next row. The cursor is also left in an undefined position.
|
|
*/
|
|
void tdispDrawString(char *s);
|
|
|
|
/**
|
|
* @brief Control different display properties
|
|
* @note A wrapper macro exists for each option, please use them
|
|
* instead of this function manually unless calling a low
|
|
* level driver specific value.
|
|
*
|
|
* @param[in] what What you want to control
|
|
* @param[in] value The value to be assigned
|
|
*/
|
|
void tdispControl(uint16_t what, void *value);
|
|
|
|
/**
|
|
* @brief Set the backlight level
|
|
*
|
|
* @param[in] percent A percentage from 0 to 100%. 0% will turn off the display
|
|
*/
|
|
#define tdispSetBacklight(percent) tdispControl(TDISP_CTRL_BACKLIGHT, (void *)((uint8_t)(percent)))
|
|
|
|
/**
|
|
* @brief Set the cursor shape
|
|
*
|
|
* @param[in] shape The shape to set the cursor.
|
|
*
|
|
* @note Not all shapes are necessarily supported. The driver will make a similar
|
|
* choice if the one specified is not available.
|
|
*/
|
|
#define tdispSetCursorShape(shape) tdispControl(TDISP_CTRL_CURSOR, (void *)((cursorshape)(shape)))
|
|
|
|
/**
|
|
* @brief Get the number of columns (width) in the display
|
|
*/
|
|
#define tdispGetColumns() (TDISP.columns)
|
|
|
|
/**
|
|
* @brief Get the number of rows (height) in the display
|
|
*/
|
|
#define tdispGetRows() (TDISP.columns)
|
|
|
|
/**
|
|
* @brief Get the number of bits in width of a character
|
|
*/
|
|
#define tdispGetCharBitWidth() (TDISP.charBitsX)
|
|
|
|
/**
|
|
* @brief Get the number of bits in height of a character
|
|
*/
|
|
#define tdispGetCharBitHeight() (TDISP.charBitsY)
|
|
|
|
/**
|
|
* @brief Get the number of custom characters
|
|
*/
|
|
#define tdispGetNumCustomChars() (TDISP.maxCustomChars)
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* GFX_USE_TDISP */
|
|
|
|
#endif /* _TDISP_H */
|
|
/** @} */
|
|
|