retargettft.c File Reference

Detailed Description

Provide stdio retargeting to TFT address mapped mode.

Version

5.1.1

License

Copyright 2015 Silicon Labs, Inc. http://www.silabs.com

This file is licensed under the Silabs License Agreement. See the file "Silabs_License_Agreement.txt" for details. Before using this software for any purpose, you must agree to the terms of that agreement.

Definition in file retargettft.c.

#include <stdio.h>
#include <stdint.h>
#include "em_device.h"
#include "em_cmu.h"
#include "em_ebi.h"
#include "em_gpio.h"
#include "dmd/ssd2119/dmd_ssd2119.h"
#include "bsp.h"
#include "retargettft.h"
#include "displayfont8x8.h"

Go to the source code of this file.

Macros
#define	CHARS   40
#define	fontBits   chars_8x8_bits
#define	LINES   30

Functions
int	RETARGET_ReadChar (void)
	Receive a byte No input method from TFT is possible, thus we always return -1. More...
void	RETARGET_TftCrLf (int on)
	Toggle LF to CRLF conversion. More...
void	RETARGET_TftInit (void)
	Intializes TFT text display.
void	RETARGET_TFTTX (int c)
	Transmit/display a character. More...
void	RETARGET_TFTUpdate (bool fullFrame)
	Display framebuffer. More...
int	RETARGET_WriteChar (char c)
	Transmit single byte to the TFT. More...
static void	tftTextReset (void)
	Reset TFT text display state.
static void	tftTextScrollUp (void)
	Scroll one line of characters up on the screen.

Variables
static bool	bufferReset = true
static uint8_t	charBuffer [LINES][CHARS]
static bool	fullUpdate = true
static bool	initialized = false
static bool	LFtoCRLF = 0
static uint8_t	rgbColor [3]
static bool	tftReset = true
static int	xpos
static int	ypos

Macro Definition Documentation

#define CHARS   40

Characters

Definition at line 30 of file retargettft.c.

Referenced by RETARGET_TFTTX(), RETARGET_TFTUpdate(), tftTextReset(), and tftTextScrollUp().

#define fontBits   chars_8x8_bits

Define font

Definition at line 28 of file retargettft.c.

Referenced by RETARGET_TFTUpdate().

#define LINES   30

Lines

Definition at line 31 of file retargettft.c.

Referenced by RETARGET_TFTTX(), RETARGET_TFTUpdate(), tftTextReset(), and tftTextScrollUp().

Variable Documentation

bool bufferReset = true

static

Reset buffer

Definition at line 40 of file retargettft.c.

Referenced by RETARGET_WriteChar(), and tftTextReset().

uint8_t charBuffer[LINES][CHARS]

static

Character buffer

Definition at line 33 of file retargettft.c.

Referenced by RETARGET_TFTTX(), RETARGET_TFTUpdate(), tftTextReset(), and tftTextScrollUp().

bool fullUpdate = true

static

Display updated

Definition at line 39 of file retargettft.c.

Referenced by RETARGET_WriteChar(), and tftTextScrollUp().

bool initialized = false

static

Intialize TFT stdio retarget

Definition at line 43 of file retargettft.c.

Referenced by RETARGET_WriteChar(), and tftTextReset().

bool LFtoCRLF = 0

static

LF to CRLF conversion disabled

Definition at line 42 of file retargettft.c.

Referenced by RETARGET_TftCrLf(), and RETARGET_WriteChar().

uint8_t rgbColor[3]

static

Color for font

Definition at line 34 of file retargettft.c.

Referenced by RETARGET_TFTTX(), RETARGET_TFTUpdate(), and tftTextReset().

bool tftReset = true

static

Reset TFT

Definition at line 41 of file retargettft.c.

Referenced by RETARGET_WriteChar(), and tftTextReset().

int xpos

static

Cursor position

Definition at line 37 of file retargettft.c.

Referenced by RETARGET_TFTTX(), RETARGET_TFTUpdate(), tftTextReset(), and tftTextScrollUp().

int ypos

static

Cursor position

Definition at line 37 of file retargettft.c.

Referenced by RETARGET_TFTTX(), RETARGET_TFTUpdate(), tftTextReset(), and tftTextScrollUp().