uGFX
/
ugfx
2
0
Fork 0
Code Issues 2 Pull Requests Projects Releases Wiki Activity

Merge pull request #2 from Tectu/master 

merge Tectu Changes
ugfx_release_2.6
Andrew Hannam 2012-08-09 00:11:23 -07:00
parent f326f5786f 36a95ec8a6
commit fb070f8d2c
20 changed files with 937 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
Doxyfile 100644
View File

@ -0,0 +1,23 @@
DOXYFILE_ENCODING = UTF-8
PROJECT_NAME = "ChibiOS-LCD-Driver"
PROJECT_NUMBER = 0.0.1
PROJECT_BRIEF = "Library for interfacing GLCDs with Touchpad to ChibiOS"
OUTPUT_LANGUAGE = English
TAB_SIZE = 2
OPTIMIZE_OUTPUT_FOR_C = YES
INPUT =
RECURSIVE = YES
GENERATE_LATEX = NO
GENERATE_HTML = YES
HTML_OUTPUT = html
HTML_FILE_EXTENSION = .html
HTML_DYNAMIC_SECTIONS = YES
GENERATE_TREEVIEW = YES
DISABLE_INDEX = YES
TREEVIEW_WIDTH = 300
SEARCHENGINE = YES
CLASS_DIAGRAMS = YES
HIDE_UNDOC_RELATIONS = YES
HAVE_DOT = YES
GRAPHICAL_HIERARCHY = YES

4
halext/drivers/gdispNokia6610/gdisp_lld.mk
View File

@ -1,5 +1,5 @@
# List the required driver.
HALSRC += ${CHIBIOS}/os/halext/drivers/gdispNokia6610/gdisp_lld.c
HALSRC += $(LCDLIB)/halext/drivers/gdispNokia6610/gdisp_lld.c
# Required include directories
HALINC += ${CHIBIOS}/os/halext/drivers/gdispNokia6610
HALINC += $(LCDLIB)/halext/drivers/gdispNokia6610

4
halext/drivers/gdispS6d1121/gdisp_lld.mk
View File

@ -1,5 +1,5 @@
# List the required driver.
HALSRC += ${CHIBIOS}/os/halext/drivers/gdispS6d1121/gdisp_lld.c
HALSRC += $(LCDLIB)/halext/drivers/gdispS6d1121/gdisp_lld.c
# Required include directories
HALINC += ${CHIBIOS}/os/halext/drivers/gdispS6d1121
HALINC += $(LCDLIB)/halext/drivers/gdispS6d1121

4
halext/drivers/gdispSsd1289/gdisp_lld.mk
View File

@ -1,5 +1,5 @@
# List the required driver.
HALSRC += ${CHIBIOS}/os/halext/drivers/gdispSsd1289/gdisp_lld.c
HALSRC += $(LCDLIB)/halext/drivers/gdispSsd1289/gdisp_lld.c
# Required include directories
HALINC += ${CHIBIOS}/os/halext/drivers/gdispSsd1289
HALINC += $(LCDLIB)/halext/drivers/gdispSsd1289

4
halext/drivers/gdispTestStub/gdisp_lld.mk
View File

@ -1,5 +1,5 @@
# List the required driver.
HALSRC += ${CHIBIOS}/os/halext/drivers/gdispTestStub/gdisp_lld.c
HALSRC += $(LCDLIB)/halext/drivers/gdispTestStub/gdisp_lld.c
# Required include directories
HALINC += ${CHIBIOS}/os/halext/drivers/gdispTestStub
HALINC += $(LCDLIB)/halext/drivers/gdispTestStub

9
halext/drivers/touchpad/touchpadADS7843/readme.txt 100644
View File

@ -0,0 +1,9 @@
To use this driver:
1. Add in your halconf.h:
a) #define HAL_USE_TOUCHPAD TRUE
2. To your makefile add the following lines:
include $(LCDLIB)/lcd.mk
include $(LCDLIB)/halext/drivers/touchpad/touchpadADS7843/touchpad_lld.mk

152
halext/drivers/touchpad/touchpadADS7843/touchpad_lld.c 100644
View File

@ -0,0 +1,152 @@
/*
ChibiOS-LCD-Driver - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS-LCD-Driver.
ChibiOS-LCD-Driver is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS-LCD-Driver is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file touchpadADS7843/touchpad_lld.c
* @brief Touchpad Driver subsystem low level driver source.
*
* @addtogroup TOUCHPAD
* @{
*/
#include "ch.h"
#include "hal.h"
#include "touchpad.h"
#if HAL_USE_TOUCHPAD || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
#define TP_CS_HIGH palSetPad(TP_CS_PORT, TP_CS)
#define TP_CS_LOW palClearPad(TP_CS_PORT, TP_CS)
#ifdef UNUSED
#elif defined(__GNUC__)
# define UNUSED(x) UNUSED_ ## x __attribute__((unused))
#elif defined(__LCLINT__)
# define UNUSED(x) /*@unused@*/ x
#else
# define UNUSED(x) x
#endif
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
#if !defined(__DOXYGEN__)
TOUCHPADDriver Touchpad;
#endif
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
static const SPIConfig spicfg = {
NULL,
TP_CS_PORT,
TP_CS,
SPI_CR1_BR_2 | SPI_CR1_BR_1 | SPI_CR1_BR_0,
};
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/* ---- Required Routines ---- */
/**
* @brief Low level Touchpad driver initialization.
*
* @notapi
*/
void tp_lld_init(TOUCHPADDriver *tp) {
spiStart(tp->spid, &spicfg);
}
/**
* @brief Reads out the X direction.
*
* @notapi
*/
uint16_t tp_lld_read_x(void) {
uint8_t txbuf[1];
uint8_t rxbuf[2];
uint16_t y;
txbuf[0] = 0xd0;
TP_CS_LOW;
spiSend(&SPID1, 1, txbuf);
spiReceive(&SPID1, 2, rxbuf);
TP_CS_HIGH;
y = rxbuf[0] << 4;
y |= rxbuf[1] >> 4;
return y;
}
/*
* @brief Reads out the X direction.
*
* @notapi
*/
uint16_t tp_lld_read_y(void) {
uint8_t txbuf[1];
uint8_t rxbuf[2];
uint16_t y;
txbuf[0] = 0x90;
TP_CS_LOW;
spiSend(&SPID1, 1, txbuf);
spiReceive(&SPID1, 2, rxbuf);
TP_CS_HIGH;
y = rxbuf[0] << 4;
y |= rxbuf[1] >> 4;
return y;
}
/* ---- Optional Routines ---- */
#if TOUCHPAD_HAS_IRQ || defined(__DOXYGEN__)
/*
* @brief for checking if touchpad is pressed or not.
*
* @return 1 if pressed / 0 if not pressed
*
* @noapi
*/
uint8_t tp_lld_irq(void) {
return (!palReadPad(TP_IRQ_PORT, TP_IRQ));
}
#endif
#endif /* HAL_USE_TOUCHPAD */
/** @} */

6
halext/drivers/touchpad/touchpadADS7843/touchpad_lld.mk 100644
View File

@ -0,0 +1,6 @@
# List the required driver.
HALSRC += $(LCDLIB)/halext/drivers/touchpad/touchpadADS7843/touchpad_lld.c
# Required include directories
HALINC += $(LCDLIB)/halext/drivers/touchpad/touchpadADS7843

44
halext/drivers/touchpad/touchpadADS7843/touchpad_lld_config.h 100644
View File

@ -0,0 +1,44 @@
/*
ChibiOS-LCD-Driver - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS-LCD-Driver.
ChibiOS-LCD-Driver is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS-LCD-Driver is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file touchpadADS7843/touchpad_lld_config.h
* @brief Touchpad Driver subsystem low level driver.
*
* @addtogroup TOUCHPAD
* @{
*/
#ifndef _TOUCHPAD_LLD_CONFIG_H
#define _TOUCHPAD_LLD_CONFIG_H
#if HAL_USE_TOUCHPAD || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver hardware support. */
/*===========================================================================*/
#define TOUCHPAD_HAS_IRQ TRUE
#define TOUCHPAD_HAS_PRESSURE FALSE
#endif /* HAL_USE_TOUCHPAD */
#endif /* _TOUCHPAD_LLD_CONFIG_H */
/** @} */

9
halext/drivers/touchpad/touchpadXPT2046/readme.txt 100644
View File

@ -0,0 +1,9 @@
To use this driver:
1. Add in your halconf.h:
a) #define HAL_USE_TOUCHPAD TRUE
2. To your makefile add the following lines:
include $(LCDLIB)/lcd.mk
include $(LCDLIB)/halext/drivers/touchpad/touchpadXPT2046/touchpad_lld.mk

164
halext/drivers/touchpad/touchpadXPT2046/touchpad_lld.c 100644
View File

@ -0,0 +1,164 @@
/*
ChibiOS-LCD-Driver - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS-LCD-Driver.
ChibiOS-LCD-Driver is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS-LCD-Driver is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file touchpadXPT2046/touchpad_lld.c
* @brief Touchpad Driver subsystem low level driver source.
*
* @addtogroup TOUCHPAD
* @{
*/
#include "ch.h"
#include "hal.h"
#include "touchpad.h"
#if HAL_USE_TOUCHPAD || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
#define TP_CS_HIGH palSetPad(TP_CS_PORT, TP_CS)
#define TP_CS_LOW palClearPad(TP_CS_PORT, TP_CS)
#ifdef UNUSED
#elif defined(__GNUC__)
# define UNUSED(x) UNUSED_ ## x __attribute__((unused))
#elif defined(__LCLINT__)
# define UNUSED(x) /*@unused@*/ x
#else
# define UNUSED(x) x
#endif
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
#if !defined(__DOXYGEN__)
TOUCHPADDriver Touchpad;
#endif
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
static const SPIConfig spicfg = {
NULL,
TP_CS_PORT,
TP_CS,
SPI_CR1_BR_2 | SPI_CR1_BR_1 | SPI_CR1_BR_0,
};
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver interrupt handlers. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/* ---- Required Routines ---- */
/**
* @brief Low level Touchpad driver initialization.
*
* @notapi
*/
void tp_lld_init(TOUCHPADDriver *tp) {
spiStart(tp->spid, &spicfg);
}
/**
* @brief Reads out the X direction.
*
* @notapi
*/
uint16_t tp_lld_read_x(void) {
uint8_t txbuf[1];
uint8_t rxbuf[2];
uint16_t y;
txbuf[0] = 0xd0;
TP_CS_LOW;
spiSend(&SPID1, 1, txbuf);
spiReceive(&SPID1, 2, rxbuf);
TP_CS_HIGH;
y = rxbuf[0] << 4;
y |= rxbuf[1] >> 4;
return y;
}
/*
* @brief Reads out the X direction.
*
* @notapi
*/
uint16_t tp_lld_read_y(void) {
uint8_t txbuf[1];
uint8_t rxbuf[2];
uint16_t y;
txbuf[0] = 0x90;
TP_CS_LOW;
spiSend(&SPID1, 1, txbuf);
spiReceive(&SPID1, 2, rxbuf);
TP_CS_HIGH;
y = rxbuf[0] << 4;
y |= rxbuf[1] >> 4;
return y;
}
/* ---- Optional Routines ---- */
#if TOUCHPAD_HAS_IRQ || defined(__DOXYGEN__)
/*
* @brief for checking if touchpad is pressed or not.
*
* @return 1 if pressed / 0 if not pressed
*
* @noapi
*/
uint8_t tp_lld_irq(void) {
return (!palReadPad(TP_IRQ_PORT, TP_IRQ));
}
#endif
#if TOUCHPAD_HAS_PRESSURE || defined(__DOXYGEN__)
/*
* @brief Reads out the Z direction / pressure.
*
* @notapi
*/
uint16_t tp_lld_read_z(void) {
/* ToDo */
return 42;
}
#endif
#endif /* HAL_USE_TOUCHPAD */
/** @} */

6
halext/drivers/touchpad/touchpadXPT2046/touchpad_lld.mk 100644
View File

@ -0,0 +1,6 @@
# List the required driver.
HALSRC += $(LCDLIB)/halext/drivers/touchpad/touchpadXPT2046/touchpad_lld.c
# Required include directories
HALINC += $(LCDLIB)/halext/drivers/touchpad/touchpadXPT2046

44
halext/drivers/touchpad/touchpadXPT2046/touchpad_lld_config.h 100644
View File

@ -0,0 +1,44 @@
/*
ChibiOS-LCD-Driver - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS-LCD-Driver.
ChibiOS-LCD-Driver is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS-LCD-Driver is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file touchpadXPT2046/touchpad_lld_config.h
* @brief Touchppad Driver subsystem low level driver.
*
* @addtogroup TOUCHPAD
* @{
*/
#ifndef _TOUCHPAD_LLD_CONFIG_H
#define _TOUCHPAD_LLD_CONFIG_H
#if HAL_USE_TOUCHPAD || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver hardware support. */
/*===========================================================================*/
#define TOUCHPAD_HAS_IRQ TRUE
#define TOUCHPAD_HAS_PRESSURE TRUE
#endif /* HAL_USE_TOUCHPAD */
#endif /* _TOUCHPAD_LLD_CONFIG_H */
/** @} */

9
halext/halext.mk
View File

@ -1,9 +1,10 @@
# List of all the ChibiOS/RT META files, there is no need to remove the files
# from this list, you can disable parts of the kernel by editing halconf.h.
HALSRC += ${CHIBIOS}/os/halext/src/gdisp.c \
${CHIBIOS}/os/halext/src/gdisp_fonts.c \
${CHIBIOS}/os/halext/src/gdisp_emulation.c
HALSRC += $(LCDLIB)/halext/src/gdisp.c \
$(LCDLIB)/halext/src/gdisp_fonts.c \
$(LCDLIB)/halext/src/gdisp_emulation.c \
$(LCDLIB)/halext/src/touchpad.c
# Required include directories
HALINC += ${CHIBIOS}/os/halext/include
HALINC += $(LCDLIB)/halext/include

2
halext/include/gdisp_lld.h
View File

@ -296,6 +296,8 @@
#define RED_OF(c) (((c) & 0xF800)>>8)
#define GREEN_OF(c) (((c)&0x007E)>>3)
#define BLUE_OF(c) (((c)&0x001F)<<3)
#define RGB565CONVERT(red, green, blue) (uint16_t)( (( red >> 3 ) << 11 ) | (( green >> 2 ) << 5 ) | ( blue >> 3 ))
#elif defined(GDISP_PIXELFORMAT_RGB888)
typedef uint32_t color_t;

93
halext/include/touchpad.h 100644
View File

@ -0,0 +1,93 @@
/*
ChibiOS-LCD-Driver/RT - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS-LCD-Driver.
ChibiOS-LCD-Driver is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS-LCD-Driver is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file touchpad.h
* @brief TOUCHPAD Touchpad Driver subsystem header file.
*
* @addgroup TOUCHPAD
* @{
*/
#ifndef _TOUCHPAD_H
#define _TOUCHPAD_H
#if HAL_USE_TOUCHPAD || defined(__DOXYGEN__)
/**
* @brief specifies how many conversions are made for a readout.
*
* @note higher is more accurate, but takes more time
*/
#define CONVERSIONS 3
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Low Level Driver details and error checks. */
/*===========================================================================*/
/* Include the low level driver information */
#include "touchpad_lld.h"
/*===========================================================================*/
/* Type definitions */
/*===========================================================================*/
/**
* @brief Struct used for calibration
*/
struct cal {
float xm;
float ym;
float xn;
float yn;
};
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void tpInit(TOUCHPADDriver *tp);
uint16_t tpReadX(void);
uint16_t tpReadY(void);
#if TOUCHPAD_HAS_IRQ
uint8_t tpIRQ(void);
#endif
#if TOUCHPAD_HAS_PRESSURE
uint16_t tpReadZ(void);
#endif
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_TOUCHPAD */
#endif /* _TOUCHPAD_H */
/** @} */

102
halext/include/touchpad_lld.h 100644
View File

@ -0,0 +1,102 @@
/*
ChibiOS-LCD-Driver/RT - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS-LCD-Driver.
ChibiOS-LCD-Driver is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS-LCD-Driver is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file touchpad_lld.h
* @brief TOUCHPAD Driver subsystem low level driver header.
*
* @addgroup TOUCHPAD
* @{
*/
#ifndef _TOUCHPAD_LLD_H
#define _TOUCHPAD_LLD_H
#if HAL_USE_TOUCHPAD || defined(__DOXYGEN__)
/*===========================================================================*/
/* Include the low level driver configuration information */
/*===========================================================================*/
#include "touchpad_lld_config.h"
/*===========================================================================*/
/* Error checks. */
/*===========================================================================*/
#ifndef TOUCHPAD_HAS_IRQ
#define TOUCHPAD_HAS_IRQ FALSE
#endif
#ifndef TOUCHPAD_HAS_PRESSURE
#define TOUCHPAD_HAS_PRESSURE FALSE
#endif
/*===========================================================================*/
/* Driver types. */
/*===========================================================================*/
typedef struct TOUCHPADDriver TOUCHPADDriver;
/**
* @brief Structure representing a Touchpad driver.
*/
struct TOUCHPADDriver {
/*
* @brief Pointer to SPI driver.
* @note SPI driver must be enabled in mcu- and halconf.h
*/
SPIDriver *spid;
};
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#if !defined(__DOXYGEN__)
extern TOUCHPADDriver Touchpad;
#endif
#ifdef __cplusplus
extern "C" {
#endif
/* Core functions */
void tp_lld_init(TOUCHPADDriver *tp);
uint16_t tp_lld_read_x(void);
uint16_t tp_lld_read_y(void);
#if TOUCHPAD_HAS_IRQ
uint8_t tp_lld_irq(void);
#endif
#if TOUCHPAD_HAS_PRESSURE
uint16_t tp_lld_read_z(void);
#endif
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_TOUCHPAD */
#endif /* _TOUCHPAD_LLD_H */
/** @} */

8
halext/readme.txt
View File

@ -6,14 +6,14 @@ To include any of these functions/drivers in your project...
include $(LCDLIB)/lcd.mk
3/ In your project Makefile add the makefiles for any specific drivers you want e.g
include $(LCDLIB)/halext/drivers/gdispNokia6610/gdisp_lld.mk
include $(LCDLIB)/halext/drivers/touchpad/touchpadXPT2046/touchpad_lld.mk
4/ In your project halconf.h turn on the support you want eg.
/**
* @brief Enables the GDISP subsystem.
* @brief Enables the Touchpad subsystem.
*/
#if !defined(HAL_USE_GDISP) || defined(__DOXYGEN__)
#define HAL_USE_GDISP TRUE
#if !defined(HAL_USE_TOUCHPAD) || defined(__DOXYGEN__)
#define HAL_USE_TOUCHPAD TRUE
#endif
5/ Do a make clean.

261
halext/src/touchpad.c 100644
View File

@ -0,0 +1,261 @@
/*
ChibiOS-LCD-Driver - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS-LCD-Driver.
ChibiOS-LCD-Driver is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS-LCD-Driver is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file touchpad.c
* @brief Touchpad Driver code.
*
* @addgroup TOUCHPAD
* @{
*/
#include "ch.h"
#include "hal.h"
#include "gdisp.h"
#include "touchpad.h"
#if HAL_USE_TOUCHPAD || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver local definitions. */
/*===========================================================================*/
#ifdef UNUSED
#elif defined(__GNUC__)
# define UNUSED(x) UNUSED_ ## x __attribute__((unused))
#elif defined(__LCLINT__)
# define UNUSED(x) /*@unused@*/ x
#else
# define UNUSED(x) x
#endif
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
volatile static struct cal cal = {
1, 1, 0, 0
};
/*===========================================================================*/
/* Driver local functions. */
/*===========================================================================*/
/**
* @brief returns the uncalibrated readout of the X direction from the controller
*
* @noapi
*/
static uint16_t _tpReadRealX(void) {
uint32_t results = 0;
uint16_t i, x;
for(i = 0; i < CONVERSIONS; i++) {
tp_lld_read_x(); /* dummy, reduce noise on SPI */
results += tp_lld_read_x();
}
// 12-bit
x = (((SCREEN_WIDTH-1) * (results/CONVERSIONS)) / 2048);
return x;
}
/**
* @brief return the uncalibrated readout of the Y-direction from the controller
*
* @noapi
*/
static uint16_t _tpReadRealY(void) {
uint32_t results = 0;
uint16_t i, y;
for(i = 0; i < CONVERSIONS; i++) {
tp_lld_read_y(); /* dummy, reduce noise on SPI */
results += tp_lld_read_y();
}
// 12-bit
y = (((SCREEN_HEIGHT-1) * (results/CONVERSIONS)) / 2048);
return y;
}
/**
* @brief draws a cross. Used for calibration.
*
* @noapi
*/
static void _tpDrawCross(uint16_t x, uint16_t y) {
gdispDrawLine(x-15, y, x-2, y, 0xffff);
gdispDrawLine(x+2, y, x+15, y, 0xffff);
gdispDrawLine(x, y-15, x, y-2, 0xffff);
gdispDrawLine(x, y+2, x, y+15, 0xffff);
gdispDrawLine(x-15, y+15, x-7, y+15, RGB565CONVERT(184,158,131));
gdispDrawLine(x-15, y+7, x-15, y+15, RGB565CONVERT(184,158,131));
gdispDrawLine(x-15, y-15, x-7, y-15, RGB565CONVERT(184,158,131));
gdispDrawLine(x-15, y-7, x-15, y-15, RGB565CONVERT(184,158,131));
gdispDrawLine(x+7, y+15, x+15, y+15, RGB565CONVERT(184,158,131));
gdispDrawLine(x+15, y+7, x+15, y+15, RGB565CONVERT(184,158,131));
gdispDrawLine(x+7, y-15, x+15, y-15, RGB565CONVERT(184,158,131));
gdispDrawLine(x+15, y-15, x+15, y-7, RGB565CONVERT(184,158,131));
}
/*===========================================================================*/
/* Driver exported functions. */
/*===========================================================================*/
/**
* @brief Touchpad Driver initialization.
* @note This function is NOT currently implicitly invoked by @p halInit().
* It must be called manually.
*
* @api
*/
void tpInit(TOUCHPADDriver *tp) {
/* Initialise Mutex */
//MUTEX_INIT
/* Initialise driver */
//MUTEX_ENTER
tp_lld_init(tp);
//MUTEX_EXIT
}
/**
* @brief Get the X-Coordinate, relative to screen zero point.
*
* @return The X position in pixels.
*
* @api
*/
uint16_t tpReadX(void) {
uint16_t x, y;
x = cal.xm * _tpReadRealX() + cal.xn;
y = cal.ym * _tpReadRealY() + cal.yn;
/*
switch(gdispGetOrientation()) { // implement gdispGetOrientation()
case portrait:
return x;
case landscape:
return SCREEN_HEIGHT - y;
case portraitInv:
return SCREEN_WIDTH - x;
case landscapeInv:
return y;
}
*/
return x;
}
/**
* @brief Get the X-Coordinate, relative to screen zero point.
*
* @return The Y position in pixels.
*
* @api
*/
uint16_t tpReadY(void) {
uint16_t x, y;
x = cal.xm * _tpReadRealX() + cal.xn;
y = cal.ym * _tpReadRealY() + cal.yn;
/*
switch(gdispGetOrientation()) { // implement gdispGetOrientation()
case portrait:
return y;
case landscape:
return x;
case portraitInv:
return SCREEN_HEIGHT - y;
case landscapeInv:
return SCREEN_WIDTH - x;
}
*/
return y;
}
void tpCalibrate(void) {
uint16_t cross[2][2] = {{40,50}, {200, 280}};
uint16_t points[2][2];
uint8_t i;
//gdispSetOrientation(portrait);
gdispClear(Red);
gdispDrawString(40, 10, "Calibration", &fontUI1Double, White);
for(i = 0; i < 2; i++) {
_tpDrawCross(cross[i][0], cross[i][1]);
while(!tpIRQ());
points[i][0] = _tpReadRealX();
points[i][1] = _tpReadRealY();
chThdSleepMilliseconds(100);
while(tpIRQ());
gdispFillArea(cross[i][0]-15, cross[i][1]-15, 42, 42, Red);
}
cal.xm = ((float)cross[1][0] - (float)cross[0][0]) / ((float)points[1][0] - (float)points[0][0]);
cal.ym = ((float)cross[1][1] - (float)cross[0][1]) / ((float)points[1][1] - (float)points[0][1]);
cal.xn = (float)cross[0][0] - cal.xm * (float)points[0][0];
cal.yn = (float)cross[0][1] - cal.ym * (float)points[0][1];
}
#if TOUCHPAD_HAS_IRQ || defined(__DOXYGEN__)
/**
* @brief returns if touchpad is pressed or not
*
* @return 1 if pressed, 0 otherwise
*
* @api
*/
uint8_t tpIRQ(void) {
return tp_lld_irq();
}
#endif
#if TOUCHPAD_HAS_PRESSURE || defined(__DOXYGEN__)
/**
* @brief Get the pressure.
*
* @return The pressure.
*
* @api
*/
uint16_t tpReadZ(void) {
/* ToDo */
return (tp_lld_read_z());
}
#endif
#endif /* HAL_USE_TOUCHPAD */
/** @} */

5
readme
View File

@ -1,3 +1,8 @@
## Doxygen
run doxygen in the toplevel directory to generate the doxygen documentation in html
## Wiki
please read the wiki pages to this project carefully, before you ask any questions: