merged from touchpad
This commit is contained in:
Tectu
commit
6780a59439
9 changed files with 630 additions and 5 deletions
126
halext/drivers/touchpad/touchpadXPT2046/touchpad_lld.c
Normal file
126
halext/drivers/touchpad/touchpadXPT2046/touchpad_lld.c
Normal file
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@ -0,0 +1,126 @@
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||||||
|
/*
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||||||
|
ChibiOS/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/>.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
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||||||
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* @file touchpadXPT2046/touchpad_lld.c
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* @brief Touchpad Driver subsystem low level driver source.
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|
*
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* @addtogroup TOUCHPAD
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* @{
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||||||
|
*/
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|
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||||||
|
#include "ch.h"
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|
#include "hal.h"
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#include "touchpad.h"
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||||||
|
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||||||
|
#if HAL_USE_TOUCHPAD || defined(__DOXYGEN__)
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||||||
|
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||||||
|
/*===========================================================================*/
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||||||
|
/* Driver local definitions. */
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||||||
|
/*===========================================================================*/
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||||||
|
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||||||
|
#ifdef UNUSED
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||||||
|
#elif defined(__GNUC__)
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||||||
|
# define UNUSED(x) UNUSED_ ## x __attribute__((unused))
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|
#elif defined(__LCLINT__)
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|
# define UNUSED(x) /*@unused@*/ x
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||||||
|
#else
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||||||
|
# define UNUSED(x) x
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||||||
|
#endif
|
||||||
|
|
||||||
|
/*===========================================================================*/
|
||||||
|
/* Driver exported variables. */
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||||||
|
/*===========================================================================*/
|
||||||
|
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||||||
|
#if !defined(__DOXYGEN__)
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|
TOUCHPADDriver Touchpad;
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||||||
|
#endif
|
||||||
|
|
||||||
|
/*===========================================================================*/
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||||||
|
/* Driver local variables. */
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||||||
|
/*===========================================================================*/
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||||||
|
static const SPIConfig spicfg = {
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|
NULL,
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|
TP_CS_PORT,
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|
TP_CS,
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|
SPI_CR1_BR_2 | SPI_CR1_BR_1 | SPI_CR1_BR_0,
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|
};
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||||||
|
|
||||||
|
/*===========================================================================*/
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||||||
|
/* Driver local functions. */
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||||||
|
/*===========================================================================*/
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|
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||||||
|
#include "xpt2046_lld.c.h"
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|
|
||||||
|
/*===========================================================================*/
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||||||
|
/* Driver interrupt handlers. */
|
||||||
|
/*===========================================================================*/
|
||||||
|
|
||||||
|
/*===========================================================================*/
|
||||||
|
/* Driver exported functions. */
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||||||
|
/*===========================================================================*/
|
||||||
|
|
||||||
|
/* ---- Required Routines ---- */
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||||||
|
|
||||||
|
/**
|
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|
* @brief Low level Touchpad driver initialization.
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||||||
|
*
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||||||
|
* @notapi
|
||||||
|
*/
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|
void tp_lld_init(TOUCHPADDriver *tp) {
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|
spiStart(tp->spid, &spicfg);
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|
}
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|
|
||||||
|
/**
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|
* @brief Reads out the X direction.
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|
*
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||||||
|
* @notapi
|
||||||
|
*/
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|
uint16_t tp_lld_read_x(void) {
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|
/* ToDo */
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|
return 42;
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|
}
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|
|
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|
/*
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|
* @brief Reads out the X direction.
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|
*
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||||||
|
* @notapi
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||||||
|
*/
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|
uint16_t tp_lld_read_y(void) {
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|
/* ToDo */
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return 42;
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|
}
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||||||
|
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||||||
|
/* ---- Optional Routines ---- */
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|
#if TOUCHPAD_PRESSURE || defined(__DOXYGEN__)
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|
/*
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* @brief Reads out the Z direction / pressure.
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|
*
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||||||
|
* @notapi
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||||||
|
*/
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|
uint16_t tp_lld_read_z(void) {
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|
/* ToDo */
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|
return 42;
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||||||
|
}
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|
#endif
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||||||
|
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|
#endif /* HAL_USE_TOUCHPAD */
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|
/** @} */
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||||||
|
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||||||
6
halext/drivers/touchpad/touchpadXPT2046/touchpad_lld.mk
Normal file
6
halext/drivers/touchpad/touchpadXPT2046/touchpad_lld.mk
Normal file
|
|
@ -0,0 +1,6 @@
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|
# List the required driver.
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|
HALSRC += $(LCDLIB)/halext/drivers/touchpad/touchpadXPT2046/touchpad_lld.c
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|
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# Required include directories
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|
HALINC += $(LCDLIB)/halext/drivers/touchpad/touchpadXPT2046
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|
|
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|
|
@ -0,0 +1,43 @@
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||||||
|
/*
|
||||||
|
ChibiOS/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/>.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/**
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||||||
|
* @file touchpadXPT2046/touchpad_lld_config.h
|
||||||
|
* @brief Touchppad Driver subsystem low level driver.
|
||||||
|
*
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||||||
|
* @addtogroup TOUCHPAD
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||||||
|
* @{
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef _TOUCHPAD_LLD_CONFIG_H
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||||||
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#define _TOUCHPAD_LLD_CONFIG_H
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||||||
|
|
||||||
|
#if HAL_USE_TOUCHPAD || defined(__DOXYGEN__)
|
||||||
|
|
||||||
|
/*===========================================================================*/
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||||||
|
/* Driver hardware support. */
|
||||||
|
/*===========================================================================*/
|
||||||
|
|
||||||
|
#define TOUCHPAD_PRESSURE TRUE
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||||||
|
|
||||||
|
#endif /* HAL_USE_TOUCHPAD */
|
||||||
|
|
||||||
|
#endif /* _TOUCHPAD_LLD_CONFIG_H */
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||||||
|
/** @} */
|
||||||
72
halext/drivers/touchpad/touchpadXPT2046/xpt2046_lld.c.h
Normal file
72
halext/drivers/touchpad/touchpadXPT2046/xpt2046_lld.c.h
Normal file
|
|
@ -0,0 +1,72 @@
|
||||||
|
/*
|
||||||
|
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/>.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef _XPT2046_H
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||||||
|
#define _XPT2046_H
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||||||
|
|
||||||
|
#include "ch.h"
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||||||
|
#include "hal.h"
|
||||||
|
|
||||||
|
#define TP_CS_HIGH palSetPad(TP_CS_PORT, TP_CS)
|
||||||
|
#define TP_CS_LOW palClearPad(TP_CS_PORT, TP_CS)
|
||||||
|
|
||||||
|
__inline uint16_t lld_tpReadX(void) {
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||||||
|
uint8_t txbuf[1];
|
||||||
|
uint8_t rxbuf[2];
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||||||
|
uint16_t x;
|
||||||
|
|
||||||
|
txbuf[0] = 0xd0;
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||||||
|
TP_CS_LOW;
|
||||||
|
spiSend(&SPID1, 1, txbuf);
|
||||||
|
spiReceive(&SPID1, 2, rxbuf);
|
||||||
|
TP_CS_HIGH;
|
||||||
|
|
||||||
|
x = rxbuf[0] << 4;
|
||||||
|
x |= rxbuf[1] >> 4;
|
||||||
|
|
||||||
|
return x;
|
||||||
|
}
|
||||||
|
|
||||||
|
__inline uint16_t lld_tpReadY(void) {
|
||||||
|
uint8_t txbuf[1];
|
||||||
|
uint8_t rxbuf[2];
|
||||||
|
uint16_t y;
|
||||||
|
|
||||||
|
txbuf[0] = 0x90;
|
||||||
|
TP_CS_LOW;
|
||||||
|
spiSend(&SPID1, 1, txbuf);
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||||||
|
spiReceive(&SPID1, 2, rxbuf);
|
||||||
|
TP_CS_HIGH;
|
||||||
|
|
||||||
|
y = rxbuf[0] << 4;
|
||||||
|
y |= rxbuf[1] >> 4;
|
||||||
|
|
||||||
|
return y;
|
||||||
|
}
|
||||||
|
|
||||||
|
__inline uint16_t lld_tpReadZ(void) {
|
||||||
|
/* ToDo */
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
#endif /* _XPT2046_H */
|
||||||
|
|
||||||
|
|
@ -3,7 +3,8 @@
|
||||||
|
|
||||||
HALSRC += $(LCDLIB)/halext/src/gdisp.c \
|
HALSRC += $(LCDLIB)/halext/src/gdisp.c \
|
||||||
$(LCDLIB)/halext/src/gdisp_fonts.c \
|
$(LCDLIB)/halext/src/gdisp_fonts.c \
|
||||||
$(LCDLIB)/halext/src/gdisp_emulation.c
|
$(LCDLIB)/halext/src/gdisp_emulation.c \
|
||||||
|
$(LCDLIB)/halext/src/touchpad.c
|
||||||
|
|
||||||
# Required include directories
|
# Required include directories
|
||||||
HALINC += $(LCDLIB)/halext/include
|
HALINC += $(LCDLIB)/halext/include
|
||||||
|
|
|
||||||
89
halext/include/touchpad.h
Normal file
89
halext/include/touchpad.h
Normal file
|
|
@ -0,0 +1,89 @@
|
||||||
|
/*
|
||||||
|
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_PRESSURE
|
||||||
|
uint16_t tpReadZ(void);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif /* HAL_USE_TOUCHPAD */
|
||||||
|
|
||||||
|
#endif /* _TOUCHPAD_H */
|
||||||
|
/** @} */
|
||||||
|
|
||||||
94
halext/include/touchpad_lld.h
Normal file
94
halext/include/touchpad_lld.h
Normal file
|
|
@ -0,0 +1,94 @@
|
||||||
|
/*
|
||||||
|
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_PRESSURE
|
||||||
|
#define TOUCHPAD_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_PRESSURE
|
||||||
|
uint16_t tp_lld_read_z(void);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#ifdef __cplusplus
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
|
||||||
|
#endif /* HAL_USE_TOUCHPAD */
|
||||||
|
|
||||||
|
#endif /* _TOUCHPAD_LLD_H */
|
||||||
|
/** @} */
|
||||||
|
|
||||||
|
|
@ -6,14 +6,14 @@ To include any of these functions/drivers in your project...
|
||||||
include $(LCDLIB)/lcd.mk
|
include $(LCDLIB)/lcd.mk
|
||||||
|
|
||||||
3/ In your project Makefile add the makefiles for any specific drivers you want e.g
|
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.
|
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__)
|
#if !defined(HAL_USE_TOUCHPAD) || defined(__DOXYGEN__)
|
||||||
#define HAL_USE_GDISP TRUE
|
#define HAL_USE_TOUCHPAD TRUE
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
5/ Do a make clean.
|
5/ Do a make clean.
|
||||||
|
|
|
||||||
194
halext/src/touchpad.c
Normal file
194
halext/src/touchpad.c
Normal file
|
|
@ -0,0 +1,194 @@
|
||||||
|
/*
|
||||||
|
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();
|
||||||
|
}
|
||||||
|
|
||||||
|
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();
|
||||||
|
}
|
||||||
|
|
||||||
|
y = (((SCREEN_HEIGHT-1) * (results/CONVERSIONS)) / 2048);
|
||||||
|
|
||||||
|
return y;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*===========================================================================*/
|
||||||
|
/* Driver exported functions. */
|
||||||
|
/*===========================================================================*/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @brief Touchpad Driver initialization.
|
||||||
|
* @note This function is NOT currently implicitly invoked by @p halInit().
|
||||||
|
* It must be called manually.
|
||||||
|
*
|
||||||
|
* @init
|
||||||
|
*/
|
||||||
|
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()) {
|
||||||
|
switch(portrait) { // 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()) {
|
||||||
|
switch(portrait) { // implement gdispGetOrientation()
|
||||||
|
case portrait:
|
||||||
|
return y;
|
||||||
|
case landscape:
|
||||||
|
return x;
|
||||||
|
case portraitInv:
|
||||||
|
return SCREEN_HEIGHT - y;
|
||||||
|
case landscapeInv:
|
||||||
|
return SCREEN_WIDTH - x;
|
||||||
|
}
|
||||||
|
|
||||||
|
return y;
|
||||||
|
}
|
||||||
|
|
||||||
|
#if TOUCHPAD_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 */
|
||||||
|
/** @} */
|
||||||
|
|
||||||
Loading…
Add table
Reference in a new issue