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

added MCU driver dummy - not implemented yet

Browse source
This commit is contained in:
Joel Bodenmann 2012-11-12 00:07:35 +01:00
parent 0e6ddaf7ff
commit 5683a9058e
5 changed files with 195 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

BIN
drivers/touchscreen/MCU/.touchscreen_lld_config.h.swp Normal file
View file

Binary file not shown.

8
drivers/touchscreen/MCU/readme.txt Normal file
View file

@ -0,0 +1,8 @@
To use this driver:
1. Add in your halconf.h:
a) #define GFX_USE_TOUCHSCREEN TRUE
2. To your makefile add the following lines:
include $(GFXLIB)/drivers/touchscreen/MCU/touchscreen_lld.mk

125
drivers/touchscreen/MCU/touchscreen_lld.c Normal file
View file

@ -0,0 +1,125 @@
/*
ChibiOS/GFX - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS/GFX.
ChibiOS/GFX 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/GFX 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 drivers/touchscreen/MCU/touchscreen_lld.c
* @brief Touchscreen Driver subsystem low level driver source.
*
* @addtogroup TOUCHSCREEN
* @{
*/
#include "ch.h"
#include "hal.h"
#include "touchscreen.h"
#if GFX_USE_TOUCHSCREEN /*|| defined(__DOXYGEN__)*/
/*===========================================================================*/
/* Driver local variables. */
/*===========================================================================*/
#if !defined(__DOXYGEN__)
/* Local copy of the current touchpad driver */
static const TouchscreenDriver *tsDriver;
#endif
/**
* @brief Low level Touchscreen driver initialization.
*
* @param[in] ts The touchscreen driver struct
*
* @notapi
*/
void ts_lld_init(const TouchscreenDriver *ts) {
tsDriver = ts;
/* set pins to analog input */
palSetPadMode(ts->ts_yd_port, ts->ts_yd_pin, PAL_MODE_INPUT_ANALOG);
palSetPadMode(ts->ts_yu_port, ts->ts_yu_pin, PAL_MODE_INPUT_ANALOG);
palSetPadMode(ts->ts_xl_port, ts->ts_yl_pin, PAL_MODE_INPUT_ANALOG);
palSetPadMode(ts->ts_xr_port, ts->ts_xr_pin, PAL_MODE_INPUT_ANALOG);
}
/**
* @brief Reads a conversion from the touchscreen
*
* @param[in] cmd The command bits to send to the touchscreen
*
* @return The read value 12-bit right-justified
*
* @note This function only reads data, it is assumed that the pins are
* configured properly and the bus has been acquired beforehand
*
* @notapi
*/
uint16_t ts_lld_read_value(uint8_t cmd) {
return 0;
}
/**
* @brief 7-point median filtering code for touchscreen samples
*
* @note This is an internally used routine only.
*
* @notapi
*/
static void ts_lld_filter(void) {
return 0;
}
/**
* @brief Reads out the X direction.
*
* @note The samples are median filtered for greater noise reduction
*
* @notapi
*/
uint16_t ts_lld_read_x(void) {
return 0;
}
/**
* @brief Reads out the Y direction.
*
* @notapi
*/
uint16_t ts_lld_read_y(void) {
return 0;
}
/*
* @brief Checks if touchscreen is pressed or not.
*
* @return 1 if pressed, 0 otherwise
*
* @notapi
*/
uint8_t ts_lld_pressed(void) {
return 0;
}
#endif /* GFX_USE_TOUCHSCREEN */
/** @} */

6
drivers/touchscreen/MCU/touchscreen_lld.mk Normal file
View file

@ -0,0 +1,6 @@
# List the required driver.
GFXSRC += $(GFXLIB)/drivers/touchscreen/MCU/touchscreen_lld.c
# Required include directories
GFXINC += $(GFXLIB)/drivers/touchscreen/MCU

56
drivers/touchscreen/MCU/touchscreen_lld_config.h Normal file
View file

@ -0,0 +1,56 @@
/*
ChibiOS/GFX - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS/GFX.
ChibiOS/GFX 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/GFX 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 drivers/touchscreen/MCU/touchscreen_lld_config.h
* @brief Touchscreen Driver subsystem low level driver.
*
* @addtogroup TOUCHSCREEN
* @{
*/
#ifndef TOUCHSCREEN_LLD_CONFIG_H
#define TOUCHSCREEN_LLD_CONFIG_H
#if GFX_USE_TOUCHSCREEN /*|| defined(__DOXYGEN__)*/
/*===========================================================================*/
/* Driver hardware support. */
/*===========================================================================*/
#define TOUCHSCREEN_HAS_PRESSED TRUE
#define TOUCHSCREEN_HAS_PRESSURE FALSE
struct TouchscreenDriver {
ioportid_t ts_yd_port;
ioportmask_t ts_yd_pin;
ioportid_t ts_yu_port;
ioportmask_t ts_yu_pin;
ioportid_t ts_xl_port;
ioportmask_t ts_xl_pin;
ioportid_t ts_xr_port;
ioportmask_t ts_xr_pin;
};
#endif /* GFX_USE_TOUCHSCREEN */
#endif /* TOUCHSCREEN_LLD_CONFIG_H */
/** @} */