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Merge pull request #10 from Tectu/master

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Merge Tectu Changes
This commit is contained in:
Andrew Hannam 2012-12-01 22:18:10 -08:00
commit e23485273e
8 changed files with 399 additions and 12 deletions
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8
drivers/ginput/touch/ADS7843/ginput_lld_mouse_config.h
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@ -30,12 +30,12 @@
#define GINPUT_MOUSE_EVENT_TYPE GEVENT_TOUCH
#define GINPUT_MOUSE_NEED_CALIBRATION TRUE
#define GINPUT_MOUSE_LLD_CALIBRATION_LOADSAVE FALSE
#define GINPUT_MOUSE_MAX_CALIBRATION_ERROR 4
#define GINPUT_MOUSE_MAX_CALIBRATION_ERROR 5
#define GINPUT_MOUSE_READ_CYCLES 4
#define GINPUT_MOUSE_POLL_PERIOD 100
#define GINPUT_MOUSE_MAX_CLICK_JITTER 2
#define GINPUT_MOUSE_POLL_PERIOD 25
#define GINPUT_MOUSE_MAX_CLICK_JITTER 10
#define GINPUT_MOUSE_MAX_MOVE_JITTER 2
#define GINPUT_MOUSE_CLICK_TIME 700
#define GINPUT_MOUSE_CLICK_TIME 500
#endif /* _LLD_GINPUT_MOUSE_CONFIG_H */
/** @} */

16
drivers/ginput/touch/MCU/ginput_lld_mouse_board_olimex_stm32_lcd.h
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@ -106,7 +106,7 @@ static __inline void release_bus(void) {
* @notapi
*/
static __inline uint16_t read_x_value(void) {
uint16_t val1, val2;
uint16_t val1, val2;
adcsample_t samples[ADC_NUM_CHANNELS * ADC_BUF_DEPTH];
palSetPadMode(GPIOC, 0, PAL_MODE_INPUT_ANALOG);
@ -114,13 +114,13 @@ static __inline uint16_t read_x_value(void) {
palSetPadMode(GPIOC, 2, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOC, 3, PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(GPIOC, 2);
palSetPad(GPIOC, 2);
palClearPad(GPIOC, 3);
chThdSleepMilliseconds(1);
adcConvert(&ADCD1, &adc_x_config, samples, ADC_BUF_DEPTH);
val1 = ((samples[0] + samples[1])/2);
palClearPad(GPIOC, 2);
palClearPad(GPIOC, 2);
palSetPad(GPIOC, 3);
chThdSleepMilliseconds(1);
adcConvert(&ADCD1, &adc_x_config, samples, ADC_BUF_DEPTH);
@ -136,22 +136,22 @@ static __inline uint16_t read_x_value(void) {
* @notapi
*/
static __inline uint16_t read_y_value(void) {
uint16_t val1, val2;
uint16_t val1, val2;
adcsample_t samples[ADC_NUM_CHANNELS * ADC_BUF_DEPTH];
palSetPadMode(GPIOC, 2, PAL_MODE_INPUT_ANALOG);
palSetPadMode(GPIOC, 3, PAL_MODE_INPUT_ANALOG);
palSetPadMode(GPIOC, 0, PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(GPIOC, 1, PAL_MODE_OUTPUT_PUSHPULL);
return 42;
palSetPad(GPIOC, 1);
palClearPad(GPIOC, 0);
chThdSleepMilliseconds(1);
adcConvert(&ADCD1, &adc_y_config, samples, ADC_BUF_DEPTH);
val1 = ((samples[0] + samples[1])/2);
palClearPad(GPIOC, 0);
palSetPad(GPIOC, 1);
palClearPad(GPIOC, 1);
palSetPad(GPIOC, 0);
chThdSleepMilliseconds(1);
adcConvert(&ADCD1, &adc_y_config, samples, ADC_BUF_DEPTH);
val2 = ((samples[0] + samples[1])/2);

5
drivers/ginput/touch/XPT2046/ginput_lld.mk Normal file
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@ -0,0 +1,5 @@
# List the required driver.
GFXSRC += $(GFXLIB)/drivers/ginput/touch/XPT2046/ginput_lld_mouse.c
# Required include directories
GFXINC += $(GFXLIB)/drivers/ginput/touchXPT20466

143
drivers/ginput/touch/XPT2046/ginput_lld_mouse.c Normal file
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@ -0,0 +1,143 @@
/*
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/ginput/touch/XPT2046/ginput_lld_mouse.c
* @brief GINPUT Touch low level driver source for the XPT2046.
*
* @addtogroup GINPUT_MOUSE
* @{
*/
#include "ch.h"
#include "hal.h"
#if (GFX_USE_GINPUT && GINPUT_NEED_MOUSE) /*|| defined(__DOXYGEN__)*/
#include "gdisp.h" /* for coord_t */
#include "gevent.h"
#include "ginput/ginput_mouse.h" /* for GINPUT_TOUCH_PRESSED */
#include "lld/ginput/mouse.h"
#if defined(GINPUT_MOUSE_USE_CUSTOM_BOARD) && GINPUT_MOUSE_USE_CUSTOM_BOARD
#include "ginput_lld_mouse_board.h"
#elif defined(BOARD_FIREBULL_STM32_F103)
#include "ginput_lld_mouse_board_firebull_stm32f103.h"
#else
#include "ginput_lld_mouse_board_example.h"
#endif
static uint16_t sampleBuf[7];
static coord_t lastx, lasty;
/**
* @brief 7-point median filtering code for touch samples
*
* @note This is an internally used routine only.
*
* @notapi
*/
static void filter(void) {
uint16_t temp;
int i,j;
for(i = 0; i < 4; i++) {
for(j = i; j < 7; j++) {
if(sampleBuf[i] > sampleBuf[j]) {
/* Swap the values */
temp = sampleBuf[i];
sampleBuf[i] = sampleBuf[j];
sampleBuf[j] = temp;
}
}
}
}
/**
* @brief Initialise the mouse/touch.
*
* @notapi
*/
void ginput_lld_mouse_init(void) {
init_board();
}
/**
* @brief Read the mouse/touch position.
*
* @param[in] pt A pointer to the structure to fill
*
* @note For drivers that don't support returning a position
* when the touch is up (most touch devices), it should
* return the previous position with the new Z value.
* The z value is the pressure for those touch devices
* that support it (-100 to 100 where > 0 is touched)
* or, 0 or 100 for those drivers that don't.
*
* @notapi
*/
void ginput_lld_mouse_get_reading(MouseReading *pt) {
uint16_t i;
// If touch-off return the previous results
if (!getpin_pressed()) {
pt->x = lastx;
pt->y = lasty;
pt->z = 0;
pt->buttons = 0;
return;
}
// Read the port to get the touch settings
aquire_bus();
/* Get the X value
* Discard the first conversion - very noisy and keep the ADC on hereafter
* till we are done with the sampling. Note that PENIRQ is disabled while reading.
* Finally switch on PENIRQ once again - perform a dummy read.
* Once we have the readings, find the medium using our filter function
*/
read_value(0xD1);
for(i = 0; i < 7; i++)
sampleBuf[i] = read_value(0xD1);
read_value(0xD0);
filter();
lastx = (coord_t)sampleBuf[3];
/* Get the Y value using the same process as above */
read_value(0x91);
for(i = 0; i < 7; i++)
sampleBuf[i] = read_value(0x91);
read_value(0x90);
filter();
lasty = (coord_t)sampleBuf[3];
// Release the bus
release_bus();
// Return the results
pt->x = lastx;
pt->y = lasty;
pt->z = 100;
pt->buttons = GINPUT_TOUCH_PRESSED;
}
#endif /* GFX_USE_GINPUT && GINPUT_NEED_MOUSE */
/** @} */

87
drivers/ginput/touch/XPT2046/ginput_lld_mouse_board_example.h Normal file
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@ -0,0 +1,87 @@
/*
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/ginput/touch/XPT2046/ginput_lld_mouse_board_example.h
* @brief GINPUT Touch low level driver source for the XPT2046 on the example board.
*
* @addtogroup GINPUT_MOUSE
* @{
*/
#ifndef _GINPUT_LLD_MOUSE_BOARD_H
#define _GINPUT_LLD_MOUSE_BOARD_H
/**
* @brief Initialise the board for the touch.
*
* @notapi
*/
static __inline void init_board(void) {
/* Code here */
#error "ginputXPT2046: You must supply a definition for init_board for your board"
}
/**
* @brief Check whether the surface is currently touched
* @return TRUE if the surface is currently touched
*
* @notapi
*/
static __inline bool_t getpin_pressed(void) {
/* Code here */
#error "ginputXPT2046: You must supply a definition for getpin_pressed for your board"
}
/**
* @brief Aquire the bus ready for readings
*
* @notapi
*/
static __inline void aquire_bus(void) {
/* Code here */
#error "ginputXPT2046: You must supply a definition for aquire_bus for your board"
}
/**
* @brief Release the bus after readings
*
* @notapi
*/
static __inline void release_bus(void) {
/* Code here */
#error "ginputXPT2046: You must supply a definition for release_bus for your board"
}
/**
* @brief Read a value from touch controller
* @return The value read from the controller
*
* params[in] port The controller port to read.
*
* @notapi
*/
static __inline uint16_t read_value(uint16_t port) {
/* Code here */
#error "ginputXPT2046: You must supply a definition for read_value for your board"
}
#endif /* _GINPUT_LLD_MOUSE_BOARD_H */
/** @} */

102
drivers/ginput/touch/XPT2046/ginput_lld_mouse_board_firebull_stm32f103.h Normal file
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@ -0,0 +1,102 @@
/*
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/ginput/touch/XPT2046/ginput_lld_mouse_board_example.h
* @brief GINPUT Touch low level driver source for the XPT2046 on the example board.
*
* @addtogroup GINPUT_MOUSE
* @{
*/
#ifndef _GINPUT_LLD_MOUSE_BOARD_H
#define _GINPUT_LLD_MOUSE_BOARD_H
static const SPIConfig spicfg = {
NULL,
GPIOC,
6,
/* SPI_CR1_BR_2 |*/ SPI_CR1_BR_1 | SPI_CR1_BR_0,
};
/**
* @brief Initialise the board for the touch.
*
* @notapi
*/
static __inline void init_board(void) {
spiStart(&SPID1, &spicfg);
}
/**
* @brief Check whether the surface is currently touched
* @return TRUE if the surface is currently touched
*
* @notapi
*/
static __inline bool_t getpin_pressed(void) {
return (!palReadPad(GPIOC, 4));
}
/**
* @brief Aquire the bus ready for readings
*
* @notapi
*/
static __inline void aquire_bus(void) {
spiAcquireBus(&SPID1);
//TOUCHSCREEN_SPI_PROLOGUE();
palClearPad(GPIOC, 6);
}
/**
* @brief Release the bus after readings
*
* @notapi
*/
static __inline void release_bus(void) {
palSetPad(GPIOC, 6);
spiReleaseBus(&SPID1);
//TOUCHSCREEN_SPI_EPILOGUE();
}
/**
* @brief Read a value from touch controller
* @return The value read from the controller
*
* params[in] port The controller port to read.
*
* @notapi
*/
static __inline uint16_t read_value(uint16_t port) {
static uint8_t txbuf[3] = {0};
static uint8_t rxbuf[3] = {0};
uint16_t ret;
txbuf[0] = port;
spiExchange(&SPID1, 3, txbuf, rxbuf);
ret = (rxbuf[1] << 5) | (rxbuf[2] >> 3);
return ret;
}
#endif /* _GINPUT_LLD_MOUSE_BOARD_H */
/** @} */

41
drivers/ginput/touch/XPT2046/ginput_lld_mouse_config.h Normal file
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@ -0,0 +1,41 @@
/*
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/ginput/touch/XPT2046/ginput_lld_mouse_config.h
* @brief GINPUT LLD header file for mouse/touch driver.
*
* @addtogroup GINPUT_LLD_MOUSE
* @{
*/
#ifndef _LLD_GINPUT_MOUSE_CONFIG_H
#define _LLD_GINPUT_MOUSE_CONFIG_H
#define GINPUT_MOUSE_EVENT_TYPE GEVENT_TOUCH
#define GINPUT_MOUSE_NEED_CALIBRATION TRUE
#define GINPUT_MOUSE_LLD_CALIBRATION_LOADSAVE FALSE
#define GINPUT_MOUSE_MAX_CALIBRATION_ERROR 5
#define GINPUT_MOUSE_READ_CYCLES 4
#define GINPUT_MOUSE_POLL_PERIOD 25
#define GINPUT_MOUSE_MAX_CLICK_JITTER 10
#define GINPUT_MOUSE_MAX_MOVE_JITTER 2
#define GINPUT_MOUSE_CLICK_TIME 500
#endif /* _LLD_GINPUT_MOUSE_CONFIG_H */
/** @} */

9
drivers/ginput/touch/XPT2046/readme.txt Normal file
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@ -0,0 +1,9 @@
To use this driver:
1. Add in your halconf.h:
a) #define GFX_USE_GINPUT TRUE
b) #define GINPUT_NEED_MOUSE TRUE
2. To your makefile add the following lines:
include $(GFXLIB)/drivers/ginput/touch/XPT2046/ginput_lld.mk