From 8275c8820f230342939a2410dd0b24c0f26a14e5 Mon Sep 17 00:00:00 2001 From: Andrew Hannam Date: Mon, 26 Nov 2012 18:45:26 +1000 Subject: Ginput and structure changes GINPUT Touch including drivers GTIMER fixes GEVENT fixes GWIN button completion Structure changes to better seperate sections of a sub-system --- drivers/ginput/touch/MCU/ginput_lld.mk | 5 + drivers/ginput/touch/MCU/ginput_lld_mouse.c | 136 ++++++++++++++++ .../touch/MCU/ginput_lld_mouse_board_example.h | 96 ++++++++++++ .../touch/MCU/ginput_lld_mouse_board_unknown.h | 174 +++++++++++++++++++++ drivers/ginput/touch/MCU/ginput_lld_mouse_config.h | 41 +++++ drivers/ginput/touch/MCU/readme.txt | 9 ++ 6 files changed, 461 insertions(+) create mode 100644 drivers/ginput/touch/MCU/ginput_lld.mk create mode 100644 drivers/ginput/touch/MCU/ginput_lld_mouse.c create mode 100644 drivers/ginput/touch/MCU/ginput_lld_mouse_board_example.h create mode 100644 drivers/ginput/touch/MCU/ginput_lld_mouse_board_unknown.h create mode 100644 drivers/ginput/touch/MCU/ginput_lld_mouse_config.h create mode 100644 drivers/ginput/touch/MCU/readme.txt (limited to 'drivers/ginput/touch/MCU') diff --git a/drivers/ginput/touch/MCU/ginput_lld.mk b/drivers/ginput/touch/MCU/ginput_lld.mk new file mode 100644 index 00000000..eb8fb2d8 --- /dev/null +++ b/drivers/ginput/touch/MCU/ginput_lld.mk @@ -0,0 +1,5 @@ +# List the required driver. +GFXSRC += $(GFXLIB)/drivers/ginput/touch/MCU/ginput_lld_mouse.c + +# Required include directories +GFXINC += $(GFXLIB)/drivers/ginput/touch/MCU diff --git a/drivers/ginput/touch/MCU/ginput_lld_mouse.c b/drivers/ginput/touch/MCU/ginput_lld_mouse.c new file mode 100644 index 00000000..ac42033b --- /dev/null +++ b/drivers/ginput/touch/MCU/ginput_lld_mouse.c @@ -0,0 +1,136 @@ +/* + ChibiOS/RT - Copyright (C) 2012 + Joel Bodenmann aka Tectu + + 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 . +*/ + +/** + * @file drivers/ginput/touch/MCU/ginput_lld_mouse.c + * @brief GINPUT Touch low level driver source for the MCU. + * + * @addtogroup GINPUT_MOUSE + * @{ + */ + +#include "ch.h" +#include "hal.h" + +#if (GFX_USE_GINPUT && GINPUT_NEED_MOUSE) /*|| defined(__DOXYGEN__)*/ + +#include "lld/ginput/touch.h" + +#if defined(GINPUT_MOUSE_USE_CUSTOM_BOARD) && GINPUT_MOUSE_USE_CUSTOM_BOARD + /* Include the user supplied board definitions */ + #include "ginput_lld_mouse_board.h" +//#elif defined(BOARD_OLIMEX_SAM7_EX256) +// #include "ginput_lld_mouse_board_olimexsam7ex256.h" +#else + #include "ginput_lld_mouse_board.h" +#endif + +static uint16_t sampleBuf[7]; +static coord_t lastx, lasty; + +/** + * @brief 7-point median filtering code for touchscreen 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) { + // 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. + * Once we have the readings, find the medium using our filter function + */ + read_x_value(); + for(i = 0; i < 7; i++) + sampleBuf[i] = read_x_value(); + filter(); + lastx = (coord_t)sampleBuf[3]; + + /* Get the Y value using the same process as above */ + read_y_value(); + for(i = 0; i < 7; i++) + sampleBuf[i] = read_y_value(); + 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 */ +/** @} */ diff --git a/drivers/ginput/touch/MCU/ginput_lld_mouse_board_example.h b/drivers/ginput/touch/MCU/ginput_lld_mouse_board_example.h new file mode 100644 index 00000000..21e55e74 --- /dev/null +++ b/drivers/ginput/touch/MCU/ginput_lld_mouse_board_example.h @@ -0,0 +1,96 @@ +/* + ChibiOS/RT - Copyright (C) 2012 + Joel Bodenmann aka Tectu + + 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 . +*/ + +/** + * @file drivers/ginput/touch/MCU/ginput_lld_mouse_board_example.h + * @brief GINPUT Touch low level driver source for the MCU 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 "ginputMCU: 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 "ginputMCU: 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 "ginputMCU: 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 "ginputMCU: You must supply a definition for release_bus for your board" +} + +/** + * @brief Read an x value from touch controller + * @return The value read from the controller + * + * @notapi + */ +static __inline uint16_t read_x_value(void) { + /* Code here */ + #error "ginputMCU: You must supply a definition for read_x_value for your board" +} + +/** + * @brief Read an y value from touch controller + * @return The value read from the controller + * + * @notapi + */ +static __inline uint16_t read_y_value(void) { + /* Code here */ + #error "ginputMCU: You must supply a definition for read_y_value for your board" +} + +#endif /* _GINPUT_LLD_MOUSE_BOARD_H */ +/** @} */ diff --git a/drivers/ginput/touch/MCU/ginput_lld_mouse_board_unknown.h b/drivers/ginput/touch/MCU/ginput_lld_mouse_board_unknown.h new file mode 100644 index 00000000..4780806e --- /dev/null +++ b/drivers/ginput/touch/MCU/ginput_lld_mouse_board_unknown.h @@ -0,0 +1,174 @@ +/* + ChibiOS/RT - Copyright (C) 2012 + Joel Bodenmann aka Tectu + + 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 . +*/ + +/** + * @file drivers/ginput/touch/MCU/ginput_lld_mouse_board_unknown.h + * @brief GINPUT Touch low level driver source for the MCU on some unknown board. + * + * @addtogroup GINPUT_MOUSE + * @{ + */ + +#ifndef _GINPUT_LLD_MOUSE_BOARD_H +#define _GINPUT_LLD_MOUSE_BOARD_H + +#define ADC_NUM_CHANNELS 2 +#define ADC_BUF_DEPTH 1 + +static const ADCConversionGroup adc_y_config = { + FALSE, + ADC_NUM_CHANNELS, + NULL, + NULL, + 0, 0, + 0, 0, + ADC_SQR1_NUM_CH(ADC_NUM_CHANNELS), + 0, + ADC_SQR3_SQ2_N(ADC_CHANNEL_IN12) | ADC_SQR3_SQ1_N(ADC_CHANNEL_IN13) +}; + +static const ADCConversionGroup adc_x_config = { + FALSE, + ADC_NUM_CHANNELS, + NULL, + NULL, + 0, 0, + 0, 0, + ADC_SQR1_NUM_CH(ADC_NUM_CHANNELS), + 0, + ADC_SQR3_SQ2_N(ADC_CHANNEL_IN10) | ADC_SQR3_SQ1_N(ADC_CHANNEL_IN11) +}; + +/** + * @brief Initialise the board for the mouse/touch. + * + * @notapi + */ +static __inline void init_board(void) { + /* Code here */ + #error "ginputMCU: You must supply a definition for init_board for your board + + adcStart(ts->adc_driver, NULL); +} + +/** + * @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 "ginputMCU: You must supply a definition for getpin_pressed for your board" + palSetPadMode(ts->yd_port, ts->yd_pin, PAL_MODE_INPUT_PULLDOWN); + palSetPadMode(ts->yu_port, ts->yu_pin, PAL_MODE_INPUT); + palSetPadMode(ts->xl_port, ts->xl_pin, PAL_MODE_INPUT); + palSetPadMode(ts->xr_port, ts->xr_pin, PAL_MODE_OUTPUT_PUSHPULL); + palSetPad(ts->xr_port, ts->xr_pin); + + return palReadPad(ts->yd_port, ts->yd_pin); +} + +/** + * @brief Aquire the bus ready for readings + * + * @notapi + */ +static __inline void aquire_bus(void) { + /* Code here */ + #error "ginputMCU: 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 "ginputMCU: You must supply a definition for release_bus for your board" +} + +/** + * @brief Read an x value from touch controller + * @return The value read from the controller + * + * @notapi + */ +static __inline uint16_t read_x_value(void) { + /* Code here */ + #error "ginputMCU: You must supply a definition for read_x_value for your board" + uint16_t val1, val2; + adcsample_t samples[ADC_NUM_CHANNELS * ADC_BUF_DEPTH]; + + palSetPadMode(ts->yd_port, ts->yd_pin, PAL_MODE_INPUT_ANALOG); + palSetPadMode(ts->yu_port, ts->yu_pin, PAL_MODE_INPUT_ANALOG); + palSetPadMode(ts->xl_port, ts->xl_pin, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(ts->xr_port, ts->xr_pin, PAL_MODE_OUTPUT_PUSHPULL); + + palSetPad(ts->xl_port, ts->xl_pin); + palClearPad(ts->xr_port, ts->xr_pin); + chThdSleepMilliseconds(1); + adcConvert(ts->adc_driver, &adc_x_config, samples, ADC_BUF_DEPTH); + val1 = ((samples[0] + samples[1])/2); + + palClearPad(ts->xl_port, ts->xl_pin); + palSetPad(ts->xr_port, ts->xr_pin); + chThdSleepMilliseconds(1); + adcConvert(ts->adc_driver, &adc_x_config, samples, ADC_BUF_DEPTH); + val2 = ((samples[0] + samples[1])/2); + + return ((val1+((1<<12)-val2))/4); +} + +/** + * @brief Read an y value from touch controller + * @return The value read from the controller + * + * @notapi + */ +static __inline uint16_t read_y_value(void) { + /* Code here */ + #error "ginputMCU: You must supply a definition for read_y_value for your board" + uint16_t val1, val2; + adcsample_t samples[ADC_NUM_CHANNELS * ADC_BUF_DEPTH]; + + palSetPadMode(ts->xl_port, ts->xl_pin, PAL_MODE_INPUT_ANALOG); + palSetPadMode(ts->xr_port, ts->xr_pin, PAL_MODE_INPUT_ANALOG); + palSetPadMode(ts->yd_port, ts->yd_pin, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(ts->yu_port, ts->yu_pin, PAL_MODE_OUTPUT_PUSHPULL); + + palSetPad(ts->yu_port, ts->yu_pin); + palClearPad(ts->yd_port, ts->yd_pin); + chThdSleepMilliseconds(1); + adcConvert(ts->adc_driver, &adc_y_config, samples, ADC_BUF_DEPTH); + val1 = ((samples[0] + samples[1])/2); + + palClearPad(ts->yu_port, ts->yu_pin); + palSetPad(ts->yd_port, ts->yd_pin); + chThdSleepMilliseconds(1); + adcConvert(ts->adc_driver, &adc_y_config, samples, ADC_BUF_DEPTH); + val2 = ((samples[0] + samples[1])/2); + + return ((val1+((1<<12)-val2))/4); +} + +#endif /* _GINPUT_LLD_MOUSE_BOARD_H */ +/** @} */ diff --git a/drivers/ginput/touch/MCU/ginput_lld_mouse_config.h b/drivers/ginput/touch/MCU/ginput_lld_mouse_config.h new file mode 100644 index 00000000..d56be229 --- /dev/null +++ b/drivers/ginput/touch/MCU/ginput_lld_mouse_config.h @@ -0,0 +1,41 @@ +/* + ChibiOS/GFX - Copyright (C) 2012 + Joel Bodenmann aka Tectu + + 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 . +*/ +/** + * @file drivers/ginput/touch/MCU/ginput_lld_mouse_config.h + * @brief GINPUT LLD header file for 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 2 +#define GINPUT_MOUSE_READ_CYCLES 4 +#define GINPUT_MOUSE_POLL_PERIOD 100 +#define GINPUT_MOUSE_MAX_CLICK_JITTER 2 +#define GINPUT_MOUSE_MAX_MOVE_JITTER 2 +#define GINPUT_MOUSE_CLICK_TIME 700 + +#endif /* _LLD_GINPUT_MOUSE_CONFIG_H */ +/** @} */ diff --git a/drivers/ginput/touch/MCU/readme.txt b/drivers/ginput/touch/MCU/readme.txt new file mode 100644 index 00000000..4dbe5543 --- /dev/null +++ b/drivers/ginput/touch/MCU/readme.txt @@ -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/MCU/ginput_lld.mk + -- cgit v1.2.3