From 1bfc5a9f85e7c3296095105ca8e3ee1215b22be8 Mon Sep 17 00:00:00 2001 From: Joel Bodenmann Date: Mon, 11 Feb 2013 09:25:45 +0100 Subject: removed GDISP_LLD() macro - fix --- drivers/ginput/touch/ADS7843/ginput_lld.mk | 5 + drivers/ginput/touch/ADS7843/ginput_lld_mouse.c | 144 ++++++++++++++++++ .../touch/ADS7843/ginput_lld_mouse_board_example.h | 88 +++++++++++ .../ginput_lld_mouse_board_firebull_stm32f103.h | 103 +++++++++++++ .../ginput_lld_mouse_board_olimex_stm32_e407.h | 103 +++++++++++++ .../ginput/touch/ADS7843/ginput_lld_mouse_config.h | 44 ++++++ drivers/ginput/touch/ADS7843/readme.txt | 9 ++ drivers/ginput/touch/MCU/ginput_lld.mk | 5 + drivers/ginput/touch/MCU/ginput_lld_mouse.c | 140 +++++++++++++++++ .../touch/MCU/ginput_lld_mouse_board_example.h | 98 ++++++++++++ .../MCU/ginput_lld_mouse_board_olimex_stm32_lcd.h | 165 +++++++++++++++++++++ drivers/ginput/touch/MCU/ginput_lld_mouse_config.h | 44 ++++++ drivers/ginput/touch/MCU/readme.txt | 9 ++ 13 files changed, 957 insertions(+) create mode 100644 drivers/ginput/touch/ADS7843/ginput_lld.mk create mode 100644 drivers/ginput/touch/ADS7843/ginput_lld_mouse.c create mode 100644 drivers/ginput/touch/ADS7843/ginput_lld_mouse_board_example.h create mode 100644 drivers/ginput/touch/ADS7843/ginput_lld_mouse_board_firebull_stm32f103.h create mode 100644 drivers/ginput/touch/ADS7843/ginput_lld_mouse_board_olimex_stm32_e407.h create mode 100644 drivers/ginput/touch/ADS7843/ginput_lld_mouse_config.h create mode 100644 drivers/ginput/touch/ADS7843/readme.txt 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_olimex_stm32_lcd.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') diff --git a/drivers/ginput/touch/ADS7843/ginput_lld.mk b/drivers/ginput/touch/ADS7843/ginput_lld.mk new file mode 100644 index 00000000..b6ac0ea6 --- /dev/null +++ b/drivers/ginput/touch/ADS7843/ginput_lld.mk @@ -0,0 +1,5 @@ +# List the required driver. +GFXSRC += $(GFXLIB)/drivers/ginput/touch/ADS7843/ginput_lld_mouse.c + +# Required include directories +GFXINC += $(GFXLIB)/drivers/ginput/touch/ADS7843 diff --git a/drivers/ginput/touch/ADS7843/ginput_lld_mouse.c b/drivers/ginput/touch/ADS7843/ginput_lld_mouse.c new file mode 100644 index 00000000..65065176 --- /dev/null +++ b/drivers/ginput/touch/ADS7843/ginput_lld_mouse.c @@ -0,0 +1,144 @@ +/* + 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/ADS7843/ginput_lld_mouse.c + * @brief GINPUT Touch low level driver source for the ADS7843. + * + * @defgroup Mouse Mouse + * @ingroup GINPUT + * @{ + */ + +#include "ch.h" +#include "hal.h" +#include "gfx.h" + +#if (GFX_USE_GINPUT && GINPUT_NEED_MOUSE) /*|| defined(__DOXYGEN__)*/ + +#include "ginput/lld/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" +#elif defined(BOARD_OLIMEX_STM32_E407) + #include "ginput_lld_mouse_board_olimex_stm32_e407.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 */ +/** @} */ diff --git a/drivers/ginput/touch/ADS7843/ginput_lld_mouse_board_example.h b/drivers/ginput/touch/ADS7843/ginput_lld_mouse_board_example.h new file mode 100644 index 00000000..9f4f2dc1 --- /dev/null +++ b/drivers/ginput/touch/ADS7843/ginput_lld_mouse_board_example.h @@ -0,0 +1,88 @@ +/* + 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/ADS7843/ginput_lld_mouse_board_example.h + * @brief GINPUT Touch low level driver source for the ADS7843 on the example board. + * + * @defgroup Mouse Mouse + * @ingroup GINPUT + * @{ + */ + +#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 "ginputADS7843: 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 "ginputADS7843: 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 "ginputADS7843: 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 "ginputADS7843: 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 "ginputADS7843: You must supply a definition for read_value for your board" +} + +#endif /* _GINPUT_LLD_MOUSE_BOARD_H */ +/** @} */ diff --git a/drivers/ginput/touch/ADS7843/ginput_lld_mouse_board_firebull_stm32f103.h b/drivers/ginput/touch/ADS7843/ginput_lld_mouse_board_firebull_stm32f103.h new file mode 100644 index 00000000..bc018b89 --- /dev/null +++ b/drivers/ginput/touch/ADS7843/ginput_lld_mouse_board_firebull_stm32f103.h @@ -0,0 +1,103 @@ +/* + 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/ADS7843/ginput_lld_mouse_board_firebull_stm32f103.h + * @brief GINPUT ouch low level driver source for the ADS7843 on the FireBull STM32F103-FB board. + * + * @defgroup Mouse Mouse + * @ingroup GINPUT + * @{ + */ + +#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 */ +/** @} */ diff --git a/drivers/ginput/touch/ADS7843/ginput_lld_mouse_board_olimex_stm32_e407.h b/drivers/ginput/touch/ADS7843/ginput_lld_mouse_board_olimex_stm32_e407.h new file mode 100644 index 00000000..6c5f7e37 --- /dev/null +++ b/drivers/ginput/touch/ADS7843/ginput_lld_mouse_board_olimex_stm32_e407.h @@ -0,0 +1,103 @@ +/* + 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/ADS7843/ginput_lld_mouse_board_olimex_stm32_e407.h + * @brief GINPUT Touch low level driver source for the ADS7843 on an Olimex STM32E407. + * + * @defgroup Mouse Mouse + * @ingroup GINPUT + * @{ + */ + +#ifndef _GINPUT_LLD_MOUSE_BOARD_H +#define _GINPUT_LLD_MOUSE_BOARD_H + +static const SPIConfig spicfg = { + NULL, + GPIOG, + 10, + /* 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(&SPID2, &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(GPIOG, 0)); +} +/** + * @brief Aquire the bus ready for readings + * + * @notapi + */ +static __inline void aquire_bus(void) { + spiAcquireBus(&SPID2); + //TOUCHSCREEN_SPI_PROLOGUE(); + palClearPad(GPIOG, 10); +} + +/** + * @brief Release the bus after readings + * + * @notapi + */ +static __inline void release_bus(void) { + palSetPad(GPIOG, 10); + spiReleaseBus(&SPID2); + //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(&SPID2, 3, txbuf, rxbuf); + + ret = (rxbuf[1] << 5) | (rxbuf[2] >> 3); + + return ret; +} + +#endif /* _GINPUT_LLD_MOUSE_BOARD_H */ +/** @} */ diff --git a/drivers/ginput/touch/ADS7843/ginput_lld_mouse_config.h b/drivers/ginput/touch/ADS7843/ginput_lld_mouse_config.h new file mode 100644 index 00000000..30a13841 --- /dev/null +++ b/drivers/ginput/touch/ADS7843/ginput_lld_mouse_config.h @@ -0,0 +1,44 @@ +/* + 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/ADS7843/ginput_lld_mouse_config.h + * @brief GINPUT LLD header file for mouse/touch driver. + * + * @defgroup Mouse Mouse + * @ingroup GINPUT + * + * @{ + */ + +#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 */ +/** @} */ diff --git a/drivers/ginput/touch/ADS7843/readme.txt b/drivers/ginput/touch/ADS7843/readme.txt new file mode 100644 index 00000000..852a1ea0 --- /dev/null +++ b/drivers/ginput/touch/ADS7843/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/ADS7843/ginput_lld.mk + 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..b43a14e7 --- /dev/null +++ b/drivers/ginput/touch/MCU/ginput_lld_mouse.c @@ -0,0 +1,140 @@ +/* + 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.c + * @brief GINPUT Touch low level driver source for the MCU. + * + * @defgroup Mouse Mouse + * @ingroup GINPUT + * + * @{ + */ + +#include "ch.h" +#include "hal.h" +#include "gfx.h" + +#if (GFX_USE_GINPUT && GINPUT_NEED_MOUSE) /*|| defined(__DOXYGEN__)*/ + +#include "ginput/lld/mouse.h" + +#if defined(GINPUT_MOUSE_USE_CUSTOM_BOARD) && GINPUT_MOUSE_USE_CUSTOM_BOARD + #include "ginput_lld_mouse_board.h" +#elif defined(BOARD_OLIMEX_STM32_LCD) + #include "ginput_lld_mouse_board_olimex_stm32_lcd.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) { + 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. + * 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..913d50c9 --- /dev/null +++ b/drivers/ginput/touch/MCU/ginput_lld_mouse_board_example.h @@ -0,0 +1,98 @@ +/* + 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_board_example.h + * @brief GINPUT Touch low level driver source for the MCU on the example board. + * + * @defgroup Mouse Mouse + * @ingroup GINPUT + * + * @{ + */ + +#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_olimex_stm32_lcd.h b/drivers/ginput/touch/MCU/ginput_lld_mouse_board_olimex_stm32_lcd.h new file mode 100644 index 00000000..510e8e81 --- /dev/null +++ b/drivers/ginput/touch/MCU/ginput_lld_mouse_board_olimex_stm32_lcd.h @@ -0,0 +1,165 @@ +/* + 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_board_olimex_stm32_lcd.h + * @brief GINPUT Touch low level driver source for the MCU on the example board. + * + * @defgroup Mouse Mouse + * @ingroup GINPUT + * + * @{ + */ + +#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 touch. + * + * @notapi + */ +static __inline void init_board(void) { + adcStart(&ADCD1, 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) { + palSetPadMode(GPIOC, 0, PAL_MODE_INPUT_PULLDOWN); + palSetPadMode(GPIOC, 1, PAL_MODE_INPUT); + palSetPadMode(GPIOC, 2, PAL_MODE_INPUT); + palSetPadMode(GPIOC, 3, PAL_MODE_OUTPUT_PUSHPULL); + palSetPad(GPIOC, 3); + + return palReadPad(GPIOC, 0); +} + +/** + * @brief Aquire the bus ready for readings + * + * @notapi + */ +static __inline void aquire_bus(void) { + +} + +/** + * @brief Release the bus after readings + * + * @notapi + */ +static __inline void release_bus(void) { + +} + +/** + * @brief Read an x value from touch controller + * @return The value read from the controller + * + * @notapi + */ +static __inline uint16_t read_x_value(void) { + uint16_t val1, val2; + adcsample_t samples[ADC_NUM_CHANNELS * ADC_BUF_DEPTH]; + + palSetPadMode(GPIOC, 0, PAL_MODE_INPUT_ANALOG); + palSetPadMode(GPIOC, 1, PAL_MODE_INPUT_ANALOG); + palSetPadMode(GPIOC, 2, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(GPIOC, 3, PAL_MODE_OUTPUT_PUSHPULL); + + 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); + palSetPad(GPIOC, 3); + chThdSleepMilliseconds(1); + adcConvert(&ADCD1, &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) { + 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); + + 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, 1); + palSetPad(GPIOC, 0); + chThdSleepMilliseconds(1); + adcConvert(&ADCD1, &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..1b5c7b6b --- /dev/null +++ b/drivers/ginput/touch/MCU/ginput_lld_mouse_config.h @@ -0,0 +1,44 @@ +/* + 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. + * + * @defgroup Mouse Mouse + * @ingroup GINPUT + * + * @{ + */ + +#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 12 +#define GINPUT_MOUSE_READ_CYCLES 4 +#define GINPUT_MOUSE_POLL_PERIOD 25 +#define GINPUT_MOUSE_MAX_CLICK_JITTER 2 +#define GINPUT_MOUSE_MAX_MOVE_JITTER 2 +#define GINPUT_MOUSE_CLICK_TIME 500 + +#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