drivers/input/ft5x06.c: Add a driver for the FT5x06 capacitive, multi-touch, touchscreen controller. configs/lpcxpresso-lpc54628: Add support for the the FT5x06. Enable the driver as well as the apps/examples touchscreen test. Untested on initial commit.
This commit is contained in:
Gregory Nutt
parent
87252297d6
commit
c62a9ea727
@ -57,6 +57,10 @@ STATUS
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are processed. This, I suspect, is a consequence of the strong glitch
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filtering that is enbled in the pin configuration. Snappier
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response my be obtainble with filtering off.
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2017-12-17: Added a driver for the FT5x06 capacitive, multi-touch
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controller. Add support logic for the LPCXpresso-LPC54528 to
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initialize and the register the FT5x06 driver. Untested on initial
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commit
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Configurations
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==============
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246
configs/lpcxpresso-lpc54628/src/lpc54_ft5x06.c
Normal file
246
configs/lpcxpresso-lpc54628/src/lpc54_ft5x06.c
Normal file
@ -0,0 +1,246 @@
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/****************************************************************************
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* configs/lpcxpresso-lpc54628/src/lpc54_ft5x06.c
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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||||
*
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||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
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* without specific prior written permission.
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||||
*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <syslog.h>
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#include <errno.h>
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#include <nuttx/arch.h>
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#include <nuttx/i2c/i2c_master.h>
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#include <nuttx/input/ft5x06.h>
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#include "lpc54_config.h"
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#include "lpc54_gpio.h"
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#include "lpcxpresso-lpc54628.h"
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#ifdef HAVE_FT5x06
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/****************************************************************************
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* Pre-processor Defintions
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****************************************************************************/
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#define FT5x06_FREQUENCY 400000 /* For now, will boost later */
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/****************************************************************************
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* Private Function Ptototypes
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****************************************************************************/
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static int lpc54_ft5x06_attach(FAR const struct ft5x06_config_s *config,
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enum ft5x06_irqsource_e irqsrc, xcpt_t isr, FAR void *arg);
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static void lpc54_ft5x06_enable(FAR const struct ft5x06_config_s *config,
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enum ft5x06_irqsource_e irqsrc, bool enable);
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static void lpc54_ft5x06_clear(FAR const struct ft5x06_config_s *config,
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enum ft5x06_irqsource_e irqsrc);
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static void lpc54_ft5x06_nreset(FAR const struct ft5x06_config_s *config,
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bool state);
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static const struct ft5x06_config_s g_ft5x06_config =
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{
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.address = FT5x06_I2C_ADDRESS,
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.frequency = FT5x06_FREQUENCY,
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.attach = lpc54_ft5x06_attach,
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.enable = lpc54_ft5x06_enable,
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.clear = lpc54_ft5x06_clear,
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.nreset = lpc54_ft5x06_nreset
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};
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static uint8_t g_ft5x06_irq;
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: lpc54_ft5x06_attach
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*
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* Description:
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* Attach an FT5x06 interrupt handler to a GPIO interrupt
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*
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****************************************************************************/
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static int lpc54_ft5x06_attach(FAR const struct ft5x06_config_s *config,
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enum ft5x06_irqsource_e irqsrc, xcpt_t isr,
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FAR void *arg)
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{
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if (irqsrc == FT5X06_DATA_SOURCE)
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{
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return irq_attach(g_ft5x06_irq, isr, arg);
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}
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else
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{
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return -ENOSYS;
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}
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}
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/****************************************************************************
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* Name: lpc54_ft5x06_enable
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*
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* Description:
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* Enable or disable a GPIO interrupt
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*
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****************************************************************************/
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static void lpc54_ft5x06_enable(FAR const struct ft5x06_config_s *config,
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enum ft5x06_irqsource_e irqsrc, bool enable)
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{
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if (irqsrc == FT5X06_DATA_SOURCE)
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{
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up_enable_irq(g_ft5x06_irq);
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}
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}
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/****************************************************************************
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* Name: lpc54_ft5x06_clear
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*
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* Description:
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* Acknowledge/clear any pending GPIO interrupt
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*
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****************************************************************************/
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static void lpc54_ft5x06_clear(FAR const struct ft5x06_config_s *config,
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enum ft5x06_irqsource_e irqsrc)
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{
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if (irqsrc == FT5X06_DATA_SOURCE)
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{
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(void)lpc54_gpio_ackedge(g_ft5x06_irq);
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}
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}
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/****************************************************************************
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* Name: lpc54_ft5x06_nreset
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*
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* Description:
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* Control the chip reset pin (active low)
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*
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****************************************************************************/
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static void lpc54_ft5x06_nreset(FAR const struct ft5x06_config_s *config,
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bool nstate)
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{
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lpc54_gpio_write(GPIO_FT5x06_CTRSTn, nstate);
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: lpc54_ft5x06_register
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*
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* Description:
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* Register the FT5x06 touch panel driver
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*
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****************************************************************************/
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int lpc54_ft5x06_register(void)
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{
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FAR struct i2c_master_s *i2c;
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int irq;
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int ret;
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/* Initialize GPIO pins. NOTE: The nRST pin was already configured during
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* early LCD initialization. The Part is in reset now.
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*/
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lpc54_gpio_config(GPIO_FT5x06_INTR);
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irq = lpc54_gpio_irqno(GPIO_FT5x06_INTR);
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DEBUGASSERT(irq > 0 && irq < UINT8_MAX);
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g_ft5x06_irq = (uint8_t)irq;
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/* Make sure that the interrupt is disabled at the NVIC */
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lpc54_gpio_ackedge(irq);
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up_disable_irq(irq);
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/* Take the FT5x06 out of reset */
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lpc54_gpio_write(GPIO_FT5x06_CTRSTn, true);
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/* The FT5x06 is on I2C2. Get the handle and register the F5x06 device */
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i2c = lpc54_i2c_handle(2, I2C2NDX);
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if (i2c == NULL)
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{
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syslog(LOG_ERR, "ERROR: Failed to get I2C2 interface\n");
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return -ENODEV;
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}
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else
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{
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ret = ft5x06_register(i2c, &g_ft5x06_config, 0);
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if (ret < 0)
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{
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syslog(LOG_ERR, "ERROR: Failed to register FT5x06 driver: %d\n",
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ret);
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lpc54_gpio_write(GPIO_FT5x06_CTRSTn, false);
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lpc54_i2c_free(I2C2NDX);
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return ret;
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}
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}
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return OK;
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}
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/****************************************************************************
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* Name: board_tsc_setup and board_tsc_teardown
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*
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* Description:
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* Stubs for expected interfaces. This implementation does not permit the
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* application to mange the touch screen controller.
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*
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****************************************************************************/
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#ifdef CONFIG_BOARDCTL_TSCTEST
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int board_tsc_setup(int minor)
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{
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DEBUGASSERT(minor == 0);
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return OK;
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}
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void board_tsc_teardown(void)
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{
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}
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#endif
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#endif /* HAVE_FT5x06*/
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107
configs/lpcxpresso-lpc54628/src/lpc54_i2c.c
Normal file
107
configs/lpcxpresso-lpc54628/src/lpc54_i2c.c
Normal file
@ -0,0 +1,107 @@
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/****************************************************************************
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* configs/lpcxpresso-lpc54628/src/lpc54_i2c.c
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*
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
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||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
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||||
*
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||||
****************************************************************************/
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||||
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||||
/****************************************************************************
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||||
* Included Files
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||||
****************************************************************************/
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#include <nuttx/config.h>
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#include <syslog.h>
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#include <nuttx/i2c/i2c_master.h>
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#include "lpc54_config.h"
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#include "lpc54_i2c_master.h"
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#include "lpcxpresso-lpc54628.h"
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#if defined(HAVE_I2CTOOL) || defined(HAVE_FT5x06)
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static FAR struct i2c_master_s *g_i2c_handle[NI2C];
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: lpc54_i2c_handle
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*
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* Description:
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* Create (or reuse) an I2C handle
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*
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****************************************************************************/
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FAR struct i2c_master_s *lpc54_i2c_handle(int bus, int ndx)
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{
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FAR struct i2c_master_s *i2c = g_i2c_handle[ndx];
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if (i2c == NULL)
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{
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i2c = lpc54_i2cbus_initialize(bus);
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if (i2c == NULL)
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{
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syslog(LOG_ERR, "ERROR: Failed to get I2C%d interface\n", bus);
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}
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else
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{
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g_i2c_handle[ndx] = i2c;
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}
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}
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return i2c;
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}
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/****************************************************************************
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* Name: lpc54_i2c_free
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*
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* Description:
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* Free an I2C handle created by lpc54_i2c_handle
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*
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****************************************************************************/
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void lpc54_i2c_free(int ndx)
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{
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if (g_i2c_handle[ndx] != NULL)
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{
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lpc54_i2cbus_uninitialize(g_i2c_handle[ndx]);
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g_i2c_handle[ndx] = NULL;
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}
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}
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#endif /* HAVE_I2CTOOL || HAVE_FT5x06*/
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132
configs/lpcxpresso-lpc54628/src/lpc54_i2ctool.c
Normal file
132
configs/lpcxpresso-lpc54628/src/lpc54_i2ctool.c
Normal file
@ -0,0 +1,132 @@
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/****************************************************************************
|
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* configs/lpcxpresso-lpc54628/src/lpc54_i2ctool.c
|
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*
|
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* Copyright (C) 2017 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <syslog.h>
|
||||
|
||||
#include <nuttx/i2c/i2c_master.h>
|
||||
|
||||
#include "lpc54_config.h"
|
||||
#include "lpc54_i2c_master.h"
|
||||
#include "lpcxpresso-lpc54628.h"
|
||||
|
||||
#ifdef HAVE_I2CTOOL
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: lpc54_i2c_register
|
||||
*
|
||||
* Description:
|
||||
* Register one I2C drivers for the I2C tool.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static void lpc54_i2c_register(int bus, int ndx)
|
||||
{
|
||||
FAR struct i2c_master_s *i2c;
|
||||
int ret;
|
||||
|
||||
i2c = lpc54_i2c_handle(bus, ndx);
|
||||
if (i2c == NULL)
|
||||
{
|
||||
syslog(LOG_ERR, "ERROR: Failed to get I2C%d interface\n", bus);
|
||||
}
|
||||
else
|
||||
{
|
||||
ret = i2c_register(i2c, bus);
|
||||
if (ret < 0)
|
||||
{
|
||||
syslog(LOG_ERR, "ERROR: Failed to register I2C%d driver: %d\n",
|
||||
bus, ret);
|
||||
lpc54_i2cbus_uninitialize(i2c);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: lpc54_i2ctool
|
||||
*
|
||||
* Description:
|
||||
* Register I2C drivers for the I2C tool.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void lpc54_i2ctool(void)
|
||||
{
|
||||
#ifdef CONFIG_LPC54_I2C0_MASTER
|
||||
lpc54_i2c_register(0, I2C0NDX);
|
||||
#endif
|
||||
#ifdef CONFIG_LPC54_I2C1_MASTER
|
||||
lpc54_i2c_register(1, I2C1NDX);
|
||||
#endif
|
||||
#ifdef CONFIG_LPC54_I2C2_MASTER
|
||||
lpc54_i2c_register(2, I2C2NDX);
|
||||
#endif
|
||||
#ifdef CONFIG_LPC54_I2C3_MASTER
|
||||
lpc54_i2c_register(3, I2C3NDX);
|
||||
#endif
|
||||
#ifdef CONFIG_LPC54_I2C4_MASTER
|
||||
lpc54_i2c_register(4, I2C4NDX);
|
||||
#endif
|
||||
#ifdef CONFIG_LPC54_I2C5_MASTER
|
||||
lpc54_i2c_register(5, I2C5NDX);
|
||||
#endif
|
||||
#ifdef CONFIG_LPC54_I2C6_MASTER
|
||||
lpc54_i2c_register(6, I2C6NDX);
|
||||
#endif
|
||||
#ifdef CONFIG_LPC54_I2C7_MASTER
|
||||
lpc54_i2c_register(7, I2C7NDX);
|
||||
#endif
|
||||
#ifdef CONFIG_LPC54_I2C8_MASTER
|
||||
lpc54_i2c_register(8, I2C8NDX);
|
||||
#endif
|
||||
#ifdef CONFIG_LPC54_I2C9_MASTER
|
||||
lpc54_i2c_register(9, I2C9NDX);
|
||||
#endif
|
||||
}
|
||||
|
||||
#endif /* HAVE_I2CTOOL */
|
||||
1003
drivers/input/ft5x06.c
Normal file
1003
drivers/input/ft5x06.c
Normal file
File diff suppressed because it is too large
Load Diff
196
drivers/input/ft5x06.h
Normal file
196
drivers/input/ft5x06.h
Normal file
@ -0,0 +1,196 @@
|
||||
/****************************************************************************
|
||||
* drivers/input/ft5x06.h
|
||||
*
|
||||
* Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* References:
|
||||
* "FT5x06", FocalTech Systems Co., Ltd, D-FT5x06-1212-V4.0, Revised
|
||||
* Dec. 18, 2012
|
||||
*
|
||||
* Some of this driver was developed with input from NXP sample code for
|
||||
* the LPCXpresso-LPC54628 baord. That sample code as a compatible BSD
|
||||
* license:
|
||||
*
|
||||
* Copyright (c) 2016, Freescale Semiconductor, Inc.
|
||||
* Copyright 2016-2017 NXP
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/* The FT5x06 Series ICs are single-chip capacitive touch panel controller
|
||||
* ICs with a built-in 8 bit Micro-controller unit (MCU). They adopt the
|
||||
* mutual capacitance approach, which supports true multi-touch capability.
|
||||
* In conjunction with a mutual capacitive touch panel, the FT5x06 have
|
||||
* user-friendly input functions, which can be applied on many portable
|
||||
* devices, such as cellular phones, MIDs, netbook and notebook personal
|
||||
* computers.
|
||||
*/
|
||||
|
||||
#ifndef __DRIVERS_INPUT_FT5X06_H
|
||||
#define __DRIVERS_INPUT_FT5X06_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
|
||||
/* WARNING: Some definitions may apply only to the FT5336 */
|
||||
/* FT5x06 maximum number of simultaneously detected touches. */
|
||||
|
||||
#define FT5x06_MAX_TOUCHES (5)
|
||||
|
||||
/* FT5x06 raw touch data length. */
|
||||
|
||||
#define FT5x06_TOUCH_DATA_LEN (0x20)
|
||||
|
||||
/* FT5x06 register addresses */
|
||||
|
||||
#define FT5x06_TOUCH_MODE_REG (0x00) /* Mode register */
|
||||
#define FT5x06_TOUCH_GESTID_REG (0x01) /* Gesture ID register */
|
||||
#define FT5x06_TOUCH_STAT_REG (0x02) /* Touch data status */
|
||||
/* See struct ft5x06_touch_point_s */
|
||||
#define FT5x06_TH_GROUP_REG (0x80) /* Threshold for touch detection */
|
||||
#define FT5x06_TH_DIFF_REG (0x85) /* Filter function coefficients */
|
||||
#define FT5x06_CTRL_REG (0x86) /* Control register */
|
||||
#define FT5x06_TIMEENTERMONITOR_REG (0x87) /* Time switching Active to Monitor */
|
||||
#define FT5x06_PERIODACTIVE_REG (0x88) /* Report rate in Active mode */
|
||||
#define FT5x06_PERIODMONITOR_REG (0x89) /* Report rate in Monitor mode */
|
||||
#define FT5x06_RADIAN_VALUE_REG (0x91) /* Minimum allowing angle */
|
||||
#define FT5x06_OFFSET_LEFT_RIGHT_REG (0x92) /* Mimimum offset */
|
||||
#define FT5x06_OFFSET_UP_DOWN_REG (0x93) /* Maximum offset */
|
||||
#define FT5x06_DISTANCE_LEFT_RIGHT_REG (0x94) /* Minimum distance */
|
||||
#define FT5x06_DISTANCE_UP_DOWN_REG (0x95) /* Minimum distance */
|
||||
#define FT5x06_DISTANCE_ZOOM_REG (0x96) /* Maximum distance */
|
||||
#define FT5x06_LIB_VER_H_REG (0xa1) /* MS LIB version */
|
||||
#define FT5x06_LIB_VER_L_REG (0xa2) /* LS LIB version */
|
||||
#define FT5x06_CIPHER_REG (0xa3) /* Chip selecting */
|
||||
#define FT5x06_GMODE_REG (0xa4) /* Interrupt mode */
|
||||
#define FT5x06_PWR_MODE_REG (0xa5) /* Power mode */
|
||||
#define FT5x06_FIRMID_REG (0xa6) /* Firmware version */
|
||||
#define FT5x06_CHIP_ID_REG (0xa8) /* Chip ID */
|
||||
#define FT5x06_RELEASE_CODE_ID_REG (0xaf) /* Release code version */
|
||||
#define FT5x06_STATE_REG (0xbc) /* Current operating mode */
|
||||
|
||||
#define FT5x06_TOUCH_DATA_STARTREG (1) /* Address where data begins */
|
||||
|
||||
/* Possible values of the DEV_MODE register */
|
||||
|
||||
#define FT5x06_DEV_MODE_WORKING (0x00)
|
||||
#define FT5x06_DEV_MODE_FACTORY (0x04)
|
||||
|
||||
/* Possible values of the GEST_ID register */
|
||||
|
||||
#define FT5x06_GEST_ID_NO_GESTURE (0x00)
|
||||
#define FT5x06_GEST_ID_MOVE_UP (0x10)
|
||||
#define FT5x06_GEST_ID_MOVE_RIGHT (0x14)
|
||||
#define FT5x06_GEST_ID_MOVE_DOWN (0x18)
|
||||
#define FT5x06_GEST_ID_MOVE_LEFT (0x1C)
|
||||
#define FT5x06_GEST_ID_SINGLE_CLICK (0x20)
|
||||
#define FT5x06_GEST_ID_DOUBLE_CLICK (0x22)
|
||||
#define FT5x06_GEST_ID_ROTATE_CLOCKWISE (0x28)
|
||||
#define FT5x06_GEST_ID_ROTATE_C_CLOCKWISE (0x29)
|
||||
#define FT5x06_GEST_ID_ZOOM_IN (0x40)
|
||||
#define FT5x06_GEST_ID_ZOOM_OUT (0x49)
|
||||
|
||||
/* Values related to FT5x06_CTRL_REG */
|
||||
|
||||
#define FT5x06_CTRL_KEEP_ACTIVE_MODE (0x00)
|
||||
#define FT5x06_CTRL_KEEP_AUTO_SWITCH_MONITOR_MODE (0x01)
|
||||
|
||||
/* Possible values of FT5x06_GMODE_REG */
|
||||
|
||||
#define FT5x06_G_MODE_INTERRUPT_POLLING (0x00)
|
||||
#define FT5x06_G_MODE_INTERRUPT_TRIGGER (0x01)
|
||||
|
||||
/* Possible values of FT5x06_CHIP_ID_REG */
|
||||
|
||||
#define FT5x06_ID_VALUE (0x51)
|
||||
|
||||
/* Operations on struct ft5x06_touch_point_s */
|
||||
|
||||
#define TOUCH_POINT_GET_EVENT(t) ((t).xh >> 6)
|
||||
#define TOUCH_POINT_GET_ID(t) ((t).yh >> 4)
|
||||
#define TOUCH_POINT_GET_X(t) ((((t).xh & 0x0f) << 8) | (t).xl)
|
||||
#define TOUCH_POINT_GET_Y(t) ((((t).yh & 0x0f) << 8) | (t).yl)
|
||||
|
||||
/****************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************/
|
||||
|
||||
enum touch_event_e
|
||||
{
|
||||
FT5x06_DOWN = 0, /* The state changed to touched */
|
||||
FT5x06_UP = 1, /* The state changed to not touched */
|
||||
FT5x06_CONTACT = 2, /* There is a continuous touch being detected */
|
||||
FT5x06_INVALID = 3 /* No touch information available */
|
||||
};
|
||||
|
||||
/* Describes on touchpoint returned by the FT5x06 */
|
||||
|
||||
struct ft5x06_touch_point_s
|
||||
{
|
||||
uint8_t xh;
|
||||
uint8_t xl;
|
||||
uint8_t yh;
|
||||
uint8_t yl;
|
||||
uint8_t weight;
|
||||
uint8_t area;
|
||||
};
|
||||
|
||||
/* Describes all touch data returned by the FT5x06 */
|
||||
|
||||
struct ft5x06_touch_data_s
|
||||
{
|
||||
uint8_t gestid; /* Gesture ID */
|
||||
uint8_t tdstatus; /* Touch status */
|
||||
struct ft5x06_touch_point_s touch[FT5x06_MAX_TOUCHES];
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef __cplusplus
|
||||
#define EXTERN extern "C"
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
#undef EXTERN
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* __DRIVERS_INPUT_FT5X06_H */
|
||||
182
include/nuttx/input/ft5x06.h
Normal file
182
include/nuttx/input/ft5x06.h
Normal file
@ -0,0 +1,182 @@
|
||||
/****************************************************************************
|
||||
* include/nuttx/input/ft5x06.h
|
||||
*
|
||||
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* References:
|
||||
* "FT5x06", FocalTech Systems Co., Ltd, D-FT5x06-1212-V4.0, Revised
|
||||
* Dec. 18, 2012
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
/* The FT5x06 Series ICs are single-chip capacitive touch panel controller
|
||||
* ICs with a built-in 8 bit Micro-controller unit (MCU). They adopt the
|
||||
* mutual capacitance approach, which supports true multi-touch capability.
|
||||
* In conjunction with a mutual capacitive touch panel, the FT5x06 have
|
||||
* user-friendly input functions, which can be applied on many portable
|
||||
* devices, such as cellular phones, MIDs, netbook and notebook personal
|
||||
* computers.
|
||||
*/
|
||||
|
||||
#ifndef __INCLUDE_NUTTX_INPUT_FT5X06_H
|
||||
#define __INCLUDE_NUTTX_INPUT_FT5X06_H
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#include <nuttx/irq.h>
|
||||
#include <nuttx/i2c/i2c_master.h>
|
||||
|
||||
#ifdef CONFIG_INPUT_FT5X06
|
||||
|
||||
/****************************************************************************
|
||||
* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
/* Configuration ************************************************************/
|
||||
/* Maximum number of threads than can be waiting for POLL events */
|
||||
|
||||
#ifndef CONFIG_FT5X06_NPOLLWAITERS
|
||||
# define CONFIG_FT5X06_NPOLLWAITERS 2
|
||||
#endif
|
||||
|
||||
/* Check for some required settings. This can save the user a lot of time
|
||||
* in getting the right configuration.
|
||||
*/
|
||||
|
||||
#ifdef CONFIG_DISABLE_SIGNALS
|
||||
# error "Signals are required. CONFIG_DISABLE_SIGNALS must not be selected."
|
||||
#endif
|
||||
|
||||
#ifndef CONFIG_SCHED_WORKQUEUE
|
||||
# error "Work queue support required. CONFIG_SCHED_WORKQUEUE must be selected."
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Public Types
|
||||
****************************************************************************/
|
||||
/* The FT5x08 provides two interrupts pins:
|
||||
*
|
||||
* INT -A n interrupt signal to inform the host processor that touch data
|
||||
* is ready for ready to be read.
|
||||
* WAKE - An interrupt signal for the host to change FT5x06 from Hibernate
|
||||
* to Active mode.
|
||||
*
|
||||
* A value from this enumeration must be passed to each interrupt-related
|
||||
* interface method to distinguish the interrupt sources.
|
||||
*/
|
||||
|
||||
enum ft5x06_irqsource_e
|
||||
{
|
||||
FT5X06_DATA_SOURCE = 0,
|
||||
FT5X06_WAKE_SOURCE,
|
||||
};
|
||||
|
||||
/* A reference to a structure of this type must be passed to the FT5X06
|
||||
* driver. This structure provides information about the configuration
|
||||
* of the FT5x06 and provides some board-specific hooks.
|
||||
*
|
||||
* Memory for this structure is provided by the caller. It is not copied
|
||||
* by the driver and is presumed to persist while the driver is active. The
|
||||
* memory must be writeable because, under certain circumstances, the driver
|
||||
* may modify frequency or X plate resistance values.
|
||||
*/
|
||||
|
||||
struct ft5x06_config_s
|
||||
{
|
||||
/* Device characterization */
|
||||
|
||||
uint8_t address; /* 7-bit I2C address (only bits 0-6 used) */
|
||||
uint32_t frequency; /* Default I2C frequency */
|
||||
|
||||
/* IRQ/GPIO access callbacks. These operations all hidden behind
|
||||
* callbacks to isolate the FT5X06 driver from differences in GPIO
|
||||
* interrupt handling by varying boards and MCUs.
|
||||
*
|
||||
* attach - Attach an FT5x06 interrupt handler to a GPIO interrupt
|
||||
* enable - Enable or disable a GPIO interrupt
|
||||
* clear - Acknowledge/clear any pending GPIO interrupt
|
||||
* nreset - Control the chip reset pin (active low)
|
||||
*/
|
||||
|
||||
int (*attach)(FAR const struct ft5x06_config_s *config,
|
||||
enum ft5x06_irqsource_e irqsrc, xcpt_t isr, FAR void *arg);
|
||||
void (*enable)(FAR const struct ft5x06_config_s *config,
|
||||
enum ft5x06_irqsource_e irqsrc, bool enable);
|
||||
void (*clear)(FAR const struct ft5x06_config_s *config,
|
||||
enum ft5x06_irqsource_e irqsrc);
|
||||
void (*nreset)(FAR const struct ft5x06_config_s *config,
|
||||
bool state);
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
* Public Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
#ifdef __cplusplus
|
||||
#define EXTERN extern "C"
|
||||
extern "C"
|
||||
{
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: ft5x06_register
|
||||
*
|
||||
* Description:
|
||||
* Configure the FT5x06 to use the provided I2C device instance. This
|
||||
* will register the driver as /dev/inputN where N is the minor device
|
||||
* number
|
||||
*
|
||||
* Input Parameters:
|
||||
* i2c - An I2C driver instance
|
||||
* config - Persistent board configuration data
|
||||
* minor - The input device minor number
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero is returned on success. Otherwise, a negated errno value is
|
||||
* returned to indicate the nature of the failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int ft5x06_register(FAR struct i2c_master_s *i2c,
|
||||
FAR const struct ft5x06_config_s *config, int minor);
|
||||
|
||||
#undef EXTERN
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* CONFIG_INPUT_FT5X06 */
|
||||
#endif /* __INCLUDE_NUTTX_INPUT_FT5X06_H */
|
||||
Loading…
Reference in New Issue
Block a user