More STM3240G-EVAL LCD updates

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4665 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2012-04-27 18:29:04 +00:00
parent a1fc590b94
commit f89aa44153
5 changed files with 518 additions and 2 deletions

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@ -1259,6 +1259,12 @@ CONFIG_LCD_LANDSCAPE=n
CONFIG_LCD_PORTRAIT=n CONFIG_LCD_PORTRAIT=n
CONFIG_LCD_RPORTRAIT=y CONFIG_LCD_RPORTRAIT=y
#
# STM3240G-EVAL specific LCD settings
#
CONFIG_STM32_ILI9320_DISABLE=n
CONFIG_STM32_ILI9325_DISABLE=n
# #
# Settings for examples/uip # Settings for examples/uip
# #

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@ -1259,6 +1259,13 @@ CONFIG_LCD_LANDSCAPE=y
CONFIG_LCD_PORTRAIT=n CONFIG_LCD_PORTRAIT=n
CONFIG_LCD_RPORTRAIT=n CONFIG_LCD_RPORTRAIT=n
#
# STM3240G-EVAL specific LCD settings
#
CONFIG_STM32_ILI9320_DISABLE=n
CONFIG_STM32_ILI9325_DISABLE=n
# #
# Settings for examples/uip # Settings for examples/uip
# #

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@ -914,7 +914,7 @@ static inline void stm3240g_lcdinitialize(void)
{ {
uint16_t id; uint16_t id;
/* Check if the LCD is xxx Controller (or the compatible) */ /* Check LCD ID */
id = stm3240g_readreg(LCD_REG_0); id = stm3240g_readreg(LCD_REG_0);
lcddbg("LCD ID: %04x\n", id); lcddbg("LCD ID: %04x\n", id);
@ -1197,6 +1197,6 @@ void stm3240g_lcdclear(uint16_t color)
for (i = 0; i < STM3240G_XRES * STM3240G_YRES; i++) for (i = 0; i < STM3240G_XRES * STM3240G_YRES; i++)
{ {
LCD->value = color; LCD->value = color;
} }
} }

71
drivers/input/stmpe11.h Normal file
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@ -0,0 +1,71 @@
/********************************************************************************************
* drivers/input/stmpe11.h
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* References:
* "STMPE811 S-Touch® advanced resistive touchscreen controller with 8-bit
* GPIO expander," Doc ID 14489 Rev 6, CD00186725, STMicroelectronics"
*
* 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.
*
********************************************************************************************/
#ifndef __DRIVERS_INPUT_STMPE11_H
#define __DRIVERS_INPUT_STMPE11_H
/********************************************************************************************
* Included Files
********************************************************************************************/
/********************************************************************************************
* Pre-Processor Definitions
********************************************************************************************/
/********************************************************************************************
* Public Types
********************************************************************************************/
/********************************************************************************************
* Public Function Prototypes
********************************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __DRIVERS_INPUT_STMPE11_H */

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@ -0,0 +1,432 @@
/********************************************************************************************
* include/nuttx/input/stmpe11.h
*
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* References:
* "STMPE811 S-Touch® advanced resistive touchscreen controller with 8-bit
* GPIO expander," Doc ID 14489 Rev 6, CD00186725, STMicroelectronics"
*
* 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.
*
********************************************************************************************/
#ifndef __INCLUDE_NUTTX_INPUT_STMPE11_H
#define __INCLUDE_NUTTX_INPUT_STMPE11_H
/********************************************************************************************
* Included Files
********************************************************************************************/
#include <nuttx/config.h>
#include <nuttx/i2c.h>
#include <nuttx/spi.h>
#if defined(CONFIG_INPUT) && defined(CONFIG_INPUT_STMPE11)
/********************************************************************************************
* Pre-Processor Definitions
********************************************************************************************/
/* Configuration ****************************************************************************/
/* The STMPE811 interfaces with the host CPU via a I2C or SPI interface. The pin IN_1 allows
* the selection of interface protocol at reset state.
*/
#if !defined(CONFIG_STMPE11_SPI) && !defined(CONFIG_STMPE11_I2C)
# error "One of CONFIG_STMPE11_SPI or CONFIG_STMPE11_I2C must be defined"
#endif
#if defined(CONFIG_STMPE11_SPI) && defined(CONFIG_STMPE11_I2C)
# error "Only one of CONFIG_STMPE11_SPI or CONFIG_STMPE11_I2C can be defined"
#endif
/* Maximum number of threads than can be waiting for POLL events */
#ifndef CONFIG_STMPE11_NPOLLWAITERS
# define CONFIG_STMPE11_NPOLLWAITERS 2
#endif
/* Check for some required settings. This can save the user a lot of time
* in getting the right configuration.
*/
#ifndef CONFIG_I2C_TRANSFER
# error "CONFIG_I2C_TRANSFER is required in the I2C configuration"
#endif
#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
/* I2C **************************************************************************************/
/* STMPE11 Address: The STMPE11 may have 7-bit address 0x41 or 0x44, depending upon the
* state of the ADDR0 pin.
*/
#define STMPE11_I2C_ADDRESS_MASK (0x78) /* Bits 3-7: Invariant part of STMPE11 address */
#define STMPE11_I2C_ADDRESS (0x40) /* Bits 3-7: Always set at '0100 0xxR' */
#define STMPE11_I2C_A1 (1 << 2) /* Bit 2: A1 */
#define STMPE11_I2C_A0 (1 << 1) /* Bit 1: A0 */
#define STMPE11_I2C_READ (1 << 0) /* Bit 0=1: Selects read operation */
#define STMPE11_I2C_WRITE (0) /* Bit 0=0: Selects write operation */
/* I2C frequency */
#define STMPE11_I2C_MAXFREQUENCY 400000 /* 400KHz */
/* SPI **************************************************************************************/
/* The device always operates in mode 0 */
#define STMPE11_SPI_MODE SPIDEV_MODE0 /* Mode 0 */
/* I2C frequency */
#define STMPE11_SPI_MAXFREQUENCY 1000000 /* 1MHz */
/* STMPE11 Registers ************************************************************************/
/* Register Addresses */
#define STMPE11_CHIP_ID 0x00 /* Device identification (16-bit) */
#define STMPE11_ID_VER 0x02 /* Revision number: 0x01=sample 0x03=final silicon */
#define STMPE11_SYS_CTRL1 0x03 /* Reset control */
#define STMPE11_SYS_CTRL2 0x04 /* Clock control */
#define STMPE11_SPI_CFG 0x08 /* SPI interface configuration */
#define STMPE11_INT_CTRL 0x09 /* Interrupt control register */
#define STMPE11_INT_EN 0x0a /* Interrupt enable register */
#define STMPE11_INT_STA 0x0b /* Interrupt status register */
#define STMPE11_GPIO_EN 0x0c /* GPIO interrupt enable register */
#define STMPE11_GPIO_INTSTA 0x0d /* GPIO interrupt status register */
#define STMPE11_ADC_INTEN 0x0e /* ADC interrupt enable register */
#define STMPE11_ADC_INTSTA 0x0f /* ADC interrupt status register */
#define STMPE11_GPIO_SETPIN 0x10 /* GPIO set pin register */
#define STMPE11_GPIO_CLRPIN 0x11 /* GPIO clear pin register */
#define STMPE11_GPIO_MPSTA 0x12 /* GPIO monitor pin state register */
#define STMPE11_GPIO_DIR 0x13 /* GPIO direction register */
#define STMPE11_GPIO_ED 0x14 /* GPIO edge detect register */
#define STMPE11_GPIO_RE 0x15 /* GPIO rising edge register */
#define STMPE11_GPIO_FE 0x16 /* GPIO falling edge register */
#define STMPE11_GPIO_AF 0x17 /* Alternate function register */
#define STMPE11_ADC_CTRL1 0x20 /* ADC control */
#define STMPE11_ADC_CTRL2 0x21 /* ADC control */
#define STMPE11_ADC_CAPT 0x22 /* To initiate ADC data acquisition */
#define STMPE11_ADC_DATACH0 0x30 /* ADC channel 0 (16-bit) */
#define STMPE11_ADC_DATACH1 0x32 /* ADC channel 1 (16_bit) */
#define STMPE11_ADC_DATACH2 0x34 /* ADC channel 2 (16-bit) */
#define STMPE11_ADC_DATACH3 0x36 /* ADC channel 3 (16-bit) */
#define STMPE11_ADC_DATACH4 0x38 /* ADC channel 4 (16-bit) */
#define STMPE11_ADC_DATACH5 0x3a /* ADC channel 5 (16-bit) */
#define STMPE11_ADC_DATACH6 0x3c /* ADC channel 6 (16-bit) */
#define STMPE11_ADC_DATACH7 0x3e /* ADC channel 7 (16-bit) */
#define STMPE11_TSC_CTRL 0x40 /* 4-wire touchscreen controller setup */
#define STMPE11_TSWC_CFG 0x41 /* Touchscreen controller configuration */
#define STMPE11_WDW_TRX 0x42 /* Window setup for top right X (16-bit) */
#define STMPE11_WDW_TRY 0x44 /* Window setup for top right Y (16-bit) */
#define STMPE11_WDW_BLX 0x46 /* Window setup for bottom left X (16-bit) */
#define STMPE11_WDW_BLY 0x48 /* Window setup for bottom left Y (16-bit) */
#define STMPE11_FIFO_TH 0x4a /* FIFO level to generate interrupt */
#define STMPE11_FIFO_STA 0x4b /* Current status of FIFO */
#define STMPE11_FIFO_SIZE 0x4c /* Current filled level of FIFO */
#define STMPE11_TSC_DATAX 0x4d /* Data port for touchscreen (16-bit) */
#define STMPE11_TSC_DATAY 0x4f /* Data port for touchscreen (16-bit) */
#define STMPE11_TSC_DATAZ 0x51 /* Data port for touchscreen */
#define STMPE11_TSC_DATAXYZ 0x52 /* Data port for touchscreen (32-bit) */
#define STMPE11_TSC_FRACTIONZ 0x56 /* Touchscreen controller FRACTION_Z */
#define STMPE11_TSC_DATA 0x57 /* Data port for touchscreen */
#define STMPE11_TSC_IDRIVE 0x58 /* Touchscreen controller drive I */
#define STMPE11_TSC_SHIELD 0x59 /* Touchscreen controller shield */
#define STMPE11_TEMP_CTRL 0x60 /* Temperature sensor setup */
#define STMPE11_TEMP_DATA 0x61 /* Temperature data access port */
#define STMPE11_TEMP_TH 0x62 /* Threshold for temperature controlled interrupt */
/* Register bit definitions */
/* Device identification (16-bit) */
#define CHIP_ID 0x0811
/* Revision number: 0x01=sample 0x03=final silicon */
#define ID_VER_SAMPLE 0x01
#define ID_VER_FINAL 0x03
/* Reset control */
#define SYS_CTRL1_HIBERNATE (1 << 0) /* Bit 0: Force the device into hibernation mode */
#define SYS_CTRL1_SOFTRESET (1 << 1) /* Bit 1: Reset the STMPE811 */
/* Clock control */
#define SYS_CTRL2_ADC_OFF (1 << 0) /* Bit 0: Switch off clock to ADC */
#define SYS_CTRL2_TSC_OFF (1 << 1) /* Bit 1: Switch off clock to touchscreen controller */
#define SYS_CTRL2_GPIO_OFF (1 << 2) /* Bit 2: Switch off clock to GPIO */
#define SYS_CTRL2_TS_OFF (1 << 3) /* Bit 3: Switch off clock to temperature sensor */
/* SPI interface configuration */
#define SPI_CFG_SPI_CLK_MOD0 (1 << 0) /* Bit 0: Value of SCAD/A0 pin at power-up reset */
#define SPI_CFG_SPI_CLK_MOD1 (1 << 1) /* Bit 1: Value of SCAD/A0 pin at power-up reset */
#define SPI_CFG_AUTO_INCR (1 << 2) /* Bit 2: Enable internally autoincremented addressing */
/* Interrupt control register */
#define INT_CTRL_GLOBAL_INT (1 << 0) /* Bit 0: Master interrupt enable */
#define INT_CTRL_INT_TYPE (1 << 1) /* Bit 1: Type of interrupt signal. 1=edge */
#define INT_CTRL_INT_POLARITY (1 << 2) /* Bit 2: Interrupt pin polarity. 1=active high */
/* Interrupt enable/status register */
#define INT_TOUCH_DET (1 << 0) /* Bit 0: Touch is detected */
#define INT_FIFO_TH (1 << 1) /* Bit 1: FIFO is equal or above threshold value */
#define INT_FIFO_OFLOW (1 << 2) /* Bit 2: FIFO is overflowed */
#define INT_FIFO_FULL (1 << 3) /* Bit 3: FIFO is full */
#define INT_FIFO_EMPTY (1 << 4) /* Bit 4: FIFO is empty */
#define INT_TEMP_SENS (1 << 5) /* Bit 5: Temperature threshold triggering */
#define INT_ADC (1 << 6) /* Bit 6: Any enabled ADC interrupts */
#define INT_GPIO (1 << 7) /* Bit 7: Any enabled GPIO interrupts */
/* GPIO interrupt enable/status register */
#define GPIO_INT(n) (1 << (n))
/* ADC interrupt enable/status register */
#define ADC_INT(n) (1 << (n))
/* GPIO set/clear/sta/dir/edge/rising/falling/af registers */
#define GPIO_PIN(n) (1 << (n))
/* ADC control */
#define ADC_CTRL1_REF_SEL (1 << 1) /* Bit 1: Selects internal/external, 1=external */
#define ADC_CTRL1_MOD_12B (1 << 3) /* Bit 3: Selects 10/12-bit ADC operation, 1=12-bit */
#define ADC_CTRL1_SAMPLE_TIME_SHIFT (4) /* Bits 4-6: ADC conversion time in number of clock */
#define ADC_CTRL1_SAMPLE_TIME_MASK (7 << ADC_CTRL1_SAMPLE_TIME_SHIFT)
# define ADC_CTRL1_SAMPLE_TIME_36 (0 << ADC_CTRL1_SAMPLE_TIME_SHIFT)
# define ADC_CTRL1_SAMPLE_TIME_44 (1 << ADC_CTRL1_SAMPLE_TIME_SHIFT)
# define ADC_CTRL1_SAMPLE_TIME_56 (2 << ADC_CTRL1_SAMPLE_TIME_SHIFT)
# define ADC_CTRL1_SAMPLE_TIME_64 (3 << ADC_CTRL1_SAMPLE_TIME_SHIFT)
# define ADC_CTRL1_SAMPLE_TIME_80 (4 << ADC_CTRL1_SAMPLE_TIME_SHIFT)
# define ADC_CTRL1_SAMPLE_TIME_96 (5 << ADC_CTRL1_SAMPLE_TIME_SHIFT)
# define ADC_CTRL1_SAMPLE_TIME_124 (6 << ADC_CTRL1_SAMPLE_TIME_SHIFT)
/* ADC control */
#define ADC_CTRL2_ADC_FREQ_SHIFT (0) /* Bits 0-1: Selects the clock speed of ADC */
#define ADC_CTRL2_ADC_FREQ_MASK (3 << ADC_CTRL2_ADC_FREQ_SHIFT)
# define ADC_CTRL2_ADC_FREQ_1p625 (0 << ADC_CTRL2_ADC_FREQ_SHIFT) /* 00: 1.625 MHz typ. */
# define ADC_CTRL2_ADC_FREQ_3p25 (1 << ADC_CTRL2_ADC_FREQ_SHIFT) /* 01: 3.25 MHz typ. */
# define ADC_CTRL2_ADC_FREQ_6.5 (2 << ADC_CTRL2_ADC_FREQ_SHIFT) /* 1x: 6.5 MHz typ. */
/* To initiate ADC data acquisition */
#define ADC_CAPT_CH(n) (1 << (n))
/* 4-wire touchscreen controller setup */
#define TSC_CTRL_EN (1 << 0) /* Bit 0: Enable TSC */
#define TSC_CTRL_OP_MOD_SHIFT (1) /* Bits 1-3: TSC operating mode */
#define TSC_CTRL_OP_MOD_MASK (7 << TSC_CTRL_OP_MOD_SHIFT)
# define TSC_CTRL_OP_MOD_XYZ (0 << TSC_CTRL_OP_MOD_SHIFT) /* 000: X, Y, Z acquisition */
# define TSC_CTRL_OP_MOD_XY (1 << TSC_CTRL_OP_MOD_SHIFT) /* 001: X, Y only */
# define TSC_CTRL_OP_MOD_X (2 << TSC_CTRL_OP_MOD_SHIFT) /* 010: X only */
# define TSC_CTRL_OP_MOD_Y (3 << TSC_CTRL_OP_MOD_SHIFT) /* 011: Y only */
# define TSC_CTRL_OP_MOD_Z (4 << TSC_CTRL_OP_MOD_SHIFT) /* 100: Z only */
#define TSC_CTRL_TRACK_SHIFT (4) /* Bits 4-6: Tracking index */
#define TSC_CTRL_TRACK_MASK (7 << TSC_CTRL_TRACK_SHIFT)
#define TSC_CTRL_TRACK_NONE (0 << TSC_CTRL_TRACK_SHIFT)
#define TSC_CTRL_TRACK_4 (1 << TSC_CTRL_TRACK_SHIFT)
#define TSC_CTRL_TRACK_8 (2 << TSC_CTRL_TRACK_SHIFT)
#define TSC_CTRL_TRACK_16 (3 << TSC_CTRL_TRACK_SHIFT)
#define TSC_CTRL_TRACK_32 (4 << TSC_CTRL_TRACK_SHIFT)
#define TSC_CTRL_TRACK_64 (5 << TSC_CTRL_TRACK_SHIFT)
#define TSC_CTRL_TRACK_92 (6 << TSC_CTRL_TRACK_SHIFT)
#define TSC_CTRL_TRACK_127 (7 << TSC_CTRL_TRACK_SHIFT)
#define TSC_CTRL_TSC_STA (1 << 7) /* Bit 7: TSC status. 1=touch detected */
/* Touchscreen controller configuration */
#define TSWC_CFG_SETTLING_SHIFT (0) /* Bits 0-2: Panel driver settling time */
#define TSWC_CFG_SETTLING_MASK (7 << TSWC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_10US (0 << TSWC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_100US (1 << TSWC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_500US (2 << TSWC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_1MS (3 << TSWC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_5MS (4 << TSWC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_10MS (5 << TSWC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_50MS (6 << TSWC_CFG_SETTLING_SHIFT)
# define TSWC_CFG_SETTLING_100MS (7 << TSWC_CFG_SETTLING_SHIFT)
#define TSWC_CFG_TOUCH_DELAY_SHIFT (1) /* Bits 3-5: Touch detect delay */
#define TSWC_CFG_TOUCH_DELAY_MASK (7 << TSWC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_10US (0 << TSWC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_50US (1 << TSWC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_100US (1 << TSWC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_500US (2 << TSWC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_1MS (3 << TSWC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_5MS (4 << TSWC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_10MS (5 << TSWC_CFG_TOUCH_DELAY_SHIFT)
# define TSWC_CFG_TOUCH_DELAY_50MS (6 << TSWC_CFG_TOUCH_DELAY_SHIFT)
#define TSWC_CFG_AVE_CTRL_SHIFT (6) /* Bits 6-7: Average control */
#define TSWC_CFG_AVE_CTRL_MASK (3 << TSWC_CFG_AVE_CTRL_SHIFT)
# define TSWC_CFG_AVE_CTRL_1SAMPLE (0 << TSWC_CFG_AVE_CTRL_SHIFT)
# define TSWC_CFG_AVE_CTRL_2SAMPLES (1 << TSWC_CFG_AVE_CTRL_SHIFT)
# define TSWC_CFG_AVE_CTRL_4SAMPLES (2 << TSWC_CFG_AVE_CTRL_SHIFT)
# define TSWC_CFG_AVE_CTRL_8SAMPLES (3 << TSWC_CFG_AVE_CTRL_SHIFT)
/* Current status of FIFO */
#define FIFO_STA_FIFO_RESET (1 << 0) /* Bit 0: Resets FIFO. All data in FIFO are cleared */
#define FIFO_STA_FIFO_TH_TRIG (1 << 4) /* Bit 0: 1 = FIFO size is at or beyond threshold */
#define FIFO_STA_FIFO_EMPTY (1 << 5) /* Bit 0: FIFO is empty */
#define FIFO_STA_FIFO_FULL (1 << 6) /* Bit 0: FIFO is full */
#define FIFO_STA_FIFO_OFLOW (1 << 7) /* Bit 0: FIFO is overflow */
/* Touchscreen controller FRACTION_Z */
#define TSC_FRACTIONZ_MASK 0x07
/* Touchscreen controller drive I */
#define TSC_IDRIVE (1 << 0) /* Bit 0: MAX current on TSC driving channel */
/* Touchscreen controller shield */
#define TSC_SHIELD_YM (1 << 0) /* Bit 0: Ground Y- */
#define TSC_SHIELD_YP (1 << 1) /* Bit 1: Ground Y+ */
#define TSC_SHIELD_XM (1 << 2) /* Bit 2: Ground X- */
#define TSC_SHIELD_XP (1 << 3) /* Bit 3: Ground X+ */
/* Temperature sensor setup */
#define TEMP_CTRL_ENABLE (1 << 0) /* Bit 0: Enable */
#define TEMP_CTRL_ACQ (1 << 1) /* Bit 1: Acquire */
#define TEMP_CTRL_ACQ_MOD (1 << 2) /* Bit 2: 0=once, 1=every 10MS */
#define TEMP_CTRL_THRES_EN (1 << 3) /* Bit 3: Threshold enable */
#define TEMP_CTRL_THRES_RANGE (1 << 4) /* Bit 4: temperature threshold enable, 0='>=' 1='<' */
/********************************************************************************************
* Public Types
********************************************************************************************/
/* A reference to a structure of this type must be passed to the STMPE11
* driver. This structure provides information about the configuration
* of the STMPE11 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 writable because, under certain circumstances, the driver
* may modify the frequency.
*/
struct stmpe11_config_s
{
/* Device characterization */
uint8_t address; /* 7-bit I2C address (only bits 0-6 used) */
uint32_t frequency; /* I2C frequency */
/* If multiple STMPE11 devices are supported, then an IRQ number must
* be provided for each so that their interrupts can be distinguished.
*/
#ifndef CONFIG_STMPE11_MULTIPLE
int irq; /* IRQ number received by interrupt handler. */
#endif
/* IRQ/GPIO access callbacks. These operations all hidden behind
* callbacks to isolate the STMPE11 driver from differences in GPIO
* interrupt handling by varying boards and MCUs. If possible,
* interrupts should be configured on both rising and falling edges
* so that contact and loss-of-contact events can be detected.
*
* attach - Attach the STMPE11 interrupt handler to the GPIO interrupt
* enable - Enable or disable the GPIO interrupt
* clear - Acknowledge/clear any pending GPIO interrupt
* pendown - Return the state of the pen down GPIO input
*/
int (*attach)(FAR struct stmpe11_config_s *state, xcpt_t isr);
void (*enable)(FAR struct stmpe11_config_s *state, bool enable);
void (*clear)(FAR struct stmpe11_config_s *state);
bool (*pendown)(FAR struct stmpe11_config_s *state);
};
/********************************************************************************************
* Public Function Prototypes
********************************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/********************************************************************************************
* Name: stmpe11_register
*
* Description:
* Configure the STMPE11 to use the provided I2C device instance. This
* will register the driver as /dev/inputN where N is the minor device
* number
*
* Input Parameters:
* dev - An I2C or SPI driver instance
* config - Persistant 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.
*
********************************************************************************************/
#ifdef CONFIG_STMPE11_SPI
EXTERN int stmpe11_register(FAR struct spi_dev_s *dev,
FAR struct stmpe11_config_s *config,
int minor);
#else
EXTERN int stmpe11_register(FAR struct i2c_dev_s *dev,
FAR struct stmpe11_config_s *config,
int minor);
#endif
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* CONFIG_INPUT && CONFIG_INPUT_STMPE11 */
#endif /* __INCLUDE_NUTTX_INPUT_STMPE11_H */