186 lines
4.8 KiB
C
186 lines
4.8 KiB
C
/**
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* @file STMPE610.h
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*/
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#ifndef STMPE610_H
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#define STMPE610_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#include <stdint.h>
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#include <stdbool.h>
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#ifdef LV_LVGL_H_INCLUDE_SIMPLE
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#include "lvgl.h"
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#else
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#include "lvgl/lvgl.h"
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#endif
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/*********************
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* DEFINES
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*********************/
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/** 16-bit Chip Version **/
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#define STMPE_CHIP_ID 0x00
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/** Reset Control **/
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#define STMPE_SYS_CTRL1 0x03
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#define STMPE_SYS_CTRL1_RESET 0x02
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/** Clock Contrl **/
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#define STMPE_SYS_CTRL2 0x04
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/** SPI Config **/
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#define STMPE_SPI_CFG 0x08
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#define STMPE_SPI_CFG_MODE0 0x00
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#define STMPE_SPI_CFG_MODE1 0x01
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#define STMPE_SPI_CFG_MODE2 0x02
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#define STMPE_SPI_CFG_MODE3 0x03
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#define STMPE_SPI_CFG_AA 0x04
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/** Touchscreen controller setup **/
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#define STMPE_TSC_CTRL 0x40
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#define STMPE_TSC_CTRL_EN 0x01
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#define STMPE_TSC_CTRL_XYZ 0x00
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#define STMPE_TSC_CTRL_XY 0x02
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#define STEMP_TSC_CTRL_TRACK_0 0x00
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#define STEMP_TSC_CTRL_TRACK_4 0x10
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#define STEMP_TSC_CTRL_TRACK_8 0x20
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#define STEMP_TSC_CTRL_TRACK_16 0x30
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#define STEMP_TSC_CTRL_TRACK_32 0x40
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#define STEMP_TSC_CTRL_TRACK_64 0x50
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#define STEMP_TSC_CTRL_TRACK_92 0x60
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#define STEMP_TSC_CTRL_TRACK_127 0x70
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#define STMPE_TSC_TOUCHED 0x80
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/** Interrupt control **/
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#define STMPE_INT_CTRL 0x09
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#define STMPE_INT_CTRL_POL_HIGH 0x04
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#define STMPE_INT_CTRL_POL_LOW 0x00
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#define STMPE_INT_CTRL_EDGE 0x02
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#define STMPE_INT_CTRL_LEVEL 0x00
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#define STMPE_INT_CTRL_ENABLE 0x01
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#define STMPE_INT_CTRL_DISABLE 0x00
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/** Interrupt enable **/
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#define STMPE_INT_EN 0x0A
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#define STMPE_INT_EN_TOUCHDET 0x01
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#define STMPE_INT_EN_FIFOTH 0x02
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#define STMPE_INT_EN_FIFOOF 0x04
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#define STMPE_INT_EN_FIFOFULL 0x08
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#define STMPE_INT_EN_FIFOEMPTY 0x10
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#define STMPE_INT_EN_ADC 0x40
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#define STMPE_INT_EN_GPIO 0x80
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/** Interrupt status **/
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#define STMPE_INT_STA 0x0B
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#define STMPE_INT_STA_TOUCHDET 0x01
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/** ADC control **/
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#define STMPE_ADC_CTRL1 0x20
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#define STMPE_ADC_CTRL1_INT 0x00
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#define STMPE_ADC_CTRL1_EXT 0x02
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#define STMPE_ADC_CTRL1_12BIT 0x08
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#define STMPE_ADC_CTRL1_10BIT 0x00
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#define STMPE_ADC_CTRL1_36CLK 0x00
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#define STMPE_ADC_CTRL1_44CLK 0x10
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#define STMPE_ADC_CTRL1_56CLK 0x20
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#define STMPE_ADC_CTRL1_64CLK 0x30
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#define STMPE_ADC_CTRL1_80CLK 0x40
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#define STMPE_ADC_CTRL1_96CLK 0x50
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#define STMPE_ADC_CTRL1_124CLK 0x60
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/** ADC control **/
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#define STMPE_ADC_CTRL2 0x21
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#define STMPE_ADC_CTRL2_1_625MHZ 0x00
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#define STMPE_ADC_CTRL2_3_25MHZ 0x01
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#define STMPE_ADC_CTRL2_6_5MHZ 0x02
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/** Touchscreen controller configuration **/
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#define STMPE_TSC_CFG 0x41
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#define STMPE_TSC_CFG_1SAMPLE 0x00
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#define STMPE_TSC_CFG_2SAMPLE 0x40
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#define STMPE_TSC_CFG_4SAMPLE 0x80
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#define STMPE_TSC_CFG_8SAMPLE 0xC0
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#define STMPE_TSC_CFG_DELAY_10US 0x00
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#define STMPE_TSC_CFG_DELAY_50US 0x08
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#define STMPE_TSC_CFG_DELAY_100US 0x10
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#define STMPE_TSC_CFG_DELAY_500US 0x18
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#define STMPE_TSC_CFG_DELAY_1MS 0x20
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#define STMPE_TSC_CFG_DELAY_5MS 0x28
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#define STMPE_TSC_CFG_DELAY_10MS 0x30
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#define STMPE_TSC_CFG_DELAY_50MS 0x38
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#define STMPE_TSC_CFG_SETTLE_10US 0x00
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#define STMPE_TSC_CFG_SETTLE_100US 0x01
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#define STMPE_TSC_CFG_SETTLE_500US 0x02
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#define STMPE_TSC_CFG_SETTLE_1MS 0x03
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#define STMPE_TSC_CFG_SETTLE_5MS 0x04
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#define STMPE_TSC_CFG_SETTLE_10MS 0x05
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#define STMPE_TSC_CFG_SETTLE_50MS 0x06
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#define STMPE_TSC_CFG_SETTLE_100MS 0x07
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/** FIFO level to generate interrupt **/
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#define STMPE_FIFO_TH 0x4A
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/** Current filled level of FIFO **/
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#define STMPE_FIFO_SIZE 0x4C
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/** Current status of FIFO **/
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#define STMPE_FIFO_STA 0x4B
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#define STMPE_FIFO_STA_RESET 0x01
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#define STMPE_FIFO_STA_OFLOW 0x80
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#define STMPE_FIFO_STA_FULL 0x40
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#define STMPE_FIFO_STA_EMPTY 0x20
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#define STMPE_FIFO_STA_THTRIG 0x10
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/** Touchscreen controller drive I **/
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#define STMPE_TSC_I_DRIVE 0x58
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#define STMPE_TSC_I_DRIVE_20MA 0x00
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#define STMPE_TSC_I_DRIVE_50MA 0x01
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/** Data port for TSC data address **/
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#define STMPE_TSC_DATA_X 0x4D
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#define STMPE_TSC_DATA_Y 0x4F
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#define STMPE_TSC_DATA_Z 0x51
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#define STMPE_TSC_FRACTION_Z 0x56
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/** GPIO **/
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#define STMPE_GPIO_SET_PIN 0x10
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#define STMPE_GPIO_CLR_PIN 0x11
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#define STMPE_GPIO_DIR 0x13
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#define STMPE_GPIO_ALT_FUNCT 0x17
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/** Calibration Constants **/
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#define STMPE610_X_MIN CONFIG_LV_TOUCH_X_MIN
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#define STMPE610_Y_MIN CONFIG_LV_TOUCH_Y_MIN
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#define STMPE610_X_MAX CONFIG_LV_TOUCH_X_MAX
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#define STMPE610_Y_MAX CONFIG_LV_TOUCH_Y_MAX
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#define STMPE610_XY_SWAP CONFIG_LV_TOUCH_XY_SWAP
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#define STMPE610_X_INV CONFIG_LV_TOUCH_INVERT_X
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#define STMPE610_Y_INV CONFIG_LV_TOUCH_INVERT_Y
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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void stmpe610_init(void);
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bool stmpe610_read(lv_indev_drv_t * drv, lv_indev_data_t * data);
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/**********************
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* MACROS
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**********************/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* STMPE610_H */
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