qt_i2c.h File Reference

QTouch component driver with I2C interface.

Copyright (c) 2013-2018 Microchip Technology Inc. and its subsidiaries.

#include "compiler.h"
#include "status_codes.h"
#include "twi_master.h"
#include "conf_qt_i2c.h"

Macros
#define	BOARD_QT_DEVICE_ADDRESS   0 /* QTouch device address */
#define	BOARD_QT_TWI_INSTANCE   0 /* TWI instance */
	Checking board configuration of the QTouch device. More...
#define	QT2160   1
	AT42QT2160 device support. More...

Functions
enum status_code	qt_get_comm_ready (void)
	Check communication is ready and able to read Chip ID. More...
enum status_code	qt_get_status (struct qt_status *qt_status)
	Get all status from QT device. More...
void	qt_hardware_reset (void)
	Perform a hardware reset of the QT device. More...
bool	qt_is_change_line_low (void)
	Check if the CHANGE line is low level. More...
enum status_code	qt_read_regs (uint8_t reg_addr, uint8_t *read_buffer, uint8_t length)
	Read registers content from QT device. More...
enum status_code	qt_read_setup_block (struct qt_setup_block *setup_block)
	Read entire setup block from QT device. More...
enum status_code	qt_write_regs (uint8_t reg_addr, uint8_t *write_buffer, uint8_t length)
	Write content to QT device registers. More...
enum status_code	qt_write_setup_block (struct qt_setup_block *setup_block)
	Write entire setup block to QT device. More...