I2C_Drivers (ARM) 1.1
SMFSW collection of HAL I2C Drivers for ARM
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Data Structures | Macros | Enumerations | Functions
AT42QT1244.h File Reference

AT42QT1244 Driver. More...

#include "sarmfsw.h"
#include "I2C_component.h"
#include "I2C_peripheral.h"
#include "AT42QT1244_proc.h"
#include "AT42QT1244_ex.h"
Include dependency graph for AT42QT1244.h:
This graph shows which files directly or indirectly include this file:

Data Structures

union  uAT42QT_REG__KEY_DATA
 
union  uAT42QT_REG__DEVICE_STATUS
 
union  uAT42QT_REG__SETUP_141_164
 
union  uAT42QT_REG__SETUP_165_188
 
union  uAT42QT_REG__SETUP_238
 
union  uAT42QT_REG__SETUP_241
 
union  uAT42QT_REG__SETUP_242
 
union  uAT42QT_REG__SETUP_243
 
union  uAT42QT_REG__SETUP_244
 
union  uAT42QT_REG__SETUP_248
 

Macros

#define I2C_AT42QT1244_NB   1U
 Number of AT42QT1244 peripherals.
 
#define AT42QT1244_ADDR   57U
 AT42QT1244 address (A0 & A1 tied to GND)
 
#define AT42QT1244_ADDR_A0   7U
 AT42QT1244 address (A0 tied to PWR & A1 tied to GND)
 
#define AT42QT1244_ADDR_A1   17U
 AT42QT1244 address (A0 tied to GND & A1 tied to PWR)
 
#define AT42QT1244_ADDR_A01   117U
 AT42QT1244 address (A0 & A1 tied to PWR)
 
#define AT42QT1244_BASE_ADDR   AT42QT1244_ADDR
 AT42QT1244 Base address.
 
#define AT42QT1244_CHECK_CRC   1
 AT42QT1244 read transactions CRC check.
 
#define AT42QT1244_MAX_KEYS   24U
 AT42QT1244 peripheral maximum number of keys.
 

Enumerations

enum  AT42QT_reg {
  AT42QT__CNT_100MS = 2U , AT42QT__CNT_SIGNAL_FAIL = 3U , AT42QT__CNT_MTX_SCAN = 4U , AT42QT__DEVICE_STATUS = 5U ,
  AT42QT__DETECT_STATUS_1 = 6U , AT42QT__DETECT_STATUS_2 = 7U , AT42QT__DETECT_STATUS_3 = 8U , AT42QT__CURRENT_FREQUENCY = 10U ,
  AT42QT__CURRENT_PULSE_SPACING = 11U , AT42QT__DATA_KEY_0 = 12U , AT42QT__DATA_KEY_1 = 16U , AT42QT__DATA_KEY_2 = 20U ,
  AT42QT__DATA_KEY_3 = 24U , AT42QT__DATA_KEY_4 = 28U , AT42QT__DATA_KEY_5 = 32U , AT42QT__DATA_KEY_6 = 36U ,
  AT42QT__DATA_KEY_7 = 40U , AT42QT__DATA_KEY_8 = 44U , AT42QT__DATA_KEY_9 = 48U , AT42QT__DATA_KEY_10 = 52U ,
  AT42QT__DATA_KEY_11 = 56U , AT42QT__DATA_KEY_12 = 60U , AT42QT__DATA_KEY_13 = 64U , AT42QT__DATA_KEY_14 = 68U ,
  AT42QT__DATA_KEY_15 = 72U , AT42QT__DATA_KEY_16 = 76U , AT42QT__DATA_KEY_17 = 80U , AT42QT__DATA_KEY_18 = 84U ,
  AT42QT__DATA_KEY_19 = 88U , AT42QT__DATA_KEY_20 = 92U , AT42QT__DATA_KEY_21 = 96U , AT42QT__DATA_KEY_22 = 100U ,
  AT42QT__DATA_KEY_23 = 104U , AT42QT__CONTROL_COMMAND = 140U , AT42QT__SETUP_KEYS_THRESHOLD_0 = 141U , AT42QT__SETUP_KEYS_THRESHOLD_1 ,
  AT42QT__SETUP_KEYS_THRESHOLD_2 , AT42QT__SETUP_KEYS_THRESHOLD_3 , AT42QT__SETUP_KEYS_THRESHOLD_4 , AT42QT__SETUP_KEYS_THRESHOLD_5 ,
  AT42QT__SETUP_KEYS_THRESHOLD_6 , AT42QT__SETUP_KEYS_THRESHOLD_7 , AT42QT__SETUP_KEYS_THRESHOLD_8 , AT42QT__SETUP_KEYS_THRESHOLD_9 ,
  AT42QT__SETUP_KEYS_THRESHOLD_10 , AT42QT__SETUP_KEYS_THRESHOLD_11 , AT42QT__SETUP_KEYS_THRESHOLD_12 , AT42QT__SETUP_KEYS_THRESHOLD_13 ,
  AT42QT__SETUP_KEYS_THRESHOLD_14 , AT42QT__SETUP_KEYS_THRESHOLD_15 , AT42QT__SETUP_KEYS_THRESHOLD_16 , AT42QT__SETUP_KEYS_THRESHOLD_17 ,
  AT42QT__SETUP_KEYS_THRESHOLD_18 , AT42QT__SETUP_KEYS_THRESHOLD_19 , AT42QT__SETUP_KEYS_THRESHOLD_20 , AT42QT__SETUP_KEYS_THRESHOLD_21 ,
  AT42QT__SETUP_KEYS_THRESHOLD_22 , AT42QT__SETUP_KEYS_THRESHOLD_23 , AT42QT__SETUP_KEYS_MODE_0 = 165U , AT42QT__SETUP_KEYS_MODE_1 ,
  AT42QT__SETUP_KEYS_MODE_2 , AT42QT__SETUP_KEYS_MODE_3 , AT42QT__SETUP_KEYS_MODE_4 , AT42QT__SETUP_KEYS_MODE_5 ,
  AT42QT__SETUP_KEYS_MODE_6 , AT42QT__SETUP_KEYS_MODE_7 , AT42QT__SETUP_KEYS_MODE_8 , AT42QT__SETUP_KEYS_MODE_9 ,
  AT42QT__SETUP_KEYS_MODE_10 , AT42QT__SETUP_KEYS_MODE_11 , AT42QT__SETUP_KEYS_MODE_12 , AT42QT__SETUP_KEYS_MODE_13 ,
  AT42QT__SETUP_KEYS_MODE_14 , AT42QT__SETUP_KEYS_MODE_15 , AT42QT__SETUP_KEYS_MODE_16 , AT42QT__SETUP_KEYS_MODE_17 ,
  AT42QT__SETUP_KEYS_MODE_18 , AT42QT__SETUP_KEYS_MODE_19 , AT42QT__SETUP_KEYS_MODE_20 , AT42QT__SETUP_KEYS_MODE_21 ,
  AT42QT__SETUP_KEYS_MODE_22 , AT42QT__SETUP_KEYS_MODE_23 , AT42QT__SETUP_CFO_1_0 = 189U , AT42QT__SETUP_CFO_1_1 ,
  AT42QT__SETUP_CFO_1_2 , AT42QT__SETUP_CFO_1_3 , AT42QT__SETUP_CFO_1_4 , AT42QT__SETUP_CFO_1_5 ,
  AT42QT__SETUP_CFO_1_6 , AT42QT__SETUP_CFO_1_7 , AT42QT__SETUP_CFO_1_8 , AT42QT__SETUP_CFO_1_9 ,
  AT42QT__SETUP_CFO_1_10 , AT42QT__SETUP_CFO_1_11 , AT42QT__SETUP_CFO_1_12 , AT42QT__SETUP_CFO_1_13 ,
  AT42QT__SETUP_CFO_1_14 , AT42QT__SETUP_CFO_1_15 , AT42QT__SETUP_CFO_1_16 , AT42QT__SETUP_CFO_1_17 ,
  AT42QT__SETUP_CFO_1_18 , AT42QT__SETUP_CFO_1_19 , AT42QT__SETUP_CFO_1_20 , AT42QT__SETUP_CFO_1_21 ,
  AT42QT__SETUP_CFO_1_22 , AT42QT__SETUP_CFO_1_23 , AT42QT__SETUP_CFO_2_0 = 213U , AT42QT__SETUP_CFO_2_1 ,
  AT42QT__SETUP_CFO_2_2 , AT42QT__SETUP_CFO_2_3 , AT42QT__SETUP_CFO_2_4 , AT42QT__SETUP_CFO_2_5 ,
  AT42QT__SETUP_CFO_2_6 , AT42QT__SETUP_CFO_2_7 , AT42QT__SETUP_CFO_2_8 , AT42QT__SETUP_CFO_2_9 ,
  AT42QT__SETUP_CFO_2_10 , AT42QT__SETUP_CFO_2_11 , AT42QT__SETUP_CFO_2_12 , AT42QT__SETUP_CFO_2_13 ,
  AT42QT__SETUP_CFO_2_14 , AT42QT__SETUP_CFO_2_15 , AT42QT__SETUP_CFO_2_16 , AT42QT__SETUP_CFO_2_17 ,
  AT42QT__SETUP_CFO_2_18 , AT42QT__SETUP_CFO_2_19 , AT42QT__SETUP_CFO_2_20 , AT42QT__SETUP_CFO_2_21 ,
  AT42QT__SETUP_CFO_2_22 , AT42QT__SETUP_CFO_2_23 , AT42QT__SETUP_NEGATIVE_RECALL_DELAY = 237U , AT42QT__SETUP_DEBUG_MSYNC = 238U ,
  AT42QT__SETUP_AWAKE_TIMEOUT = 239U , AT42QT__SETUP_DRIFT_HOLD_TIME = 240U , AT42QT__SETUP_DRIFT = 241U , AT42QT__SETUP_LOWER_SIGNAL_LIMIT_1 = 242U ,
  AT42QT__SETUP_LOWER_SIGNAL_LIMIT_2 = 243U , AT42QT__SETUP_FREQ_HOPING_DWELL = 244U , AT42QT__SETUP_FREQ0 = 245U , AT42QT__SETUP_FREQ1 = 246U ,
  AT42QT__SETUP_FREQ2 = 247U , AT42QT__SETUP_NOISE = 248U , AT42QT__SETUP_HOST_CRC_LSB = 249U , AT42QT__SETUP_HOST_CRC_MSB = 250U
}
 Register map enum of AT42QT. More...
 
enum  AT42QT_cmd {
  AT42QT__CALIBRATE_KEY_0 = 0U , AT42QT__CALIBRATE_KEY_1 , AT42QT__CALIBRATE_KEY_2 , AT42QT__CALIBRATE_KEY_3 ,
  AT42QT__CALIBRATE_KEY_4 , AT42QT__CALIBRATE_KEY_5 , AT42QT__CALIBRATE_KEY_6 , AT42QT__CALIBRATE_KEY_7 ,
  AT42QT__CALIBRATE_KEY_8 , AT42QT__CALIBRATE_KEY_9 , AT42QT__CALIBRATE_KEY_10 , AT42QT__CALIBRATE_KEY_11 ,
  AT42QT__CALIBRATE_KEY_12 , AT42QT__CALIBRATE_KEY_13 , AT42QT__CALIBRATE_KEY_14 , AT42QT__CALIBRATE_KEY_15 ,
  AT42QT__CALIBRATE_KEY_16 , AT42QT__CALIBRATE_KEY_17 , AT42QT__CALIBRATE_KEY_18 , AT42QT__CALIBRATE_KEY_19 ,
  AT42QT__CALIBRATE_KEY_20 , AT42QT__CALIBRATE_KEY_21 , AT42QT__CALIBRATE_KEY_22 , AT42QT__CALIBRATE_KEY_23 ,
  AT42QT__RESET_DEVICE = 0x18U , AT42QT__LOW_LEVEL_CALIBRATION = 0xFDU , AT42QT__WRITE_SETUPS = 0xFEU , AT42QT__CALIBRATE_ALL_KEYS = 0xFFU
}
 
enum  AT42QT_FHM { AT42QT__FHM_OFF = 0U , AT42QT__FHM_CALIB_AFTER_HOP , AT42QT__FHM_ADJ_KEYS_REF_DURING_HOP , AT42QT__FHM_FREQUENCY_SWEEP }
 

Functions

FctERR AT42QT1244_Init (const uint8_t idx, I2C_HandleTypeDef *const hi2c, const uint16_t devAddress)
 Initialization for AT42QT1244 peripheral.
 
FctERR AT42QT1244_Init_Single (void)
 Initialization for AT42QT1244 peripheral.
 
FctERR AT42QT1244_Write (I2C_slave_t *const pSlave, const uint8_t *data, const uint16_t addr, const uint16_t nb)
 I2C Write function for AT42QT1244.
 
FctERR AT42QT1244_Read (I2C_slave_t *const pSlave, uint8_t *data, const uint16_t addr, const uint16_t nb)
 I2C Read function for AT42QT1244.
 

Detailed Description

AT42QT1244 Driver.

Author
SMFSW
Copyright
MIT (c) 2017-2026, SMFSW

AT42QT1244: 24-key QMatrix FMEA IEC/EN/UL60730 Touch Sensor

Macro Definition Documentation

◆ AT42QT1244_ADDR

#define AT42QT1244_ADDR   57U

AT42QT1244 address (A0 & A1 tied to GND)

◆ AT42QT1244_ADDR_A0

#define AT42QT1244_ADDR_A0   7U

AT42QT1244 address (A0 tied to PWR & A1 tied to GND)

◆ AT42QT1244_ADDR_A01

#define AT42QT1244_ADDR_A01   117U

AT42QT1244 address (A0 & A1 tied to PWR)

◆ AT42QT1244_ADDR_A1

#define AT42QT1244_ADDR_A1   17U

AT42QT1244 address (A0 tied to GND & A1 tied to PWR)

◆ AT42QT1244_BASE_ADDR

#define AT42QT1244_BASE_ADDR   AT42QT1244_ADDR

AT42QT1244 Base address.

Note
Define AT42QT1244_BASE_ADDR to change default device base address

◆ AT42QT1244_CHECK_CRC

#define AT42QT1244_CHECK_CRC   1

AT42QT1244 read transactions CRC check.

Note
Define AT42QT1244_CHECK_CRC to change CRC check behavior

◆ AT42QT1244_MAX_KEYS

#define AT42QT1244_MAX_KEYS   24U

AT42QT1244 peripheral maximum number of keys.

◆ I2C_AT42QT1244_NB

#define I2C_AT42QT1244_NB   1U

Number of AT42QT1244 peripherals.

Note
Define I2C_AT42QT1244_NB to enable multiple peripherals of this type

Enumeration Type Documentation

◆ AT42QT_cmd

enum AT42QT_cmd
Enumerator
AT42QT__CALIBRATE_KEY_0 

Calibration: Key 0.

AT42QT__CALIBRATE_KEY_1 

Calibration: Key 1.

AT42QT__CALIBRATE_KEY_2 

Calibration: Key 2.

AT42QT__CALIBRATE_KEY_3 

Calibration: Key 3.

AT42QT__CALIBRATE_KEY_4 

Calibration: Key 4.

AT42QT__CALIBRATE_KEY_5 

Calibration: Key 5.

AT42QT__CALIBRATE_KEY_6 

Calibration: Key 6.

AT42QT__CALIBRATE_KEY_7 

Calibration: Key 7.

AT42QT__CALIBRATE_KEY_8 

Calibration: Key 8.

AT42QT__CALIBRATE_KEY_9 

Calibration: Key 9.

AT42QT__CALIBRATE_KEY_10 

Calibration: Key 10.

AT42QT__CALIBRATE_KEY_11 

Calibration: Key 11.

AT42QT__CALIBRATE_KEY_12 

Calibration: Key 12.

AT42QT__CALIBRATE_KEY_13 

Calibration: Key 13.

AT42QT__CALIBRATE_KEY_14 

Calibration: Key 14.

AT42QT__CALIBRATE_KEY_15 

Calibration: Key 15.

AT42QT__CALIBRATE_KEY_16 

Calibration: Key 16.

AT42QT__CALIBRATE_KEY_17 

Calibration: Key 17.

AT42QT__CALIBRATE_KEY_18 

Calibration: Key 18.

AT42QT__CALIBRATE_KEY_19 

Calibration: Key 19.

AT42QT__CALIBRATE_KEY_20 

Calibration: Key 20.

AT42QT__CALIBRATE_KEY_21 

Calibration: Key 21.

AT42QT__CALIBRATE_KEY_22 

Calibration: Key 22.

AT42QT__CALIBRATE_KEY_23 

Calibration: Key 23.

AT42QT__RESET_DEVICE 

Reset device.

AT42QT__LOW_LEVEL_CALIBRATION 

Calibration: Low level and frequency hoping.

AT42QT__WRITE_SETUPS 

Write 0xFD immediately before writing setups.

AT42QT__CALIBRATE_ALL_KEYS 

Calibration: all keys.

◆ AT42QT_FHM

enum AT42QT_FHM
Enumerator
AT42QT__FHM_OFF 

Frequency Hoping Mode OFF.

AT42QT__FHM_CALIB_AFTER_HOP 

Calibrate all keys after hop.

AT42QT__FHM_ADJ_KEYS_REF_DURING_HOP 

Adjust each keys reference during hop.

AT42QT__FHM_FREQUENCY_SWEEP 

Frequency sweep.

◆ AT42QT_reg

enum AT42QT_reg

Register map enum of AT42QT.

Enumerator
AT42QT__CNT_100MS 
AT42QT__CNT_SIGNAL_FAIL 
AT42QT__CNT_MTX_SCAN 
AT42QT__DEVICE_STATUS 
AT42QT__DETECT_STATUS_1 
AT42QT__DETECT_STATUS_2 
AT42QT__DETECT_STATUS_3 
AT42QT__CURRENT_FREQUENCY 
AT42QT__CURRENT_PULSE_SPACING 
AT42QT__DATA_KEY_0 
AT42QT__DATA_KEY_1 
AT42QT__DATA_KEY_2 
AT42QT__DATA_KEY_3 
AT42QT__DATA_KEY_4 
AT42QT__DATA_KEY_5 
AT42QT__DATA_KEY_6 
AT42QT__DATA_KEY_7 
AT42QT__DATA_KEY_8 
AT42QT__DATA_KEY_9 
AT42QT__DATA_KEY_10 
AT42QT__DATA_KEY_11 
AT42QT__DATA_KEY_12 
AT42QT__DATA_KEY_13 
AT42QT__DATA_KEY_14 
AT42QT__DATA_KEY_15 
AT42QT__DATA_KEY_16 
AT42QT__DATA_KEY_17 
AT42QT__DATA_KEY_18 
AT42QT__DATA_KEY_19 
AT42QT__DATA_KEY_20 
AT42QT__DATA_KEY_21 
AT42QT__DATA_KEY_22 
AT42QT__DATA_KEY_23 
AT42QT__CONTROL_COMMAND 
AT42QT__SETUP_KEYS_THRESHOLD_0 
AT42QT__SETUP_KEYS_THRESHOLD_1 
AT42QT__SETUP_KEYS_THRESHOLD_2 
AT42QT__SETUP_KEYS_THRESHOLD_3 
AT42QT__SETUP_KEYS_THRESHOLD_4 
AT42QT__SETUP_KEYS_THRESHOLD_5 
AT42QT__SETUP_KEYS_THRESHOLD_6 
AT42QT__SETUP_KEYS_THRESHOLD_7 
AT42QT__SETUP_KEYS_THRESHOLD_8 
AT42QT__SETUP_KEYS_THRESHOLD_9 
AT42QT__SETUP_KEYS_THRESHOLD_10 
AT42QT__SETUP_KEYS_THRESHOLD_11 
AT42QT__SETUP_KEYS_THRESHOLD_12 
AT42QT__SETUP_KEYS_THRESHOLD_13 
AT42QT__SETUP_KEYS_THRESHOLD_14 
AT42QT__SETUP_KEYS_THRESHOLD_15 
AT42QT__SETUP_KEYS_THRESHOLD_16 
AT42QT__SETUP_KEYS_THRESHOLD_17 
AT42QT__SETUP_KEYS_THRESHOLD_18 
AT42QT__SETUP_KEYS_THRESHOLD_19 
AT42QT__SETUP_KEYS_THRESHOLD_20 
AT42QT__SETUP_KEYS_THRESHOLD_21 
AT42QT__SETUP_KEYS_THRESHOLD_22 
AT42QT__SETUP_KEYS_THRESHOLD_23 
AT42QT__SETUP_KEYS_MODE_0 
AT42QT__SETUP_KEYS_MODE_1 
AT42QT__SETUP_KEYS_MODE_2 
AT42QT__SETUP_KEYS_MODE_3 
AT42QT__SETUP_KEYS_MODE_4 
AT42QT__SETUP_KEYS_MODE_5 
AT42QT__SETUP_KEYS_MODE_6 
AT42QT__SETUP_KEYS_MODE_7 
AT42QT__SETUP_KEYS_MODE_8 
AT42QT__SETUP_KEYS_MODE_9 
AT42QT__SETUP_KEYS_MODE_10 
AT42QT__SETUP_KEYS_MODE_11 
AT42QT__SETUP_KEYS_MODE_12 
AT42QT__SETUP_KEYS_MODE_13 
AT42QT__SETUP_KEYS_MODE_14 
AT42QT__SETUP_KEYS_MODE_15 
AT42QT__SETUP_KEYS_MODE_16 
AT42QT__SETUP_KEYS_MODE_17 
AT42QT__SETUP_KEYS_MODE_18 
AT42QT__SETUP_KEYS_MODE_19 
AT42QT__SETUP_KEYS_MODE_20 
AT42QT__SETUP_KEYS_MODE_21 
AT42QT__SETUP_KEYS_MODE_22 
AT42QT__SETUP_KEYS_MODE_23 
AT42QT__SETUP_CFO_1_0 
AT42QT__SETUP_CFO_1_1 
AT42QT__SETUP_CFO_1_2 
AT42QT__SETUP_CFO_1_3 
AT42QT__SETUP_CFO_1_4 
AT42QT__SETUP_CFO_1_5 
AT42QT__SETUP_CFO_1_6 
AT42QT__SETUP_CFO_1_7 
AT42QT__SETUP_CFO_1_8 
AT42QT__SETUP_CFO_1_9 
AT42QT__SETUP_CFO_1_10 
AT42QT__SETUP_CFO_1_11 
AT42QT__SETUP_CFO_1_12 
AT42QT__SETUP_CFO_1_13 
AT42QT__SETUP_CFO_1_14 
AT42QT__SETUP_CFO_1_15 
AT42QT__SETUP_CFO_1_16 
AT42QT__SETUP_CFO_1_17 
AT42QT__SETUP_CFO_1_18 
AT42QT__SETUP_CFO_1_19 
AT42QT__SETUP_CFO_1_20 
AT42QT__SETUP_CFO_1_21 
AT42QT__SETUP_CFO_1_22 
AT42QT__SETUP_CFO_1_23 
AT42QT__SETUP_CFO_2_0 
AT42QT__SETUP_CFO_2_1 
AT42QT__SETUP_CFO_2_2 
AT42QT__SETUP_CFO_2_3 
AT42QT__SETUP_CFO_2_4 
AT42QT__SETUP_CFO_2_5 
AT42QT__SETUP_CFO_2_6 
AT42QT__SETUP_CFO_2_7 
AT42QT__SETUP_CFO_2_8 
AT42QT__SETUP_CFO_2_9 
AT42QT__SETUP_CFO_2_10 
AT42QT__SETUP_CFO_2_11 
AT42QT__SETUP_CFO_2_12 
AT42QT__SETUP_CFO_2_13 
AT42QT__SETUP_CFO_2_14 
AT42QT__SETUP_CFO_2_15 
AT42QT__SETUP_CFO_2_16 
AT42QT__SETUP_CFO_2_17 
AT42QT__SETUP_CFO_2_18 
AT42QT__SETUP_CFO_2_19 
AT42QT__SETUP_CFO_2_20 
AT42QT__SETUP_CFO_2_21 
AT42QT__SETUP_CFO_2_22 
AT42QT__SETUP_CFO_2_23 
AT42QT__SETUP_NEGATIVE_RECALL_DELAY 
AT42QT__SETUP_DEBUG_MSYNC 
AT42QT__SETUP_AWAKE_TIMEOUT 
AT42QT__SETUP_DRIFT_HOLD_TIME 
AT42QT__SETUP_DRIFT 
AT42QT__SETUP_LOWER_SIGNAL_LIMIT_1 
AT42QT__SETUP_LOWER_SIGNAL_LIMIT_2 
AT42QT__SETUP_FREQ_HOPING_DWELL 
AT42QT__SETUP_FREQ0 
AT42QT__SETUP_FREQ1 
AT42QT__SETUP_FREQ2 
AT42QT__SETUP_NOISE 
AT42QT__SETUP_HOST_CRC_LSB 
AT42QT__SETUP_HOST_CRC_MSB 

Function Documentation

◆ AT42QT1244_Init()

FctERR AT42QT1244_Init ( const uint8_t idx,
I2C_HandleTypeDef *const hi2c,
const uint16_t devAddress )

Initialization for AT42QT1244 peripheral.

Parameters
[in]idx- AT42QT1244 index
[in]hi2c- pointer to AT42QT1244 I2C instance
[in]devAddress- AT42QT1244 device address
Returns
FctERR - error code
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◆ AT42QT1244_Init_Single()

FctERR AT42QT1244_Init_Single ( void )

Initialization for AT42QT1244 peripheral.

Warning
In case multiple devices (defined by I2C_AT42QT1244_NB > 1), you shall use AT42QT1244_Init instead
Returns
FctERR - error code
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◆ AT42QT1244_Read()

FctERR AT42QT1244_Read ( I2C_slave_t *const pSlave,
uint8_t * data,
const uint16_t addr,
const uint16_t nb )

I2C Read function for AT42QT1244.

Parameters
[in,out]pSlave- Pointer to I2C slave instance
[in,out]data- pointer to read to
[in]addr- Address to read from
[in]nb- Number of bytes to read
Returns
FctERR - error code
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◆ AT42QT1244_Write()

FctERR AT42QT1244_Write ( I2C_slave_t *const pSlave,
const uint8_t * data,
const uint16_t addr,
const uint16_t nb )

I2C Write function for AT42QT1244.

Parameters
[in,out]pSlave- Pointer to I2C slave instance
[in]data- pointer to write from
[in]addr- Address to write to
[in]nb- Number of bytes to write
Returns
FctERR - error code
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