at42qt1060_example.c File Reference

#include <avr32/io.h>
#include "compiler.h"
#include "print_funcs.h"
#include "board.h"
#include "power_clocks_lib.h"
#include "eic.h"
#include "twi.h"
#include "gpio.h"
#include "cycle_counter.h"
#include "flashc.h"
#include "at42qt1060.h"
#include "conf_at42qt1060.h"
#include <stdio.h>

Data Structures
struct	at42qt1060_data

Macros
#define	FCPU_HZ   60000000
#define	FPBA_HZ   60000000

Functions
void	get_key_ref_values (struct at42qt1060_data *touch_data)
void	get_key_signal_values (struct at42qt1060_data *touch_data)
static void	init_sys_clocks (void)
	Initializes the MCU system clocks. More...
int	main (void)
void	print_key_data (int key, const char *key_name, struct at42qt1060_data *touch_data)
	Print touch key status to debug output. More...
void	print_touch_data (struct at42qt1060_data *touch_data)
	Print key touch data to debug output. More...
void	touch_detect_callback (void)
	Callback function for a detect event of the touch sensor device. More...
static void	twi_init (void)

Variables
volatile bool	touch_detect = false
System Clock Frequencies
static pcl_freq_param_t	pcl_freq_param

#define FCPU_HZ   60000000

Referenced by main().

#define FPBA_HZ   60000000

Referenced by main(), and twi_init().

void get_key_ref_values

(

struct at42qt1060_data *

touch_data

)

References AT42QT1060_KEY_0_REF_DATA_LSB, AT42QT1060_KEY_0_REF_DATA_MSB, AT42QT1060_KEY_1_REF_DATA_LSB, AT42QT1060_KEY_1_REF_DATA_MSB, AT42QT1060_KEY_2_REF_DATA_LSB, AT42QT1060_KEY_2_REF_DATA_MSB, AT42QT1060_KEY_3_REF_DATA_LSB, AT42QT1060_KEY_3_REF_DATA_MSB, AT42QT1060_KEY_4_REF_DATA_LSB, AT42QT1060_KEY_4_REF_DATA_MSB, AT42QT1060_KEY_5_REF_DATA_LSB, AT42QT1060_KEY_5_REF_DATA_MSB, at42qt1060_read_reg(), at42qt1060_data::key_ref_value, LSB, and MSB.

Referenced by main().

void get_key_signal_values

(

struct at42qt1060_data *

touch_data

)

References AT42QT1060_KEY_0_SIGNAL_LSB, AT42QT1060_KEY_0_SIGNAL_MSB, AT42QT1060_KEY_1_SIGNAL_LSB, AT42QT1060_KEY_1_SIGNAL_MSB, AT42QT1060_KEY_2_SIGNAL_LSB, AT42QT1060_KEY_2_SIGNAL_MSB, AT42QT1060_KEY_3_SIGNAL_LSB, AT42QT1060_KEY_3_SIGNAL_MSB, AT42QT1060_KEY_4_SIGNAL_LSB, AT42QT1060_KEY_4_SIGNAL_MSB, AT42QT1060_KEY_5_SIGNAL_LSB, AT42QT1060_KEY_5_SIGNAL_MSB, at42qt1060_read_reg(), at42qt1060_data::key_signal, LSB, and MSB.

Referenced by main().

static void init_sys_clocks ( void  )

static

Initializes the MCU system clocks.

References PASS, pcl_configure_clocks(), and pcl_freq_param.

int main

(

void

)

References AT42QT1060_DETECTION_STATUS, at42qt1060_init(), AT42QT1060_INPUT_PORT_STATUS, at42qt1060_read_reg(), at42qt1060_register_eic_int(), at42qt1060_register_int(), cpu_delay_ms(), cpu_irq_enable, cpu_is_timeout(), cpu_ms_2_cy(), cpu_set_timeout(), at42qt1060_data::detect_status, FCPU_HZ, FPBA_HZ, get_key_ref_values(), get_key_signal_values(), gpio_set_gpio_pin(), init_dbg_rs232(), init_sys_clocks(), irq_initialize_vectors, print_dbg(), print_touch_data(), touch_detect, touch_detect_callback, and twi_init().

void print_key_data	(	int	key,
		const char *	key_name,
		struct at42qt1060_data *	touch_data
	)

Print touch key status to debug output.

Parameters

key	Key index for key data in touch_data.
key_name	Pointer to key name. Should be less than 7 chars or the table will not be aligned.
touch_data	Pointer to touch data structure.

References at42qt1060_data::detect_status, at42qt1060_data::key_ref_value, at42qt1060_data::key_signal, print_dbg(), and tmp.

Referenced by print_touch_data().

void print_touch_data

(

struct at42qt1060_data *

touch_data

)

Print key touch data to debug output.

Parameters

touch_data

Pointer to structure that holds the touch data.

References print_dbg(), and print_key_data().

Referenced by main().

void touch_detect_callback

(

void

)

Callback function for a detect event of the touch sensor device.

References gpio_tgl_gpio_pin(), and touch_detect.

static void twi_init ( void  )

static

References AT42QT1060_TWI, AT42QT1060_TWI_ADDRESS, AT42QT1060_TWI_MASTER_SPEED, AT42QT1060_TWI_SCL_FUNCTION, AT42QT1060_TWI_SCL_PIN, AT42QT1060_TWI_SDA_FUNCTION, AT42QT1060_TWI_SDA_PIN, FPBA_HZ, gpio_enable_module(), twi_master_init, and twi_options_t.

Referenced by main().

pcl_freq_param_t pcl_freq_param

static

Initial value:

=
{
  .cpu_f        = FCPU_HZ,
  .pba_f        = FPBA_HZ,
  .osc0_f       = FOSC0,
  .osc0_startup = OSC0_STARTUP
}

volatile bool touch_detect = false