This file contains the SAMD QTouch library sample user application.

#include <asf.h>

Macros
#define	GET_SELFCAP_ROTOR_SLIDER_POSITION(ROTOR_SLIDER_NUMBER)

#define	GET_SELFCAP_SENSOR_STATE(SENSOR_NUMBER)

#define	LED_1_PIN PIN_PB03
	Discrete LED output pin definitions. More...

#define	LED_2_PIN PIN_PA05

#define	LED_3_PIN PIN_PA04

#define	LED_4_PIN PIN_PA10

#define	LED_5_PIN PIN_PA11

#define	LED_6_PIN PIN_PA20

#define	LED_7_PIN PIN_PA21

#define	LED_B_PIN PIN_PA17

#define	LED_G_PIN PIN_PB15

#define	LED_R_PIN PIN_PB14
	RGB LED output pin definitions. More...

#define	TIME_PERIOD_1MSEC 33u
	RTC Interrupt timing definition. More...

Functions
void	configure_port_pins (void)
	Prototypes. More...

void	configure_rtc_callbacks (void)
	Configure the RTC timer callback. More...

void	configure_rtc_count (void)
	Configure the RTC timer count after which interrupts comes. More...

int	main (void)
	MAIN. More...

void	rtc_overflow_callback (void)
	RTC timer overflow callback. More...

void	timer_init (void)
	Initialize timer. More...

Variables
volatile uint8_t	PWM_Count

const uint8_t	PWM_RGB_values [64][3]

uint8_t	rotor_position

uint8_t	rotor_state
	Variables. More...

struct rtc_module	rtc_instance
	[rtc_module_instance] More...

volatile uint16_t	touch_time_counter = 0u

#define GET_SELFCAP_ROTOR_SLIDER_POSITION ( ROTOR_SLIDER_NUMBER )

Value:

p_selfcap_measure_data->p_rotor_slider_values[ \

ROTOR_SLIDER_NUMBER]

p_selfcap_measure_data

touch_measure_data_t * p_selfcap_measure_data

Self Cap sensors measured data pointer.

Definition: thirdparty/qtouch/devspecific/sam0/samd/examples/example_selfcap/qtouch/touch.c:99

tag_touch_measure_data_t::p_rotor_slider_values

uint8_t * p_rotor_slider_values

Definition: touch_api_SAMD.h:764

Referenced by main().

#define GET_SELFCAP_SENSOR_STATE ( SENSOR_NUMBER )

Value:

p_selfcap_measure_data-> \
    p_sensor_states[(SENSOR_NUMBER / \
    8)] & (1 << (SENSOR_NUMBER % 8))

Referenced by main().

#define LED_1_PIN PIN_PB03

Discrete LED output pin definitions.

Referenced by main().

#define LED_2_PIN PIN_PA05

Referenced by main().

#define LED_3_PIN PIN_PA04

Referenced by main().

#define LED_4_PIN PIN_PA10

Referenced by main().

#define LED_5_PIN PIN_PA11

Referenced by main().

#define LED_6_PIN PIN_PA20

Referenced by main().

#define LED_7_PIN PIN_PA21

Referenced by main().

#define LED_B_PIN PIN_PA17

Referenced by main().

#define LED_G_PIN PIN_PB15

Referenced by main().

#define LED_R_PIN PIN_PB14

RGB LED output pin definitions.

Referenced by main().

#define TIME_PERIOD_1MSEC 33u

RTC Interrupt timing definition.

Referenced by timer_init().

void configure_port_pins ( void )

Prototypes.

LED Port Pin Configuration.

Configure Port pins

void configure_rtc_callbacks ( void )

Configure the RTC timer callback.

void configure_rtc_count ( void )

Configure the RTC timer count after which interrupts comes.

int main ( void )

MAIN.

Initialize and configure system and generic clocks. Use conf_clocks.h to configure system and generic clocks.

Enable global interrupts.

Initialize delay service.

Initialize timer.

Initialize QTouch library and configure touch sensors.

Configure port pins

Turn off all extension board LEDs

Goto STANDBY sleep mode, unless woken by timer or PTC interrupt.

Start touch sensor measurement, if touch_time.time_to_measure_touch flag is set by timer.

Update touch status once measurement complete flag is set.

Get touch sensor states

Clear all slider controlled LEDs

If slider is activated

Parse slider position

References configure_port_pins(), delay_init(), GET_SELFCAP_ROTOR_SLIDER_POSITION, GET_SELFCAP_SENSOR_STATE, LED_1_PIN, LED_2_PIN, LED_3_PIN, LED_4_PIN, LED_5_PIN, LED_6_PIN, LED_7_PIN, LED_B_PIN, LED_G_PIN, LED_R_PIN, tag_touch_measure_data_t::measurement_done_touch, p_selfcap_measure_data, port_pin_set_output_level(), PWM_Count, rotor_state, system_init(), system_interrupt_enable_global(), system_set_sleepmode(), system_sleep(), SYSTEM_SLEEPMODE_STANDBY, timer_init(), touch_sensors_init(), and touch_sensors_measure().

void rtc_overflow_callback ( void )

RTC timer overflow callback.

Configure the RTC timer overflow callback.

void timer_init ( void )

Initialize timer.

References configure_rtc_callbacks(), configure_rtc_count(), rtc_count_set_period(), rtc_instance, and TIME_PERIOD_1MSEC.

Referenced by demo_start(), and main().

volatile uint8_t PWM_Count

Referenced by demo_start(), main(), and rtc_overflow_callback().

const uint8_t PWM_RGB_values[64][3]

Referenced by rtc_overflow_callback().

uint8_t rotor_position

Referenced by demo_start(), and rtc_overflow_callback().

uint8_t rotor_state

Variables.

Referenced by demo_start(), main(), and rtc_overflow_callback().

struct rtc_module rtc_instance

[rtc_module_instance]

[rtc_module_inst]

volatile uint16_t touch_time_counter = 0u

Referenced by rtc_overflow_callback().

Microchip® Advanced Software Framework

Macros

Functions

Variables