applications/uc3-audio-player/user_interface/controller/qt60168_controller.c File Reference

#include "compiler.h"
#include "controller.h"
#include "board.h"
#include "gpio.h"
#include "rtc.h"
#include "spi.h"
#include "intc.h"
#include "qt60168.h"
#include "conf_qt60168.h"
#include "cycle_counter.h"

Macros
#define	CLEAR_PRESSED_STATE(x)   controller_state &= ~STATE_##x##_PRESSED
#define	CLEAR_RELEASED_STATE(x)   controller_state &= ~STATE_##x##_RELEASED
#define	SET_PRESSED_STATE(x)   controller_state = (enum controller_state_t) ((controller_state & ~STATE_##x##_RELEASED) | STATE_##x##_PRESSED)
#define	SET_RELEASED_STATE(x)   controller_state = (enum controller_state_t) ((controller_state & ~STATE_##x##_PRESSED) | STATE_##x##_RELEASED)

Enumerations
enum	{   TOUCH_IDLE = 0,   TOUCH_PRESS = 1,   TOUCH_RELEASE = 2 }
enum	controller_state_t {   STATE_IDLE = 0x0000,   STATE_CS1_PRESSED = 0x0001,   STATE_CS2_PRESSED = 0x0002,   STATE_CS3_PRESSED = 0x0004,   STATE_CS4_PRESSED = 0x0008,   STATE_CS1_RELEASED = 0x0010,   STATE_CS2_RELEASED = 0x0020,   STATE_CS3_RELEASED = 0x0040,   STATE_CS4_RELEASED = 0x0080,   STATE_WHEEL_LEFT = 0x0100,   STATE_WHEEL_RIGHT = 0x0200,   STATE_WHEEL_LEFT_RELEASED = 0x1000,   STATE_WHEEL_RIGHT_RELEASED = 0x2000,   STATE_WHEEL_UP_RELEASED = 0x4000,   STATE_WHEEL_DOWN_RELEASED = 0x8000,   STATE_IDLE = 0x0000,   STATE_CS1_PRESSED = 0x0001,   STATE_CS2_PRESSED = 0x0002,   STATE_CS3_PRESSED = 0x0004,   STATE_CS4_PRESSED = 0x0008,   STATE_CS1_RELEASED = 0x0010,   STATE_CS2_RELEASED = 0x0020,   STATE_CS3_RELEASED = 0x0040,   STATE_CS4_RELEASED = 0x0080,   STATE_WHEEL_LEFT = 0x0100,   STATE_WHEEL_RIGHT = 0x0200,   STATE_WHEEL_LEFT_RELEASED = 0x1000,   STATE_WHEEL_RIGHT_RELEASED = 0x2000,   STATE_WHEEL_UP_RELEASED = 0x4000,   STATE_WHEEL_DOWN_RELEASED = 0x8000 }

Functions
void	controller_clear (void)
	Reset the key state. More...
bool	controller_config_change_mode (void)
	This function is called to check if the user has pressed the configuration change key. More...
bool	controller_config_next_option (void)
	This function is called to check if the user has pressed the next option key. More...
bool	controller_config_previous_option (void)
	This function is called to check if the user has pressed the previous option key. More...
void	controller_init (uint32_t fcpu_hz, uint32_t fhsb_hz, uint32_t fpbb_hz, uint32_t fpba_hz)
	Initialization. More...
bool	controller_key_cs1 (void)
bool	controller_key_cs2 (void)
bool	controller_key_cs3 (void)
bool	controller_key_cs4 (void)
bool	controller_key_pressed (void)
bool	controller_key_released (void)
static void	controller_keys_update (int all_keys)
bool	controller_navigation_change_directory (void)
	This function is called to check if the user has pressed the change directory key. More...
bool	controller_navigation_cursor_next (void)
	This function is called to check if the user has pressed the next file selection key. More...
bool	controller_navigation_cursor_previous (void)
	This function is called to check if the user has pressed the previous file selection key. More...
bool	controller_navigation_go_to_parent_directory (void)
	This function is called to check if the user has pressed the go to parent directory key. More...
bool	controller_navigation_play (void)
	This function is called to check if the user has pressed the play selected file key. More...
bool	controller_playback_decrease_volume (void)
	This function is called to check if the user has pressed the decrease volume key. More...
bool	controller_playback_ffw (bool new_track)
	This function is called to check if the user has pressed the fast forward key. More...
bool	controller_playback_frw (bool new_track)
	This function is called to check if the user has pressed the fast rewind key. More...
bool	controller_playback_increase_volume (void)
	This function is called to check if the user has pressed the increase volume key. More...
bool	controller_playback_next_track (void)
	This function is called to check if the user has pressed the next track key. More...
bool	controller_playback_previous_track (void)
	This function is called to check if the user has pressed the previous track key. More...
bool	controller_playback_toggle_play_pause (void)
	This function is called to check if the user has pressed the play/pause key. More...
void	controller_reset (void)
void	controller_shutdown (void)
	Shutdown the controller. More...
bool	controller_switch_to_config_view (enum gui_update_view view)
	This function is called to check if the user has requested to move to the configuration view. More...
bool	controller_switch_to_navigation_view (enum gui_update_view view)
	This function is called to check if the user has requested to move to the navigation view. More...
bool	controller_switch_to_playback_view (enum gui_update_view view)
	This function is called to check if the user has requested to move to the playback view. More...
bool	controller_wheel_left (int wheel_inc)
bool	controller_wheel_pressed (void)
bool	controller_wheel_right (int wheel_inc)
static bool	is_key_pressed (int all_keys, int key_num)
	ISR (rtc_irq, AVR32_RTC_IRQ_GROUP, AVR32_INTC_INT0)
	Interrupt. More...
void	rtc_init_qt (void)
static void	set_wheel_left ()
static void	set_wheel_right ()
	Set key status. More...
static int	special_qt60168_get_reply (unsigned short *data)
bool	special_qt60168_get_reply60168_report_all_key (unsigned short *data)
static bool	special_qt60168_report_all_key (unsigned short *data)
	"Report all key" status handling More...
static int	special_qt60168_send_cmd (unsigned char cmd)
static void	update_controller_state (void)

Variables
enum controller_state_t	controller_state = STATE_IDLE
static t_cpu_time	cpu_time_clear_wheel
static unsigned short	Data
static int	Read_data = 0
static int	report_state = 0
static enum { ... }	touch_states [QT60168_TOUCH_NUMBER_OF_SENSORS]
static int	wheel_step_counter = 0

#define CLEAR_PRESSED_STATE

(

x

)

controller_state &= ~STATE_##x##_PRESSED

#define CLEAR_RELEASED_STATE

(

x

)

controller_state &= ~STATE_##x##_RELEASED

Referenced by controller_key_cs1(), controller_key_cs2(), controller_key_cs3(), controller_key_cs4(), controller_navigation_change_directory(), controller_navigation_cursor_next(), controller_navigation_cursor_previous(), controller_navigation_go_to_parent_directory(), controller_playback_decrease_volume(), controller_playback_increase_volume(), controller_playback_next_track(), and controller_playback_previous_track().

#define SET_PRESSED_STATE

(

x

)

controller_state = (enum controller_state_t) ((controller_state & ~STATE_##x##_RELEASED) | STATE_##x##_PRESSED)

Referenced by update_controller_state().

#define SET_RELEASED_STATE

(

x

)

controller_state = (enum controller_state_t) ((controller_state & ~STATE_##x##_PRESSED) | STATE_##x##_RELEASED)

Referenced by update_controller_state().

anonymous enum

Enumerator
TOUCH_IDLE
TOUCH_PRESS
TOUCH_RELEASE

enum controller_state_t

Enumerator
STATE_IDLE
STATE_CS1_PRESSED
STATE_CS2_PRESSED
STATE_CS3_PRESSED
STATE_CS4_PRESSED
STATE_CS1_RELEASED
STATE_CS2_RELEASED
STATE_CS3_RELEASED
STATE_CS4_RELEASED
STATE_WHEEL_LEFT
STATE_WHEEL_RIGHT
STATE_WHEEL_LEFT_RELEASED
STATE_WHEEL_RIGHT_RELEASED
STATE_WHEEL_UP_RELEASED
STATE_WHEEL_DOWN_RELEASED
STATE_IDLE
STATE_CS1_PRESSED
STATE_CS2_PRESSED
STATE_CS3_PRESSED
STATE_CS4_PRESSED
STATE_CS1_RELEASED
STATE_CS2_RELEASED
STATE_CS3_RELEASED
STATE_CS4_RELEASED
STATE_WHEEL_LEFT
STATE_WHEEL_RIGHT
STATE_WHEEL_LEFT_RELEASED
STATE_WHEEL_RIGHT_RELEASED
STATE_WHEEL_UP_RELEASED
STATE_WHEEL_DOWN_RELEASED

void controller_clear

(

void

)

Reset the key state.

Referenced by config_task(), navigation_task(), playback_task(), and rtc_init_qt().

bool controller_config_change_mode

(

void

)

This function is called to check if the user has pressed the configuration change key.

Returns

true if the key has been pressed. false otherwise.

References controller_key_cs2(), and controller_key_cs3().

Referenced by config_task().

bool controller_config_next_option

(

void

)

This function is called to check if the user has pressed the next option key.

Returns

true if the key has been pressed. false otherwise.

References controller_wheel_right().

Referenced by config_task().

bool controller_config_previous_option

(

void

)

This function is called to check if the user has pressed the previous option key.

Returns

true if the key has been pressed. false otherwise.

References controller_wheel_left().

Referenced by config_task().

void controller_init	(	uint32_t	fcpu_hz,
		uint32_t	fhsb_hz,
		uint32_t	fpbb_hz,
		uint32_t	fpba_hz
	)

Initialization.

Initialization function of the controller interface.

Referenced by app_engine(), com_task(), and main().

bool controller_key_cs1

(

void

)

References CLEAR_RELEASED_STATE, controller_state, and STATE_CS1_RELEASED.

Referenced by controller_inquiry(), controller_switch_to_navigation_view(), and controller_switch_to_playback_view().

bool controller_key_cs2

(

void

)

References CLEAR_RELEASED_STATE, controller_state, and STATE_CS2_RELEASED.

Referenced by controller_config_change_mode(), and controller_select().

bool controller_key_cs3

(

void

)

References CLEAR_RELEASED_STATE, controller_state, and STATE_CS3_RELEASED.

Referenced by controller_config_change_mode(), controller_connect(), controller_navigation_play(), and controller_playback_toggle_play_pause().

bool controller_key_cs4

(

void

)

References CLEAR_RELEASED_STATE, controller_state, and STATE_CS4_RELEASED.

Referenced by controller_send(), controller_switch_to_config_view(), and controller_switch_to_playback_view().

bool controller_key_pressed

(

void

)

bool controller_key_released

(

void

)

static void controller_keys_update ( int  all_keys )

static

References i, is_key_pressed(), TOUCH_IDLE, TOUCH_PRESS, TOUCH_RELEASE, touch_states, and update_controller_state().

Referenced by ISR().

bool controller_navigation_change_directory

(

void

)

This function is called to check if the user has pressed the change directory key.

Returns

true if the key has been pressed. false otherwise.

References CLEAR_RELEASED_STATE, controller_state, and STATE_WHEEL_RIGHT_RELEASED.

Referenced by navigation_task().

bool controller_navigation_cursor_next

(

void

)

This function is called to check if the user has pressed the next file selection key.

Returns

true if the key has been pressed. false otherwise.

References CLEAR_RELEASED_STATE, controller_state, controller_wheel_right(), and STATE_WHEEL_DOWN_RELEASED.

Referenced by navigation_task().

bool controller_navigation_cursor_previous

(

void

)

This function is called to check if the user has pressed the previous file selection key.

Returns

true if the key has been pressed. false otherwise.

References CLEAR_RELEASED_STATE, controller_state, controller_wheel_left(), and STATE_WHEEL_UP_RELEASED.

Referenced by navigation_task().

bool controller_navigation_go_to_parent_directory

(

void

)

This function is called to check if the user has pressed the go to parent directory key.

Returns

true if the key has been pressed. false otherwise.

References CLEAR_RELEASED_STATE, controller_state, and STATE_WHEEL_LEFT_RELEASED.

Referenced by navigation_task().

bool controller_navigation_play

(

void

)

This function is called to check if the user has pressed the play selected file key.

Returns

true if the key has been pressed. false otherwise.

References controller_key_cs3().

Referenced by navigation_task().

bool controller_playback_decrease_volume

(

void

)

This function is called to check if the user has pressed the decrease volume key.

Returns

true if the key has been pressed. false otherwise.

References CLEAR_RELEASED_STATE, controller_state, and STATE_WHEEL_DOWN_RELEASED.

Referenced by playback_task().

bool controller_playback_ffw

(

bool

new_track

)

This function is called to check if the user has pressed the fast forward key.

Returns

true if the key has been pressed. false otherwise.

References controller_wheel_right().

Referenced by playback_task().

bool controller_playback_frw

(

bool

new_track

)

This function is called to check if the user has pressed the fast rewind key.

Returns

true if the key has been pressed. false otherwise.

References controller_wheel_left().

Referenced by playback_task().

bool controller_playback_increase_volume

(

void

)

This function is called to check if the user has pressed the increase volume key.

Returns

true if the key has been pressed. false otherwise.

References CLEAR_RELEASED_STATE, controller_state, and STATE_WHEEL_UP_RELEASED.

Referenced by playback_task().

bool controller_playback_next_track

(

void

)

This function is called to check if the user has pressed the next track key.

Returns

true if the key has been pressed. false otherwise.

References CLEAR_RELEASED_STATE, controller_state, and STATE_WHEEL_RIGHT_RELEASED.

Referenced by playback_task().

bool controller_playback_previous_track

(

void

)

This function is called to check if the user has pressed the previous track key.

Returns

true if the key has been pressed. false otherwise.

References CLEAR_RELEASED_STATE, controller_state, and STATE_WHEEL_LEFT_RELEASED.

Referenced by playback_task().

bool controller_playback_toggle_play_pause

(

void

)

This function is called to check if the user has pressed the play/pause key.

Returns

true if the key has been pressed. false otherwise.

References controller_key_cs3().

Referenced by playback_task().

void controller_reset

(

void

)

References controller_state, STATE_IDLE, and wheel_step_counter.

Referenced by state_machine_filter(), state_machine_signal(), state_machine_source(), and state_machine_task().

void controller_shutdown

(

void

)

Shutdown the controller.

Referenced by com_task().

bool controller_switch_to_config_view

(

enum gui_update_view

view

)

This function is called to check if the user has requested to move to the configuration view.

Parameters

view	The current view.

Returns

true if the key has been pressed. false otherwise.

References controller_key_cs4(), and GUI_UPDATE_VIEW_PLAYBACK.

Referenced by navigation_task(), and playback_task().

bool controller_switch_to_navigation_view

(

enum gui_update_view

view

)

This function is called to check if the user has requested to move to the navigation view.

Parameters

view	The current view.

Returns

true if the key has been pressed. false otherwise.

References controller_key_cs1(), and GUI_UPDATE_VIEW_PLAYBACK.

Referenced by config_task(), and playback_task().

bool controller_switch_to_playback_view

(

enum gui_update_view

view

)

This function is called to check if the user has requested to move to the playback view.

Parameters

view	The current view.

Returns

true if the key has been pressed. false otherwise.

References controller_key_cs1(), controller_key_cs4(), GUI_UPDATE_VIEW_CONFIG, and GUI_UPDATE_VIEW_NAVIGATION.

Referenced by config_task(), and navigation_task().

bool controller_wheel_left

(

int

wheel_inc

)

References controller_state, STATE_WHEEL_LEFT, and wheel_step_counter.

Referenced by controller_config_previous_option(), controller_navigation_cursor_previous(), controller_playback_frw(), state_machine_filter(), state_machine_idle(), state_machine_signal(), and state_machine_source().

bool controller_wheel_pressed

(

void

)

bool controller_wheel_right

(

int

wheel_inc

)

References controller_state, STATE_WHEEL_RIGHT, and wheel_step_counter.

Referenced by controller_config_next_option(), controller_navigation_cursor_next(), controller_playback_ffw(), state_machine_filter(), state_machine_idle(), state_machine_signal(), and state_machine_source().

static bool is_key_pressed ( int  all_keys, int  key_num  )

inlinestatic

Referenced by controller_keys_update().

ISR	(	rtc_irq	,
		AVR32_RTC_IRQ_GROUP	,
		AVR32_INTC_INT0
	)

Interrupt.

References controller_keys_update(), Data, Read_data, rtc_clear_interrupt(), special_qt60168_report_all_key(), spi_read(), spi_selectChip(), and spi_unselectChip().

void rtc_init_qt

(

void

)

Referenced by controller_init().

static void set_wheel_left ( )

inlinestatic

References controller_state, STATE_WHEEL_LEFT, STATE_WHEEL_RIGHT, and wheel_step_counter.

Referenced by update_controller_state().

static void set_wheel_right ( )

inlinestatic

Set key status.

References controller_state, STATE_WHEEL_LEFT, STATE_WHEEL_RIGHT, and wheel_step_counter.

Referenced by update_controller_state().

static int special_qt60168_get_reply ( unsigned short *  data )

static

References Data, QT60168_CMD_NULL_COMMAND, and special_qt60168_send_cmd().

Referenced by special_qt60168_report_all_key().

bool special_qt60168_get_reply60168_report_all_key

(

unsigned short *

data

)

static bool special_qt60168_report_all_key ( unsigned short *  data )

static

"Report all key" status handling

References QT60168_CMD_REPORT_ALL_KEYS, report_state, special_qt60168_get_reply(), and special_qt60168_send_cmd().

Referenced by ISR(), and rtc_irq().

static int special_qt60168_send_cmd ( unsigned char  cmd )

static

References Read_data, spi_selectChip(), spi_unselectChip(), spi_write(), and state.

Referenced by special_qt60168_get_reply(), and special_qt60168_report_all_key().

static void update_controller_state ( void  )

static

References controller_state, cpu_is_timeout(), cpu_ms_2_cy(), cpu_set_timeout(), FCPU_HZ, SET_PRESSED_STATE, SET_RELEASED_STATE, set_wheel_left(), set_wheel_right(), STATE_WHEEL_DOWN_RELEASED, STATE_WHEEL_LEFT, STATE_WHEEL_LEFT_RELEASED, STATE_WHEEL_RIGHT, STATE_WHEEL_RIGHT_RELEASED, STATE_WHEEL_UP_RELEASED, TOUCH_PRESS, TOUCH_RELEASE, touch_states, and wheel_step_counter.

Referenced by controller_keys_update().

enum controller_state_t controller_state = STATE_IDLE

Referenced by controller_clear(), controller_key_cs1(), controller_key_cs2(), controller_key_cs3(), controller_key_cs4(), controller_key_pressed(), controller_key_released(), controller_navigation_change_directory(), controller_navigation_cursor_next(), controller_navigation_cursor_previous(), controller_navigation_go_to_parent_directory(), controller_playback_decrease_volume(), controller_playback_increase_volume(), controller_playback_next_track(), controller_playback_previous_track(), controller_reset(), controller_wheel_left(), controller_wheel_pressed(), controller_wheel_right(), set_wheel_left(), set_wheel_right(), and update_controller_state().

t_cpu_time cpu_time_clear_wheel

static

unsigned short Data

static

Referenced by ISR(), and special_qt60168_get_reply().

int Read_data = 0

static

Referenced by ISR(), and special_qt60168_send_cmd().

int report_state = 0

static

Referenced by special_qt60168_report_all_key().

enum { ... } touch_states[QT60168_TOUCH_NUMBER_OF_SENSORS]

Referenced by controller_clear(), controller_keys_update(), main(), and update_controller_state().

int wheel_step_counter = 0

static

Referenced by controller_reset(), controller_wheel_left(), controller_wheel_right(), set_wheel_left(), set_wheel_right(), and update_controller_state().