__always_inline static int is_pressed(short idx) {
#if BOARD == EVK1104
return qt60168_is_key_pressed(idx_to_button_map[idx]);
#else
return (gpio_get_pin_value(button[idx]) == BUTTON_PRESSED);
#endif
}
void controller_task(void)
{
int i;
for (i=0; i<QT60168_TOUCH_NUMBER_OF_SENSORS; i++ )
{
if (qt60168_is_key_pressed(i))
touch_states[i] = TOUCH_PRESS;
else if (touch_states[i] == TOUCH_PRESS)
touch_states[i] = TOUCH_RELEASE;
else
touch_states[i] = TOUCH_IDLE;
}
update_controller_state();
}
/**
* \name Button defines and functions
* @{
*/
void ui_buttons_read()
{
static uint8_t rr = 0;
static uint8_t button_is_pressed;
switch (rr) {
case 0x00:
if (qt60168_is_key_pressed(QT60168_TOUCH_SENSOR_BUTTON_0)) {
if (!(button_is_pressed & (1 << BUTTON_ONE))) {
ui_button_state_changed = BUTTON_ONE;
button_is_pressed |= (1 << BUTTON_ONE);
}
} else {
button_is_pressed &= ~(1 << BUTTON_ONE);
}
rr++;
break;
case 0x01:
if (qt60168_is_key_pressed(QT60168_TOUCH_SENSOR_BUTTON_1)) {
if (!(button_is_pressed & (1 << BUTTON_TWO))) {
ui_button_state_changed = BUTTON_TWO;
button_is_pressed |= (1 << BUTTON_TWO);
}
} else {
button_is_pressed &= ~(1 << BUTTON_TWO);
}
rr++;
break;
case 0x02:
if (qt60168_is_key_pressed(QT60168_TOUCH_SENSOR_BUTTON_2)) {
if (!(button_is_pressed & (1 << BUTTON_THREE))) {
ui_button_state_changed = BUTTON_THREE;
button_is_pressed |= (1 << BUTTON_THREE);
}
} else {
button_is_pressed &= ~(1 << BUTTON_THREE);
}
rr++;
break;
case 0x03:
if (qt60168_is_key_pressed(QT60168_TOUCH_SENSOR_BUTTON_3)) {
if (!(button_is_pressed & (1 << BUTTON_FOUR))) {
ui_button_state_changed = BUTTON_FOUR;
button_is_pressed |= (1 << BUTTON_FOUR);
}
} else {
button_is_pressed &= ~(1 << BUTTON_FOUR);
}
rr = 0x00;
break;
default:
break;
}
}
/*! \brief Initializes QT60168 resources: GPIO and SPI
*/
static void qt60168_resources_init(void)
{
static const gpio_map_t QT60168_SPI_GPIO_MAP =
{
{QT60168_SPI_SCK_PIN, QT60168_SPI_SCK_FUNCTION }, // SPI Clock.
{QT60168_SPI_MISO_PIN, QT60168_SPI_MISO_FUNCTION }, // MISO.
{QT60168_SPI_MOSI_PIN, QT60168_SPI_MOSI_FUNCTION }, // MOSI.
{QT60168_SPI_NPCS0_PIN, QT60168_SPI_NPCS0_FUNCTION} // Chip Select NPCS.
};
// SPI options.
spi_options_t spiOptions =
{
.reg = QT60168_SPI_NCPS,
.baudrate = QT60168_SPI_MASTER_SPEED, // Defined in conf_qt60168.h.
.bits = QT60168_SPI_BITS, // Defined in conf_qt60168.h.
.spck_delay = 0,
.trans_delay = 0,
.stay_act = 0,
.spi_mode = 3,
.modfdis = 1
};
// Assign I/Os to SPI.
gpio_enable_module(QT60168_SPI_GPIO_MAP,
sizeof(QT60168_SPI_GPIO_MAP) / sizeof(QT60168_SPI_GPIO_MAP[0]));
// Initialize as master.
spi_initMaster(QT60168_SPI, &spiOptions);
// Set selection mode: variable_ps, pcs_decode, delay.
spi_selectionMode(QT60168_SPI, 0, 0, 0);
// Enable SPI.
spi_enable(QT60168_SPI);
// Initialize QT60168 with SPI clock Osc0.
spi_setupChipReg(QT60168_SPI, &spiOptions, FOSC0);
}
typedef enum
{
DEMO_COLOR_ALL=0
, DEMO_COLOR_BLUE
, DEMO_COLOR_RED
, DEMO_COLOR_GREEN
, DEMO_COLOR_MAX
} demo_color_t;
typedef enum
{
DEMO_DISPLAY_BOXES=0
, DEMO_DISPLAY_WHEEL
, DEMO_DISPLAY_MAX
} demo_display_t;
/*! \brief Main function
*/
int main(void)
{
int i;
bool idle=false; // Detect key transition (PRESSED -> RELEASED)
U32 x_start;
U32 y_start;
U32 x_size;
U32 y_size;
U16 color;
const U16 icon[QT60168_TOUCH_NUMBER_OF_SENSORS] = {0, 1*16, 2*16, 3*16, 4*16, 5*16, -1, -1, 6*16, 7*16, 8*16, 9*16, 10*16, 11*16, -1, -1};
demo_color_t demo_color=DEMO_COLOR_ALL;
demo_display_t demo_display=DEMO_DISPLAY_WHEEL;
bool touch_states[QT60168_TOUCH_NUMBER_OF_SENSORS];
// Switch the main clock to the external oscillator 0
pm_switch_to_osc0(&AVR32_PM, FOSC0, OSC0_STARTUP);
// Initialize RS232 debug text output.
init_dbg_rs232(FOSC0);
// Initialize QT60168 resources: GPIO, SPI and QT60168.
qt60168_resources_init();
// Initialize QT60168 component.
qt60168_init(FOSC0);
// Initialize the LCD.
et024006_Init( FOSC0/*CPU*/, FOSC0/*HSB*/);
// Clear the display i.e. make it black
et024006_DrawFilledRect(0, 0, ET024006_WIDTH, ET024006_HEIGHT, BLACK );
// Set the backlight.
gpio_set_gpio_pin(ET024006DHU_BL_PIN);
// Display welcome string.
et024006_PrintString("QT60168 EXAMPLE", (const unsigned char *)&FONT8x8, 110, 5, WHITE, -1);
et024006_PrintString("Press the QTouch sensors.", (const unsigned char *)&FONT6x8, 95, 20, WHITE, -1);
et024006_PrintString("Color: All", (const unsigned char *)&FONT6x8, 10, 200, WHITE, -1);
et024006_PrintString("Display sensors", (const unsigned char *)&FONT6x8, 120, 200, WHITE, -1);
et024006_DrawLine(DEMO_START_X, DEMO_START_Y-1, DEMO_START_X+DEMO_SIZE_X, DEMO_START_Y-1, WHITE );
et024006_DrawLine(DEMO_START_X, DEMO_START_Y+DEMO_SIZE_Y+1, DEMO_START_X+DEMO_SIZE_X, DEMO_START_Y+DEMO_SIZE_Y+1, WHITE );
// Memorize the status for each key.
for( i=0 ; i<QT60168_TOUCH_NUMBER_OF_SENSORS ; i++ )
touch_states[i] = qt60168_is_key_pressed(i);
// Set LED state in a known state.
gpio_set_gpio_pin(LED0_GPIO);
gpio_set_gpio_pin(LED1_GPIO);
gpio_set_gpio_pin(LED2_GPIO);
gpio_set_gpio_pin(LED3_GPIO);
while(1)
{
for( i=0 ; i<QT60168_TOUCH_NUMBER_OF_SENSORS ; i++)
{
// Test Press event on sensors
//
if( !touch_states[i] && qt60168_is_key_pressed(i) )
{
touch_states[i] = true;
if( i==QT60168_TOUCH_SENSOR_BUTTON_0 )
{
gpio_tgl_gpio_pin(LED0_GPIO);
et024006_PrintString("B0", (const unsigned char *)&FONT6x8, 10, 215, WHITE, -1);
demo_color=(demo_color+1) % DEMO_COLOR_MAX;
// Erase previous line
et024006_DrawFilledRect(10, 200, 80, 10, BLACK );
switch( demo_color )
{
case DEMO_COLOR_BLUE:
et024006_PrintString("Color: Blue", (const unsigned char *)&FONT6x8, 10, 200, WHITE, -1);
break;
case DEMO_COLOR_RED:
et024006_PrintString("Color: Red", (const unsigned char *)&FONT6x8, 10, 200, WHITE, -1);
break;
case DEMO_COLOR_GREEN:
et024006_PrintString("Color: Green", (const unsigned char *)&FONT6x8, 10, 200, WHITE, -1);
break;
default:
et024006_PrintString("Color: All", (const unsigned char *)&FONT6x8, 10, 200, WHITE, -1);
break;
}
}
else if( i==QT60168_TOUCH_SENSOR_BUTTON_1 )
{
gpio_tgl_gpio_pin(LED1_GPIO);
et024006_PrintString("B1", (const unsigned char *)&FONT6x8, 30, 215, WHITE, -1);
demo_display=(demo_display+1) % DEMO_DISPLAY_MAX;
// Erase previous line
et024006_DrawFilledRect(120, 200, 160, 10, BLACK );
switch( demo_display )
{
case DEMO_DISPLAY_WHEEL:
et024006_PrintString("Display sensors", (const unsigned char *)&FONT6x8, 120, 200, WHITE, -1);
break;
case DEMO_DISPLAY_BOXES:
default:
et024006_PrintString("Display random boxes", (const unsigned char *)&FONT6x8, 120, 200, WHITE, -1);
break;
}
// Erase display
et024006_DrawFilledRect(DEMO_START_X, DEMO_START_Y, DEMO_SIZE_X, DEMO_SIZE_Y, BLACK );
}
else if( i==QT60168_TOUCH_SENSOR_BUTTON_2 )
{
gpio_tgl_gpio_pin(LED2_GPIO);
et024006_PrintString("B2", (const unsigned char *)&FONT6x8, 50, 215, WHITE, -1);
}
else if( i==QT60168_TOUCH_SENSOR_BUTTON_3 )
{
gpio_tgl_gpio_pin(LED3_GPIO);
et024006_PrintString("B3", (const unsigned char *)&FONT6x8, 70, 215, WHITE, -1);
}
else
{
// Press transition detected for the wheel
idle = false;
// Draw Wheel[i]
et024006_DrawFilledRect(100 + icon[i], 215-2, 10, 10, WHITE );
}
}
// Test Release event on sensors
//
if(touch_states[i] && !qt60168_is_key_pressed(i))
{
touch_states[i] = false;
if( i==QT60168_TOUCH_SENSOR_BUTTON_0 )
{ // Erase "B0"
et024006_DrawFilledRect(10, 215-2, 12, 12, BLACK );
}
else if( i==QT60168_TOUCH_SENSOR_BUTTON_1 )
{ // Erase "B1"
et024006_DrawFilledRect(30, 215-2, 12, 12, BLACK );
}
else if( i==QT60168_TOUCH_SENSOR_BUTTON_2 )
{ // Erase "B2"
et024006_DrawFilledRect(50, 215-2, 12, 12, BLACK );
}
else if( i==QT60168_TOUCH_SENSOR_BUTTON_3 )
{ // Erase "B3"
et024006_DrawFilledRect(70, 215-2, 12, 12, BLACK );
}
else
{ // Erase Wheel[i]
et024006_DrawFilledRect(100 + icon[i], 215-2, 10, 10, BLACK );
}
}
} // for...
if( demo_display==DEMO_DISPLAY_WHEEL )
{
if( touch_states[QT60168_TOUCH_SENSOR_BUTTON_0] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(30, 50, DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
if( touch_states[QT60168_TOUCH_SENSOR_BUTTON_1] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(30, 80, DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
if( touch_states[QT60168_TOUCH_SENSOR_BUTTON_2] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(30, 110, DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
if( touch_states[QT60168_TOUCH_SENSOR_BUTTON_3] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(30, 140, DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
if( touch_states[QT60168_TOUCH_SENSOR_WHEEL_0] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(DEMO_WHEEL_START_X + DEMO_WHEEL_RADIUS*SIN0,
DEMO_WHEEL_START_Y - DEMO_WHEEL_RADIUS*COS0,
DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
if( touch_states[QT60168_TOUCH_SENSOR_WHEEL_1] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(DEMO_WHEEL_START_X + DEMO_WHEEL_RADIUS*SIN30,
DEMO_WHEEL_START_Y - DEMO_WHEEL_RADIUS*COS30,
DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
if( touch_states[QT60168_TOUCH_SENSOR_WHEEL_2] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(DEMO_WHEEL_START_X + DEMO_WHEEL_RADIUS*SIN60,
DEMO_WHEEL_START_Y - DEMO_WHEEL_RADIUS*COS60,
DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
if( touch_states[QT60168_TOUCH_SENSOR_WHEEL_3] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(DEMO_WHEEL_START_X + DEMO_WHEEL_RADIUS*SIN90,
DEMO_WHEEL_START_Y - DEMO_WHEEL_RADIUS*COS90,
DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
if( touch_states[QT60168_TOUCH_SENSOR_WHEEL_4] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(DEMO_WHEEL_START_X + DEMO_WHEEL_RADIUS*SIN60,
DEMO_WHEEL_START_Y + DEMO_WHEEL_RADIUS*COS60,
DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
if( touch_states[QT60168_TOUCH_SENSOR_WHEEL_5] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(DEMO_WHEEL_START_X + DEMO_WHEEL_RADIUS*SIN30,
DEMO_WHEEL_START_Y + DEMO_WHEEL_RADIUS*COS30,
DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
if( touch_states[QT60168_TOUCH_SENSOR_WHEEL_6] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(DEMO_WHEEL_START_X - DEMO_WHEEL_RADIUS*SIN0,
DEMO_WHEEL_START_Y + DEMO_WHEEL_RADIUS*COS0,
DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
if( touch_states[QT60168_TOUCH_SENSOR_WHEEL_7] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(DEMO_WHEEL_START_X - DEMO_WHEEL_RADIUS*SIN30,
DEMO_WHEEL_START_Y + DEMO_WHEEL_RADIUS*COS30,
DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
if( touch_states[QT60168_TOUCH_SENSOR_WHEEL_8] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(DEMO_WHEEL_START_X - DEMO_WHEEL_RADIUS*SIN60,
DEMO_WHEEL_START_Y + DEMO_WHEEL_RADIUS*COS60,
DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
if( touch_states[QT60168_TOUCH_SENSOR_WHEEL_9] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(DEMO_WHEEL_START_X - DEMO_WHEEL_RADIUS*SIN90,
DEMO_WHEEL_START_Y + DEMO_WHEEL_RADIUS*COS90,
DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
if( touch_states[QT60168_TOUCH_SENSOR_WHEEL_10] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(DEMO_WHEEL_START_X - DEMO_WHEEL_RADIUS*SIN60,
DEMO_WHEEL_START_Y - DEMO_WHEEL_RADIUS*COS60,
DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
if( touch_states[QT60168_TOUCH_SENSOR_WHEEL_11] ) color = WHITE;
else color = BLUE;
et024006_DrawFilledRect(DEMO_WHEEL_START_X - DEMO_WHEEL_RADIUS*SIN30,
DEMO_WHEEL_START_Y - DEMO_WHEEL_RADIUS*COS30,
DEMO_WHEEL_SIZE_X, DEMO_WHEEL_SIZE_Y, color );
}
else if( !idle && ( demo_display==DEMO_DISPLAY_BOXES ) )
{ // Display a box randomly on the screen.
idle = true;
x_start = DEMO_START_X + rand()%DEMO_SIZE_X;
y_start = DEMO_START_Y + rand()%DEMO_SIZE_Y;
x_size = rand()%(DEMO_START_X+DEMO_SIZE_X-x_start);
y_size = rand()%(DEMO_START_Y+DEMO_SIZE_Y-y_start);
color = rand()%0x10000;
switch( demo_color )
{
case DEMO_COLOR_BLUE:
color = color & BLUE;
break;
case DEMO_COLOR_RED:
color = color & RED;
break;
case DEMO_COLOR_GREEN:
color = color & GREEN;
break;
default:
break;
}
et024006_DrawFilledRect(
x_start
, y_start
, x_size
, y_size
, color );
}
} // while(1)...
}
