/**
* \brief Shows on display an explanation of how to use the demonstration
* SW1 pressed skips this explanation.
*/
static void main_introduction(void)
{
LED_On(LED3_GPIO); /* Keep power LED on */
/* Display Atmel logo */
if (!main_introduction_is_exist()) {
gfx_mono_generic_put_bitmap(&bitmap_atmel, 10, 0);
gfx_mono_draw_string(DISPLAY_INTRO_MSG_EXIT,
0, 25, &sysfont);
}
main_introduction_delay(DISPLAY_INTRO_ATMEL_DELAY);
/* Display message */
if (!main_introduction_is_exist()) {
gfx_mono_init();
gfx_mono_draw_string(DISPLAY_INTRO_MSG_A,
0, 10 * 0, &sysfont);
gfx_mono_draw_string(DISPLAY_INTRO_MSG_B,
0, 10 * 1, &sysfont);
gfx_mono_draw_string(DISPLAY_INTRO_MSG_C,
0, 10 * 2, &sysfont);
}
main_introduction_delay(DISPLAY_INTRO_HELP_DELAY);
/* Display help */
if (!main_introduction_is_exist()) {
gfx_mono_init();
gfx_mono_draw_string(DISPLAY_INTRO_HELP_A,
0, 10 * 0, &sysfont);
gfx_mono_draw_string(DISPLAY_INTRO_HELP_B,
0, 10 * 1, &sysfont);
gfx_mono_draw_string(DISPLAY_INTRO_HELP_C,
0, 10 * 2, &sysfont);
}
main_introduction_delay(DISPLAY_INTRO_HELP_DELAY);
/* Display help */
if (!main_introduction_is_exist()) {
gfx_mono_init();
gfx_mono_draw_string(DISPLAY_INTRO_INF_A,
0, 10 * 0, &sysfont);
gfx_mono_draw_string(DISPLAY_INTRO_INF_B,
0, 10 * 1, &sysfont);
gfx_mono_draw_string(DISPLAY_INTRO_INF_C,
0, 10 * 2, &sysfont);
}
main_introduction_delay(DISPLAY_INTRO_HELP_DELAY);
/* Clean display */
gfx_mono_init();
}
void app_usb_task(void)
{
static bool sw0_released = true;
static bool usb_running = false;
static bool cdc_running = false;
static bool toggle = true;
if (sw0_released && ioport_pin_is_low(GPIO_PUSH_BUTTON_0)) {
/* A new press has been done */
sw0_released = false;
/* Switch USB state */
if (usb_running) {
udc_stop();
gfx_mono_draw_filled_rect(DISPLAY_USB_STA_POS_X,
DISPLAY_USB_STA_POS_Y,
DISPLAY_USB_STA_SIZE_X,
DISPLAY_USB_STA_SIZE_Y,
GFX_PIXEL_CLR);
app_microsd_start();
} else {
/* Stop FatFS on uSD card if enabled */
app_microsd_stop();
stdio_usb_init(); /* Start USB */
gfx_mono_generic_put_bitmap(&bitmap_usb,
DISPLAY_USB_STA_POS_X,
DISPLAY_USB_STA_POS_Y);
}
usb_running = !usb_running;
cdc_running = true;
} else {
/* Wait switch release */
sw0_released = ioport_pin_is_high(GPIO_PUSH_BUTTON_0);
}
if (!usb_running) {
return;
}
/* USB MSC task */
while (udi_msc_process_trans()) {
}
if (app_usb_cdc_open && !cdc_running) {
printf("\x0CSensor data logs:\r\n");
cdc_running = true;
}
if (!app_usb_cdc_open && cdc_running) {
cdc_running = false;
}
/* Toggle USB icon */
if ((app_usb_cdc_open && app_usb_rec_toggle) ||
(toggle && app_usb_rec_toggle)) {
app_usb_rec_toggle = false;
toggle = !toggle;
gfx_mono_draw_rect(DISPLAY_USB_STACDC_POS_X,
DISPLAY_USB_STACDC_POS_Y,
DISPLAY_USB_STACDC_SIZE_X,
DISPLAY_USB_STACDC_SIZE_Y,
toggle ? GFX_PIXEL_SET : GFX_PIXEL_CLR);
}
}
