serialPort_t *usbVcpOpen(void)
{
vcpPort_t *s;
IOInit(IOGetByTag(IO_TAG(PA11)), OWNER_USB, 0);
IOInit(IOGetByTag(IO_TAG(PA12)), OWNER_USB, 0);
#if defined(STM32F4)
usbGenerateDisconnectPulse();
switch (usbDevConfig()->type) {
#ifdef USE_USB_CDC_HID
case COMPOSITE:
USBD_Init(&USB_OTG_dev, USB_OTG_FS_CORE_ID, &USR_desc, &USBD_HID_CDC_cb, &USR_cb);
break;
#endif
default:
USBD_Init(&USB_OTG_dev, USB_OTG_FS_CORE_ID, &USR_desc, &USBD_CDC_cb, &USR_cb);
break;
}
#elif defined(STM32F7)
usbGenerateDisconnectPulse();
/* Init Device Library */
USBD_Init(&USBD_Device, &VCP_Desc, 0);
/* Add Supported Class */
switch (usbDevConfig()->type) {
#ifdef USE_USB_CDC_HID
case COMPOSITE:
USBD_RegisterClass(&USBD_Device, USBD_HID_CDC_CLASS);
break;
#endif
default:
USBD_RegisterClass(&USBD_Device, USBD_CDC_CLASS);
break;
}
/* HID Interface doesn't have any callbacks... */
/* Add CDC Interface Class */
USBD_CDC_RegisterInterface(&USBD_Device, &USBD_CDC_fops);
/* Start Device Process */
USBD_Start(&USBD_Device);
#else
Set_System();
Set_USBClock();
USB_Init();
USB_Interrupts_Config();
#endif
s = &vcpPort;
s->port.vTable = usbVTable;
return (serialPort_t *)s;
}
void buttonsHandleColdBootButtonPresses(void)
{
uint8_t secondsRemaining = 10;
bool bothButtonsHeld;
do {
bothButtonsHeld = !digitalIn(BUTTON_A_PORT, BUTTON_A_PIN) && !digitalIn(BUTTON_B_PORT, BUTTON_B_PIN);
if (bothButtonsHeld) {
if (--secondsRemaining == 0) {
resetEEPROM();
systemReset();
}
if (secondsRemaining > 5) {
delay(1000);
} else {
// flash quicker after a few seconds
delay(500);
LED0_TOGGLE;
delay(500);
}
LED0_TOGGLE;
}
} while (bothButtonsHeld);
// buttons released between 5 and 10 seconds
if (secondsRemaining < 5) {
usbGenerateDisconnectPulse();
flashLedsAndBeep();
systemResetToBootloader();
}
}
