rusefi-1/firmware/hw_layer/serial_over_usb/usbconsole.c

57 lines
1.1 KiB
C

/**
* @file usbconsole.c
* @brief USB-over-serial configuration
*
* @date Oct 14, 2013
* @author Andrey Belomutskiy, (c) 2012-2018
*/
#include "global.h"
#if EFI_USB_SERIAL || defined(__DOXYGEN__)
#include "usbconsole.h"
#include "usbcfg.h"
#include "efifeatures.h"
static bool isUsbSerialInitialized = false;
void usb_serial_start(void) {
/*
* Initializes a serial-over-USB CDC driver.
*/
sduObjectInit(&SDU1);
sduStart(&SDU1, &serusbcfg);
/*
* Activates the USB driver and then the USB bus pull-up on D+.
* Note, a delay is inserted in order to not have to disconnect the cable
* after a reset.
*/
usbDisconnectBus(serusbcfg.usbp);
chThdSleepMilliseconds(1500);
usbStart(serusbcfg.usbp, &usbcfg);
usbConnectBus(serusbcfg.usbp);
#if HAL_USE_SERIAL
/*
* Activates the serial driver 2 using the driver default configuration.
*/
sdStart(&SD2, NULL);
#endif
isUsbSerialInitialized = true;
}
bool is_usb_serial_ready(void) {
return isUsbSerialInitialized && SDU1.config->usbp->state == USB_ACTIVE;
}
#else
bool is_usb_serial_ready(void) {
return false;
}
#endif /* EFI_USB_SERIAL */