usbconsole.cpp File Reference

Detailed Description

USB-over-serial configuration.

Date

Oct 14, 2013

Author

Andrey Belomutskiy, (c) 2012-2020

Definition in file usbconsole.cpp.

Functions
void	usb_serial_start ()
	Main function of PDL.
bool	is_usb_serial_ready ()

Variables
static bool	isUsbSerialInitialized = false

Function Documentation

is_usb_serial_ready()

bool is_usb_serial_ready

(

)

Definition at line 54 of file usbconsole.cpp.

                           {
    return isUsbSerialInitialized && SDU1.config->usbp->state == USB_ACTIVE;
}

usb_serial_start()

void usb_serial_start

(

void

)

Main function of PDL.

start USB serial using hard-coded communications pins (see comments inside the code)

Definition at line 23 of file usbconsole.cpp.

                        {
#ifndef BOARD_SERIAL
    // populate serial number based on chip unique number
    usbPopulateSerialNumber(MCU_SERIAL_NUMBER_LOCATION, MCU_SERIAL_NUMBER_BYTES);
#endif
 
    efiSetPadMode("USB DM", EFI_USB_SERIAL_DM, PAL_MODE_ALTERNATE(EFI_USB_AF));
    efiSetPadMode("USB DP", EFI_USB_SERIAL_DP, PAL_MODE_ALTERNATE(EFI_USB_AF));
 
    /*
     * 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.
     */
// See also https://github.com/rusefi/rusefi/issues/705
#ifndef EFI_SKIP_USB_DISCONNECT
    usbDisconnectBus(serusbcfg.usbp);
    chThdSleepMilliseconds(250);
#endif/* EFI_SKIP_USB_DISCONNECT */
    usbStart(serusbcfg.usbp, &usbcfg);
    usbConnectBus(serusbcfg.usbp);
 
    isUsbSerialInitialized = true;
}

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Variable Documentation

isUsbSerialInitialized

bool isUsbSerialInitialized = false

static

Definition at line 18 of file usbconsole.cpp.

Go to the source code of this file.