mirror of https://github.com/rusefi/rusefi-1.git
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/**
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* @file usbconsole.c
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* @brief USB-over-serial configuration
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*
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* @date Oct 14, 2013
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* @author Andrey Belomutskiy, (c) 2012-2020
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*/
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#include "global.h"
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#include "os_access.h"
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#if EFI_USB_SERIAL
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#include "usbconsole.h"
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#include "usbcfg.h"
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static bool isUsbSerialInitialized = false;
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/**
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* start USB serial using hard-coded communications pins (see comments inside the code)
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*/
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void usb_serial_start(void) {
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/*
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* Initializes a serial-over-USB CDC driver.
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*/
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sduObjectInit(&SDU1);
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sduStart(&SDU1, &serusbcfg);
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/*
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* Activates the USB driver and then the USB bus pull-up on D+.
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* Note, a delay is inserted in order to not have to disconnect the cable
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* after a reset.
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*/
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// See also https://github.com/rusefi/rusefi/issues/705
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#ifndef EFI_SKIP_USB_DISCONNECT
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usbDisconnectBus(serusbcfg.usbp);
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chThdSleepMilliseconds(1500);
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#endif/* EFI_SKIP_USB_DISCONNECT */
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usbStart(serusbcfg.usbp, &usbcfg);
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usbConnectBus(serusbcfg.usbp);
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#if HAL_USE_SERIAL
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efiSetPadMode("USB ID", EFI_USB_SERIAL_ID, PAL_MODE_ALTERNATE(EFI_USB_AF));
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efiSetPadMode("USB DM", EFI_USB_SERIAL_DM, PAL_MODE_ALTERNATE(EFI_USB_AF));
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efiSetPadMode("USB DP", EFI_USB_SERIAL_DP, PAL_MODE_ALTERNATE(EFI_USB_AF));
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/*
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* Activates the serial driver using the driver default configuration.
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*/
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sdStart(&USB_SERIAL_DRIVER, NULL);
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#endif /* HAL_USE_SERIAL */
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isUsbSerialInitialized = true;
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}
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bool is_usb_serial_ready(void) {
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return isUsbSerialInitialized && SDU1.config->usbp->state == USB_ACTIVE;
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}
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#else
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bool is_usb_serial_ready(void) {
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return false;
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}
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#endif /* EFI_USB_SERIAL */
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