mirror of https://github.com/FOME-Tech/fome-fw.git
66 lines
1.4 KiB
C
66 lines
1.4 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) 2012-2018
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*/
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#include "global.h"
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#if EFI_USB_SERIAL || defined(__DOXYGEN__)
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#include "usbconsole.h"
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#include "usbcfg.h"
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#include "efifeatures.h"
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static bool isUsbSerialInitialized = false;
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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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usbDisconnectBus(serusbcfg.usbp);
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chThdSleepMilliseconds(1500);
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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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/**
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* todo: start taking USB pins from configuration?
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* at the moment USB pinout is hard-coded in board.h file
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*
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* PA10/PA11/PA12
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* #define GPIOA_OTG_FS_ID 10
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* #define GPIOA_OTG_FS_DM 11
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* #define GPIOA_OTG_FS_DP 12
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*/
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/*
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* Activates the serial driver 2 using the driver default configuration.
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*/
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sdStart(&SD2, NULL);
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#endif
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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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