# Copyright (c) 2020 HAW Hamburg
#
# This file is subject to the terms and conditions of the GNU Lesser
# General Public License v2.1. See the file LICENSE in the top level
# directory for more details.
#
menuconfig KCONFIG_USEMODULE_USBUS_CDC_ACM
    bool "Configure USBUS CDC ACM"
    depends on USEMODULE_USBUS_CDC_ACM
    depends on KCONFIG_USEMODULE_USBUS
    help
        Configure the USBUS CDC ACM module via Kconfig.

menuconfig MODULE_USBUS_CDC_ACM
    bool "Configure USBUS CDC ACM"
    depends on MODULE_USBUS
    help
        Configure the USBUS CDC ACM module via Kconfig.

if MODULE_USBUS_CDC_ACM || KCONFIG_USEMODULE_USBUS_CDC_ACM

config USBUS_CDC_ACM_STDIO_BUF_SIZE_EXP
    int "Buffer size for STDIN and STDOUT data (as exponent of 2^n)"
    depends on USEMODULE_STDIO_CDC_ACM || MODULE_STDIO_CDC_ACM
    default 7
    range 0 31
    help
        As buffer size ALWAYS needs to be power of two, this changes this option
        represents the exponent of 2^n, which will be used as the size of the
        buffer.

choice
    bool "USB CDC ACM bulk endpoint size"
    default USBUS_CDC_ACM_BULK_EP_SIZE_64
    help
        This configures the maximum amount of bytes (chars) sent per transfer
        over the USB connection.

config USBUS_CDC_ACM_BULK_EP_SIZE_8
    bool "8"

config USBUS_CDC_ACM_BULK_EP_SIZE_16
    bool "16"

config USBUS_CDC_ACM_BULK_EP_SIZE_32
    bool "32"

config USBUS_CDC_ACM_BULK_EP_SIZE_64
    bool "64"

endchoice

endif # MODULE_USBUS_CDC_ACM

# extend STDIO options
choice STDIO_IMPLEMENTATION

config MODULE_STDIO_CDC_ACM
    bool "CDC ACM"
    depends on MODULE_USBUS || KCONFIG_USEMODULE_USBUS
    depends on MODULE_USBUS_CDC_ACM && !MODULE_TINYUSB_DEVICE
    select MODULE_ISRPIPE
    select MODULE_STDIO_AVAILABLE
    select USE_STDOUT_BUFFERED


endchoice