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A couple of `stdio` backend implementations allow to check for the number of available bytes for reading before the blocking `stdio_read` is called. This helps to implement non-blocking functionalities while waiting for `stdin`.
70 lines
1.5 KiB
Plaintext
70 lines
1.5 KiB
Plaintext
# Copyright (c) 2020 HAW Hamburg
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#
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# This file is subject to the terms and conditions of the GNU Lesser
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# General Public License v2.1. See the file LICENSE in the top level
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# directory for more details.
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#
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menu "Standard Input/Output (STDIO)"
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depends on TEST_KCONFIG
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choice STDIO_IMPLEMENTATION
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bool "STDIO implementation"
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default MODULE_STDIO_NATIVE if CPU_ARCH_NATIVE
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default MODULE_STDIO_UART
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# TODO: add MODULE_STDIO_ETHOS
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config MODULE_STDIO_RTT
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bool "JLink RTT"
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select MODULE_ZTIMER
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select MODULE_ZTIMER_MSEC
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config MODULE_SLIPDEV_STDIO
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bool "SLIP network device"
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depends on MODULE_SLIPDEV
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select USE_STDOUT_BUFFERED
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select MODULE_ISRPIPE
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config MODULE_STDIO_NULL
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bool "Null"
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help
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Empty implementation.
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config MODULE_STDIO_UART
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bool "UART"
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depends on HAS_PERIPH_UART
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select MODULE_PERIPH_UART
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config MODULE_STDIO_NATIVE
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bool "Native"
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depends on CPU_ARCH_NATIVE
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endchoice
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config MODULE_STDIN
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bool "Standard Input"
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config MODULE_STDIO_UART_RX
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bool
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depends on MODULE_STDIO_UART
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select MODULE_ISRPIPE
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default y if MODULE_STDIN
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help
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Reception when using UART-based STDIO needs to be enabled.
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config MODULE_STDIO_AVAILABLE
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bool
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help
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Indicates that the implementation supports function stdio_available
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config MODULE_PRINTF_FLOAT
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bool "Float support in printf"
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config USE_STDOUT_BUFFERED
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bool
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help
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Select this to prefer buffered standard output if provided by the implementation.
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endmenu # Standard Input/Output (STDIO)
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