384e940c66
Deprecate mode which is using TIMER+(D)PPI for reliable byte counting. Recently a new approach is added (CONFIG_UART_NRFX_UARTE_ENHANCED_RX) which supports reliable byte counting without additional HW resource. This mode is planned to be the only supported RX path mode. Enhanced RX has slightly different behavior. There are no partial RX packets (events with non-zero offset). There is UART_RX_BUF_RELEASED after each UART_RX_RDY event. Signed-off-by: Krzysztof Chruściński <krzysztof.chruscinski@nordicsemi.no>
184 lines
4.1 KiB
Plaintext
184 lines
4.1 KiB
Plaintext
# nrfx UART configuration
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# Copyright (c) 2016 - 2018, Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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menuconfig UART_NRFX
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bool "nRF UART nrfx drivers"
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default y
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select SERIAL_HAS_DRIVER
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select SERIAL_SUPPORT_INTERRUPT
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select SERIAL_SUPPORT_ASYNC
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select PINCTRL
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depends on DT_HAS_NORDIC_NRF_UART_ENABLED || DT_HAS_NORDIC_NRF_UARTE_ENABLED
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help
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Enable support for nrfx UART drivers for nRF MCU series.
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Peripherals with the same instance ID cannot be used together,
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e.g. UART_0 and UARTE_0.
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if UART_NRFX
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config UART_NRFX_UART
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def_bool y
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depends on DT_HAS_NORDIC_NRF_UART_ENABLED
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config UART_NRFX_UARTE
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def_bool y
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depends on DT_HAS_NORDIC_NRF_UARTE_ENABLED
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imply NRFX_UARTE_CONFIG_SKIP_PSEL_CONFIG if !UART_NRFX_UARTE_LEGACY_SHIM
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imply NRFX_UARTE_CONFIG_SKIP_GPIO_CONFIG if !UART_NRFX_UARTE_LEGACY_SHIM
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config UART_NRFX_UARTE_LEGACY_SHIM
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bool "Legacy UARTE shim"
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depends on UART_NRFX_UARTE
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default y
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config UART_NRFX_UARTE_ENHANCED_RX
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bool "Enhanced RX handling"
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depends on UART_ASYNC_API
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depends on UART_NRFX_UARTE_LEGACY_SHIM
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default y
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help
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Enable RX handling mode which is switching buffers on timeout. This is an
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enhancement compared to other two modes (default and hardware assisted).
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Default mode could miscount bytes when interrupt was not handled on time
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and hardware assisted required TIMER peripheral instance and PPI channel
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for accurate byte counting.
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config UART_ASYNC_TX_CACHE_SIZE
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int "TX cache buffer size"
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depends on UART_ASYNC_API
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depends on UART_NRFX_UARTE_LEGACY_SHIM
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default 8
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help
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For UARTE, TX cache buffer is used when provided TX buffer is not located
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in RAM, because EasyDMA in UARTE peripherals can only transfer data
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from RAM.
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if HAS_HW_NRF_UART0 || HAS_HW_NRF_UARTE0
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nrfx_uart_num = 0
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE1
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nrfx_uart_num = 1
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE2
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nrfx_uart_num = 2
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE3
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nrfx_uart_num = 3
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE00
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nrfx_uart_num = 00
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE20
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nrfx_uart_num = 20
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE21
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nrfx_uart_num = 21
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE22
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nrfx_uart_num = 22
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE30
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nrfx_uart_num = 30
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE120
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nrfx_uart_num = 120
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE130
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nrfx_uart_num = 130
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE131
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nrfx_uart_num = 131
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE132
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nrfx_uart_num = 132
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE133
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nrfx_uart_num = 133
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE134
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nrfx_uart_num = 134
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE135
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nrfx_uart_num = 135
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE136
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nrfx_uart_num = 136
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rsource "Kconfig.nrfx_uart_instance"
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endif
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if HAS_HW_NRF_UARTE137
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nrfx_uart_num = 137
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rsource "Kconfig.nrfx_uart_instance"
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endif
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config NRFX_TIMER0
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default y
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depends on UART_0_NRF_HW_ASYNC_TIMER = 0 \
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|| UART_1_NRF_HW_ASYNC_TIMER = 0 \
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|| UART_2_NRF_HW_ASYNC_TIMER = 0 \
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|| UART_3_NRF_HW_ASYNC_TIMER = 0
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config NRFX_TIMER1
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default y
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depends on UART_0_NRF_HW_ASYNC_TIMER = 1 \
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|| UART_1_NRF_HW_ASYNC_TIMER = 1 \
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|| UART_2_NRF_HW_ASYNC_TIMER = 1 \
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|| UART_3_NRF_HW_ASYNC_TIMER = 1
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config NRFX_TIMER2
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default y
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depends on UART_0_NRF_HW_ASYNC_TIMER = 2 \
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|| UART_1_NRF_HW_ASYNC_TIMER = 2 \
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|| UART_2_NRF_HW_ASYNC_TIMER = 2 \
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|| UART_3_NRF_HW_ASYNC_TIMER = 2
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config NRFX_TIMER3
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default y
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depends on UART_0_NRF_HW_ASYNC_TIMER = 3 \
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|| UART_1_NRF_HW_ASYNC_TIMER = 3 \
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|| UART_2_NRF_HW_ASYNC_TIMER = 3 \
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|| UART_3_NRF_HW_ASYNC_TIMER = 3
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config NRFX_TIMER4
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default y
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depends on UART_0_NRF_HW_ASYNC_TIMER = 4 \
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|| UART_1_NRF_HW_ASYNC_TIMER = 4 \
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|| UART_2_NRF_HW_ASYNC_TIMER = 4 \
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|| UART_3_NRF_HW_ASYNC_TIMER = 4
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endif # UART_NRFX
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