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66 lines
1.8 KiB
Plaintext
66 lines
1.8 KiB
Plaintext
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# Copyright (c) 2021 Gunar Schorcht
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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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menuconfig MODULE_PCF857X
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bool "PCF857x Remote I/O Expander for I2C Bus"
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depends on HAS_PERIPH_GPIO
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depends on HAS_PERIPH_I2C
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depends on TEST_KCONFIG
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select MODULE_PERIPH_GPIO
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select MODULE_PERIPH_I2C
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help
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Driver for Texas Instruments PCF857X I2C I/O expanders.
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The driver supports the PCF8574, PCF8574A, and PCF8575 variants.
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Select the variants used by your application.
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if MODULE_PCF857X
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config MODULE_PCF8574
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bool "PCF8574 Remote 8-Bit I/O is used"
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config MODULE_PCF8574A
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bool "PCF8574A Remote 8-Bit I/O is used"
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config MODULE_PCF8575
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bool "PCF8575 Remote 16-Bit I/O is used"
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default y
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config MODULE_PCF857X_IRQ
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bool "Interrupt support for PCF857x I/O Expander pins"
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depends on MODULE_PCF857X
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depends on HAS_PERIPH_GPIO_IRQ
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select MODULE_PERIPH_GPIO_IRQ
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select MODULE_EVENT
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select MODULE_EVENT_THREAD
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help
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To use the IRQs the MODULE_EVENT_THREAD symbol should be set.
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choice
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bool "Thread priority"
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depends on MODULE_PCF857X_IRQ
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default MODULE_PCF857X_IRQ_MEDIUM
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help
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To process IRQs an event thread is used. The MODULE_EVENT_THREAD
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symbol should be set. Choose a priority for the thread that
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processes the IRQs. The default is medium priority.
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config MODULE_PCF857X_IRQ_LOW
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bool "Low"
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select MODULE_EVENT_THREAD_LOW
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config MODULE_PCF857X_IRQ_MEDIUM
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bool "Medium"
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select MODULE_EVENT_THREAD_MEDIUM
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config MODULE_PCF857X_IRQ_HIGHEST
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bool "Highest"
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select MODULE_EVENT_THREAD_HIGHEST
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endchoice
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endif # MODULE_PCF857X
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