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Use dedicated GPIOs in examples to show how to emulate a UART, I2C and SPI bus. (Using assembly and C)
22 lines
629 B
Plaintext
22 lines
629 B
Plaintext
menu "Example Configuration"
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orsource "$IDF_PATH/examples/common_components/env_caps/$IDF_TARGET/Kconfig.env_caps"
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config EMULATE_UART_GPIO_TX
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int "GPIO pin for UART TX"
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range ENV_GPIO_RANGE_MIN ENV_GPIO_OUT_RANGE_MAX
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default 0 if IDF_TARGET_ARCH_RISCV
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default 16
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help
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GPIO pin number to be used as UART TX.
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config EMULATE_UART_GPIO_RX
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int "GPIO pin for UART RX"
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range ENV_GPIO_RANGE_MIN ENV_GPIO_OUT_RANGE_MAX
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default 2 if IDF_TARGET_ARCH_RISCV
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default 17
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help
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GPIO pin number to be used as UART RX.
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endmenu
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