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@@ -10,7 +10,7 @@ The host signals can be mapped to any suitable GPIO pins.
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!!! note
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- The API on ESP32 differs from the API on ESP8266. For backwards compatibility please refer to [`lua_compat/spi_compat.lua`](../../../lua_compat/spi_compat.lua`).
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+ The API on ESP32 differs from the API on ESP8266. For backwards compatibility please refer to [`lua_compat/spi_compat.lua`](../../../lua_compat/spi_compat.lua).
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## spi.master()
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@@ -83,14 +83,14 @@ Adds a device on the given master bus. Up to three devices per bus are supported
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- `cs_ena_pretrans`, optional
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- `cs_ena_posttrans`, optional
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- `duty_cycle_pos`, optional
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-- `tx_lsb_first` transmit command/address/data LSB first if `true`, MSB first otherwise
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-- `rx_lsb_first` receive data LSB first if `true`, MSB first otherwise
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-- `wire3` use spiq for both transmit and receive if `true`, use mosi and miso otherwise
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-- `positive_cs` chip-select is active high during a transaction if `true`, cs is active low otherwise
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-- `halfduplex` transmit data before receiving data if `true`, transmit and receive simultaneously otherwise
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-- `clk_as_cs` output clock on cs line when cs is active if `true`
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-
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-#### Returns
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+- `tx_lsb_first` transmit command/address/data LSB first if `true`, MSB first otherwise (or if omitted)
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+- `rx_lsb_first` receive data LSB first if `true`, MSB first otherwise (or if omitted)
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+- `wire3` use spiq for both transmit and receive if `true`, use mosi and miso otherwise (or if omitted)
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+- `positive_cs` chip-select is active high during a transaction if `true`, cs is active low otherwise (or if omitted)
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+- `halfduplex` transmit data before receiving data if `true`, transmit and receive simultaneously otherwise (or if omitted)
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+- `clk_as_cs` output clock on cs line when cs is active if `true`, defaults to `false` if omitted
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+
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+#### Returns
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SPI device object
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#### Example
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