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spi_docs: Fixed the default value of max_transfer_sz.

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(cherry picked from commit e89fabb963e5af1f71067a32f06c9a740f497e54)
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Michael (XIAO Xufeng) 2021-04-01 14:59:29 +08:00 committed by songruojing
parent 4d53269a6d
commit 596d17a6cc
1 changed files with 1 additions and 1 deletions
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components/driver/include/driver/spi_common.h
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@ -106,7 +106,7 @@ typedef struct {
int sclk_io_num; ///< GPIO pin for Spi CLocK signal, or -1 if not used.
int quadwp_io_num; ///< GPIO pin for WP (Write Protect) signal which is used as D2 in 4-bit communication modes, or -1 if not used.
int quadhd_io_num; ///< GPIO pin for HD (HolD) signal which is used as D3 in 4-bit communication modes, or -1 if not used.
int max_transfer_sz; ///< Maximum transfer size, in bytes. Defaults to 4094 if 0.
int max_transfer_sz; ///< Maximum transfer size, in bytes. Defaults to 4092 if 0 when DMA enabled, or to `SOC_SPI_MAXIMUM_BUFFER_SIZE` if DMA is disabled.
uint32_t flags; ///< Abilities of bus to be checked by the driver. Or-ed value of ``SPICOMMON_BUSFLAG_*`` flags.
int intr_flags; /**< Interrupt flag for the bus to set the priority, and IRAM attribute, see
* ``esp_intr_alloc.h``. Note that the EDGE, INTRDISABLED attribute are ignored