spi_docs: Fixed the default value of max_transfer_sz.

(cherry picked from commit e89fabb963)
This commit is contained in:
Michael (XIAO Xufeng)
2021-04-01 14:59:29 +08:00
committed by songruojing
parent 789914a405
commit b59c06c107

View File

@ -85,7 +85,7 @@ 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 64 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