From e89fabb963e5af1f71067a32f06c9a740f497e54 Mon Sep 17 00:00:00 2001 From: "Michael (XIAO Xufeng)" Date: Thu, 1 Apr 2021 14:59:29 +0800 Subject: [PATCH] spi_docs: Fixed the default value of max_transfer_sz. --- components/driver/include/driver/spi_common.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/components/driver/include/driver/spi_common.h b/components/driver/include/driver/spi_common.h index 05d7d2c776..03d320c588 100644 --- a/components/driver/include/driver/spi_common.h +++ b/components/driver/include/driver/spi_common.h @@ -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