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feat(driver_spi): 3wire sio mode support on slave_hd mode

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Wan Lei
2026-06-29 15:41:15 +08:00
parent 7bc0fc6870
commit c19e3df6c9
9 changed files with 89 additions and 176 deletions
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components/esp_driver_spi/include/driver/spi_slave_hd.h
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@@ -65,6 +65,7 @@ typedef struct {
#define SPI_SLAVE_HD_RXBIT_LSBFIRST (1<<1) ///< Receive data LSB first instead of the default MSB first
#define SPI_SLAVE_HD_BIT_LSBFIRST (SPI_SLAVE_HD_TXBIT_LSBFIRST|SPI_SLAVE_HD_RXBIT_LSBFIRST) ///< Transmit and receive LSB first
#define SPI_SLAVE_HD_APPEND_MODE (1<<2) ///< Adopt DMA append mode for transactions. In this mode, users can load(append) DMA descriptors without stopping the DMA
#define SPI_SLAVE_HD_3WIRE_MODE (1<<3) ///< Use MOSI (=spid) for both sending and receiving data, and the master should only use the 1-bit mask for SPI Slave HD commands
/// Configuration structure for the SPI Slave HD driver
typedef struct {