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stm32/mpconfigboard_common: Provide default spidev config.

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Signed-off-by: Damien George <damien@micropython.org>
This commit is contained in:
Damien George 2023-05-24 16:17:58 +10:00
parent 0832fc53ce
commit 3b370157d0
1 changed files with 15 additions and 0 deletions
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15
ports/stm32/mpconfigboard_common.h
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@ -499,6 +499,21 @@
#define MICROPY_HW_BDEV_WRITEBLOCK flash_bdev_writeblock
#endif
#if defined(MICROPY_HW_BDEV_SPIFLASH)
// Provide block device macros using spi_bdev.
// The board must provide settings for:
// - MICROPY_HW_BDEV_SPIFLASH - pointer to a spi_bdev_t
// - MICROPY_HW_BDEV_SPIFLASH_CONFIG - pointer to an mp_spiflash_config_t
// - MICROPY_HW_BDEV_SPIFLASH_SIZE_BYTES - size in bytes of the SPI flash
#define MICROPY_HW_BDEV_IOCTL(op, arg) ( \
(op) == BDEV_IOCTL_NUM_BLOCKS ? (MICROPY_HW_BDEV_SPIFLASH_SIZE_BYTES / FLASH_BLOCK_SIZE) : \
(op) == BDEV_IOCTL_INIT ? spi_bdev_ioctl(MICROPY_HW_BDEV_SPIFLASH, (op), (uint32_t)MICROPY_HW_BDEV_SPIFLASH_CONFIG) : \
spi_bdev_ioctl(MICROPY_HW_BDEV_SPIFLASH, (op), (arg)) \
)
#define MICROPY_HW_BDEV_READBLOCKS(dest, bl, n) spi_bdev_readblocks(MICROPY_HW_BDEV_SPIFLASH, (dest), (bl), (n))
#define MICROPY_HW_BDEV_WRITEBLOCKS(src, bl, n) spi_bdev_writeblocks(MICROPY_HW_BDEV_SPIFLASH, (src), (bl), (n))
#endif
// Whether to enable caching for external SPI flash, to allow block writes that are
// smaller than the native page-erase size of the SPI flash, eg when FAT FS is used.
// Enabling this enables spi_bdev_readblocks() and spi_bdev_writeblocks() functions,