diff options
Diffstat (limited to 'src/portable')
| -rw-r--r-- | src/portable/st/stm32_fsdev/fsdev_common.h | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/src/portable/st/stm32_fsdev/fsdev_common.h b/src/portable/st/stm32_fsdev/fsdev_common.h index c53e345b0..b749a92ff 100644 --- a/src/portable/st/stm32_fsdev/fsdev_common.h +++ b/src/portable/st/stm32_fsdev/fsdev_common.h @@ -63,23 +63,21 @@ TU_VERIFY_STATIC(FSDEV_BTABLE_BASE % 8 == 0, "BTABLE base must be aligned to 8 b // CFG_TUSB_FSDEV_PMA_SIZE is PMA buffer size in bytes. // - 512-byte devices, access with a stride of two words (use every other 16-bit address) -// - 1024-byte devices, access with a stride of one word (use every 16-bit address) +// - 1024-byte devices, access with a stride of one word (use every 16-bit address) or 32-bit address // - 2048-byte devices, access with 32-bit address - -// For purposes of accessing the packet -#if CFG_TUSB_FSDEV_PMA_SIZE == 512 - // 1x16 bit / word access scheme - #define FSDEV_PMA_STRIDE 2 - #define pma_access_scheme TU_ATTR_ALIGNED(4) -#elif CFG_TUSB_FSDEV_PMA_SIZE == 1024 - // 2x16 bit / word access scheme - #define FSDEV_PMA_STRIDE 1 - #define pma_access_scheme -#elif CFG_TUSB_FSDEV_PMA_SIZE == 2048 +#if CFG_TUSB_FSDEV_PMA_SIZE == 2048 || TU_CHECK_MCU(OPT_MCU_STM32U0) // 32 bit access scheme #define FSDEV_BUS_32BIT #define FSDEV_PMA_STRIDE 1 #define pma_access_scheme +#elif CFG_TUSB_FSDEV_PMA_SIZE == 1024 + // 2x16 bit / word access scheme + #define FSDEV_PMA_STRIDE 1 + #define pma_access_scheme +#elif CFG_TUSB_FSDEV_PMA_SIZE == 512 + // 1x16 bit / word access scheme + #define FSDEV_PMA_STRIDE 2 + #define pma_access_scheme TU_ATTR_ALIGNED(4) #endif // The fsdev_bus_t type can be used for both register and PMA access necessities |