diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/st/stm32_fsdev/fsdev_common.c | 2 | ||||
| -rw-r--r-- | src/portable/st/stm32_fsdev/fsdev_common.h | 3 |
2 files changed, 3 insertions, 2 deletions
diff --git a/src/portable/st/stm32_fsdev/fsdev_common.c b/src/portable/st/stm32_fsdev/fsdev_common.c index 3f3973a9d..4b7c1ad5f 100644 --- a/src/portable/st/stm32_fsdev/fsdev_common.c +++ b/src/portable/st/stm32_fsdev/fsdev_common.c @@ -123,7 +123,7 @@ void fsdev_btable_workaround_delay(bool low_speed) { uint32_t cycle_count = low_speed ? CFG_TUSB_FSDEV_BTABLE_LS_DELAY_COUNT : CFG_TUSB_FSDEV_BTABLE_FS_DELAY_COUNT; volatile uint32_t delay_count = cycle_count; while (delay_count > 0U) { - delay_count--; // each count take 3 cycles (1 for sub, jump, and compare) + delay_count--; // each count takes 3 cycles (1 for sub, jump, and compare) } #else (void) low_speed; diff --git a/src/portable/st/stm32_fsdev/fsdev_common.h b/src/portable/st/stm32_fsdev/fsdev_common.h index bf4941794..2da80fd73 100644 --- a/src/portable/st/stm32_fsdev/fsdev_common.h +++ b/src/portable/st/stm32_fsdev/fsdev_common.h @@ -469,7 +469,8 @@ uint16_t pma_align_buffer_size(uint16_t size, uint8_t *blsize, uint8_t *num_bloc // Set RX buffer size void btable_set_rx_bufsize(uint32_t ep_id, uint8_t buf_id, uint16_t wCount); -// STM32 FSDEV PMA Buffer Description Table errata workaround delay. +// Delay helper for STM32 FSDEV PMA Buffer Description Table errata (ES0561/ES0587). +// Low-speed path uses CFG_TUSB_FSDEV_BTABLE_LS_DELAY_COUNT, otherwise full-speed count. void fsdev_btable_workaround_delay(bool low_speed); #ifdef __cplusplus |