diff options
Diffstat (limited to 'nuttx/configs/stm32f4discovery')
-rwxr-xr-x | nuttx/configs/stm32f4discovery/README.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/nuttx/configs/stm32f4discovery/README.txt b/nuttx/configs/stm32f4discovery/README.txt index 09a2bb2b0..a1fe2c356 100755 --- a/nuttx/configs/stm32f4discovery/README.txt +++ b/nuttx/configs/stm32f4discovery/README.txt @@ -883,6 +883,29 @@ STM32F4Discovery-specific Configuration Options CONFIG_SDIO_WIDTH_D1_ONLY - Select 1-bit transfer mode. Default: 4-bit transfer mode. + STM32 USB OTG FS Host Driver Support + + Pre-requisites + + CONFIG_USBDEV - Enable USB device support + CONFIG_USBHOST - Enable USB host support + CONFIG_STM32_OTGFS - Enable the STM32 USB OTG FS block + CONFIG_STM32_SYSCFG - Needed + CONFIG_SCHED_WORKQUEUE - Worker thread support is required + + Options: + + CONFIG_STM32_OTGFS_RXFIFO_SIZE - Size of the RX FIFO in 32-bit words. + Default 128 (512 bytes) + CONFIG_STM32_OTGFS_NPTXFIFO_SIZE - Size of the non-periodic Tx FIFO + in 32-bit words. Default 96 (384 bytes) + CONFIG_STM32_OTGFS_PTXFIFO_SIZE - Size of the periodic Tx FIFO in 32-bit + words. Default 96 (384 bytes) + CONFIG_STM32_OTGFS_SOFINTR - Enable SOF interrupts. Why would you ever + want to do that? + CONFIG_STM32_USBHOST_REGDEBUG - Enable very low-level register access + debug. Depends on CONFIG_DEBUG. + Configurations ============== |