diff options
Diffstat (limited to 'nuttx/configs/stm3210e-eval')
| -rwxr-xr-x | nuttx/configs/stm3210e-eval/README.txt | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/nuttx/configs/stm3210e-eval/README.txt b/nuttx/configs/stm3210e-eval/README.txt index 5117c0c80..ccc7d7e6e 100755 --- a/nuttx/configs/stm3210e-eval/README.txt +++ b/nuttx/configs/stm3210e-eval/README.txt @@ -347,13 +347,11 @@ STM3210E-EVAL-specific Configuration Options CONFIG_U[S]ARTn_PARTIY - 0=no parity, 1=odd parity, 2=even parity CONFIG_U[S]ARTn_2STOP - Two stop bits - CONFIG_SPI_POLLWAIT - Select to disable interrupt driven SPI support. - Poll-waiting is recommended if the interrupt rate would be to - high in the interrupt driven case. - CONFIG_SPI_TXLIMIT - Write this many words to the Tx FIFO before - emptying the Rx FIFO. If the SPI frequency is high and this - value is large, then larger values of this setting may cause - Rx FIFO overrun errors. Default: half of the Tx FIFO size (4). + CONFIG_STM32_SPI_INTERRUPT - Select to enable interrupt driven SPI + support. Non-interrupt-driven, poll-waiting is recommended if the + interrupt rate would be to high in the interrupt driven case. + CONFIG_STM32_SPI_DMA - Use DMA to improve SPI transfer performance. + Cannot be used with CONFIG_STM32_SPI_INTERRUPT. Configurations ^^^^^^^^^^^^^^ |