diff options
Diffstat (limited to 'nuttx/configs/stm32f4discovery/README.txt')
| -rwxr-xr-x | nuttx/configs/stm32f4discovery/README.txt | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/nuttx/configs/stm32f4discovery/README.txt b/nuttx/configs/stm32f4discovery/README.txt index 2675bbb42..405639c9c 100755 --- a/nuttx/configs/stm32f4discovery/README.txt +++ b/nuttx/configs/stm32f4discovery/README.txt @@ -398,12 +398,33 @@ stm32f4discovery-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 + STM3240xxx CAN Configuration + + CONFIG_CAN - Enables CAN support (one or both of CONFIG_STM32_CAN1 or + CONFIG_STM32_CAN2 must also be defined) + CONFIG_CAN_FIFOSIZE - The size of the circular buffer of CAN messages. + Default: 8 + CONFIG_CAN_NPENDINGRTR - The size of the list of pending RTR requests. + Default: 4 + CONFIG_CAN_LOOPBACK - A CAN driver may or may not support a loopback + mode for testing. The STM32 CAN driver does support loopback mode. + CONFIG_CAN1_BAUD - CAN1 BAUD rate. Required if CONFIG_STM32_CAN1 is defined. + CONFIG_CAN2_BAUD - CAN1 BAUD rate. Required if CONFIG_STM32_CAN2 is defined. + CONFIG_CAN_TSEG1 - The number of CAN time quanta in segment 1. Default: 6 + CONFIG_CAN_TSEG2 - the number of CAN time quanta in segment 2. Default: 7 + CONFIG_CAN_REGDEBUG - If CONFIG_DEBUG is set, this will generate an + dump of all CAN registers. + + STM3240xxx SPI Configuration + CONFIG_STM32_SPI_INTERRUPTS - 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. + STM3240xxx DMA Configuration + CONFIG_SDIO_DMA - Support DMA data transfers. Requires CONFIG_STM32_SDIO and CONFIG_STM32_DMA2. CONFIG_SDIO_PRI - Select SDIO interrupt prority. Default: 128 |