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Diffstat (limited to 'nuttx/configs/stm3240g-eval/README.txt')
| -rwxr-xr-x | nuttx/configs/stm3240g-eval/README.txt | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/nuttx/configs/stm3240g-eval/README.txt b/nuttx/configs/stm3240g-eval/README.txt index 8813ac821..5bed82cc8 100755 --- a/nuttx/configs/stm3240g-eval/README.txt +++ b/nuttx/configs/stm3240g-eval/README.txt @@ -15,6 +15,7 @@ Contents - LEDs - Ethernet - PWM + - CAN - Configurations Development Environment @@ -220,6 +221,40 @@ FSMC must be disabled in this case! PD13 is available at: TFT LCD Connector, CN19, pin 17 -- not available without removing the LCD. Motor Control Connector CN15, pin 33 -- not available unless you bridge SB14. +CAN +=== + +Connector 10 (CN10) is DB-9 male connector that can be used with CAN1 or CAN2. + + JP10 connects CAN1_RX or CAN2_RX to the CAN transceiver + JP3 connects CAN1_TX or CAN2_TX to the CAN transceiver + +CAN signals are then available on CN10 pins: + + CN10 Pin 7 = CANH + CN10 Pin 2 = CANL + +Mapping to STM32 GPIO pins: + + PD0 = FSMC_D2 & CAN1_RX + PD1 = FSMC_D3 & CAN1_TX + PB13 = ULPI_D6 & CAN2_TX + PB5 = ULPI_D7 & CAN2_RX + +Configuration Options: + + 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_STM32_CAN1 - Enable support for CAN1 + CONFIG_CAN1_BAUD - CAN1 BAUD rate. Required if CONFIG_STM32_CAN1 is defined. + CONFIG_STM32_CAN2 - Enable support for CAN1 + CONFIG_CAN2_BAUD - CAN1 BAUD rate. Required if CONFIG_STM32_CAN2 is defined. + STM3240G-EVAL-specific Configuration Options ============================================ |