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fmu-6x: fix Telem2 without flow control 

When flow control is used together with DMA, we need to add a pulldown
to CTS. Without it, it assumes flow control and gets stuck when
CTS is not connected.

Signed-off-by: Julian Oes <julian@oes.ch>
This commit is contained in:
Julian Oes 2024-01-24 12:10:35 +13:00
parent 103ddb5b3d
commit 2cfdea2edb
1 changed files with 3 additions and 1 deletions
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4
boards/px4/fmu-v6x/nuttx-config/include/board.h
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@ -380,7 +380,9 @@
#define GPIO_UART5_RX GPIO_UART5_RX_3 /* PD2 */
#define GPIO_UART5_TX GPIO_UART5_TX_3 /* PC12 */
// GPIO_UART5_RTS no remap /* PC8 */
// GPIO_UART5_CTS No remap /* PC9 */
#undef GPIO_UART5_CTS
#define GPIO_UART5_CTS ((GPIO_ALT|GPIO_AF8|GPIO_PORTC|GPIO_PIN9) | GPIO_PULLDOWN) /* PC9 */
#define GPIO_USART6_RX GPIO_USART6_RX_1 /* PC7 */
#define GPIO_USART6_TX GPIO_USART6_TX_1 /* PC6 */