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feat(boards): fmu-v6x: reduce I2C4 GPIO speed from 50MHz to 25MHz (#26434)
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* fmu-v6x: reduce I2C4 GPIO speed from 50MHz to 25MHz

Lower the I2C4 SCL/SDA GPIO slew rate to 25MHz to improve signal
integrity and reduce EMI on the I2C4 bus.

* Overriding speed bits

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
This commit is contained in:
Farhang
2026-04-23 14:21:04 -07:00
committed by Ramon Roche
co-authored by Copilot
parent 43162e74a7
commit af8a33fd41
1 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
boards/px4/fmu-v6x/nuttx-config/include/board.h
+4 -4
View File
@@ -470,11 +470,11 @@
#define GPIO_I2C3_SCL_GPIO (GPIO_OUTPUT | GPIO_OPENDRAIN |GPIO_SPEED_50MHz | GPIO_OUTPUT_SET | GPIO_PORTA | GPIO_PIN8)
#define GPIO_I2C3_SDA_GPIO (GPIO_OUTPUT | GPIO_OPENDRAIN |GPIO_SPEED_50MHz | GPIO_OUTPUT_SET | GPIO_PORTH | GPIO_PIN8)
#define GPIO_I2C4_SCL GPIO_I2C4_SCL_2 /* PF14 */
#define GPIO_I2C4_SDA GPIO_I2C4_SDA_2 /* PF15 */
#define GPIO_I2C4_SCL ((GPIO_I2C4_SCL_2 & ~GPIO_SPEED_MASK) | GPIO_SPEED_25MHz) /* PF14 */
#define GPIO_I2C4_SDA ((GPIO_I2C4_SDA_2 & ~GPIO_SPEED_MASK) | GPIO_SPEED_25MHz) /* PF15 */
#define GPIO_I2C4_SCL_GPIO (GPIO_OUTPUT | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET | GPIO_PORTF | GPIO_PIN14)
#define GPIO_I2C4_SDA_GPIO (GPIO_OUTPUT | GPIO_OPENDRAIN | GPIO_SPEED_50MHz | GPIO_OUTPUT_SET | GPIO_PORTF | GPIO_PIN15)
#define GPIO_I2C4_SCL_GPIO (GPIO_OUTPUT | GPIO_OPENDRAIN | GPIO_SPEED_25MHz | GPIO_OUTPUT_SET | GPIO_PORTF | GPIO_PIN14)
#define GPIO_I2C4_SDA_GPIO (GPIO_OUTPUT | GPIO_OPENDRAIN | GPIO_SPEED_25MHz | GPIO_OUTPUT_SET | GPIO_PORTF | GPIO_PIN15)
/* SDMMC2
*