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| author | px4dev <px4@purgatory.org> | 2012-08-22 22:25:45 -0700 |
|---|---|---|
| committer | px4dev <px4@purgatory.org> | 2012-08-22 22:25:45 -0700 |
| commit | 0f74d08960753d8be7d04749c5c9b3153ed4813e (patch) | |
| tree | 1f7510017b0e2f21d0dc574f9669765bbea13111 | |
| parent | a0b9c056d78604397a407c86e3ad13d19fed372a (diff) | |
| download | px4-firmware-0f74d08960753d8be7d04749c5c9b3153ed4813e.tar.gz px4-firmware-0f74d08960753d8be7d04749c5c9b3153ed4813e.tar.bz2 px4-firmware-0f74d08960753d8be7d04749c5c9b3153ed4813e.zip | |
I2C configuration options to support up_i2creset
| -rwxr-xr-x | nuttx/configs/px4fmu/include/board.h | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/nuttx/configs/px4fmu/include/board.h b/nuttx/configs/px4fmu/include/board.h index 29ad52c61..60a295f8d 100755 --- a/nuttx/configs/px4fmu/include/board.h +++ b/nuttx/configs/px4fmu/include/board.h @@ -265,15 +265,25 @@ /* * I2C + * + * The optional _GPIO configurations allow the I2C driver to manually + * reset the bus to clear stuck slaves. They match the pin configuration, + * but are normally-high GPIOs. */ -#define GPIO_I2C1_SCL GPIO_I2C1_SCL_2 -#define GPIO_I2C1_SDA GPIO_I2C1_SDA_2 - -#define GPIO_I2C2_SCL GPIO_I2C2_SCL_1 -#define GPIO_I2C2_SDA GPIO_I2C2_SDA_1 - -#define GPIO_I2C3_SCL GPIO_I2C3_SCL_1 -#define GPIO_I2C3_SDA GPIO_I2C3_SDA_1 +#define GPIO_I2C1_SCL GPIO_I2C1_SCL_2 +#define GPIO_I2C1_SDA GPIO_I2C1_SDA_2 +#define GPIO_I2C1_SCL_GPIO (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN8) +#define GPIO_I2C1_SDA_GPIO (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN9) + +#define GPIO_I2C2_SCL GPIO_I2C2_SCL_1 +#define GPIO_I2C2_SDA GPIO_I2C2_SDA_1 +#define GPIO_I2C2_SCL_GPIO (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN10) +#define GPIO_I2C2_SDA_GPIO (GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN11) + +#define GPIO_I2C3_SCL GPIO_I2C3_SCL_1 +#define GPIO_I2C3_SDA GPIO_I2C3_SDA_1 +#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_PORTC|GPIO_PIN9) /* * I2C busses |