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-rw-r--r--src/drivers/boards/px4fmu-v2/board_config.h2
-rw-r--r--src/drivers/boards/px4fmu-v2/px4fmu_spi.c13
2 files changed, 15 insertions, 0 deletions
diff --git a/src/drivers/boards/px4fmu-v2/board_config.h b/src/drivers/boards/px4fmu-v2/board_config.h
index ec8dde499..534394274 100644
--- a/src/drivers/boards/px4fmu-v2/board_config.h
+++ b/src/drivers/boards/px4fmu-v2/board_config.h
@@ -85,11 +85,13 @@ __BEGIN_DECLS
#define GPIO_SPI_CS_ACCEL_MAG (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTC|GPIO_PIN15)
#define GPIO_SPI_CS_BARO (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTD|GPIO_PIN7)
#define GPIO_SPI_CS_FRAM (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTD|GPIO_PIN10)
+#define GPIO_SPI_CS_MPU (GPIO_OUTPUT|GPIO_PUSHPULL|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTC|GPIO_PIN2)
/* Use these in place of the spi_dev_e enumeration to select a specific SPI device on SPI1 */
#define PX4_SPIDEV_GYRO 1
#define PX4_SPIDEV_ACCEL_MAG 2
#define PX4_SPIDEV_BARO 3
+#define PX4_SPIDEV_MPU 4
/* I2C busses */
#define PX4_I2C_BUS_EXPANSION 1
diff --git a/src/drivers/boards/px4fmu-v2/px4fmu_spi.c b/src/drivers/boards/px4fmu-v2/px4fmu_spi.c
index 09838d02f..2527e4c14 100644
--- a/src/drivers/boards/px4fmu-v2/px4fmu_spi.c
+++ b/src/drivers/boards/px4fmu-v2/px4fmu_spi.c
@@ -73,6 +73,7 @@ __EXPORT void weak_function stm32_spiinitialize(void)
stm32_configgpio(GPIO_SPI_CS_GYRO);
stm32_configgpio(GPIO_SPI_CS_ACCEL_MAG);
stm32_configgpio(GPIO_SPI_CS_BARO);
+ stm32_configgpio(GPIO_SPI_CS_MPU);
/* De-activate all peripherals,
* required for some peripheral
@@ -81,6 +82,7 @@ __EXPORT void weak_function stm32_spiinitialize(void)
stm32_gpiowrite(GPIO_SPI_CS_GYRO, 1);
stm32_gpiowrite(GPIO_SPI_CS_ACCEL_MAG, 1);
stm32_gpiowrite(GPIO_SPI_CS_BARO, 1);
+ stm32_gpiowrite(GPIO_SPI_CS_MPU, 1);
#endif
#ifdef CONFIG_STM32_SPI2
@@ -99,6 +101,7 @@ __EXPORT void stm32_spi1select(FAR struct spi_dev_s *dev, enum spi_dev_e devid,
stm32_gpiowrite(GPIO_SPI_CS_GYRO, !selected);
stm32_gpiowrite(GPIO_SPI_CS_ACCEL_MAG, 1);
stm32_gpiowrite(GPIO_SPI_CS_BARO, 1);
+ stm32_gpiowrite(GPIO_SPI_CS_MPU, 1);
break;
case PX4_SPIDEV_ACCEL_MAG:
@@ -106,6 +109,7 @@ __EXPORT void stm32_spi1select(FAR struct spi_dev_s *dev, enum spi_dev_e devid,
stm32_gpiowrite(GPIO_SPI_CS_GYRO, 1);
stm32_gpiowrite(GPIO_SPI_CS_ACCEL_MAG, !selected);
stm32_gpiowrite(GPIO_SPI_CS_BARO, 1);
+ stm32_gpiowrite(GPIO_SPI_CS_MPU, 1);
break;
case PX4_SPIDEV_BARO:
@@ -113,6 +117,15 @@ __EXPORT void stm32_spi1select(FAR struct spi_dev_s *dev, enum spi_dev_e devid,
stm32_gpiowrite(GPIO_SPI_CS_GYRO, 1);
stm32_gpiowrite(GPIO_SPI_CS_ACCEL_MAG, 1);
stm32_gpiowrite(GPIO_SPI_CS_BARO, !selected);
+ stm32_gpiowrite(GPIO_SPI_CS_MPU, 1);
+ break;
+
+ case PX4_SPIDEV_MPU:
+ /* Making sure the other peripherals are not selected */
+ stm32_gpiowrite(GPIO_SPI_CS_GYRO, 1);
+ stm32_gpiowrite(GPIO_SPI_CS_ACCEL_MAG, 1);
+ stm32_gpiowrite(GPIO_SPI_CS_BARO, 1);
+ stm32_gpiowrite(GPIO_SPI_CS_MPU, !selected);
break;
default: