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-rw-r--r--src/drivers/boards/px4io-v1/board_config.h2
-rw-r--r--src/drivers/boards/px4io-v2/board_config.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/src/drivers/boards/px4io-v1/board_config.h b/src/drivers/boards/px4io-v1/board_config.h
index 48aadbd76..d136a3dd8 100644
--- a/src/drivers/boards/px4io-v1/board_config.h
+++ b/src/drivers/boards/px4io-v1/board_config.h
@@ -92,4 +92,4 @@
#define HRT_TIMER 1 /* use timer1 for the HRT */
#define HRT_TIMER_CHANNEL 2 /* use capture/compare channel 2 */
#define HRT_PPM_CHANNEL 1 /* use capture/compare channel 1 */
-#define GPIO_PPM_IN GPIO_TIM1_CH1IN
+#define GPIO_PPM_IN (GPIO_ALT|GPIO_CNF_AFPU|GPIO_MODE_50MHz|GPIO_PORTE|GPIO_PIN9)
diff --git a/src/drivers/boards/px4io-v2/board_config.h b/src/drivers/boards/px4io-v2/board_config.h
index 4d41d0d07..3de6ddbd3 100644
--- a/src/drivers/boards/px4io-v2/board_config.h
+++ b/src/drivers/boards/px4io-v2/board_config.h
@@ -122,7 +122,7 @@
#define HRT_TIMER 1 /* use timer1 for the HRT */
#define HRT_TIMER_CHANNEL 2 /* use capture/compare channel 2 */
#define HRT_PPM_CHANNEL 1 /* use capture/compare channel 1 */
-#define GPIO_PPM_IN GPIO_TIM1_CH1IN
+#define GPIO_PPM_IN (GPIO_ALT|GPIO_CNF_AFPU|GPIO_MODE_50MHz|GPIO_PORTE|GPIO_PIN9)
/* LED definitions ******************************************************************/
/* PX4 has two LEDs that we will encode as: */