From 0252909fc9ec0ec3224bbec1cf30e3750d2987d4 Mon Sep 17 00:00:00 2001
From: ziggurat29 <dev@ziggurat29.com>
Date: Wed, 25 May 2016 13:09:52 -0500
Subject: [PATCH] altered pin defs for I2C pins; these needed to be specified
as open-drain (otherwise they are push-pull)
---
configs/nucleo-l476rg/include/board.h | 8 ++++----
configs/stm32l476vg-disco/include/board.h | 8 ++++----
2 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/configs/nucleo-l476rg/include/board.h b/configs/nucleo-l476rg/include/board.h
index cc132e838b..0c3131abc3 100644
--- a/configs/nucleo-l476rg/include/board.h
+++ b/configs/nucleo-l476rg/include/board.h
@@ -109,15 +109,15 @@
* but are normally-high GPIOs.
*/
-#define GPIO_I2C1_SCL GPIO_I2C1_SCL_2
-#define GPIO_I2C1_SDA GPIO_I2C1_SDA_2
+#define GPIO_I2C1_SCL (GPIO_I2C1_SCL_2|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET)
+#define GPIO_I2C1_SDA (GPIO_I2C1_SDA_2|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET)
#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_I2C2_SCL_1|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET)
+#define GPIO_I2C2_SDA (GPIO_I2C2_SDA_1|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET)
#define GPIO_I2C2_SCL_GPIO \
(GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN10)
#define GPIO_I2C2_SDA_GPIO \
diff --git a/configs/stm32l476vg-disco/include/board.h b/configs/stm32l476vg-disco/include/board.h
index c3e1efd354..c05f74a7e5 100644
--- a/configs/stm32l476vg-disco/include/board.h
+++ b/configs/stm32l476vg-disco/include/board.h
@@ -115,8 +115,8 @@
*
*/
-#define GPIO_I2C1_SCL GPIO_I2C1_SCL_1
-#define GPIO_I2C1_SDA GPIO_I2C1_SDA_1
+#define GPIO_I2C1_SCL (GPIO_I2C1_SCL_1|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET)
+#define GPIO_I2C1_SDA (GPIO_I2C1_SDA_1|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET)
#define GPIO_I2C1_SCL_GPIO \
(GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN6)
#define GPIO_I2C1_SDA_GPIO \
@@ -126,8 +126,8 @@
#if 0
-#define GPIO_I2C2_SCL GPIO_I2C2_SCL_1
-#define GPIO_I2C2_SDA GPIO_I2C2_SDA_1
+#define GPIO_I2C2_SCL (GPIO_I2C2_SCL_1|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET)
+#define GPIO_I2C2_SDA (GPIO_I2C2_SDA_1|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET)
#define GPIO_I2C2_SCL_GPIO \
(GPIO_OUTPUT|GPIO_OPENDRAIN|GPIO_SPEED_50MHz|GPIO_OUTPUT_SET|GPIO_PORTB|GPIO_PIN10)
#define GPIO_I2C2_SDA_GPIO \
--
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