From 8963bb69666bd4037281406c382699dad02e6110 Mon Sep 17 00:00:00 2001
From: SummerGift <SummerGift@qq.com>
Date: Wed, 26 Dec 2018 10:18:42 +0800
Subject: [PATCH] [bsp][stm32] restore soft iic driver

---
 bsp/stm32/libraries/HAL_Drivers/drv_soft_i2c.c | 5 +----
 bsp/stm32/libraries/HAL_Drivers/drv_soft_i2c.h | 9 ---------
 2 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_soft_i2c.c b/bsp/stm32/libraries/HAL_Drivers/drv_soft_i2c.c
index 81ea714cf0..a19c5c2984 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_soft_i2c.c
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_soft_i2c.c
@@ -18,7 +18,7 @@
 #define LOG_TAG              "drv.i2c"
 #include <drv_log.h>
 
-#if !defined(BSP_USING_I2C1) && !defined(BSP_USING_I2C2) && !defined(BSP_USING_I2C3) && !defined(BSP_USING_I2C4) 
+#if !defined(BSP_USING_I2C1) && !defined(BSP_USING_I2C2) && !defined(BSP_USING_I2C3)
 #error "Please define at least one BSP_USING_I2Cx"
 /* this driver can be disabled at menuconfig → RT-Thread Components → Device Drivers */
 #endif
@@ -34,9 +34,6 @@ static const struct stm32_soft_i2c_config soft_i2c_config[] =
 #ifdef BSP_USING_I2C3
     I2C3_BUS_CONFIG,
 #endif
-#ifdef BSP_USING_I2C4
-    I2C4_BUS_CONFIG,
-#endif
 };
 
 static struct stm32_i2c i2c_obj[sizeof(soft_i2c_config) / sizeof(soft_i2c_config[0])];
diff --git a/bsp/stm32/libraries/HAL_Drivers/drv_soft_i2c.h b/bsp/stm32/libraries/HAL_Drivers/drv_soft_i2c.h
index 4ded66505c..dc4238f3d0 100644
--- a/bsp/stm32/libraries/HAL_Drivers/drv_soft_i2c.h
+++ b/bsp/stm32/libraries/HAL_Drivers/drv_soft_i2c.h
@@ -56,15 +56,6 @@ struct stm32_i2c
     }
 #endif
 
-#ifdef BSP_USING_I2C4
-#define I2C4_BUS_CONFIG                                  \
-    {                                                    \
-        .scl = BSP_I2C4_SCL_PIN,                         \
-        .sda = BSP_I2C4_SDA_PIN,                         \
-        .bus_name = "i2c4",                              \
-    }
-#endif
-
 int rt_hw_i2c_init(void);
 
 #endif
-- 
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