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Rewrore STM32F4 HAL_I2C_MspDeInit to not call HAL_GPIO_DeInit(), but only disable I2C GPIO with GPIO_Init().

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This commit is contained in:
rotorman
2021-07-16 18:40:52 +02:00
parent a886c72a55
commit 5f0bac3dc9
2 changed files with 22 additions and 11 deletions
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radio/src/targets/horus/i2c_driver.cpp
+20 -9
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@@ -145,20 +145,31 @@ void HAL_I2C_MspDeInit(I2C_HandleTypeDef* hi2c)
if(hi2c->Instance==I2C1)
{
__HAL_RCC_I2C1_CLK_DISABLE();
} else
}
else
{
if(hi2c->Instance==I2C2)
{
__HAL_RCC_I2C2_CLK_DISABLE();
if(hi2c->Instance==I2C3)
{
__HAL_RCC_I2C3_CLK_DISABLE();
} else
TRACE("I2C ERROR: HAL_I2C_MspDeInit() I2C misconfiguration");
__HAL_RCC_I2C2_CLK_DISABLE();
if(hi2c->Instance==I2C3)
__HAL_RCC_I2C3_CLK_DISABLE();
else
TRACE("I2C ERROR: HAL_I2C_MspDeInit() I2C misconfiguration");
}
}
HAL_GPIO_DeInit(I2C_GPIO, I2C_SCL_GPIO_PinSource);
HAL_GPIO_DeInit(I2C_GPIO, I2C_SDA_GPIO_PinSource);
GPIO_InitTypeDef GPIO_InitStructure;
/* Configure the default Alternate Function in current IO */
GPIO_PinAFConfig(I2C_GPIO, I2C_SCL_GPIO_PinSource, 0);
GPIO_PinAFConfig(I2C_GPIO, I2C_SDA_GPIO_PinSource, 0);
GPIO_InitStructure.GPIO_Pin = I2C_SCL_GPIO_PIN | I2C_SDA_GPIO_PIN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; /* Configure a low value for IO Speed */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN; /* Configure IO Direction in Input Floating Mode */
GPIO_InitStructure.GPIO_OType = GPIO_OType_OD; /* Leave the configuration to Open Drain */
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL; /* Deactivate the Pull-up and Pull-down resistor for the current IO */
GPIO_Init(I2C_GPIO, &GPIO_InitStructure);
}
/* Initializes the I2C according to the specified parameters