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STM32 I2C : correct deinit 

Set port mode back to Analog (reset value)
pull/14434/head
jeromecoutant 2021-03-16 15:05:04 +01:00
parent c73413893f
commit 34f02ff573
1 changed files with 4 additions and 4 deletions
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8
targets/TARGET_STM/i2c_api.c
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@ -300,7 +300,7 @@ void i2c_init_internal(i2c_t *obj, const i2c_pinmap_t *pinmap)
obj_s->event_i2cIRQ = I2C1_EV_IRQn;
obj_s->error_i2cIRQ = I2C1_ER_IRQn;
#if defined(TARGET_STM32WL)
#if defined(TARGET_STM32WL) || defined(TARGET_STM32WB)
/* In Stop2 mode, I2C1 and I2C2 instances are powered down (only I2C3 register content is kept) */
sleep_manager_lock_deep_sleep();
#endif
@ -395,7 +395,7 @@ void i2c_deinit_internal(i2c_t *obj)
#if defined I2C1_BASE
if (obj_s->i2c == I2C_1) {
__HAL_RCC_I2C1_CLK_DISABLE();
#if defined(TARGET_STM32WL)
#if defined(TARGET_STM32WL) || defined(TARGET_STM32WB)
sleep_manager_unlock_deep_sleep();
#endif
}
@ -424,8 +424,8 @@ void i2c_deinit_internal(i2c_t *obj)
}
#endif
pin_mode(obj_s->sda, PullNone);
pin_mode(obj_s->scl, PullNone);
pin_function(obj_s->sda, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0));
pin_function(obj_s->scl, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0));
obj_s->sda = NC;
obj_s->scl = NC;