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fix(wire): reset pins to INPUT_ANALOG when deinit #2227

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Merged
merged 1 commit into from
Dec 18, 2023
+3 −0
Merged

fix(wire): reset pins to INPUT_ANALOG when deinit #2227

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3 changes: 3 additions & 0 deletions libraries/Wire/src/utility/twi.c
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Original file line number Diff line number Diff line change
@@ -804,6 +804,9 @@ void i2c_deinit(i2c_t *obj)
HAL_NVIC_DisableIRQ(obj->irqER);
#endif /* !STM32C0xx && !STM32F0xx && !STM32G0xx && !STM32L0xx */
HAL_I2C_DeInit(&(obj->handle));
/* Reset I2C GPIO pins as INPUT_ANALOG */
pin_function(obj->scl, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0));
pin_function(obj->sda, STM_PIN_DATA(STM_MODE_ANALOG, GPIO_NOPULL, 0));
// Reset I2Cx and disable clock
#if defined I2C1_BASE
if (obj->i2c == I2C1) {