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feat(wire): disable clock when deinit #2223

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Merged
merged 1 commit into from
Dec 7, 2023
Merged

feat(wire): disable clock when deinit #2223

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43 changes: 43 additions & 0 deletions libraries/Wire/src/utility/twi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -804,6 +804,49 @@ void i2c_deinit(i2c_t *obj)
HAL_NVIC_DisableIRQ(obj->irqER);
#endif /* !STM32C0xx && !STM32F0xx && !STM32G0xx && !STM32L0xx */
HAL_I2C_DeInit(&(obj->handle));
// Reset I2Cx and disable clock
#if defined I2C1_BASE
if (obj->i2c == I2C1) {
__HAL_RCC_I2C1_FORCE_RESET();
__HAL_RCC_I2C1_RELEASE_RESET();
__HAL_RCC_I2C1_CLK_DISABLE();
}
#endif // I2C1_BASE
#if defined I2C2_BASE
if (obj->i2c == I2C2) {
__HAL_RCC_I2C2_FORCE_RESET();
__HAL_RCC_I2C2_RELEASE_RESET();
__HAL_RCC_I2C2_CLK_DISABLE();
}
#endif // I2C2_BASE
#if defined I2C3_BASE
if (obj->i2c == I2C3) {
__HAL_RCC_I2C3_FORCE_RESET();
__HAL_RCC_I2C3_RELEASE_RESET();
__HAL_RCC_I2C3_CLK_DISABLE();
}
#endif // I2C3_BASE
#if defined I2C4_BASE
if (obj->i2c == I2C4) {
__HAL_RCC_I2C4_FORCE_RESET();
__HAL_RCC_I2C4_RELEASE_RESET();
__HAL_RCC_I2C4_CLK_DISABLE();
}
#endif // I2C4_BASE
#if defined I2C5_BASE
if (obj->i2c == I2C5) {
__HAL_RCC_I2C5_FORCE_RESET();
__HAL_RCC_I2C5_RELEASE_RESET();
__HAL_RCC_I2C5_CLK_DISABLE();
}
#endif // I2C5_BASE
#if defined I2C6_BASE
if (obj->i2c == I2C6) {
__HAL_RCC_I2C6_FORCE_RESET();
__HAL_RCC_I2C6_RELEASE_RESET();
__HAL_RCC_I2C6_CLK_DISABLE();
}
#endif // I2C6_BASE
}

/**
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