From 5c052819483da906437ea03b13c50cef0acd0378 Mon Sep 17 00:00:00 2001 From: Frederic Pillon Date: Wed, 6 Dec 2023 15:39:12 +0100 Subject: [PATCH] feat(wire): disable clock when deinit Signed-off-by: Frederic Pillon --- libraries/Wire/src/utility/twi.c | 43 ++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/libraries/Wire/src/utility/twi.c b/libraries/Wire/src/utility/twi.c index a4a2539f7c..fbaf092550 100644 --- a/libraries/Wire/src/utility/twi.c +++ b/libraries/Wire/src/utility/twi.c @@ -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 } /** pFad - Phonifier reborn

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