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fix(i2c_master): Fix issue that i2c clock got wrong after reset,

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Closes https://github.com/espressif/esp-idf/issues/13397
This commit is contained in:
Cao Sen Miao
2024-03-18 20:21:40 +08:00
parent 2291ded9a1
commit ae94c0134b
10 changed files with 339 additions and 8 deletions
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41
components/hal/esp32s2/include/hal/i2c_ll.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -134,6 +134,45 @@ static inline void i2c_ll_master_set_fractional_divider(i2c_dev_t *hw, uint8_t d
// Not supported on ESP32S2
}
/**
* @brief Set fractional divider
*
* @param hw Beginning address of the peripheral registers
* @param div_a The denominator of the frequency divider factor of the i2c function clock
* @param div_b The numerator of the frequency divider factor of the i2c function clock.
*/
static inline void i2c_ll_master_get_fractional_divider(i2c_dev_t *hw, uint32_t *div_a, uint32_t *div_b)
{
// Not supported on ESP32S2
}
/**
* @brief Get clock configurations from registers
*
* @param hw Beginning address of the peripheral registers
* @param div_num div_num
* @param clk_sel clk_sel
* @param clk_active clk_active
*/
static inline void i2c_ll_master_save_clock_configurations(i2c_dev_t *hw, uint32_t *div_num, uint8_t *clk_sel, uint8_t *clk_active)
{
// Not supported on ESP32S2
}
/**
* @brief Get clock configurations from registers
*
* @param hw Beginning address of the peripheral registers
* @param div_num div_num
* @param clk_sel clk_sel
* @param clk_active clk_active
*/
static inline void i2c_ll_master_restore_clock_configurations(i2c_dev_t *hw, uint32_t div_num, uint8_t clk_sel, uint8_t clk_active)
{
// Not supported on ESP32S2
}
/**
* @brief Reset I2C txFIFO
*