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fix(i2c_master): Fix an I2C issue that slave streth happen but master timeout set seems doesn't work

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Closes https://github.com/espressif/esp-idf/issues/14129
Closes https://github.com/espressif/esp-idf/issues/14401
This commit is contained in:
C.S.M
2024-08-22 16:20:29 +08:00
parent 22eadb5a76
commit 6adee5052f
7 changed files with 51 additions and 38 deletions
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5
components/hal/esp32c6/include/hal/i2c_ll.h
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@@ -723,7 +723,7 @@ static inline void i2c_ll_master_get_filter(i2c_dev_t *hw, uint8_t *filter_conf)
}
/**
* @brief Reste I2C master FSM. When the master FSM is stuck, call this function to reset the FSM
* @brief reset I2C master FSM. When the master FSM is stuck, call this function to reset the FSM
*
* @param hw Beginning address of the peripheral registers
*
@@ -947,7 +947,8 @@ static inline void i2c_ll_slave_clear_stretch(i2c_dev_t *dev)
static inline uint32_t i2c_ll_calculate_timeout_us_to_reg_val(uint32_t src_clk_hz, uint32_t timeout_us)
{
uint32_t clk_cycle_num_per_us = src_clk_hz / (1 * 1000 * 1000);
return 31 - __builtin_clz(clk_cycle_num_per_us * timeout_us);
// round up to an integer
return 32 - __builtin_clz(clk_cycle_num_per_us * timeout_us);
}
//////////////////////////////////////////Deprecated Functions//////////////////////////////////////////////////////////