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Merge branch 'bugfix/c3_i2c_timeout' into 'master'

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I2C: Fix i2c write randomly timeout and WDT triggered

See merge request espressif/esp-idf!14722
This commit is contained in:
Cao Sen Miao
2021-08-24 08:59:22 +00:00
parent fb7b40b2c2 fbd25c3837
commit da12db2904
3 changed files with 32 additions and 17 deletions
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7
components/hal/esp32c3/include/hal/i2c_ll.h
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@@ -801,9 +801,12 @@ static inline void i2c_ll_master_fsm_rst(i2c_dev_t *hw)
static inline void i2c_ll_master_clr_bus(i2c_dev_t *hw)
{
hw->scl_sp_conf.scl_rst_slv_num = 9;
hw->scl_sp_conf.scl_rst_slv_en = 0;
hw->ctr.conf_upgate = 1;
hw->scl_sp_conf.scl_rst_slv_en = 1;
hw->ctr.conf_upgate = 1;
// hardward will clear scl_rst_slv_en after sending SCL pulses,
// and we should set conf_upgate bit to synchronize register value.
while (hw->scl_sp_conf.scl_rst_slv_en);
hw->ctr.conf_upgate = 1;
}
/**