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SourceVuESP-IDF Framework and ExamplesESP-IDFi2c_dev_s::ctr

i2c_dev_s::ctr field

Syntax

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Summary

Declaration

from i2c_struct.h:23

union { struct { uint32_t sda_force_out: 1; uint32_t scl_force_out: 1; uint32_t sample_scl_level: 1; uint32_t reserved3: 1; uint32_t ms_mode: 1; uint32_t trans_start: 1; uint32_t tx_lsb_first: 1; uint32_t rx_lsb_first: 1; uint32_t clk_en: 1; uint32_t reserved9: 23; }; uint32_t val; } ctr;

References

Code

Location

Referrer

} ctr;

i2c_struct.h:37

hw->ctr.tx_lsb_first = tx_mode;

i2c_ll_set_data_mode()

hw->ctr.rx_lsb_first = rx_mode;

i2c_ll_set_data_mode()

hw->ctr.trans_start = 1;

i2c_ll_start_trans()

typeof(hw->ctr) ctrl_reg;

i2c_ll_master_init()

hw->ctr.val = ctrl_reg.val;

i2c_ll_master_init()

typeof(hw->ctr) ctrl_reg;

i2c_ll_slave_init()

hw->ctr.val = ctrl_reg.val;

i2c_ll_slave_init()

*tx_mode = (i2c_trans_mode_t)(hw->ctr.tx_lsb_first);

i2c_ll_get_data_mode()

*rx_mode = (i2c_trans_mode_t)(hw->ctr.rx_lsb_first);

i2c_ll_get_data_mode()

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Data Use

i2c_dev_s::ctr is read by 5 functions:

i2c_dev_s::ctr

i2c_ll_set_data_mode()

i2c_ll_start_trans()

i2c_ll_master_init()

i2c_ll_slave_init()

i2c_ll_get_data_mode()

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Lifecycle

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