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esp-idf/components/soc/esp32s2/include/soc/i2c_struct.h

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/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#pragma once
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef volatile struct i2c_dev_s {
union {
struct {
uint32_t period: 14;
uint32_t reserved14: 18;
};
uint32_t val;
} scl_low_period;
union {
struct {
uint32_t sda_force_out: 1;
uint32_t scl_force_out: 1;
uint32_t sample_scl_level: 1;
uint32_t rx_full_ack_level: 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 arbitration_en: 1;
uint32_t fsm_rst: 1;
uint32_t ref_always_on: 1;
uint32_t reserved12: 20;
};
uint32_t val;
} ctr;
union {
struct {
uint32_t resp_rec: 1;
uint32_t slave_rw: 1;
uint32_t time_out: 1;
uint32_t arb_lost: 1;
uint32_t bus_busy: 1;
uint32_t slave_addressed: 1;
uint32_t byte_trans: 1;
uint32_t reserved7: 1;
uint32_t rx_fifo_cnt: 6;
uint32_t stretch_cause: 2;
uint32_t reserved16: 2;
uint32_t tx_fifo_cnt: 6;
uint32_t scl_main_state_last: 3;
uint32_t reserved27: 1;
uint32_t scl_state_last: 3;
uint32_t reserved31: 1;
};
uint32_t val;
} status_reg;
union {
struct {
uint32_t tout: 24;
uint32_t time_out_en: 1;
uint32_t reserved25: 7;
};
uint32_t val;
} timeout;
union {
struct {
uint32_t addr: 15;
uint32_t reserved15: 16;
uint32_t en_10bit: 1;
};
uint32_t val;
} slave_addr;
union {
struct {
uint32_t rx_fifo_start_addr: 5;
uint32_t rx_fifo_end_addr: 5;
uint32_t tx_fifo_start_addr: 5;
uint32_t tx_fifo_end_addr: 5;
uint32_t rx_update: 1;
uint32_t tx_update: 1;
uint32_t slave_rw_point: 8;
uint32_t reserved30: 2;
};
uint32_t val;
} fifo_st;
union {
struct {
uint32_t rx_fifo_wm_thrhd: 5;
uint32_t tx_fifo_wm_thrhd: 5;
uint32_t nonfifo_en: 1;
uint32_t fifo_addr_cfg_en: 1;
uint32_t rx_fifo_rst: 1;
uint32_t tx_fifo_rst: 1;
uint32_t nonfifo_rx_thres: 6;
uint32_t nonfifo_tx_thres: 6;
uint32_t fifo_prt_en: 1;
uint32_t reserved27: 5;
};
uint32_t val;
} fifo_conf;
union {
struct {
uint32_t data;
};
uint32_t val;
} fifo_data;
union {
struct {
uint32_t rx_fifo_wm: 1;
uint32_t tx_fifo_wm: 1;
uint32_t rx_fifo_ovf: 1;
uint32_t end_detect: 1;
uint32_t byte_trans_done: 1;
uint32_t arbitration_lost: 1;
uint32_t mst_tx_fifo_udf: 1;
uint32_t trans_complete: 1;
uint32_t time_out: 1;
uint32_t trans_start: 1;
uint32_t nack: 1;
uint32_t tx_fifo_ovf: 1;
uint32_t rx_fifo_udf: 1;
uint32_t scl_st_to: 1;
uint32_t scl_main_st_to: 1;
uint32_t det_start: 1;
uint32_t slave_stretch: 1;
uint32_t reserved17: 15;
};
uint32_t val;
} int_raw;
union {
struct {
uint32_t rx_fifo_wm: 1;
uint32_t tx_fifo_wm: 1;
uint32_t rx_fifo_ovf: 1;
uint32_t end_detect: 1;
uint32_t byte_trans_done: 1;
uint32_t arbitration_lost: 1;
uint32_t mst_tx_fifo_udf: 1;
uint32_t trans_complete: 1;
uint32_t time_out: 1;
uint32_t trans_start: 1;
uint32_t nack: 1;
uint32_t tx_fifo_ovf: 1;
uint32_t rx_fifo_udf: 1;
uint32_t scl_st_to: 1;
uint32_t scl_main_st_to: 1;
uint32_t det_start: 1;
uint32_t slave_stretch: 1;
uint32_t reserved17: 15;
};
uint32_t val;
} int_clr;
union {
struct {
uint32_t rx_fifo_wm: 1;
uint32_t tx_fifo_wm: 1;
uint32_t rx_fifo_ovf: 1;
uint32_t end_detect: 1;
uint32_t byte_trans_done: 1;
uint32_t arbitration_lost: 1;
uint32_t mst_tx_fifo_udf: 1;
uint32_t trans_complete: 1;
uint32_t time_out: 1;
uint32_t trans_start: 1;
uint32_t nack: 1;
uint32_t tx_fifo_ovf: 1;
uint32_t rx_fifo_udf: 1;
uint32_t scl_st_to: 1;
uint32_t scl_main_st_to: 1;
uint32_t det_start: 1;
uint32_t slave_stretch: 1;
uint32_t reserved17: 15;
};
uint32_t val;
} int_ena;
union {
struct {
uint32_t rx_fifo_wm: 1;
uint32_t tx_fifo_wm: 1;
uint32_t rx_fifo_ovf: 1;
uint32_t end_detect: 1;
uint32_t byte_trans_done: 1;
uint32_t arbitration_lost: 1;
uint32_t mst_tx_fifo_udf: 1;
uint32_t trans_complete: 1;
uint32_t time_out: 1;
uint32_t trans_start: 1;
uint32_t nack: 1;
uint32_t tx_fifo_ovf: 1;
uint32_t rx_fifo_udf: 1;
uint32_t scl_st_to: 1;
uint32_t scl_main_st_to: 1;
uint32_t det_start: 1;
uint32_t slave_stretch: 1;
uint32_t reserved17: 15;
};
uint32_t val;
} int_status;
union {
struct {
uint32_t time: 10;
uint32_t reserved10: 22;
};
uint32_t val;
} sda_hold;
union {
struct {
uint32_t time: 10;
uint32_t reserved10: 22;
};
uint32_t val;
} sda_sample;
union {
struct {
uint32_t period: 14;
uint32_t scl_wait_high_period:14;
uint32_t reserved28: 4;
};
uint32_t val;
} scl_high_period;
uint32_t reserved_3c;
union {
struct {
uint32_t time: 10;
uint32_t reserved10: 22;
};
uint32_t val;
} scl_start_hold;
union {
struct {
uint32_t time: 10;
uint32_t reserved10: 22;
};
uint32_t val;
} scl_rstart_setup;
union {
struct {
uint32_t time: 14;
uint32_t reserved14: 18;
};
uint32_t val;
} scl_stop_hold;
union {
struct {
uint32_t time: 10;
uint32_t reserved10: 22;
};
uint32_t val;
} scl_stop_setup;
union {
struct {
uint32_t thres: 4;
uint32_t en: 1;
uint32_t reserved5: 27;
};
uint32_t val;
} scl_filter_cfg;
union {
struct {
uint32_t thres: 4;
uint32_t en: 1;
uint32_t reserved5: 27;
};
uint32_t val;
} sda_filter_cfg;
union {
struct {
uint32_t byte_num: 8;
uint32_t ack_en: 1;
uint32_t ack_exp: 1;
uint32_t ack_val: 1;
uint32_t op_code: 3;
uint32_t reserved14: 17;
uint32_t done: 1;
};
uint32_t val;
} command[16];
union {
struct {
uint32_t scl_st_to: 24;
uint32_t reserved24: 8;
};
uint32_t val;
} scl_st_time_out;
union {
struct {
uint32_t scl_main_st_to:24;
uint32_t reserved24: 8;
};
uint32_t val;
} scl_main_st_time_out;
union {
struct {
uint32_t scl_rst_slv_en: 1;
uint32_t scl_rst_slv_num: 5;
uint32_t scl_pd_en: 1;
uint32_t sda_pd_en: 1;
uint32_t reserved8: 24;
};
uint32_t val;
} scl_sp_conf;
union {
struct {
uint32_t stretch_protect_num: 10;
uint32_t slave_scl_stretch_en: 1;
uint32_t slave_scl_stretch_clr: 1;
uint32_t reserved12: 20;
};
uint32_t val;
} scl_stretch_conf;
uint32_t reserved_a8;
uint32_t reserved_ac;
uint32_t reserved_b0;
uint32_t reserved_b4;
uint32_t reserved_b8;
uint32_t reserved_bc;
uint32_t reserved_c0;
uint32_t reserved_c4;
uint32_t reserved_c8;
uint32_t reserved_cc;
uint32_t reserved_d0;
uint32_t reserved_d4;
uint32_t reserved_d8;
uint32_t reserved_dc;
uint32_t reserved_e0;
uint32_t reserved_e4;
uint32_t reserved_e8;
uint32_t reserved_ec;
uint32_t reserved_f0;
uint32_t reserved_f4;
uint32_t date; /**/
uint32_t reserved_fc;
uint32_t txfifo_start_addr; /**/
uint32_t reserved_104;
uint32_t reserved_108;
uint32_t reserved_10c;
uint32_t reserved_110;
uint32_t reserved_114;
uint32_t reserved_118;
uint32_t reserved_11c;
uint32_t reserved_120;
uint32_t reserved_124;
uint32_t reserved_128;
uint32_t reserved_12c;
uint32_t reserved_130;
uint32_t reserved_134;
uint32_t reserved_138;
uint32_t reserved_13c;
uint32_t reserved_140;
uint32_t reserved_144;
uint32_t reserved_148;
uint32_t reserved_14c;
uint32_t reserved_150;
uint32_t reserved_154;
uint32_t reserved_158;
uint32_t reserved_15c;
uint32_t reserved_160;
uint32_t reserved_164;
uint32_t reserved_168;
uint32_t reserved_16c;
uint32_t reserved_170;
uint32_t reserved_174;
uint32_t reserved_178;
uint32_t reserved_17c;
uint32_t fifo_start_addr; /**/
} i2c_dev_t;
extern i2c_dev_t I2C0;
extern i2c_dev_t I2C1;
#ifdef __cplusplus
}
#endif
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