alex/esp-idf
alex/esp-idf
1
0
Fork 0
mirror of https://github.com/espressif/esp-idf.git synced 2024-10-05 20:47:46 -04:00
Code Issues Actions 2 Packages Projects Releases Wiki Activity
fda4efa300
esp-idf/components/soc/esp32s2/include/soc/i2s_struct.h
morris e30cd361a8 global: rename esp32s2beta to esp32s2
2020-01-22 12:14:38 +08:00

508 lines
32 KiB
C
Raw Blame History

// Copyright 2017-2018 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _SOC_I2S_STRUCT_H_
#define _SOC_I2S_STRUCT_H_
#ifdef __cplusplus
extern "C" {
#endif
typedef volatile struct {
uint32_t reserved_0;
uint32_t reserved_4;
union {
struct {
uint32_t tx_reset: 1; /*Set this bit to reset transmitter*/
uint32_t rx_reset: 1; /*Set this bit to reset receiver*/
uint32_t tx_fifo_reset: 1; /*Set this bit to reset txFIFO*/
uint32_t rx_fifo_reset: 1; /*Set this bit to reset rxFIFO*/
uint32_t tx_start: 1; /*Set this bit to start transmitting data*/
uint32_t rx_start: 1; /*Set this bit to start receiving data*/
uint32_t tx_slave_mod: 1; /*Set this bit to enable slave transmitter mode*/
uint32_t rx_slave_mod: 1; /*Set this bit to enable slave receiver mode*/
uint32_t tx_right_first: 1; /*Set this bit to transmit right channel data first*/
uint32_t rx_right_first: 1; /*Set this bit to receive right channel data first*/
uint32_t tx_msb_shift: 1; /*Set this bit to enable transmitter in Phillips standard mode*/
uint32_t rx_msb_shift: 1; /*Set this bit to enable receiver in Phillips standard mode*/
uint32_t tx_short_sync: 1; /*Set this bit to enable transmitter in PCM standard mode*/
uint32_t rx_short_sync: 1; /*Set this bit to enable receiver in PCM standard mode*/
uint32_t tx_mono: 1; /*Set this bit to enable transmitter in mono mode*/
uint32_t rx_mono: 1; /*Set this bit to enable receiver in mono mode*/
uint32_t tx_msb_right: 1; /*Set this bit to place right channel data at the MSB in the transmit FIFO.*/
uint32_t rx_msb_right: 1; /*Set this bit to place right channel data at the MSB in the receive FIFO.*/
uint32_t tx_lsb_first_dma: 1; /*1:the data in DMA/APB transform from low bits*/
uint32_t rx_lsb_first_dma: 1; /*1:the data in DMA/APB transform from low bits*/
uint32_t sig_loopback: 1; /*Enable signal loopback mode with transmitter module and receiver module sharing the same WS and BCK signals.*/
uint32_t tx_fifo_reset_st: 1; /*1:i2s_tx_fifo reset is not ok 0:i2s_tx_fifo_reset is ok*/
uint32_t rx_fifo_reset_st: 1; /*1:i2s_rx_fifo_reset is not ok 0:i2s_rx_fifo reset is ok*/
uint32_t tx_reset_st: 1; /*1: i2s_tx_reset is not ok 0: i2s_tx_reset is ok*/
uint32_t tx_dma_equal: 1; /*1:data in left channel is equal to data in right channel*/
uint32_t rx_dma_equal: 1; /*1:data in left channel is equal to data in right channel*/
uint32_t pre_req_en: 1; /*set this bit to enable i2s to prepare data earlier*/
uint32_t tx_big_endian: 1;
uint32_t rx_big_endian: 1;
uint32_t rx_reset_st: 1;
uint32_t reserved30: 2;
};
uint32_t val;
} conf;
union {
struct {
uint32_t rx_take_data: 1; /*The raw interrupt status bit for the i2s_rx_take_data_int interrupt*/
uint32_t tx_put_data: 1; /*The raw interrupt status bit for the i2s_tx_put_data_int interrupt*/
uint32_t rx_wfull: 1; /*The raw interrupt status bit for the i2s_rx_wfull_int interrupt*/
uint32_t rx_rempty: 1; /*The raw interrupt status bit for the i2s_rx_rempty_int interrupt*/
uint32_t tx_wfull: 1; /*The raw interrupt status bit for the i2s_tx_wfull_int interrupt*/
uint32_t tx_rempty: 1; /*The raw interrupt status bit for the i2s_tx_rempty_int interrupt*/
uint32_t rx_hung: 1; /*The raw interrupt status bit for the i2s_rx_hung_int interrupt*/
uint32_t tx_hung: 1; /*The raw interrupt status bit for the i2s_tx_hung_int interrupt*/
uint32_t in_done: 1; /*The raw interrupt status bit for the i2s_in_done_int interrupt*/
uint32_t in_suc_eof: 1; /*The raw interrupt status bit for the i2s_in_suc_eof_int interrupt*/
uint32_t in_err_eof: 1; /*don't use*/
uint32_t out_done: 1; /*The raw interrupt status bit for the i2s_out_done_int interrupt*/
uint32_t out_eof: 1; /*The raw interrupt status bit for the i2s_out_eof_int interrupt*/
uint32_t in_dscr_err: 1; /*The raw interrupt status bit for the i2s_in_dscr_err_int interrupt*/
uint32_t out_dscr_err: 1; /*The raw interrupt status bit for the i2s_out_dscr_err_int interrupt*/
uint32_t in_dscr_empty: 1; /*The raw interrupt status bit for the i2s_in_dscr_empty_int interrupt*/
uint32_t out_total_eof: 1; /*The raw interrupt status bit for the i2s_out_total_eof_int interrupt*/
uint32_t reserved17: 15;
};
uint32_t val;
} int_raw;
union {
struct {
uint32_t rx_take_data: 1; /*The masked interrupt status bit for the i2s_rx_take_data_int interrupt*/
uint32_t tx_put_data: 1; /*The masked interrupt status bit for the i2s_tx_put_data_int interrupt*/
uint32_t rx_wfull: 1; /*The masked interrupt status bit for the i2s_rx_wfull_int interrupt*/
uint32_t rx_rempty: 1; /*The masked interrupt status bit for the i2s_rx_rempty_int interrupt*/
uint32_t tx_wfull: 1; /*The masked interrupt status bit for the i2s_tx_wfull_int interrupt*/
uint32_t tx_rempty: 1; /*The masked interrupt status bit for the i2s_tx_rempty_int interrupt*/
uint32_t rx_hung: 1; /*The masked interrupt status bit for the i2s_rx_hung_int interrupt*/
uint32_t tx_hung: 1; /*The masked interrupt status bit for the i2s_tx_hung_int interrupt*/
uint32_t in_done: 1; /*The masked interrupt status bit for the i2s_in_done_int interrupt*/
uint32_t in_suc_eof: 1; /*The masked interrupt status bit for the i2s_in_suc_eof_int interrupt*/
uint32_t in_err_eof: 1; /*don't use*/
uint32_t out_done: 1; /*The masked interrupt status bit for the i2s_out_done_int interrupt*/
uint32_t out_eof: 1; /*The masked interrupt status bit for the i2s_out_eof_int interrupt*/
uint32_t in_dscr_err: 1; /*The masked interrupt status bit for the i2s_in_dscr_err_int interrupt*/
uint32_t out_dscr_err: 1; /*The masked interrupt status bit for the i2s_out_dscr_err_int interrupt*/
uint32_t in_dscr_empty: 1; /*The masked interrupt status bit for the i2s_in_dscr_empty_int interrupt*/
uint32_t out_total_eof: 1; /*The masked interrupt status bit for the i2s_out_total_eof_int interrupt*/
uint32_t reserved17: 15;
};
uint32_t val;
} int_st;
union {
struct {
uint32_t rx_take_data: 1; /*The interrupt enable bit for the i2s_rx_take_data_int interrupt*/
uint32_t tx_put_data: 1; /*The interrupt enable bit for the i2s_tx_put_data_int interrupt*/
uint32_t rx_wfull: 1; /*The interrupt enable bit for the i2s_rx_wfull_int interrupt*/
uint32_t rx_rempty: 1; /*The interrupt enable bit for the i2s_rx_rempty_int interrupt*/
uint32_t tx_wfull: 1; /*The interrupt enable bit for the i2s_tx_wfull_int interrupt*/
uint32_t tx_rempty: 1; /*The interrupt enable bit for the i2s_tx_rempty_int interrupt*/
uint32_t rx_hung: 1; /*The interrupt enable bit for the i2s_rx_hung_int interrupt*/
uint32_t tx_hung: 1; /*The interrupt enable bit for the i2s_tx_hung_int interrupt*/
uint32_t in_done: 1; /*The interrupt enable bit for the i2s_in_done_int interrupt*/
uint32_t in_suc_eof: 1; /*The interrupt enable bit for the i2s_in_suc_eof_int interrupt*/
uint32_t in_err_eof: 1; /*don't use*/
uint32_t out_done: 1; /*The interrupt enable bit for the i2s_out_done_int interrupt*/
uint32_t out_eof: 1; /*The interrupt enable bit for the i2s_out_eof_int interrupt*/
uint32_t in_dscr_err: 1; /*The interrupt enable bit for the i2s_in_dscr_err_int interrupt*/
uint32_t out_dscr_err: 1; /*The interrupt enable bit for the i2s_out_dscr_err_int interrupt*/
uint32_t in_dscr_empty: 1; /*The interrupt enable bit for the i2s_in_dscr_empty_int interrupt*/
uint32_t out_total_eof: 1; /*The interrupt enable bit for the i2s_out_total_eof_int interrupt*/
uint32_t reserved17: 15;
};
uint32_t val;
} int_ena;
union {
struct {
uint32_t take_data: 1; /*Set this bit to clear the i2s_rx_take_data_int interrupt*/
uint32_t put_data: 1; /*Set this bit to clear the i2s_tx_put_data_int interrupt*/
uint32_t rx_wfull: 1; /*Set this bit to clear the i2s_rx_wfull_int interrupt*/
uint32_t rx_rempty: 1; /*Set this bit to clear the i2s_rx_rempty_int interrupt*/
uint32_t tx_wfull: 1; /*Set this bit to clear the i2s_tx_wfull_int interrupt*/
uint32_t tx_rempty: 1; /*Set this bit to clear the i2s_tx_rempty_int interrupt*/
uint32_t rx_hung: 1; /*Set this bit to clear the i2s_rx_hung_int interrupt*/
uint32_t tx_hung: 1; /*Set this bit to clear the i2s_tx_hung_int interrupt*/
uint32_t in_done: 1; /*Set this bit to clear the i2s_in_done_int interrupt*/
uint32_t in_suc_eof: 1; /*Set this bit to clear the i2s_in_suc_eof_int interrupt*/
uint32_t in_err_eof: 1; /*don't use*/
uint32_t out_done: 1; /*Set this bit to clear the i2s_out_done_int interrupt*/
uint32_t out_eof: 1; /*Set this bit to clear the i2s_out_eof_int interrupt*/
uint32_t in_dscr_err: 1; /*Set this bit to clear the i2s_in_dscr_err_int interrupt*/
uint32_t out_dscr_err: 1; /*Set this bit to clear the i2s_out_dscr_err_int interrupt*/
uint32_t in_dscr_empty: 1; /*Set this bit to clear the i2s_in_dscr_empty_int interrupt*/
uint32_t out_total_eof: 1; /*Set this bit to clear the i2s_out_total_eof_int interrupt*/
uint32_t reserved17: 15;
};
uint32_t val;
} int_clr;
union {
struct {
uint32_t tx_bck_in_delay: 2; /*Number of delay cycles for BCK into the transmitter*/
uint32_t tx_ws_in_delay: 2; /*Number of delay cycles for WS into the transmitter*/
uint32_t rx_bck_in_delay: 2; /*Number of delay cycles for BCK into the receiver*/
uint32_t rx_ws_in_delay: 2; /*Number of delay cycles for WS into the receiver*/
uint32_t rx_sd_in_delay: 2; /*Number of delay cycles for SD into the receiver*/
uint32_t tx_bck_out_delay: 2; /*Number of delay cycles for BCK out of the transmitter*/
uint32_t tx_ws_out_delay: 2; /*Number of delay cycles for WS out of the transmitter*/
uint32_t tx_sd_out_delay: 2; /*Number of delay cycles for SD out of the transmitter*/
uint32_t rx_ws_out_delay: 2; /*Number of delay cycles for WS out of the receiver*/
uint32_t rx_bck_out_delay: 2; /*Number of delay cycles for BCK out of the receiver*/
uint32_t tx_dsync_sw: 1; /*Set this bit to synchronize signals with the double sync method into the transmitter*/
uint32_t rx_dsync_sw: 1; /*Set this bit to synchronize signals with the double sync method into the receiver*/
uint32_t data_enable_delay: 2; /*Number of delay cycles for data valid flag.*/
uint32_t tx_bck_in_inv: 1; /*Set this bit to invert BCK signal input to the slave transmitter*/
uint32_t reserved25: 7;
};
uint32_t val;
} timing;
union {
struct {
uint32_t rx_data_num: 6; /*Threshold of data length in receiver FIFO*/
uint32_t tx_data_num: 6; /*Threshold of data length in transmitter FIFO*/
uint32_t dscr_en: 1; /*Set this bit to enable I2S DMA mode*/
uint32_t tx_fifo_mod: 3; /*Transmitter FIFO mode configuration bits*/
uint32_t rx_fifo_mod: 3; /*Receiver FIFO mode configuration bits*/
uint32_t tx_fifo_mod_force_en: 1; /*The bit should always be set to 1*/
uint32_t rx_fifo_mod_force_en: 1; /*The bit should always be set to 1*/
uint32_t rx_fifo_sync: 1; /*force write back rx data to memory*/
uint32_t rx_24msb_en: 1; /*Only useful in rx 24bit mode. 1: the high 24 bits are effective in i2s fifo 0: the low 24 bits are effective in i2s fifo*/
uint32_t tx_24msb_en: 1; /*Only useful in tx 24bit mode. 1: the high 24 bits are effective in i2s fifo 0: the low 24 bits are effective in i2s fifo*/
uint32_t reserved24: 8;
};
uint32_t val;
} fifo_conf;
uint32_t rx_eof_num; /*the length of data to be received. It will trigger i2s_in_suc_eof_int.*/
uint32_t conf_single_data; /*the right channel or left channel put out constant value stored in this register according to tx_chan_mod and reg_tx_msb_right*/
union {
struct {
uint32_t tx_chan_mod: 3; /*I2S transmitter channel mode configuration bits.*/
uint32_t rx_chan_mod: 2; /*I2S receiver channel mode configuration bits.*/
uint32_t reserved5: 27;
};
uint32_t val;
} conf_chan;
union {
struct {
uint32_t addr: 20; /*The address of first outlink descriptor*/
uint32_t reserved20: 8;
uint32_t stop: 1; /*Set this bit to stop outlink descriptor*/
uint32_t start: 1; /*Set this bit to start outlink descriptor*/
uint32_t restart: 1; /*Set this bit to restart outlink descriptor*/
uint32_t park: 1;
};
uint32_t val;
} out_link;
union {
struct {
uint32_t addr: 20; /*The address of first inlink descriptor*/
uint32_t reserved20: 8;
uint32_t stop: 1; /*Set this bit to stop inlink descriptor*/
uint32_t start: 1; /*Set this bit to start inlink descriptor*/
uint32_t restart: 1; /*Set this bit to restart inlink descriptor*/
uint32_t park: 1;
};
uint32_t val;
} in_link;
uint32_t out_eof_des_addr; /*The address of outlink descriptor that produces EOF*/
uint32_t in_eof_des_addr; /*The address of inlink descriptor that produces EOF*/
uint32_t out_eof_bfr_des_addr; /*The address of buffer relative to the outlink descriptor that produces EOF*/
union {
struct {
uint32_t mode: 3;
uint32_t reserved3: 1;
uint32_t addr: 2;
uint32_t reserved6: 26;
};
uint32_t val;
} ahb_test;
uint32_t in_link_dscr; /*The address of current inlink descriptor*/
uint32_t in_link_dscr_bf0; /*The address of next inlink descriptor*/
uint32_t in_link_dscr_bf1; /*The address of next inlink data buffer*/
uint32_t out_link_dscr; /*The address of current outlink descriptor*/
uint32_t out_link_dscr_bf0; /*The address of next outlink descriptor*/
uint32_t out_link_dscr_bf1; /*The address of next outlink data buffer*/
union {
struct {
uint32_t in_rst: 1; /*Set this bit to reset in dma FSM*/
uint32_t out_rst: 1; /*Set this bit to reset out dma FSM*/
uint32_t ahbm_fifo_rst: 1; /*Set this bit to reset ahb interface cmdFIFO of DMA*/
uint32_t ahbm_rst: 1; /*Set this bit to reset ahb interface of DMA*/
uint32_t out_loop_test: 1; /*Set this bit to loop test inlink*/
uint32_t in_loop_test: 1; /*Set this bit to loop test outlink*/
uint32_t out_auto_wrback: 1; /*Set this bit to enable outlink-written-back automatically when out buffer is transmitted done.*/
uint32_t out_no_restart_clr: 1; /*don't use*/
uint32_t out_eof_mode: 1; /*DMA out EOF flag generation mode . 1: when dma has popped all data from the FIFO 0:when ahb has pushed all data to the FIFO*/
uint32_t outdscr_burst_en: 1; /*DMA outlink descriptor transfer mode configuration bit. 1: to prepare outlink descriptor with burst mode 0: to prepare outlink descriptor with byte mode*/
uint32_t indscr_burst_en: 1; /*DMA inlink descriptor transfer mode configuration bit. 1: to prepare inlink descriptor with burst mode 0: to prepare inlink descriptor with byte mode*/
uint32_t out_data_burst_en: 1; /*Transmitter data transfer mode configuration bit. 1: to prepare out data with burst mode 0: to prepare out data with byte mode*/
uint32_t check_owner: 1; /*Set this bit to enable check owner bit by hardware*/
uint32_t mem_trans_en: 1; /*don't use*/
uint32_t ext_mem_bk_size: 2; /*DMA access external memory block size. 0: 16 bytes 1: 32 bytes 2:64 bytes 3:reserved*/
uint32_t reserved16: 16;
};
uint32_t val;
} lc_conf;
union {
struct {
uint32_t wdata: 9;
uint32_t reserved9: 7;
uint32_t push: 1;
uint32_t reserved17: 15;
};
uint32_t val;
} out_fifo_push;
union {
struct {
uint32_t rdata: 12;
uint32_t reserved12: 4;
uint32_t pop: 1;
uint32_t reserved17: 15;
};
uint32_t val;
} in_fifo_pop;
union {
struct {
uint32_t dscr_addr: 18;
uint32_t out_dscr_state: 2;
uint32_t out_state: 3;
uint32_t cnt: 7;
uint32_t out_full: 1;
uint32_t out_empty: 1; /*DMA transmitter status register*/
};
uint32_t val;
} lc_state0;
union {
struct {
uint32_t dscr_addr: 18;
uint32_t in_dscr_state: 2;
uint32_t in_state: 3;
uint32_t cnt_debug: 7;
uint32_t in_full: 1;
uint32_t in_empty: 1; /*DMA receiver status register*/
};
uint32_t val;
} lc_state1;
union {
struct {
uint32_t fifo_timeout: 8; /*the i2s_tx_hung_int interrupt or the i2s_rx_hung_int interrupt will be triggered when fifo hung counter is equal to this value*/
uint32_t fifo_timeout_shift: 3; /*The bits are used to scale tick counter threshold. The tick counter is reset when counter value >= 88000/2^i2s_lc_fifo_timeout_shift*/
uint32_t fifo_timeout_ena: 1; /*The enable bit for FIFO timeout*/
uint32_t reserved12: 20;
};
uint32_t val;
} lc_hung_conf;
uint32_t reserved_78;
uint32_t reserved_7c;
union {
struct {
uint32_t y_max: 16; /*don't use*/
uint32_t y_min: 16; /*don't use*/
};
uint32_t val;
} cvsd_conf0;
union {
struct {
uint32_t sigma_max: 16; /*don't use*/
uint32_t sigma_min: 16; /*don't use*/
};
uint32_t val;
} cvsd_conf1;
union {
struct {
uint32_t cvsd_k: 3; /*don't use*/
uint32_t cvsd_j: 3; /*don't use*/
uint32_t cvsd_beta: 10; /*don't use*/
uint32_t cvsd_h: 3; /*don't use*/
uint32_t reserved19:13; /*don't use*/
};
uint32_t val;
} cvsd_conf2;
union {
struct {
uint32_t good_pack_max: 6; /*don't use*/
uint32_t n_err_seg: 3; /*don't use*/
uint32_t shift_rate: 3; /*don't use*/
uint32_t max_slide_sample: 8; /*don't use*/
uint32_t pack_len_8k: 5; /*don't use*/
uint32_t n_min_err: 3; /*don't use*/
uint32_t reserved28: 4; /*don't use*/
};
uint32_t val;
} plc_conf0;
union {
struct {
uint32_t bad_cef_atten_para: 8; /*don't use*/
uint32_t bad_cef_atten_para_shift: 4; /*don't use*/
uint32_t bad_ola_win2_para_shift: 4; /*don't use*/
uint32_t bad_ola_win2_para: 8; /*don't use*/
uint32_t slide_win_len: 8; /*don't use*/
};
uint32_t val;
} plc_conf1;
union {
struct {
uint32_t cvsd_seg_mod: 2; /*don't use*/
uint32_t min_period: 5; /*don't use*/
uint32_t reserved7: 25; /*don't use*/
};
uint32_t val;
} plc_conf2;
union {
struct {
uint32_t en: 1; /*don't use*/
uint32_t chan_mod: 1; /*don't use*/
uint32_t cvsd_dec_pack_err: 1; /*don't use*/
uint32_t cvsd_pack_len_8k: 5; /*don't use*/
uint32_t cvsd_inf_en: 1; /*don't use*/
uint32_t cvsd_dec_start: 1; /*don't use*/
uint32_t cvsd_dec_reset: 1; /*don't use*/
uint32_t plc_en: 1; /*don't use*/
uint32_t plc2dma_en: 1; /*don't use*/
uint32_t reserved13: 19; /*don't use*/
};
uint32_t val;
} esco_conf0;
union {
struct {
uint32_t with_en: 1; /*don't use*/
uint32_t no_en: 1; /*don't use*/
uint32_t cvsd_enc_start: 1; /*don't use*/
uint32_t cvsd_enc_reset: 1; /*don't use*/
uint32_t reserved4: 28; /*don't use*/
};
uint32_t val;
} sco_conf0;
union {
struct {
uint32_t tx_pcm_conf: 3; /*Compress/Decompress module configuration bits. 0: decompress transmitted data 1:compress transmitted data*/
uint32_t tx_pcm_bypass: 1; /*Set this bit to bypass Compress/Decompress module for transmitted data.*/
uint32_t rx_pcm_conf: 3; /*Compress/Decompress module configuration bits. 0: decompress received data 1:compress received data*/
uint32_t rx_pcm_bypass: 1; /*Set this bit to bypass Compress/Decompress module for received data.*/
uint32_t tx_stop_en: 1; /*Set this bit to stop disable output BCK signal and WS signal when tx FIFO is emtpy*/
uint32_t tx_zeros_rm_en: 1; /*don't use*/
uint32_t reserved10: 22;
};
uint32_t val;
} conf1;
union {
struct {
uint32_t fifo_force_pd: 1; /*Force FIFO power-down*/
uint32_t fifo_force_pu: 1; /*Force FIFO power-up*/
uint32_t plc_mem_force_pd: 1;
uint32_t plc_mem_force_pu: 1;
uint32_t reserved4: 28;
};
uint32_t val;
} pd_conf;
union {
struct {
uint32_t camera_en: 1; /*Set this bit to enable camera mode*/
uint32_t lcd_tx_wrx2_en: 1; /*LCD WR double for one datum.*/
uint32_t lcd_tx_sdx2_en: 1; /*Set this bit to duplicate data pairs (Frame Form 2) in LCD mode.*/
uint32_t data_enable_test_en: 1; /*for debug camera mode enable*/
uint32_t data_enable: 1; /*for debug camera mode enable*/
uint32_t lcd_en: 1; /*Set this bit to enable LCD mode*/
uint32_t ext_adc_start_en: 1; /*Set this bit to enable the function that ADC mode is triggered by external signal.*/
uint32_t inter_valid_en: 1; /*Set this bit to enable camera internal valid*/
uint32_t cam_sync_fifo_reset: 1; /*Set this bit to reset cam_sync_fifo*/
uint32_t cam_clk_loopback: 1; /*Set this bit to loopback cam_clk from i2s_rx*/
uint32_t i_v_sync_filter_en: 1;
uint32_t i_v_sync_filter_thres: 3;
uint32_t reserved14: 18;
};
uint32_t val;
} conf2;
union {
struct {
uint32_t clkm_div_num: 8; /*Integral I2S clock divider value*/
uint32_t clkm_div_b: 6; /*Fractional clock divider numerator value*/
uint32_t clkm_div_a: 6; /*Fractional clock divider denominator value*/
uint32_t clk_en: 1; /*Set this bit to enable clk gate*/
uint32_t clk_sel: 2; /*Set this bit to enable clk_apll*/
uint32_t reserved23: 9;
};
uint32_t val;
} clkm_conf;
union {
struct {
uint32_t tx_bck_div_num: 6; /*Bit clock configuration bits in transmitter mode.*/
uint32_t rx_bck_div_num: 6; /*Bit clock configuration bits in receiver mode.*/
uint32_t tx_bits_mod: 6; /*Set the bits to configure bit length of I2S transmitter channel.*/
uint32_t rx_bits_mod: 6; /*Set the bits to configure bit length of I2S receiver channel.*/
uint32_t reserved24: 8;
};
uint32_t val;
} sample_rate_conf;
union {
struct {
uint32_t tx_pdm_en: 1; /*Set this bit to enable transmitter PDM mode*/
uint32_t rx_pdm_en: 1; /*Set this bit to enable receiver PDM mode*/
uint32_t pcm2pdm_conv_en: 1; /*Set this bit to enable PCM-to-PDM converter*/
uint32_t pdm2pcm_conv_en: 1; /*Set this bit to enable PDM-to-PCM converter*/
uint32_t tx_sinc_osr2: 4; /*upsample rate = 64 * reg_tx_pdm_sinc_osr2*/
uint32_t tx_prescale: 8; /*set to 0*/
uint32_t tx_hp_in_shift: 2; /*Adjust size of input signal to filter module. 0: divided by 2 1:multiplied by 1 2:multiplied by 2 3:multiplied by 4*/
uint32_t tx_lp_in_shift: 2; /*Adjust size of input signal to filter module. 0: divided by 2 1:multiplied by 1 2:multiplied by 2 3:multiplied by 4*/
uint32_t tx_sinc_in_shift: 2; /*Adjust size of input signal to filter module. 0: divided by 2 1:multiplied by 1 2:multiplied by 2 3:multiplied by 4*/
uint32_t tx_sigmadelta_in_shift: 2; /*Adjust size of input signal to filter module. 0: divided by 2 1:multiplied by 1 2:multiplied by 2 3:multiplied by 4*/
uint32_t rx_sinc_dsr_16_en: 1; /*PDM down-sampling rate for filter group1 in receiver mode. 0: downsample rate = 64 1:downsample rate = 128*/
uint32_t txhp_bypass: 1; /*Set this bit to enable tx pdm hp filter bypass*/
uint32_t tx_chan_mod: 2; /*pdm tx channel mode*/
uint32_t tx_way_mode: 2; /*0/1 pdm rx use one-way*/
uint32_t rx_way_mode: 2; /*0/1 pdm rx use one-way*/
};
uint32_t val;
} pdm_conf;
union {
struct {
uint32_t tx_pdm_fs: 10; /*PCM-to-PDM converter PCM frequency parameter*/
uint32_t tx_pdm_fp: 10; /*PCM-to-PDM converter PDM frequency parameter*/
uint32_t reserved20:12;
};
uint32_t val;
} pdm_freq_conf;
union {
struct {
uint32_t tx_idle: 1; /*1: i2s_tx is idle state*/
uint32_t reserved1: 31;
};
uint32_t val;
} state;
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 reserved_f8;
uint32_t date; /**/
} i2s_dev_t;
extern i2s_dev_t I2S0;
extern i2s_dev_t I2S1;
#ifdef __cplusplus
}
#endif
#endif /* _SOC_I2S_STRUCT_H_ */
Reference in New Issue View Git Blame Copy Permalink