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esp-idf/components/soc/esp32c3/include/soc/uart_struct.h
Angus Gratton c29d93986d soc: Add initial ESP32-C3 support 
From internal commit 7761d6e8
2020-11-30 11:12:56 +11:00

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// Copyright 2020 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_UART_STRUCT_H_
#define _SOC_UART_STRUCT_H_
#ifdef __cplusplus
extern "C" {
#endif
typedef volatile struct {
union {
struct {
uint32_t rw_byte; /*a*/
};
uint32_t val;
} ahb_fifo;
union {
struct {
uint32_t rxfifo_full: 1; /*This interrupt raw bit turns to high level when receiver receives more data than what rxfifo_full_thrhd specifies.*/
uint32_t txfifo_empty: 1; /*This interrupt raw bit turns to high level when the amount of data in Tx-FIFO is less than what txfifo_empty_thrhd specifies .*/
uint32_t parity_err: 1; /*This interrupt raw bit turns to high level when receiver detects a parity error in the data.*/
uint32_t frm_err: 1; /*This interrupt raw bit turns to high level when receiver detects a data frame error .*/
uint32_t rxfifo_ovf: 1; /*This interrupt raw bit turns to high level when receiver receives more data than the FIFO can store.*/
uint32_t dsr_chg: 1; /*This interrupt raw bit turns to high level when receiver detects the edge change of DSRn signal.*/
uint32_t cts_chg: 1; /*This interrupt raw bit turns to high level when receiver detects the edge change of CTSn signal.*/
uint32_t brk_det: 1; /*This interrupt raw bit turns to high level when receiver detects a 0 after the stop bit.*/
uint32_t rxfifo_tout: 1; /*This interrupt raw bit turns to high level when receiver takes more time than rx_tout_thrhd to receive a byte.*/
uint32_t sw_xon: 1; /*This interrupt raw bit turns to high level when receiver recevies Xon char when uart_sw_flow_con_en is set to 1.*/
uint32_t sw_xoff: 1; /*This interrupt raw bit turns to high level when receiver receives Xoff char when uart_sw_flow_con_en is set to 1.*/
uint32_t glitch_det: 1; /*This interrupt raw bit turns to high level when receiver detects a glitch in the middle of a start bit.*/
uint32_t tx_brk_done: 1; /*This interrupt raw bit turns to high level when transmitter completes sending NULL characters after all data in Tx-FIFO are sent.*/
uint32_t tx_brk_idle_done: 1; /*This interrupt raw bit turns to high level when transmitter has kept the shortest duration after sending the last data.*/
uint32_t tx_done: 1; /*This interrupt raw bit turns to high level when transmitter has send out all data in FIFO.*/
uint32_t rs485_parity_err: 1; /*This interrupt raw bit turns to high level when receiver detects a parity error from the echo of transmitter in rs485 mode.*/
uint32_t rs485_frm_err: 1; /*This interrupt raw bit turns to high level when receiver detects a data frame error from the echo of transmitter in rs485 mode.*/
uint32_t rs485_clash: 1; /*This interrupt raw bit turns to high level when detects a clash between transmitter and receiver in rs485 mode.*/
uint32_t at_cmd_char_det: 1; /*This interrupt raw bit turns to high level when receiver detects the configured at_cmd char.*/
uint32_t wakeup: 1; /*This interrupt raw bit turns to high level when input rxd edge changes more times than what reg_active_threshold specifies in light sleeping mode.*/
uint32_t reserved20: 12; /*Reserved*/
};
uint32_t val;
} int_raw;
union {
struct {
uint32_t rxfifo_full: 1; /*This is the status bit for rxfifo_full_int_raw when rxfifo_full_int_ena is set to 1.*/
uint32_t txfifo_empty: 1; /*This is the status bit for txfifo_empty_int_raw when txfifo_empty_int_ena is set to 1.*/
uint32_t parity_err: 1; /*This is the status bit for parity_err_int_raw when parity_err_int_ena is set to 1.*/
uint32_t frm_err: 1; /*This is the status bit for frm_err_int_raw when frm_err_int_ena is set to 1.*/
uint32_t rxfifo_ovf: 1; /*This is the status bit for rxfifo_ovf_int_raw when rxfifo_ovf_int_ena is set to 1.*/
uint32_t dsr_chg: 1; /*This is the status bit for dsr_chg_int_raw when dsr_chg_int_ena is set to 1.*/
uint32_t cts_chg: 1; /*This is the status bit for cts_chg_int_raw when cts_chg_int_ena is set to 1.*/
uint32_t brk_det: 1; /*This is the status bit for brk_det_int_raw when brk_det_int_ena is set to 1.*/
uint32_t rxfifo_tout: 1; /*This is the status bit for rxfifo_tout_int_raw when rxfifo_tout_int_ena is set to 1.*/
uint32_t sw_xon: 1; /*This is the status bit for sw_xon_int_raw when sw_xon_int_ena is set to 1.*/
uint32_t sw_xoff: 1; /*This is the status bit for sw_xoff_int_raw when sw_xoff_int_ena is set to 1.*/
uint32_t glitch_det: 1; /*This is the status bit for glitch_det_int_raw when glitch_det_int_ena is set to 1.*/
uint32_t tx_brk_done: 1; /*This is the status bit for tx_brk_done_int_raw when tx_brk_done_int_ena is set to 1.*/
uint32_t tx_brk_idle_done: 1; /*This is the stauts bit for tx_brk_idle_done_int_raw when tx_brk_idle_done_int_ena is set to 1.*/
uint32_t tx_done: 1; /*This is the status bit for tx_done_int_raw when tx_done_int_ena is set to 1.*/
uint32_t rs485_parity_err: 1; /*This is the status bit for rs485_parity_err_int_raw when rs485_parity_int_ena is set to 1.*/
uint32_t rs485_frm_err: 1; /*This is the status bit for rs485_frm_err_int_raw when rs485_fm_err_int_ena is set to 1.*/
uint32_t rs485_clash: 1; /*This is the status bit for rs485_clash_int_raw when rs485_clash_int_ena is set to 1.*/
uint32_t at_cmd_char_det: 1; /*This is the status bit for at_cmd_det_int_raw when at_cmd_char_det_int_ena is set to 1.*/
uint32_t wakeup: 1; /*This is the status bit for uart_wakeup_int_raw when uart_wakeup_int_ena is set to 1.*/
uint32_t reserved20: 12; /*Reserved*/
};
uint32_t val;
} int_st;
union {
struct {
uint32_t rxfifo_full: 1; /*This is the enable bit for rxfifo_full_int_st register.*/
uint32_t txfifo_empty: 1; /*This is the enable bit for txfifo_empty_int_st register.*/
uint32_t parity_err: 1; /*This is the enable bit for parity_err_int_st register.*/
uint32_t frm_err: 1; /*This is the enable bit for frm_err_int_st register.*/
uint32_t rxfifo_ovf: 1; /*This is the enable bit for rxfifo_ovf_int_st register.*/
uint32_t dsr_chg: 1; /*This is the enable bit for dsr_chg_int_st register.*/
uint32_t cts_chg: 1; /*This is the enable bit for cts_chg_int_st register.*/
uint32_t brk_det: 1; /*This is the enable bit for brk_det_int_st register.*/
uint32_t rxfifo_tout: 1; /*This is the enable bit for rxfifo_tout_int_st register.*/
uint32_t sw_xon: 1; /*This is the enable bit for sw_xon_int_st register.*/
uint32_t sw_xoff: 1; /*This is the enable bit for sw_xoff_int_st register.*/
uint32_t glitch_det: 1; /*This is the enable bit for glitch_det_int_st register.*/
uint32_t tx_brk_done: 1; /*This is the enable bit for tx_brk_done_int_st register.*/
uint32_t tx_brk_idle_done: 1; /*This is the enable bit for tx_brk_idle_done_int_st register.*/
uint32_t tx_done: 1; /*This is the enable bit for tx_done_int_st register.*/
uint32_t rs485_parity_err: 1; /*This is the enable bit for rs485_parity_err_int_st register.*/
uint32_t rs485_frm_err: 1; /*This is the enable bit for rs485_parity_err_int_st register.*/
uint32_t rs485_clash: 1; /*This is the enable bit for rs485_clash_int_st register.*/
uint32_t at_cmd_char_det: 1; /*This is the enable bit for at_cmd_char_det_int_st register.*/
uint32_t wakeup: 1; /*This is the enable bit for uart_wakeup_int_st register.*/
uint32_t reserved20: 12; /*Reserved*/
};
uint32_t val;
} int_ena;
union {
struct {
uint32_t rxfifo_full: 1; /*Set this bit to clear the rxfifo_full_int_raw interrupt.*/
uint32_t txfifo_empty: 1; /*Set this bit to clear txfifo_empty_int_raw interrupt.*/
uint32_t parity_err: 1; /*Set this bit to clear parity_err_int_raw interrupt.*/
uint32_t frm_err: 1; /*Set this bit to clear frm_err_int_raw interrupt.*/
uint32_t rxfifo_ovf: 1; /*Set this bit to clear rxfifo_ovf_int_raw interrupt.*/
uint32_t dsr_chg: 1; /*Set this bit to clear the dsr_chg_int_raw interrupt.*/
uint32_t cts_chg: 1; /*Set this bit to clear the cts_chg_int_raw interrupt.*/
uint32_t brk_det: 1; /*Set this bit to clear the brk_det_int_raw interrupt.*/
uint32_t rxfifo_tout: 1; /*Set this bit to clear the rxfifo_tout_int_raw interrupt.*/
uint32_t sw_xon: 1; /*Set this bit to clear the sw_xon_int_raw interrupt.*/
uint32_t sw_xoff: 1; /*Set this bit to clear the sw_xoff_int_raw interrupt.*/
uint32_t glitch_det: 1; /*Set this bit to clear the glitch_det_int_raw interrupt.*/
uint32_t tx_brk_done: 1; /*Set this bit to clear the tx_brk_done_int_raw interrupt..*/
uint32_t tx_brk_idle_done: 1; /*Set this bit to clear the tx_brk_idle_done_int_raw interrupt.*/
uint32_t tx_done: 1; /*Set this bit to clear the tx_done_int_raw interrupt.*/
uint32_t rs485_parity_err: 1; /*Set this bit to clear the rs485_parity_err_int_raw interrupt.*/
uint32_t rs485_frm_err: 1; /*Set this bit to clear the rs485_frm_err_int_raw interrupt.*/
uint32_t rs485_clash: 1; /*Set this bit to clear the rs485_clash_int_raw interrupt.*/
uint32_t at_cmd_char_det: 1; /*Set this bit to clear the at_cmd_char_det_int_raw interrupt.*/
uint32_t wakeup: 1; /*Set this bit to clear the uart_wakeup_int_raw interrupt.*/
uint32_t reserved20: 12; /*Reserved*/
};
uint32_t val;
} int_clr;
union {
struct {
uint32_t div_int: 12; /*The integral part of the frequency divider factor.*/
uint32_t reserved12: 8;
uint32_t div_frag: 4; /*The decimal part of the frequency divider factor.*/
uint32_t reserved24: 8; /*Reserved*/
};
uint32_t val;
} clk_div;
union {
struct {
uint32_t glitch_filt: 8; /*when input pulse width is lower than this value the pulse is ignored.*/
uint32_t glitch_filt_en: 1; /*Set this bit to enable Rx signal filter.*/
uint32_t reserved9: 23;
};
uint32_t val;
} rx_filt;
union {
struct {
uint32_t rxfifo_cnt:10; /*Stores the byte number of valid data in Rx-FIFO.*/
uint32_t reserved10: 3;
uint32_t dsrn: 1; /*The register represent the level value of the internal uart dsr signal.*/
uint32_t ctsn: 1; /*This register represent the level value of the internal uart cts signal.*/
uint32_t rxd: 1; /*This register represent the level value of the internal uart rxd signal.*/
uint32_t txfifo_cnt:10; /*Stores the byte number of data in Tx-FIFO.*/
uint32_t reserved26: 3; /*Reserved*/
uint32_t dtrn: 1; /*This bit represents the level of the internal uart dtr signal.*/
uint32_t rtsn: 1; /*This bit represents the level of the internal uart rts signal.*/
uint32_t txd: 1; /*This bit represents the level of the internal uart txd signal.*/
};
uint32_t val;
} status;
union {
struct {
uint32_t parity: 1; /*This register is used to configure the parity check mode.*/
uint32_t parity_en: 1; /*Set this bit to enable uart parity check.*/
uint32_t bit_num: 2; /*This register is used to set the length of data.*/
uint32_t stop_bit_num: 2; /*This register is used to set the length of stop bit.*/
uint32_t sw_rts: 1; /*This register is used to configure the software rts signal which is used in software flow control.*/
uint32_t sw_dtr: 1; /*This register is used to configure the software dtr signal which is used in software flow control.*/
uint32_t txd_brk: 1; /*Set this bit to enbale transmitter to send NULL when the process of sending data is done.*/
uint32_t irda_dplx: 1; /*Set this bit to enable IrDA loopback mode.*/
uint32_t irda_tx_en: 1; /*This is the start enable bit for IrDA transmitter.*/
uint32_t irda_wctl: 1; /*1'h1: The IrDA transmitter's 11th bit is the same as 10th bit. 1'h0: Set IrDA transmitter's 11th bit to 0.*/
uint32_t irda_tx_inv: 1; /*Set this bit to invert the level of IrDA transmitter.*/
uint32_t irda_rx_inv: 1; /*Set this bit to invert the level of IrDA receiver.*/
uint32_t loopback: 1; /*Set this bit to enable uart loopback test mode.*/
uint32_t tx_flow_en: 1; /*Set this bit to enable flow control function for transmitter.*/
uint32_t irda_en: 1; /*Set this bit to enable IrDA protocol.*/
uint32_t rxfifo_rst: 1; /*Set this bit to reset the uart receive-FIFO.*/
uint32_t txfifo_rst: 1; /*Set this bit to reset the uart transmit-FIFO.*/
uint32_t rxd_inv: 1; /*Set this bit to inverse the level value of uart rxd signal.*/
uint32_t cts_inv: 1; /*Set this bit to inverse the level value of uart cts signal.*/
uint32_t dsr_inv: 1; /*Set this bit to inverse the level value of uart dsr signal.*/
uint32_t txd_inv: 1; /*Set this bit to inverse the level value of uart txd signal.*/
uint32_t rts_inv: 1; /*Set this bit to inverse the level value of uart rts signal.*/
uint32_t dtr_inv: 1; /*Set this bit to inverse the level value of uart dtr signal.*/
uint32_t clk_en: 1; /*1'h1: Force clock on for register. 1'h0: Support clock only when application writes registers.*/
uint32_t err_wr_mask: 1; /*1'h1: Receiver stops storing data into FIFO when data is wrong. 1'h0: Receiver stores the data even if the received data is wrong.*/
uint32_t autobaud_en: 1; /*This is the enable bit for detecting baudrate.*/
uint32_t mem_clk_en: 1; /*UART memory clock gate enable signal.*/
uint32_t reserved29: 3;
};
uint32_t val;
} conf0;
union {
struct {
uint32_t rxfifo_full_thrhd: 9; /*It will produce rxfifo_full_int interrupt when receiver receives more data than this register value.*/
uint32_t txfifo_empty_thrhd: 9; /*It will produce txfifo_empty_int interrupt when the data amount in Tx-FIFO is less than this register value.*/
uint32_t dis_rx_dat_ovf: 1; /*Disable UART Rx data overflow detect.*/
uint32_t rx_tout_flow_dis: 1; /*Set this bit to stop accumulating idle_cnt when hardware flow control works.*/
uint32_t rx_flow_en: 1; /*This is the flow enable bit for UART receiver.*/
uint32_t rx_tout_en: 1; /*This is the enble bit for uart receiver's timeout function.*/
uint32_t reserved22: 10;
};
uint32_t val;
} conf1;
union {
struct {
uint32_t min_cnt: 12; /*This register stores the value of the minimum duration time of the low level pulse. It is used in baud rate-detect process.*/
uint32_t reserved12: 20; /*Reserved*/
};
uint32_t val;
} lowpulse;
union {
struct {
uint32_t min_cnt: 12; /*This register stores the value of the maxinum duration time for the high level pulse. It is used in baud rate-detect process.*/
uint32_t reserved12: 20; /*Reserved*/
};
uint32_t val;
} highpulse;
union {
struct {
uint32_t edge_cnt: 10; /*This register stores the count of rxd edge change. It is used in baud rate-detect process.*/
uint32_t reserved10: 22; /*Reserved*/
};
uint32_t val;
} rxd_cnt;
union {
struct {
uint32_t sw_flow_con_en: 1; /*Set this bit to enable software flow control. It is used with register sw_xon or sw_xoff.*/
uint32_t xonoff_del: 1; /*Set this bit to remove flow control char from the received data.*/
uint32_t force_xon: 1; /*Set this bit to enable the transmitter to go on sending data.*/
uint32_t force_xoff: 1; /*Set this bit to stop the transmitter from sending data.*/
uint32_t send_xon: 1; /*Set this bit to send Xon char. It is cleared by hardware automatically.*/
uint32_t send_xoff: 1; /*Set this bit to send Xoff char. It is cleared by hardware automatically.*/
uint32_t reserved6: 26; /*Reserved*/
};
uint32_t val;
} flow_conf;
union {
struct {
uint32_t active_threshold:10; /*The uart is activated from light sleeping mode when the input rxd edge changes more times than this register value.*/
uint32_t reserved10: 22; /*Reserved*/
};
uint32_t val;
} sleep_conf;
union {
struct {
uint32_t xoff_threshold: 9; /*When the data amount in Rx-FIFO is more than this register value with uart_sw_flow_con_en set to 1 it will send a Xoff char.*/
uint32_t xoff_char: 8; /*This register stores the Xoff flow control char.*/
uint32_t reserved17: 15; /*Reserved*/
};
uint32_t val;
} swfc_conf0;
union {
struct {
uint32_t xon_threshold: 9; /*When the data amount in Rx-FIFO is less than this register value with uart_sw_flow_con_en set to 1 it will send a Xon char.*/
uint32_t xon_char: 8; /*This register stores the Xon flow control char.*/
uint32_t reserved17: 15; /*Reserved*/
};
uint32_t val;
} swfc_conf1;
union {
struct {
uint32_t tx_brk_num: 8; /*This register is used to configure the number of 0 to be sent after the process of sending data is done. It is active when txd_brk is set to 1.*/
uint32_t reserved8: 24;
};
uint32_t val;
} txbrk_conf;
union {
struct {
uint32_t rx_idle_thrhd:10; /*It will produce frame end signal when receiver takes more time to receive one byte data than this register value.*/
uint32_t tx_idle_num: 10; /*This register is used to configure the duration time between transfers.*/
uint32_t reserved20: 12; /*Reserved*/
};
uint32_t val;
} idle_conf;
union {
struct {
uint32_t en: 1; /*Set this bit to choose the rs485 mode.*/
uint32_t dl0_en: 1; /*Set this bit to delay the stop bit by 1 bit.*/
uint32_t dl1_en: 1; /*Set this bit to delay the stop bit by 1 bit.*/
uint32_t tx_rx_en: 1; /*Set this bit to enable receiver could receive data when the transmitter is transmitting data in rs485 mode.*/
uint32_t rx_busy_tx_en: 1; /*1'h1: enable rs485 transmitter to send data when rs485 receiver line is busy.*/
uint32_t rx_dly_num: 1; /*This register is used to delay the receiver's internal data signal.*/
uint32_t tx_dly_num: 4; /*This register is used to delay the transmitter's internal data signal.*/
uint32_t reserved10: 22; /*Reserved*/
};
uint32_t val;
} rs485_conf;
union {
struct {
uint32_t pre_idle_num:16; /*This register is used to configure the idle duration time before the first at_cmd is received by receiver.*/
uint32_t reserved16: 16; /*Reserved*/
};
uint32_t val;
} at_cmd_precnt;
union {
struct {
uint32_t post_idle_num:16; /*This register is used to configure the duration time between the last at_cmd and the next data.*/
uint32_t reserved16: 16; /*Reserved*/
};
uint32_t val;
} at_cmd_postcnt;
union {
struct {
uint32_t rx_gap_tout:16; /*This register is used to configure the duration time between the at_cmd chars.*/
uint32_t reserved16: 16; /*Reserved*/
};
uint32_t val;
} at_cmd_gaptout;
union {
struct {
uint32_t data: 8; /*This register is used to configure the content of at_cmd char.*/
uint32_t char_num: 8; /*This register is used to configure the num of continuous at_cmd chars received by receiver.*/
uint32_t reserved16: 16; /*Reserved*/
};
uint32_t val;
} at_cmd_char;
union {
struct {
uint32_t reserved0: 1;
uint32_t rx_size: 3; /*This register is used to configure the amount of mem allocated for receive-FIFO. The default number is 128 bytes.*/
uint32_t tx_size: 3; /*This register is used to configure the amount of mem allocated for transmit-FIFO. The default number is 128 bytes.*/
uint32_t rx_flow_thrhd: 9; /*This register is used to configure the maximum amount of data that can be received when hardware flow control works.*/
uint32_t rx_tout_thrhd:10; /*This register is used to configure the threshold time that receiver takes to receive one byte. The rxfifo_tout_int interrupt will be trigger when the receiver takes more time to receive one byte with rx_tout_en set to 1.*/
uint32_t force_pd: 1; /*Set this bit to force power down UART memory.*/
uint32_t force_pu: 1; /*Set this bit to force power up UART memory.*/
uint32_t reserved28: 4;
};
uint32_t val;
} mem_conf;
union {
struct {
uint32_t apb_tx_waddr:10; /*This register stores the offset address in Tx-FIFO when software writes Tx-FIFO via APB.*/
uint32_t reserved10: 1; /*Reserved*/
uint32_t tx_raddr: 10; /*This register stores the offset address in Tx-FIFO when Tx-FSM reads data via Tx-FIFO_Ctrl.*/
uint32_t reserved21: 11; /*Reserved*/
};
uint32_t val;
} mem_tx_status;
union {
struct {
uint32_t apb_rx_raddr:10; /*This register stores the offset address in RX-FIFO when software reads data from Rx-FIFO via APB. UART0 is 10'h100. UART1 is 10'h180.*/
uint32_t reserved10: 1; /*Reserved*/
uint32_t rx_waddr: 10; /*This register stores the offset address in Rx-FIFO when Rx-FIFO_Ctrl writes Rx-FIFO. UART0 is 10'h100. UART1 is 10'h180.*/
uint32_t reserved21: 11; /*Reserved*/
};
uint32_t val;
} mem_rx_status;
union {
struct {
uint32_t st_urx_out: 4; /*This is the status register of receiver.*/
uint32_t st_utx_out: 4; /*This is the status register of transmitter.*/
uint32_t reserved8: 24; /*Reserved*/
};
uint32_t val;
} fsm_status;
union {
struct {
uint32_t min_cnt: 12; /*This register stores the minimal input clock count between two positive edges. It is used in boudrate-detect process.*/
uint32_t reserved12: 20; /*Reserved*/
};
uint32_t val;
} pospulse;
union {
struct {
uint32_t min_cnt: 12; /*This register stores the minimal input clock count between two negative edges. It is used in boudrate-detect process.*/
uint32_t reserved12: 20; /*Reserved*/
};
uint32_t val;
} negpulse;
union {
struct {
uint32_t sclk_div_b: 6; /*The denominator of the frequency divider factor.*/
uint32_t sclk_div_a: 6; /*The numerator of the frequency divider factor.*/
uint32_t sclk_div_num: 8; /*The integral part of the frequency divider factor.*/
uint32_t sclk_sel: 2; /*UART clock source select. 1: 80Mhz 2: 8Mhz 3: XTAL.*/
uint32_t sclk_en: 1; /*Set this bit to enable UART Tx/Rx clock.*/
uint32_t rst_core: 1; /*Write 1 then write 0 to this bit reset UART Tx/Rx.*/
uint32_t tx_sclk_en: 1; /*Set this bit to enable UART Tx clock.*/
uint32_t rx_sclk_en: 1; /*Set this bit to enable UART Rx clock.*/
uint32_t tx_rst_core: 1; /*Write 1 then write 0 to this bit reset UART Tx.*/
uint32_t rx_rst_core: 1; /*Write 1 then write 0 to this bit reset UART Rx.*/
uint32_t reserved28: 4;
};
uint32_t val;
} clk_conf;
uint32_t date; /*UART Version register*/
union {
struct {
uint32_t id : 30; /*This register is used to configure the uart_id.*/
uint32_t high_speed : 1; /*This bit used to select synchronize mode. 1: Registers are auto synchronized into UART Core clock and UART core should be keep the same with APB clock. 0: After configure registers, software needs to write 1 to UART_REG_UPDATE to synchronize registers. */
uint32_t update : 1; /*Software write 1 would synchronize registers into UART Core clock domain and would be cleared by hardware after synchronization is done.*/
};
uint32_t val;
} id;
} uart_dev_t;
extern uart_dev_t UART0;
extern uart_dev_t UART1;
#ifdef __cplusplus
}
#endif
#endif /* _SOC_UART_STRUCT_H_ */
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