1 /* 2 * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 #pragma once 7 8 #include <stdint.h> 9 10 #ifdef __cplusplus 11 extern "C" { 12 #endif 13 14 typedef struct rmt_dev_t { 15 volatile uint32_t data_ch[8]; /*The R/W ram address for channel0-7 by apb fifo access. 16 Note that in some circumstances, data read from the FIFO may get lost. As RMT memory area accesses using the RMTMEM method do not have this issue 17 and provide all the functionality that the FIFO register has, it is encouraged to use that instead.*/ 18 volatile struct { 19 union { 20 struct { 21 uint32_t div_cnt: 8; /*This register is used to configure the frequency divider's factor in channel0-7.*/ 22 uint32_t idle_thres: 16; /*In receive mode when no edge is detected on the input signal for longer than reg_idle_thres_ch0 then the receive process is done.*/ 23 uint32_t mem_size: 4; /*This register is used to configure the the amount of memory blocks allocated to channel0-7.*/ 24 uint32_t carrier_en: 1; /*This is the carrier modulation enable control bit for channel0-7.*/ 25 uint32_t carrier_out_lv: 1; /*This bit is used to configure the way carrier wave is modulated for channel0-7.1'b1:transmit on low output level 1'b0:transmit on high output level.*/ 26 uint32_t mem_pd: 1; /*This bit is used to reduce power consumed by memory. 1:memory is in low power state.*/ 27 uint32_t clk_en: 1; /*This bit is used to control clock.when software configure RMT internal registers it controls the register clock.*/ 28 }; 29 uint32_t val; 30 } conf0; 31 union { 32 struct { 33 uint32_t tx_start: 1; /*Set this bit to start sending data for channel0-7.*/ 34 uint32_t rx_en: 1; /*Set this bit to enable receiving data for channel0-7.*/ 35 uint32_t mem_wr_rst: 1; /*Set this bit to reset write ram address for channel0-7 by receiver access.*/ 36 uint32_t mem_rd_rst: 1; /*Set this bit to reset read ram address for channel0-7 by transmitter access.*/ 37 uint32_t apb_mem_rst: 1; /*Set this bit to reset W/R ram address for channel0-7 by apb fifo access (using fifo is discouraged, please see the note above at data_ch[] item)*/ 38 uint32_t mem_owner: 1; /*This is the mark of channel0-7's ram usage right.1'b1：receiver uses the ram 0：transmitter uses the ram*/ 39 uint32_t tx_conti_mode: 1; /*Set this bit to continue sending from the first data to the last data in channel0-7 again and again.*/ 40 uint32_t rx_filter_en: 1; /*This is the receive filter enable bit for channel0-7.*/ 41 uint32_t rx_filter_thres: 8; /*in receive mode channel0-7 ignore input pulse when the pulse width is smaller then this value.*/ 42 uint32_t ref_cnt_rst: 1; /*This bit is used to reset divider in channel0-7.*/ 43 uint32_t ref_always_on: 1; /*This bit is used to select base clock. 1'b1:clk_apb 1'b0:clk_ref*/ 44 uint32_t idle_out_lv: 1; /*This bit configures the output signal's level for channel0-7 in IDLE state.*/ 45 uint32_t idle_out_en: 1; /*This is the output enable control bit for channel0-7 in IDLE state.*/ 46 uint32_t reserved20: 12; 47 }; 48 uint32_t val; 49 } conf1; 50 } conf_ch[8]; 51 volatile uint32_t status_ch[8]; /*The status for channel0-7*/ 52 volatile uint32_t apb_mem_addr_ch[8]; /*The ram relative address in channel0-7 by apb fifo access (using fifo is discouraged, please see the note above at data_ch[] item)*/ 53 volatile union { 54 struct { 55 uint32_t ch0_tx_end: 1; /*The interrupt raw bit for channel 0 turns to high level when the transmit process is done.*/ 56 uint32_t ch0_rx_end: 1; /*The interrupt raw bit for channel 0 turns to high level when the receive process is done.*/ 57 uint32_t ch0_err: 1; /*The interrupt raw bit for channel 0 turns to high level when channel 0 detects some errors.*/ 58 uint32_t ch1_tx_end: 1; /*The interrupt raw bit for channel 1 turns to high level when the transmit process is done.*/ 59 uint32_t ch1_rx_end: 1; /*The interrupt raw bit for channel 1 turns to high level when the receive process is done.*/ 60 uint32_t ch1_err: 1; /*The interrupt raw bit for channel 1 turns to high level when channel 1 detects some errors.*/ 61 uint32_t ch2_tx_end: 1; /*The interrupt raw bit for channel 2 turns to high level when the transmit process is done.*/ 62 uint32_t ch2_rx_end: 1; /*The interrupt raw bit for channel 2 turns to high level when the receive process is done.*/ 63 uint32_t ch2_err: 1; /*The interrupt raw bit for channel 2 turns to high level when channel 2 detects some errors.*/ 64 uint32_t ch3_tx_end: 1; /*The interrupt raw bit for channel 3 turns to high level when the transmit process is done.*/ 65 uint32_t ch3_rx_end: 1; /*The interrupt raw bit for channel 3 turns to high level when the receive process is done.*/ 66 uint32_t ch3_err: 1; /*The interrupt raw bit for channel 3 turns to high level when channel 3 detects some errors.*/ 67 uint32_t ch4_tx_end: 1; /*The interrupt raw bit for channel 4 turns to high level when the transmit process is done.*/ 68 uint32_t ch4_rx_end: 1; /*The interrupt raw bit for channel 4 turns to high level when the receive process is done.*/ 69 uint32_t ch4_err: 1; /*The interrupt raw bit for channel 4 turns to high level when channel 4 detects some errors.*/ 70 uint32_t ch5_tx_end: 1; /*The interrupt raw bit for channel 5 turns to high level when the transmit process is done.*/ 71 uint32_t ch5_rx_end: 1; /*The interrupt raw bit for channel 5 turns to high level when the receive process is done.*/ 72 uint32_t ch5_err: 1; /*The interrupt raw bit for channel 5 turns to high level when channel 5 detects some errors.*/ 73 uint32_t ch6_tx_end: 1; /*The interrupt raw bit for channel 6 turns to high level when the transmit process is done.*/ 74 uint32_t ch6_rx_end: 1; /*The interrupt raw bit for channel 6 turns to high level when the receive process is done.*/ 75 uint32_t ch6_err: 1; /*The interrupt raw bit for channel 6 turns to high level when channel 6 detects some errors.*/ 76 uint32_t ch7_tx_end: 1; /*The interrupt raw bit for channel 7 turns to high level when the transmit process is done.*/ 77 uint32_t ch7_rx_end: 1; /*The interrupt raw bit for channel 7 turns to high level when the receive process is done.*/ 78 uint32_t ch7_err: 1; /*The interrupt raw bit for channel 7 turns to high level when channel 7 detects some errors.*/ 79 uint32_t ch0_tx_thr_event: 1; /*The interrupt raw bit for channel 0 turns to high level when transmitter in channel0 have send data more than reg_rmt_tx_lim_ch0 after detecting this interrupt software can updata the old data with new data.*/ 80 uint32_t ch1_tx_thr_event: 1; /*The interrupt raw bit for channel 1 turns to high level when transmitter in channel1 have send data more than reg_rmt_tx_lim_ch1 after detecting this interrupt software can updata the old data with new data.*/ 81 uint32_t ch2_tx_thr_event: 1; /*The interrupt raw bit for channel 2 turns to high level when transmitter in channel2 have send data more than reg_rmt_tx_lim_ch2 after detecting this interrupt software can updata the old data with new data.*/ 82 uint32_t ch3_tx_thr_event: 1; /*The interrupt raw bit for channel 3 turns to high level when transmitter in channel3 have send data more than reg_rmt_tx_lim_ch3 after detecting this interrupt software can updata the old data with new data.*/ 83 uint32_t ch4_tx_thr_event: 1; /*The interrupt raw bit for channel 4 turns to high level when transmitter in channel4 have send data more than reg_rmt_tx_lim_ch4 after detecting this interrupt software can updata the old data with new data.*/ 84 uint32_t ch5_tx_thr_event: 1; /*The interrupt raw bit for channel 5 turns to high level when transmitter in channel5 have send data more than reg_rmt_tx_lim_ch5 after detecting this interrupt software can updata the old data with new data.*/ 85 uint32_t ch6_tx_thr_event: 1; /*The interrupt raw bit for channel 6 turns to high level when transmitter in channel6 have send data more than reg_rmt_tx_lim_ch6 after detecting this interrupt software can updata the old data with new data.*/ 86 uint32_t ch7_tx_thr_event: 1; /*The interrupt raw bit for channel 7 turns to high level when transmitter in channel7 have send data more than reg_rmt_tx_lim_ch7 after detecting this interrupt software can updata the old data with new data.*/ 87 }; 88 uint32_t val; 89 } int_raw; 90 volatile union { 91 struct { 92 uint32_t ch0_tx_end: 1; /*The interrupt state bit for channel 0's mt_ch0_tx_end_int_raw when mt_ch0_tx_end_int_ena is set to 0.*/ 93 uint32_t ch0_rx_end: 1; /*The interrupt state bit for channel 0's rmt_ch0_rx_end_int_raw when rmt_ch0_rx_end_int_ena is set to 0.*/ 94 uint32_t ch0_err: 1; /*The interrupt state bit for channel 0's rmt_ch0_err_int_raw when rmt_ch0_err_int_ena is set to 0.*/ 95 uint32_t ch1_tx_end: 1; /*The interrupt state bit for channel 1's mt_ch1_tx_end_int_raw when mt_ch1_tx_end_int_ena is set to 1.*/ 96 uint32_t ch1_rx_end: 1; /*The interrupt state bit for channel 1's rmt_ch1_rx_end_int_raw when rmt_ch1_rx_end_int_ena is set to 1.*/ 97 uint32_t ch1_err: 1; /*The interrupt state bit for channel 1's rmt_ch1_err_int_raw when rmt_ch1_err_int_ena is set to 1.*/ 98 uint32_t ch2_tx_end: 1; /*The interrupt state bit for channel 2's mt_ch2_tx_end_int_raw when mt_ch2_tx_end_int_ena is set to 1.*/ 99 uint32_t ch2_rx_end: 1; /*The interrupt state bit for channel 2's rmt_ch2_rx_end_int_raw when rmt_ch2_rx_end_int_ena is set to 1.*/ 100 uint32_t ch2_err: 1; /*The interrupt state bit for channel 2's rmt_ch2_err_int_raw when rmt_ch2_err_int_ena is set to 1.*/ 101 uint32_t ch3_tx_end: 1; /*The interrupt state bit for channel 3's mt_ch3_tx_end_int_raw when mt_ch3_tx_end_int_ena is set to 1.*/ 102 uint32_t ch3_rx_end: 1; /*The interrupt state bit for channel 3's rmt_ch3_rx_end_int_raw when rmt_ch3_rx_end_int_ena is set to 1.*/ 103 uint32_t ch3_err: 1; /*The interrupt state bit for channel 3's rmt_ch3_err_int_raw when rmt_ch3_err_int_ena is set to 1.*/ 104 uint32_t ch4_tx_end: 1; /*The interrupt state bit for channel 4's mt_ch4_tx_end_int_raw when mt_ch4_tx_end_int_ena is set to 1.*/ 105 uint32_t ch4_rx_end: 1; /*The interrupt state bit for channel 4's rmt_ch4_rx_end_int_raw when rmt_ch4_rx_end_int_ena is set to 1.*/ 106 uint32_t ch4_err: 1; /*The interrupt state bit for channel 4's rmt_ch4_err_int_raw when rmt_ch4_err_int_ena is set to 1.*/ 107 uint32_t ch5_tx_end: 1; /*The interrupt state bit for channel 5's mt_ch5_tx_end_int_raw when mt_ch5_tx_end_int_ena is set to 1.*/ 108 uint32_t ch5_rx_end: 1; /*The interrupt state bit for channel 5's rmt_ch5_rx_end_int_raw when rmt_ch5_rx_end_int_ena is set to 1.*/ 109 uint32_t ch5_err: 1; /*The interrupt state bit for channel 5's rmt_ch5_err_int_raw when rmt_ch5_err_int_ena is set to 1.*/ 110 uint32_t ch6_tx_end: 1; /*The interrupt state bit for channel 6's mt_ch6_tx_end_int_raw when mt_ch6_tx_end_int_ena is set to 1.*/ 111 uint32_t ch6_rx_end: 1; /*The interrupt state bit for channel 6's rmt_ch6_rx_end_int_raw when rmt_ch6_rx_end_int_ena is set to 1.*/ 112 uint32_t ch6_err: 1; /*The interrupt state bit for channel 6's rmt_ch6_err_int_raw when rmt_ch6_err_int_ena is set to 1.*/ 113 uint32_t ch7_tx_end: 1; /*The interrupt state bit for channel 7's mt_ch7_tx_end_int_raw when mt_ch7_tx_end_int_ena is set to 1.*/ 114 uint32_t ch7_rx_end: 1; /*The interrupt state bit for channel 7's rmt_ch7_rx_end_int_raw when rmt_ch7_rx_end_int_ena is set to 1.*/ 115 uint32_t ch7_err: 1; /*The interrupt state bit for channel 7's rmt_ch7_err_int_raw when rmt_ch7_err_int_ena is set to 1.*/ 116 uint32_t ch0_tx_thr_event: 1; /*The interrupt state bit for channel 0's rmt_ch0_tx_thr_event_int_raw when mt_ch0_tx_thr_event_int_ena is set to 1.*/ 117 uint32_t ch1_tx_thr_event: 1; /*The interrupt state bit for channel 1's rmt_ch1_tx_thr_event_int_raw when mt_ch1_tx_thr_event_int_ena is set to 1.*/ 118 uint32_t ch2_tx_thr_event: 1; /*The interrupt state bit for channel 2's rmt_ch2_tx_thr_event_int_raw when mt_ch2_tx_thr_event_int_ena is set to 1.*/ 119 uint32_t ch3_tx_thr_event: 1; /*The interrupt state bit for channel 3's rmt_ch3_tx_thr_event_int_raw when mt_ch3_tx_thr_event_int_ena is set to 1.*/ 120 uint32_t ch4_tx_thr_event: 1; /*The interrupt state bit for channel 4's rmt_ch4_tx_thr_event_int_raw when mt_ch4_tx_thr_event_int_ena is set to 1.*/ 121 uint32_t ch5_tx_thr_event: 1; /*The interrupt state bit for channel 5's rmt_ch5_tx_thr_event_int_raw when mt_ch5_tx_thr_event_int_ena is set to 1.*/ 122 uint32_t ch6_tx_thr_event: 1; /*The interrupt state bit for channel 6's rmt_ch6_tx_thr_event_int_raw when mt_ch6_tx_thr_event_int_ena is set to 1.*/ 123 uint32_t ch7_tx_thr_event: 1; /*The interrupt state bit for channel 7's rmt_ch7_tx_thr_event_int_raw when mt_ch7_tx_thr_event_int_ena is set to 1.*/ 124 }; 125 uint32_t val; 126 } int_st; 127 volatile union { 128 struct { 129 uint32_t ch0_tx_end: 1; /*Set this bit to enable rmt_ch0_tx_end_int_st.*/ 130 uint32_t ch0_rx_end: 1; /*Set this bit to enable rmt_ch0_rx_end_int_st.*/ 131 uint32_t ch0_err: 1; /*Set this bit to enable rmt_ch0_err_int_st.*/ 132 uint32_t ch1_tx_end: 1; /*Set this bit to enable rmt_ch1_tx_end_int_st.*/ 133 uint32_t ch1_rx_end: 1; /*Set this bit to enable rmt_ch1_rx_end_int_st.*/ 134 uint32_t ch1_err: 1; /*Set this bit to enable rmt_ch1_err_int_st.*/ 135 uint32_t ch2_tx_end: 1; /*Set this bit to enable rmt_ch2_tx_end_int_st.*/ 136 uint32_t ch2_rx_end: 1; /*Set this bit to enable rmt_ch2_rx_end_int_st.*/ 137 uint32_t ch2_err: 1; /*Set this bit to enable rmt_ch2_err_int_st.*/ 138 uint32_t ch3_tx_end: 1; /*Set this bit to enable rmt_ch3_tx_end_int_st.*/ 139 uint32_t ch3_rx_end: 1; /*Set this bit to enable rmt_ch3_rx_end_int_st.*/ 140 uint32_t ch3_err: 1; /*Set this bit to enable rmt_ch3_err_int_st.*/ 141 uint32_t ch4_tx_end: 1; /*Set this bit to enable rmt_ch4_tx_end_int_st.*/ 142 uint32_t ch4_rx_end: 1; /*Set this bit to enable rmt_ch4_rx_end_int_st.*/ 143 uint32_t ch4_err: 1; /*Set this bit to enable rmt_ch4_err_int_st.*/ 144 uint32_t ch5_tx_end: 1; /*Set this bit to enable rmt_ch5_tx_end_int_st.*/ 145 uint32_t ch5_rx_end: 1; /*Set this bit to enable rmt_ch5_rx_end_int_st.*/ 146 uint32_t ch5_err: 1; /*Set this bit to enable rmt_ch5_err_int_st.*/ 147 uint32_t ch6_tx_end: 1; /*Set this bit to enable rmt_ch6_tx_end_int_st.*/ 148 uint32_t ch6_rx_end: 1; /*Set this bit to enable rmt_ch6_rx_end_int_st.*/ 149 uint32_t ch6_err: 1; /*Set this bit to enable rmt_ch6_err_int_st.*/ 150 uint32_t ch7_tx_end: 1; /*Set this bit to enable rmt_ch7_tx_end_int_st.*/ 151 uint32_t ch7_rx_end: 1; /*Set this bit to enable rmt_ch7_rx_end_int_st.*/ 152 uint32_t ch7_err: 1; /*Set this bit to enable rmt_ch7_err_int_st.*/ 153 uint32_t ch0_tx_thr_event: 1; /*Set this bit to enable rmt_ch0_tx_thr_event_int_st.*/ 154 uint32_t ch1_tx_thr_event: 1; /*Set this bit to enable rmt_ch1_tx_thr_event_int_st.*/ 155 uint32_t ch2_tx_thr_event: 1; /*Set this bit to enable rmt_ch2_tx_thr_event_int_st.*/ 156 uint32_t ch3_tx_thr_event: 1; /*Set this bit to enable rmt_ch3_tx_thr_event_int_st.*/ 157 uint32_t ch4_tx_thr_event: 1; /*Set this bit to enable rmt_ch4_tx_thr_event_int_st.*/ 158 uint32_t ch5_tx_thr_event: 1; /*Set this bit to enable rmt_ch5_tx_thr_event_int_st.*/ 159 uint32_t ch6_tx_thr_event: 1; /*Set this bit to enable rmt_ch6_tx_thr_event_int_st.*/ 160 uint32_t ch7_tx_thr_event: 1; /*Set this bit to enable rmt_ch7_tx_thr_event_int_st.*/ 161 }; 162 uint32_t val; 163 } int_ena; 164 volatile union { 165 struct { 166 uint32_t ch0_tx_end: 1; /*Set this bit to clear the rmt_ch0_rx_end_int_raw..*/ 167 uint32_t ch0_rx_end: 1; /*Set this bit to clear the rmt_ch0_tx_end_int_raw.*/ 168 uint32_t ch0_err: 1; /*Set this bit to clear the rmt_ch0_err_int_raw.*/ 169 uint32_t ch1_tx_end: 1; /*Set this bit to clear the rmt_ch1_rx_end_int_raw..*/ 170 uint32_t ch1_rx_end: 1; /*Set this bit to clear the rmt_ch1_tx_end_int_raw.*/ 171 uint32_t ch1_err: 1; /*Set this bit to clear the rmt_ch1_err_int_raw.*/ 172 uint32_t ch2_tx_end: 1; /*Set this bit to clear the rmt_ch2_rx_end_int_raw..*/ 173 uint32_t ch2_rx_end: 1; /*Set this bit to clear the rmt_ch2_tx_end_int_raw.*/ 174 uint32_t ch2_err: 1; /*Set this bit to clear the rmt_ch2_err_int_raw.*/ 175 uint32_t ch3_tx_end: 1; /*Set this bit to clear the rmt_ch3_rx_end_int_raw..*/ 176 uint32_t ch3_rx_end: 1; /*Set this bit to clear the rmt_ch3_tx_end_int_raw.*/ 177 uint32_t ch3_err: 1; /*Set this bit to clear the rmt_ch3_err_int_raw.*/ 178 uint32_t ch4_tx_end: 1; /*Set this bit to clear the rmt_ch4_rx_end_int_raw..*/ 179 uint32_t ch4_rx_end: 1; /*Set this bit to clear the rmt_ch4_tx_end_int_raw.*/ 180 uint32_t ch4_err: 1; /*Set this bit to clear the rmt_ch4_err_int_raw.*/ 181 uint32_t ch5_tx_end: 1; /*Set this bit to clear the rmt_ch5_rx_end_int_raw..*/ 182 uint32_t ch5_rx_end: 1; /*Set this bit to clear the rmt_ch5_tx_end_int_raw.*/ 183 uint32_t ch5_err: 1; /*Set this bit to clear the rmt_ch5_err_int_raw.*/ 184 uint32_t ch6_tx_end: 1; /*Set this bit to clear the rmt_ch6_rx_end_int_raw..*/ 185 uint32_t ch6_rx_end: 1; /*Set this bit to clear the rmt_ch6_tx_end_int_raw.*/ 186 uint32_t ch6_err: 1; /*Set this bit to clear the rmt_ch6_err_int_raw.*/ 187 uint32_t ch7_tx_end: 1; /*Set this bit to clear the rmt_ch7_rx_end_int_raw..*/ 188 uint32_t ch7_rx_end: 1; /*Set this bit to clear the rmt_ch7_tx_end_int_raw.*/ 189 uint32_t ch7_err: 1; /*Set this bit to clear the rmt_ch7_err_int_raw.*/ 190 uint32_t ch0_tx_thr_event: 1; /*Set this bit to clear the rmt_ch0_tx_thr_event_int_raw interrupt.*/ 191 uint32_t ch1_tx_thr_event: 1; /*Set this bit to clear the rmt_ch1_tx_thr_event_int_raw interrupt.*/ 192 uint32_t ch2_tx_thr_event: 1; /*Set this bit to clear the rmt_ch2_tx_thr_event_int_raw interrupt.*/ 193 uint32_t ch3_tx_thr_event: 1; /*Set this bit to clear the rmt_ch3_tx_thr_event_int_raw interrupt.*/ 194 uint32_t ch4_tx_thr_event: 1; /*Set this bit to clear the rmt_ch4_tx_thr_event_int_raw interrupt.*/ 195 uint32_t ch5_tx_thr_event: 1; /*Set this bit to clear the rmt_ch5_tx_thr_event_int_raw interrupt.*/ 196 uint32_t ch6_tx_thr_event: 1; /*Set this bit to clear the rmt_ch6_tx_thr_event_int_raw interrupt.*/ 197 uint32_t ch7_tx_thr_event: 1; /*Set this bit to clear the rmt_ch7_tx_thr_event_int_raw interrupt.*/ 198 }; 199 uint32_t val; 200 } int_clr; 201 volatile union { 202 struct { 203 uint32_t low: 16; /*This register is used to configure carrier wave's low level value for channel0-7.*/ 204 uint32_t high: 16; /*This register is used to configure carrier wave's high level value for channel0-7.*/ 205 }; 206 uint32_t val; 207 } carrier_duty_ch[8]; 208 volatile union { 209 struct { 210 uint32_t limit: 9; /*When channel0-7 sends more than reg_rmt_tx_lim_ch0 data then channel0-7 produce the relative interrupt.*/ 211 uint32_t reserved9: 23; 212 }; 213 uint32_t val; 214 } tx_lim_ch[8]; 215 volatile union { 216 struct { 217 uint32_t fifo_mask: 1; /*Set this bit to enable RMTMEM and disable apb fifo access (using fifo is discouraged, please see the note above at data_ch[] item)*/ 218 uint32_t mem_tx_wrap_en: 1; /*when data need to be send is more than channel's mem can store then set this bit to enable reuse of mem this bit is used together with reg_rmt_tx_lim_chn.*/ 219 uint32_t reserved2: 30; 220 }; 221 uint32_t val; 222 } apb_conf; 223 uint32_t reserved_f4; 224 uint32_t reserved_f8; 225 volatile uint32_t date; /*This is the version register.*/ 226 } rmt_dev_t; 227 228 extern rmt_dev_t RMT; 229 230 #ifdef __cplusplus 231 } 232 #endif 233
