1 // Copyright 2019 Espressif Systems (Shanghai) PTE LTD 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 #pragma once 16 #include "soc/soc.h" 17 #include "soc/periph_defs.h" 18 #include "soc/i2s_struct.h" 19 #include "soc/i2s_reg.h" 20 #include "soc/soc_caps.h" 21 22 #ifdef __cplusplus 23 extern "C" { 24 #endif 25 26 /* 27 Stores a bunch of per-I2S-peripheral data. 28 */ 29 typedef struct { 30 const uint8_t o_bck_in_sig; 31 const uint8_t o_ws_in_sig; 32 const uint8_t o_bck_out_sig; 33 const uint8_t o_ws_out_sig; 34 const uint8_t o_data_out_sig; 35 const uint8_t i_bck_in_sig; 36 const uint8_t i_ws_in_sig; 37 const uint8_t i_bck_out_sig; 38 const uint8_t i_ws_out_sig; 39 const uint8_t i_data_in_sig; 40 const uint8_t irq; 41 const periph_module_t module; 42 } i2s_signal_conn_t; 43 44 extern const i2s_signal_conn_t i2s_periph_signal[SOC_I2S_NUM]; 45 46 #ifdef __cplusplus 47 } 48 #endif 49