1 // Copyright 2020 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 #include "soc/i2s_periph.h" 16 #include "soc/gpio_sig_map.h" 17 18 /* 19 Bunch of constants for every I2S peripheral: GPIO signals, irqs, hw addr of registers etc 20 */ 21 const i2s_signal_conn_t i2s_periph_signal[SOC_I2S_NUM] = { 22 { 23 .mck_out_sig = CLK_I2S_MUX_IDX, 24 25 .m_tx_bck_sig = I2S0O_BCK_OUT_IDX, 26 .m_rx_bck_sig = I2S0I_BCK_OUT_IDX, 27 .m_tx_ws_sig = I2S0O_WS_OUT_IDX, 28 .m_rx_ws_sig = I2S0I_WS_OUT_IDX, 29 30 .s_tx_bck_sig = I2S0O_BCK_IN_IDX, 31 .s_rx_bck_sig = I2S0I_BCK_IN_IDX, 32 .s_tx_ws_sig = I2S0O_WS_IN_IDX, 33 .s_rx_ws_sig = I2S0I_WS_IN_IDX, 34 35 .data_out_sig = I2S0O_DATA_OUT23_IDX, 36 .data_in_sig = I2S0I_DATA_IN15_IDX, 37 38 .irq = ETS_I2S0_INTR_SOURCE, 39 .module = PERIPH_I2S0_MODULE, 40 } 41 }; 42