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81 lines
3.9 KiB
C
81 lines
3.9 KiB
C
/**
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* \file
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*
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* \brief Instance description for I2S
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*
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* Copyright (c) 2018 Microchip Technology Inc.
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*
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* \asf_license_start
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*
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* \page License
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the Licence at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* \asf_license_stop
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*
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*/
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#ifndef _SAMD21_I2S_INSTANCE_
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#define _SAMD21_I2S_INSTANCE_
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/* ========== Register definition for I2S peripheral ========== */
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#if (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__))
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#define REG_I2S_CTRLA (0x42005000) /**< \brief (I2S) Control A */
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#define REG_I2S_CLKCTRL0 (0x42005004) /**< \brief (I2S) Clock Unit 0 Control */
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#define REG_I2S_CLKCTRL1 (0x42005008) /**< \brief (I2S) Clock Unit 1 Control */
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#define REG_I2S_INTENCLR (0x4200500C) /**< \brief (I2S) Interrupt Enable Clear */
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#define REG_I2S_INTENSET (0x42005010) /**< \brief (I2S) Interrupt Enable Set */
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#define REG_I2S_INTFLAG (0x42005014) /**< \brief (I2S) Interrupt Flag Status and Clear */
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#define REG_I2S_SYNCBUSY (0x42005018) /**< \brief (I2S) Synchronization Status */
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#define REG_I2S_SERCTRL0 (0x42005020) /**< \brief (I2S) Serializer 0 Control */
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#define REG_I2S_SERCTRL1 (0x42005024) /**< \brief (I2S) Serializer 1 Control */
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#define REG_I2S_DATA0 (0x42005030) /**< \brief (I2S) Data 0 */
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#define REG_I2S_DATA1 (0x42005034) /**< \brief (I2S) Data 1 */
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#else
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#define REG_I2S_CTRLA (*(RwReg8 *)0x42005000UL) /**< \brief (I2S) Control A */
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#define REG_I2S_CLKCTRL0 (*(RwReg *)0x42005004UL) /**< \brief (I2S) Clock Unit 0 Control */
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#define REG_I2S_CLKCTRL1 (*(RwReg *)0x42005008UL) /**< \brief (I2S) Clock Unit 1 Control */
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#define REG_I2S_INTENCLR (*(RwReg16*)0x4200500CUL) /**< \brief (I2S) Interrupt Enable Clear */
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#define REG_I2S_INTENSET (*(RwReg16*)0x42005010UL) /**< \brief (I2S) Interrupt Enable Set */
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#define REG_I2S_INTFLAG (*(RwReg16*)0x42005014UL) /**< \brief (I2S) Interrupt Flag Status and Clear */
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#define REG_I2S_SYNCBUSY (*(RoReg16*)0x42005018UL) /**< \brief (I2S) Synchronization Status */
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#define REG_I2S_SERCTRL0 (*(RwReg *)0x42005020UL) /**< \brief (I2S) Serializer 0 Control */
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#define REG_I2S_SERCTRL1 (*(RwReg *)0x42005024UL) /**< \brief (I2S) Serializer 1 Control */
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#define REG_I2S_DATA0 (*(RwReg *)0x42005030UL) /**< \brief (I2S) Data 0 */
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#define REG_I2S_DATA1 (*(RwReg *)0x42005034UL) /**< \brief (I2S) Data 1 */
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#endif /* (defined(__ASSEMBLY__) || defined(__IAR_SYSTEMS_ASM__)) */
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/* ========== Instance parameters for I2S peripheral ========== */
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#define I2S_CLK_NUM 2 // Number of clock units
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#define I2S_DMAC_ID_RX_0 41
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#define I2S_DMAC_ID_RX_1 42
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#define I2S_DMAC_ID_RX_LSB 41
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#define I2S_DMAC_ID_RX_MSB 42
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#define I2S_DMAC_ID_RX_SIZE 2
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#define I2S_DMAC_ID_TX_0 43
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#define I2S_DMAC_ID_TX_1 44
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#define I2S_DMAC_ID_TX_LSB 43
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#define I2S_DMAC_ID_TX_MSB 44
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#define I2S_DMAC_ID_TX_SIZE 2
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#define I2S_GCLK_ID_0 35
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#define I2S_GCLK_ID_1 36
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#define I2S_GCLK_ID_LSB 35
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#define I2S_GCLK_ID_MSB 36
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#define I2S_GCLK_ID_SIZE 2
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#define I2S_MAX_SLOTS 8 // Max number of data slots in frame
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#define I2S_SER_NUM 2 // Number of serializers
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#endif /* _SAMD21_I2S_INSTANCE_ */
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