118 lines
4.4 KiB
C
118 lines
4.4 KiB
C
/*
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* Copyright (C) 2019 Kai Ludwig, DG4KLU
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* Copyright (C) 2019-2025 Roger Clark, VK3KYY / G4KYF
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*
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* 4. Use of this source code or binary releases for commercial purposes is strictly forbidden. This includes, without limitation,
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* incorporation in a commercial product or incorporation into a product or project which allows commercial use.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
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* USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef _OPENGD77_I2S_H_
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#define _OPENGD77_I2S_H_
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#include "functions/sound.h"
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#if defined(PLATFORM_MD9600) || defined(PLATFORM_MDUV380) || defined(PLATFORM_MD380) || defined(PLATFORM_RT84_DM1701)
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#define NUM_I2S_BUFFERS 2
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#else
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#define NUM_I2S_BUFFERS SAI_XFER_QUEUE_SIZE // was 6, but SAI_XFER_QUEUE_SIZE == 4
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#endif
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#define WAV_BUFFER_SIZE 160
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extern uint16_t i2s_Tx_Buffer[NUM_I2S_BUFFERS][2][WAV_BUFFER_SIZE];
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extern uint16_t i2s_Rx_Buffer[NUM_I2S_BUFFERS][2][WAV_BUFFER_SIZE];
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#if defined(PLATFORM_GD77) || defined(PLATFORM_GD77S)
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// I2S to C6000 (I2S)
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// OUT/ON A16 - I2S FS to C6000
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// OUT/OFF A14 - I2S CK to C6000
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// OUT/ON A12 - I2S RX to C6000
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// IN A15 - I2S TX to C6000
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#define Port_I2S_FS_C6000 PORTA
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#define GPIO_I2S_FS_C6000 GPIOA
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#define Pin_I2S_FS_C6000 16
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#define Port_I2S_CK_C6000 PORTA
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#define GPIO_I2S_CK_C6000 GPIOA
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#define Pin_I2S_CK_C6000 14
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#define Port_I2S_RX_C6000 PORTA
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#define GPIO_I2S_RX_C6000 GPIOA
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#define Pin_I2S_RX_C6000 12
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#define Port_I2S_TX_C6000 PORTA
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#define GPIO_I2S_TX_C6000 GPIOA
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#define Pin_I2S_TX_C6000 15
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#elif defined(PLATFORM_DM1801) || defined(PLATFORM_DM1801A)
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// I2S to C6000 (I2S)
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// OUT/ON A16 - I2S FS to C6000
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// OUT/OFF A14 - I2S CK to C6000
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// OUT/ON A12 - I2S RX to C6000
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// IN A15 - I2S TX to C6000
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#define Port_I2S_FS_C6000 PORTA
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#define GPIO_I2S_FS_C6000 GPIOA
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#define Pin_I2S_FS_C6000 16
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#define Port_I2S_CK_C6000 PORTA
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#define GPIO_I2S_CK_C6000 GPIOA
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#define Pin_I2S_CK_C6000 14
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#define Port_I2S_RX_C6000 PORTA
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#define GPIO_I2S_RX_C6000 GPIOA
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#define Pin_I2S_RX_C6000 12
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#define Port_I2S_TX_C6000 PORTA
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#define GPIO_I2S_TX_C6000 GPIOA
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#define Pin_I2S_TX_C6000 15
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#elif defined(PLATFORM_RD5R)
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// I2S to C6000 (I2S)
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// OUT/ON A16 - I2S FS to C6000
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// OUT/OFF A14 - I2S CK to C6000
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// OUT/ON A12 - I2S RX to C6000
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// IN A15 - I2S TX to C6000
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#define Port_I2S_FS_C6000 PORTA
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#define GPIO_I2S_FS_C6000 GPIOA
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#define Pin_I2S_FS_C6000 16
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#define Port_I2S_CK_C6000 PORTA
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#define GPIO_I2S_CK_C6000 GPIOA
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#define Pin_I2S_CK_C6000 14
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#define Port_I2S_RX_C6000 PORTA
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#define GPIO_I2S_RX_C6000 GPIOA
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#define Pin_I2S_RX_C6000 12
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#define Port_I2S_TX_C6000 PORTA
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#define GPIO_I2S_TX_C6000 GPIOA
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#define Pin_I2S_TX_C6000 15
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#endif
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extern volatile bool g_TX_SAI_in_use;
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extern volatile bool isSending;
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extern volatile bool isReceiving;
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void init_I2S(void);
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void setup_I2S(void);
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void I2SReset(void);
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void I2STerminateTransfers(void);
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void I2SStartDMA(uint16_t *txbuff, uint16_t *rxbuff, size_t bufferLen);
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#endif /* _OPENGD77_I2S_H_ */
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