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Diffstat (limited to 'libopencm3/include/libopencm3/lpc43xx/i2s.h')
| -rw-r--r-- | libopencm3/include/libopencm3/lpc43xx/i2s.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/libopencm3/include/libopencm3/lpc43xx/i2s.h b/libopencm3/include/libopencm3/lpc43xx/i2s.h new file mode 100644 index 0000000..63f7afb --- /dev/null +++ b/libopencm3/include/libopencm3/lpc43xx/i2s.h @@ -0,0 +1,122 @@ +/** @defgroup i2s_defines I2S Defines + +@brief <b>Defined Constants and Types for the LPC43xx I2S</b> + +@ingroup LPC43xx_defines + +@version 1.0.0 + +@author @htmlonly © @endhtmlonly 2012 Michael Ossmann <mike@ossmann.com> + +@date 10 March 2013 + +LGPL License Terms @ref lgpl_license + */ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2012 Michael Ossmann <mike@ossmann.com> + * + * This library is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef LPC43XX_I2S_H +#define LPC43XX_I2S_H + +/**@{*/ + +#include <libopencm3/cm3/common.h> +#include <libopencm3/lpc43xx/memorymap.h> + +/* --- Convenience macros -------------------------------------------------- */ + +/* I2S port base addresses (for convenience) */ +#define I2S0 I2S0_BASE +#define I2S1 I2S1_BASE + +/* --- I2S registers ------------------------------------------------------- */ + +/* I2S Digital Audio Output Register */ +#define I2S_DAO(port) MMIO32(port + 0x000) +#define I2S0_DAO I2S_DAO(I2S0) +#define I2S1_DAO I2S_DAO(I2S1) + +/* I2S Digital Audio Input Register */ +#define I2S_DAI(port) MMIO32(port + 0x004) +#define I2S0_DAI I2S_DAI(I2S0) +#define I2S1_DAI I2S_DAI(I2S1) + +/* I2S Transmit FIFO */ +#define I2S_TXFIFO(port) MMIO32(port + 0x008) +#define I2S0_TXFIFO I2S_TXFIFO(I2S0) +#define I2S1_TXFIFO I2S_TXFIFO(I2S1) + +/* I2S Receive FIFO */ +#define I2S_RXFIFO(port) MMIO32(port + 0x00C) +#define I2S0_RXFIFO I2S_RXFIFO(I2S0) +#define I2S1_RXFIFO I2S_RXFIFO(I2S1) + +/* I2S Status Feedback Register */ +#define I2S_STATE(port) MMIO32(port + 0x010) +#define I2S0_STATE I2S_STATE(I2S0) +#define I2S1_STATE I2S_STATE(I2S1) + +/* I2S DMA Configuration Register 1 */ +#define I2S_DMA1(port) MMIO32(port + 0x014) +#define I2S0_DMA1 I2S_DMA1(I2S0) +#define I2S1_DMA1 I2S_DMA1(I2S1) + +/* I2S DMA Configuration Register 2 */ +#define I2S_DMA2(port) MMIO32(port + 0x018) +#define I2S0_DMA2 I2S_DMA2(I2S0) +#define I2S1_DMA2 I2S_DMA2(I2S1) + +/* I2S Interrupt Request Control Register */ +#define I2S_IRQ(port) MMIO32(port + 0x01C) +#define I2S0_IRQ I2S_IRQ(I2S0) +#define I2S1_IRQ I2S_IRQ(I2S1) + +/* I2S Transmit MCLK divider */ +#define I2S_TXRATE(port) MMIO32(port + 0x020) +#define I2S0_TXRATE I2S_TXRATE(I2S0) +#define I2S1_TXRATE I2S_TXRATE(I2S1) + +/* I2S Receive MCLK divider */ +#define I2S_RXRATE(port) MMIO32(port + 0x024) +#define I2S0_RXRATE I2S_RXRATE(I2S0) +#define I2S1_RXRATE I2S_RXRATE(I2S1) + +/* I2S Transmit bit rate divider */ +#define I2S_TXBITRATE(port) MMIO32(port + 0x028) +#define I2S0_TXBITRATE I2S_TXBITRATE(I2S0) +#define I2S1_TXBITRATE I2S_TXBITRATE(I2S1) + +/* I2S Receive bit rate divider */ +#define I2S_RXBITRATE(port) MMIO32(port + 0x02C) +#define I2S0_RXBITRATE I2S_RXBITRATE(I2S0) +#define I2S1_RXBITRATE I2S_RXBITRATE(I2S1) + +/* I2S Transmit mode control */ +#define I2S_TXMODE(port) MMIO32(port + 0x030) +#define I2S0_TXMODE I2S_TXMODE(I2S0) +#define I2S1_TXMODE I2S_TXMODE(I2S1) + +/* I2S Receive mode control */ +#define I2S_RXMODE(port) MMIO32(port + 0x034) +#define I2S0_RXMODE I2S_RXMODE(I2S0) +#define I2S1_RXMODE I2S_RXMODE(I2S1) + +/**@}*/ + +#endif |