From 328cf2a2b778000a8064ce5b6749c5f4e10185d0 Mon Sep 17 00:00:00 2001 From: Michael Ossmann Date: Tue, 29 May 2012 11:52:08 -0600 Subject: [PATCH] I2C register definitions --- include/libopencm3/lpc43xx/i2c.h | 115 +++++++++++++++++++++++++++++++ 1 file changed, 115 insertions(+) create mode 100644 include/libopencm3/lpc43xx/i2c.h diff --git a/include/libopencm3/lpc43xx/i2c.h b/include/libopencm3/lpc43xx/i2c.h new file mode 100644 index 00000000..1fe7655c --- /dev/null +++ b/include/libopencm3/lpc43xx/i2c.h @@ -0,0 +1,115 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2012 Michael Ossmann + * + * 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 . + */ + +#ifndef LPC43XX_I2C_H +#define LPC43XX_I2C_H + +#include +#include + +/* --- Convenience macros -------------------------------------------------- */ + +/* I2C port base addresses (for convenience) */ +#define I2C0 I2C0_BASE +#define I2C1 I2C1_BASE + + +/* --- I2C registers ------------------------------------------------------- */ + +/* I2C Control Set Register */ +#define I2C_CONSET(port) MMIO32(port + 0x000) +#define I2C0_CONSET I2C_CONSET(I2C0) +#define I2C1_CONSET I2C_CONSET(I2C1) + +/* I2C Status Register */ +#define I2C_STAT(port) MMIO32(port + 0x004) +#define I2C0_STAT I2C_STAT(I2C0) +#define I2C1_STAT I2C_STAT(I2C1) + +/* I2C Data Register */ +#define I2C_DAT(port) MMIO32(port + 0x008) +#define I2C0_DAT I2C_DAT(I2C0) +#define I2C1_DAT I2C_DAT(I2C1) + +/* I2C Slave Address Register 0 */ +#define I2C_ADR0(port) MMIO32(port + 0x00C) +#define I2C0_ADR0 I2C_ADR0(I2C0) +#define I2C1_ADR0 I2C_ADR0(I2C1) + +/* SCH Duty Cycle Register High Half Word */ +#define I2C_SCLH(port) MMIO32(port + 0x010) +#define I2C0_SCLH I2C_SCLH(I2C0) +#define I2C1_SCLH I2C_SCLH(I2C1) + +/* SCL Duty Cycle Register Low Half Word */ +#define I2C_SCLL(port) MMIO32(port + 0x014) +#define I2C0_SCLL I2C_SCLL(I2C0) +#define I2C1_SCLL I2C_SCLL(I2C1) + +/* I2C Control Clear Register */ +#define I2C_CONCLR(port) MMIO32(port + 0x018) +#define I2C0_CONCLR I2C_CONCLR(I2C0) +#define I2C1_CONCLR I2C_CONCLR(I2C1) + +/* Monitor mode control register */ +#define I2C_MMCTRL(port) MMIO32(port + 0x01C) +#define I2C0_MMCTRL I2C_MMCTRL(I2C0) +#define I2C1_MMCTRL I2C_MMCTRL(I2C1) + +/* I2C Slave Address Register 1 */ +#define I2C_ADR1(port) MMIO32(port + 0x020) +#define I2C0_ADR1 I2C_ADR1(I2C0) +#define I2C1_ADR1 I2C_ADR1(I2C1) + +/* I2C Slave Address Register 2 */ +#define I2C_ADR2(port) MMIO32(port + 0x024) +#define I2C0_ADR2 I2C_ADR2(I2C0) +#define I2C1_ADR2 I2C_ADR2(I2C1) + +/* I2C Slave Address Register 3 */ +#define I2C_ADR3(port) MMIO32(port + 0x028) +#define I2C0_ADR3 I2C_ADR3(I2C0) +#define I2C1_ADR3 I2C_ADR3(I2C1) + +/* Data buffer register */ +#define I2C_DATA_BUFFER(port) MMIO32(port + 0x02C) +#define I2C0_DATA_BUFFER I2C_DATA_BUFFER(I2C0) +#define I2C1_DATA_BUFFER I2C_DATA_BUFFER(I2C1) + +/* I2C Slave address mask register 0 */ +#define I2C_MASK0(port) MMIO32(port + 0x030) +#define I2C0_MASK0 I2C_MASK0(I2C0) +#define I2C1_MASK0 I2C_MASK0(I2C1) + +/* I2C Slave address mask register 1 */ +#define I2C_MASK1(port) MMIO32(port + 0x034) +#define I2C0_MASK1 I2C_MASK1(I2C0) +#define I2C1_MASK1 I2C_MASK1(I2C1) + +/* I2C Slave address mask register 2 */ +#define I2C_MASK2(port) MMIO32(port + 0x038) +#define I2C0_MASK2 I2C_MASK2(I2C0) +#define I2C1_MASK2 I2C_MASK2(I2C1) + +/* I2C Slave address mask register 3 */ +#define I2C_MASK3(port) MMIO32(port + 0x03C) +#define I2C0_MASK3 I2C_MASK3(I2C0) +#define I2C1_MASK3 I2C_MASK3(I2C1) + +#endif