summaryrefslogtreecommitdiff
path: root/nuttx/arch/arm/src/lpc17xx/chip/lpc17_i2c.h
diff options
context:
space:
mode:
authorpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2013-01-18 19:16:44 +0000
committerpatacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3>2013-01-18 19:16:44 +0000
commit8606eb53ff4105795a9feb7c42a677b8b26042ef (patch)
treee746a348a0a71399c9811f6645e7e4716ac45aee /nuttx/arch/arm/src/lpc17xx/chip/lpc17_i2c.h
parent5eb6c1464f2e3dbaff32b53bed81990932ae4ef8 (diff)
downloadpx4-nuttx-8606eb53ff4105795a9feb7c42a677b8b26042ef.tar.gz
px4-nuttx-8606eb53ff4105795a9feb7c42a677b8b26042ef.tar.bz2
px4-nuttx-8606eb53ff4105795a9feb7c42a677b8b26042ef.zip
Refactor all lpc17xx header files (more like STM32 header file structure now)
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5534 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/lpc17xx/chip/lpc17_i2c.h')
-rw-r--r--nuttx/arch/arm/src/lpc17xx/chip/lpc17_i2c.h208
1 files changed, 208 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/lpc17xx/chip/lpc17_i2c.h b/nuttx/arch/arm/src/lpc17xx/chip/lpc17_i2c.h
new file mode 100644
index 000000000..96b6f19b1
--- /dev/null
+++ b/nuttx/arch/arm/src/lpc17xx/chip/lpc17_i2c.h
@@ -0,0 +1,208 @@
+/************************************************************************************
+ * arch/arm/src/lpc17xx/chip/lpc17_i2c.h
+ *
+ * Copyright (C) 2010, 2013 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ * used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ************************************************************************************/
+
+#ifndef __ARCH_ARM_SRC_LPC17XX_CHIP_LPC17_I2C_H
+#define __ARCH_ARM_SRC_LPC17XX_CHIP_LPC17_I2C_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+#include "chip.h"
+#include "chip/lpc17_memorymap.h"
+
+/************************************************************************************
+ * Pre-processor Definitions
+ ************************************************************************************/
+
+/* Register offsets *****************************************************************/
+
+#define LPC17_I2C_CONSET_OFFSET 0x0000 /* I2C Control Set Register */
+#define LPC17_I2C_STAT_OFFSET 0x0004 /* I2C Status Register */
+#define LPC17_I2C_DAT_OFFSET 0x0008 /* I2C Data Register */
+#define LPC17_I2C_ADR0_OFFSET 0x000c /* I2C Slave Address Register 0 */
+#define LPC17_I2C_SCLH_OFFSET 0x0010 /* SCH Duty Cycle Register High Half Word */
+#define LPC17_I2C_SCLL_OFFSET 0x0014 /* SCL Duty Cycle Register Low Half Word */
+#define LPC17_I2C_CONCLR_OFFSET 0x0018 /* I2C Control Clear Register */
+#define LPC17_I2C_MMCTRL_OFFSET 0x001c /* Monitor mode control register */
+#define LPC17_I2C_ADR1_OFFSET 0x0020 /* I2C Slave Address Register 1 */
+#define LPC17_I2C_ADR2_OFFSET 0x0024 /* I2C Slave Address Register 2 */
+#define LPC17_I2C_ADR3_OFFSET 0x0028 /* I2C Slave Address Register 3 */
+#define LPC17_I2C_BUFR_OFFSET 0x002c /* Data buffer register */
+#define LPC17_I2C_MASK0_OFFSET 0x0030 /* I2C Slave address mask register 0 */
+#define LPC17_I2C_MASK1_OFFSET 0x0034 /* I2C Slave address mask register 1 */
+#define LPC17_I2C_MASK2_OFFSET 0x0038 /* I2C Slave address mask register 2 */
+#define LPC17_I2C_MASK3_OFFSET 0x003c /* I2C Slave address mask register */
+
+/* Register addresses ***************************************************************/
+
+#define LPC17_I2C0_CONSET (LPC17_I2C0_BASE+LPC17_I2C_CONSET_OFFSET)
+#define LPC17_I2C0_STAT (LPC17_I2C0_BASE+LPC17_I2C_STAT_OFFSET)
+#define LPC17_I2C0_DAT (LPC17_I2C0_BASE+LPC17_I2C_DAT_OFFSET)
+#define LPC17_I2C0_ADR0 (LPC17_I2C0_BASE+LPC17_I2C_ADR0_OFFSET)
+#define LPC17_I2C0_SCLH (LPC17_I2C0_BASE+LPC17_I2C_SCLH_OFFSET)
+#define LPC17_I2C0_SCLL (LPC17_I2C0_BASE+LPC17_I2C_SCLL_OFFSET)
+#define LPC17_I2C0_CONCLR (LPC17_I2C0_BASE+LPC17_I2C_CONCLR_OFFSET)
+#define LPC17_I2C0_MMCTRL (LPC17_I2C0_BASE+LPC17_I2C_MMCTRL_OFFSET)
+#define LPC17_I2C0_ADR1 (LPC17_I2C0_BASE+LPC17_I2C_ADR1_OFFSET)
+#define LPC17_I2C0_ADR2 (LPC17_I2C0_BASE+LPC17_I2C_ADR2_OFFSET)
+#define LPC17_I2C0_ADR3 (LPC17_I2C0_BASE+LPC17_I2C_ADR3_OFFSET)
+#define LPC17_I2C0_BUFR (LPC17_I2C0_BASE+LPC17_I2C_BUFR_OFFSET)
+#define LPC17_I2C0_MASK0 (LPC17_I2C0_BASE+LPC17_I2C_MASK0_OFFSET)
+#define LPC17_I2C0_MASK1 (LPC17_I2C0_BASE+LPC17_I2C_MASK1_OFFSET)
+#define LPC17_I2C0_MASK2 (LPC17_I2C0_BASE+LPC17_I2C_MASK2_OFFSET)
+#define LPC17_I2C0_MASK3 (LPC17_I2C0_BASE+LPC17_I2C_MASK3_OFFSET)
+
+#define LPC17_I2C1_CONSET (LPC17_I2C1_BASE+LPC17_I2C_CONSET_OFFSET)
+#define LPC17_I2C1_STAT (LPC17_I2C1_BASE+LPC17_I2C_STAT_OFFSET)
+#define LPC17_I2C1_DAT (LPC17_I2C1_BASE+LPC17_I2C_DAT_OFFSET)
+#define LPC17_I2C1_ADR0 (LPC17_I2C1_BASE+LPC17_I2C_ADR0_OFFSET)
+#define LPC17_I2C1_SCLH (LPC17_I2C1_BASE+LPC17_I2C_SCLH_OFFSET)
+#define LPC17_I2C1_SCLL (LPC17_I2C1_BASE+LPC17_I2C_SCLL_OFFSET)
+#define LPC17_I2C1_CONCLR (LPC17_I2C1_BASE+LPC17_I2C_CONCLR_OFFSET)
+#define LPC17_I2C1_MMCTRL (LPC17_I2C1_BASE+LPC17_I2C_MMCTRL_OFFSET)
+#define LPC17_I2C1_ADR1 (LPC17_I2C1_BASE+LPC17_I2C_ADR1_OFFSET)
+#define LPC17_I2C1_ADR2 (LPC17_I2C1_BASE+LPC17_I2C_ADR2_OFFSET)
+#define LPC17_I2C1_ADR3 (LPC17_I2C1_BASE+LPC17_I2C_ADR3_OFFSET)
+#define LPC17_I2C1_BUFR (LPC17_I2C1_BASE+LPC17_I2C_BUFR_OFFSET)
+#define LPC17_I2C1_MASK0 (LPC17_I2C1_BASE+LPC17_I2C_MASK0_OFFSET)
+#define LPC17_I2C1_MASK1 (LPC17_I2C1_BASE+LPC17_I2C_MASK1_OFFSET)
+#define LPC17_I2C1_MASK2 (LPC17_I2C1_BASE+LPC17_I2C_MASK2_OFFSET)
+#define LPC17_I2C1_MASK3 (LPC17_I2C1_BASE+LPC17_I2C_MASK3_OFFSET)
+
+#define LPC17_I2C2_CONSET (LPC17_I2C2_BASE+LPC17_I2C_CONSET_OFFSET)
+#define LPC17_I2C2_STAT (LPC17_I2C2_BASE+LPC17_I2C_STAT_OFFSET)
+#define LPC17_I2C2_DAT (LPC17_I2C2_BASE+LPC17_I2C_DAT_OFFSET)
+#define LPC17_I2C2_ADR0 (LPC17_I2C2_BASE+LPC17_I2C_ADR0_OFFSET)
+#define LPC17_I2C2_SCLH (LPC17_I2C2_BASE+LPC17_I2C_SCLH_OFFSET)
+#define LPC17_I2C2_SCLL (LPC17_I2C2_BASE+LPC17_I2C_SCLL_OFFSET)
+#define LPC17_I2C2_CONCLR (LPC17_I2C2_BASE+LPC17_I2C_CONCLR_OFFSET)
+#define LPC17_I2C2_MMCTRL (LPC17_I2C2_BASE+LPC17_I2C_MMCTRL_OFFSET)
+#define LPC17_I2C2_ADR1 (LPC17_I2C2_BASE+LPC17_I2C_ADR1_OFFSET)
+#define LPC17_I2C2_ADR2 (LPC17_I2C2_BASE+LPC17_I2C_ADR2_OFFSET)
+#define LPC17_I2C2_ADR3 (LPC17_I2C2_BASE+LPC17_I2C_ADR3_OFFSET)
+#define LPC17_I2C2_BUFR (LPC17_I2C2_BASE+LPC17_I2C_BUFR_OFFSET)
+#define LPC17_I2C2_MASK0 (LPC17_I2C2_BASE+LPC17_I2C_MASK0_OFFSET)
+#define LPC17_I2C2_MASK1 (LPC17_I2C2_BASE+LPC17_I2C_MASK1_OFFSET)
+#define LPC17_I2C2_MASK2 (LPC17_I2C2_BASE+LPC17_I2C_MASK2_OFFSET)
+#define LPC17_I2C2_MASK3 (LPC17_I2C2_BASE+LPC17_I2C_MASK3_OFFSET)
+
+/* Register bit definitions *********************************************************/
+/* I2C Control Set Register */
+ /* Bits 0-1: Reserved */
+#define I2C_CONSET_AA (1 << 2) /* Bit 2: Assert acknowledge flag */
+#define I2C_CONSET_SI (1 << 3) /* Bit 3: I2C interrupt flag */
+#define I2C_CONSET_STO (1 << 4) /* Bit 4: STOP flag */
+#define I2C_CONSET_STA (1 << 5) /* Bit 5: START flag */
+#define I2C_CONSET_I2EN (1 << 6) /* Bit 6: I2C interface enable */
+ /* Bits 7-31: Reserved */
+/* I2C Control Clear Register */
+ /* Bits 0-1: Reserved */
+#define I2C_CONCLR_AAC (1 << 2) /* Bit 2: Assert acknowledge Clear bit */
+#define I2C_CONCLR_SIC (1 << 3) /* Bit 3: I2C interrupt Clear bit */
+ /* Bit 4: Reserved */
+#define I2C_CONCLR_STAC (1 << 5) /* Bit 5: START flag Clear bit */
+#define I2C_CONCLRT_I2ENC (1 << 6) /* Bit 6: I2C interface Disable bit */
+ /* Bits 7-31: Reserved */
+/* I2C Status Register
+ *
+ * See tables 399-402 in the "LPC17xx User Manual" (UM10360), Rev. 01, 4 January
+ * 2010, NXP for definitions of status codes.
+ */
+
+#define I2C_STAT_MASK (0xff) /* Bits 0-7: I2C interface status
+ * Bits 0-1 always zero */
+ /* Bits 8-31: Reserved */
+/* I2C Data Register */
+
+#define I2C_DAT_MASK (0xff) /* Bits 0-7: I2C data */
+ /* Bits 8-31: Reserved */
+/* Monitor mode control register */
+
+#define I2C_MMCTRL_MMENA (1 << 0) /* Bit 0: Monitor mode enable */
+#define I2C_MMCTRL_ENASCL (1 << 1) /* Bit 1: SCL output enable */
+#define I2C_MMCTRL_MATCHALL (1 << 2) /* Bit 2: Select interrupt register match */
+ /* Bits 3-31: Reserved */
+/* Data buffer register */
+
+#define I2C_BUFR_MASK (0xff) /* Bits 0-7: 8 MSBs of the I2DAT shift register */
+ /* Bits 8-31: Reserved */
+/* I2C Slave address registers:
+ *
+ * I2C Slave Address Register 0
+ * I2C Slave Address Register 1
+ * I2C Slave Address Register 2
+ * I2C Slave Address Register 3
+ */
+
+#define I2C_ADR_GC (1 << 0) /* Bit 0: GC General Call enable bit */
+#define I2C_ADR_ADDR_SHIFT (1) /* Bits 1-7: I2C slave address */
+#define I2C_ADR_ADDR_MASK (0x7f << I2C_ADR_ADDR_SHIFT)
+ /* Bits 8-31: Reserved */
+/* I2C Slave address mask registers:
+ *
+ * I2C Slave address mask register 0
+ * I2C Slave address mask register 1
+ * I2C Slave address mask register 2
+ * I2C Slave address mask register 3
+ */
+ /* Bit 0: Reserved */
+#define I2C_MASK_SHIFT (1) /* Bits 1-7: I2C mask bits */
+#define I2C_MASK_MASK (0x7f << I2C_ADR_ADDR_SHIFT)
+ /* Bits 8-31: Reserved */
+/* SCH Duty Cycle Register High Half Word */
+
+#define I2C_SCLH_MASK (0xffff) /* Bit 0-15: Count for SCL HIGH time period selection */
+ /* Bits 16-31: Reserved */
+/* SCL Duty Cycle Register Low Half Word */
+
+#define I2C_SCLL_MASK (0xffff) /* Bit 0-15: Count for SCL LOW time period selection */
+ /* Bits 16-31: Reserved */
+
+/************************************************************************************
+ * Public Types
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Data
+ ************************************************************************************/
+
+/************************************************************************************
+ * Public Functions
+ ************************************************************************************/
+
+#endif /* __ARCH_ARM_SRC_LPC17XX_CHIP_LPC17_I2C_H */