diff options
Diffstat (limited to 'Demo/CORTEX_LM3S316_IAR/hw_include/i2c.h')
| -rw-r--r-- | Demo/CORTEX_LM3S316_IAR/hw_include/i2c.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/Demo/CORTEX_LM3S316_IAR/hw_include/i2c.h b/Demo/CORTEX_LM3S316_IAR/hw_include/i2c.h new file mode 100644 index 00000000..26bb1dd6 --- /dev/null +++ b/Demo/CORTEX_LM3S316_IAR/hw_include/i2c.h @@ -0,0 +1,137 @@ +//*****************************************************************************
+//
+// i2c.h - Prototypes for the I2C Driver.
+//
+// Copyright (c) 2005,2006 Luminary Micro, Inc. All rights reserved.
+//
+// Software License Agreement
+//
+// Luminary Micro, Inc. (LMI) is supplying this software for use solely and
+// exclusively on LMI's Stellaris Family of microcontroller products.
+//
+// The software is owned by LMI and/or its suppliers, and is protected under
+// applicable copyright laws. All rights are reserved. Any use in violation
+// of the foregoing restrictions may subject the user to criminal sanctions
+// under applicable laws, as well as to civil liability for the breach of the
+// terms and conditions of this license.
+//
+// THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
+// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
+// LMI SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL, OR
+// CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
+//
+// This is part of revision 635 of the Stellaris Driver Library.
+//
+//*****************************************************************************
+
+#ifndef __I2C_H__
+#define __I2C_H__
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+//*****************************************************************************
+//
+// Defines for the API.
+//
+//*****************************************************************************
+//*****************************************************************************
+//
+// Interrupt defines.
+//
+//*****************************************************************************
+#define I2C_INT_MASTER 0x00000001
+#define I2C_INT_SLAVE 0x00000002
+
+//*****************************************************************************
+//
+// I2C Master commands.
+//
+//*****************************************************************************
+#define I2C_MASTER_CMD_SINGLE_SEND \
+ (I2C_MASTER_CS_STOP | I2C_MASTER_CS_START | I2C_MASTER_CS_RUN)
+#define I2C_MASTER_CMD_SINGLE_RECEIVE \
+ (I2C_MASTER_CS_STOP | I2C_MASTER_CS_START | I2C_MASTER_CS_RUN)
+#define I2C_MASTER_CMD_BURST_SEND_START \
+ (I2C_MASTER_CS_START | I2C_MASTER_CS_RUN)
+#define I2C_MASTER_CMD_BURST_SEND_CONT \
+ (I2C_MASTER_CS_RUN)
+#define I2C_MASTER_CMD_BURST_SEND_FINISH \
+ (I2C_MASTER_CS_STOP | I2C_MASTER_CS_RUN)
+#define I2C_MASTER_CMD_BURST_SEND_ERROR_STOP \
+ (I2C_MASTER_CS_STOP)
+#define I2C_MASTER_CMD_BURST_RECEIVE_START \
+ (I2C_MASTER_CS_ACK | I2C_MASTER_CS_START | I2C_MASTER_CS_RUN)
+#define I2C_MASTER_CMD_BURST_RECEIVE_CONT \
+ (I2C_MASTER_CS_ACK | I2C_MASTER_CS_RUN)
+#define I2C_MASTER_CMD_BURST_RECEIVE_FINISH \
+ (I2C_MASTER_CS_STOP | I2C_MASTER_CS_RUN)
+#define I2C_MASTER_CMD_BURST_RECEIVE_ERROR_STOP \
+ (I2C_MASTER_CS_STOP | I2C_MASTER_CS_RUN)
+
+//*****************************************************************************
+//
+// I2C Master error status.
+//
+//*****************************************************************************
+#define I2C_MASTER_ERR_NONE 0
+#define I2C_MASTER_ERR_ADDR_ACK 0x00000004
+#define I2C_MASTER_ERR_DATA_ACK 0x00000008
+#define I2C_MASTER_ERR_ARB_LOST 0x00000010
+
+//*****************************************************************************
+//
+// I2C Slave action requests
+//
+//*****************************************************************************
+#define I2C_SLAVE_ACT_NONE 0
+#define I2C_SLAVE_ACT_RREQ 0x00000001 // Master has sent data
+#define I2C_SLAVE_ACT_TREQ 0x00000002 // Master has requested data
+
+//*****************************************************************************
+// Miscellaneous I2C driver definitions.
+//*****************************************************************************
+#define I2C_MASTER_MAX_RETRIES 1000 // Number of retries
+
+//*****************************************************************************
+//
+// Prototypes for the APIs.
+//
+//*****************************************************************************
+extern void I2CIntRegister(unsigned long ulBase, void(fnHandler)(void));
+extern void I2CIntUnregister(unsigned long ulBase);
+extern tBoolean I2CMasterBusBusy(unsigned long ulBase);
+extern tBoolean I2CMasterBusy(unsigned long ulBase);
+extern void I2CMasterControl(unsigned long ulBase, unsigned long ulCmd);
+extern unsigned long I2CMasterDataGet(unsigned long ulBase);
+extern void I2CMasterDataPut(unsigned long ulBase, unsigned char ucData);
+extern void I2CMasterDisable(unsigned long ulBase);
+extern void I2CMasterEnable(unsigned long ulBase);
+extern unsigned long I2CMasterErr(unsigned long ulBase);
+extern void I2CMasterInit(unsigned long ulBase, tBoolean bFast);
+extern void I2CMasterIntClear(unsigned long ulBase);
+extern void I2CMasterIntDisable(unsigned long ulBase);
+extern void I2CMasterIntEnable(unsigned long ulBase);
+extern tBoolean I2CMasterIntStatus(unsigned long ulBase, tBoolean bMasked);
+extern void I2CMasterSlaveAddrSet(unsigned long ulBase,
+ unsigned char ucSlaveAddr,
+ tBoolean bReceive);
+extern unsigned long I2CSlaveDataGet(unsigned long ulBase);
+extern void I2CSlaveDataPut(unsigned long ulBase, unsigned char ucData);
+extern void I2CSlaveDisable(unsigned long ulBase);
+extern void I2CSlaveEnable(unsigned long ulBase);
+extern void I2CSlaveInit(unsigned long ulBase, unsigned char ucSlaveAddr);
+extern void I2CSlaveIntClear(unsigned long ulBase);
+extern void I2CSlaveIntDisable(unsigned long ulBase);
+extern void I2CSlaveIntEnable(unsigned long ulBase);
+extern tBoolean I2CSlaveIntStatus(unsigned long ulBase, tBoolean bMasked);
+extern unsigned long I2CSlaveStatus(unsigned long ulBase);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // __I2C_H__
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