Remove dependency on the "bc" command line calculator tool in the bootloaders to...

[pub/lufa.git] / LUFA / Drivers / Peripheral / AVR8 / TWI_AVR8.h

diff --git a/LUFA/Drivers/Peripheral/AVR8/TWI_AVR8.h b/LUFA/Drivers/Peripheral/AVR8/TWI_AVR8.h
index cb219f3..d699ccb 100644 (file)
--- a/LUFA/Drivers/Peripheral/AVR8/TWI_AVR8.h
+++ b/LUFA/Drivers/Peripheral/AVR8/TWI_AVR8.h
@@ -7,7 +7,7 @@
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -18,7 +18,7 @@
   advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 
-  The author disclaim all warranties with regard to this
+  The author disclaims all warranties with regard to this
   software, including all implied warranties of merchantability
   and fitness.  In no event shall the author be liable for any
   special, indirect or consequential damages or any damages
@@ -54,35 +54,35 @@
  *  \code
  *      // Initialize the TWI driver before first use at 200KHz
  *      TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 200000));
- *
+ *      
  *      // Start a write session to device at device address 0xA0, internal address 0xDC with a 10ms timeout
  *      if (TWI_StartTransmission(0xA0 | TWI_ADDRESS_WRITE, 10) == TWI_ERROR_NoError)
  *      {
  *          TWI_SendByte(0xDC);
- *
+ *          
  *          TWI_SendByte(0x01);
  *          TWI_SendByte(0x02);
  *          TWI_SendByte(0x03);
- *
+ *          
  *          // Must stop transmission afterwards to release the bus
  *          TWI_StopTransmission();
  *      }
- *
+ *      
  *      // Start a read session to device at address 0xA0, internal address 0xDC with a 10ms timeout
  *      if (TWI_StartTransmission(0xA0 | TWI_ADDRESS_WRITE, 10) == TWI_ERROR_NoError)
  *      {
  *          TWI_SendByte(0xDC);
  *          TWI_StopTransmission();
- *
+ *          
  *          if (TWI_StartTransmission(0xA0 | TWI_ADDRESS_READ, 10) == TWI_ERROR_NoError)
  *          {
  *              uint8_t Byte1, Byte2, Byte3;
- *
+ *              
  *              // Read three bytes, acknowledge after the third byte is received
  *              TWI_ReceiveByte(&Byte1, false);
  *              TWI_ReceiveByte(&Byte2, false);
  *              TWI_ReceiveByte(&Byte3, true);
- *
+ *              
  *              // Must stop transmission afterwards to release the bus
  *              TWI_StopTransmission();
  *          }
@@ -93,18 +93,18 @@
  *  \code
  *      // Initialize the TWI driver before first use at 200KHz
  *      TWI_Init(TWI_BIT_PRESCALE_1, TWI_BITLENGTH_FROM_FREQ(1, 200000));
- *
+ *      
  *      // Start a write session to device at device address 0xA0, internal address 0xDC with a 10ms timeout
  *      uint8_t InternalWriteAddress = 0xDC;
  *      uint8_t WritePacket[3] = {0x01, 0x02, 0x03};
- *
+ *      
  *      TWI_WritePacket(0xA0, 10, &InternalWriteAddress, sizeof(InternalWriteAddress),
  *                      &WritePacket, sizeof(WritePacket);
- *
+ *      
  *      // Start a read session to device at address 0xA0, internal address 0xDC with a 10ms timeout
  *      uint8_t InternalReadAddress = 0xDC;
  *      uint8_t ReadPacket[3];
- *
+ *      
  *      TWI_ReadPacket(0xA0, 10, &InternalReadAddress, sizeof(InternalReadAddress),
  *                     &ReadPacket, sizeof(ReadPacket);
  *  \endcode
@@ -196,8 +196,8 @@
                         *
                         *  The generated SCL frequency will be according to the formula <pre>F_CPU / (16 + 2 * BitLength + 4 ^ Prescale)</pre>.
                         *
-                        *  \note The value of the \c BitLength parameter should not be set below 10 or invalid bus conditions may
-                        *        occur, as indicated in the AVR8 microcontroller datasheet.
+                        *  \attention The value of the \c BitLength parameter should not be set below 10 or invalid bus conditions may
+                        *             occur, as indicated in the AVR8 microcontroller datasheet.
                         *
                         *  \param[in] Prescale   Prescaler to use when determining the bus frequency, a \c TWI_BIT_PRESCALE_* value.
                         *  \param[in] BitLength  Length of the bits sent on the bus.
@@ -254,8 +254,6 @@
                         */
                        bool TWI_ReceiveByte(uint8_t* const Byte,
                                             const bool LastByte) ATTR_NON_NULL_PTR_ARG(1);
-                       bool TWI_ReceiveByte(uint8_t* const Byte,
-                                            const bool LastByte);
 
                        /** High level function to perform a complete packet transfer over the TWI bus to the specified
                         *  device.