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-rw-r--r--LUFA/Drivers/Peripheral/ADC.h3
-rw-r--r--LUFA/Drivers/Peripheral/AVRU4U6U7/ADC.h18
-rw-r--r--LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h42
-rw-r--r--LUFA/Drivers/Peripheral/SPI.h20
-rw-r--r--LUFA/Drivers/Peripheral/Serial.h12
-rw-r--r--LUFA/Drivers/Peripheral/SerialStream.h30
-rw-r--r--LUFA/Drivers/Peripheral/TWI.h3
7 files changed, 123 insertions, 5 deletions
diff --git a/LUFA/Drivers/Peripheral/ADC.h b/LUFA/Drivers/Peripheral/ADC.h
index b0c6f3731..0fba2d10e 100644
--- a/LUFA/Drivers/Peripheral/ADC.h
+++ b/LUFA/Drivers/Peripheral/ADC.h
@@ -48,6 +48,9 @@
* Hardware ADC driver. This module provides an easy to use driver for the hardware
* ADC present on many AVR models, for the conversion of analogue signals into the
* digital domain.
+ *
+ * \note The exact API for this driver may vary depending on the target used - see
+ * individual target module documentation for the API specific to your target processor.
*/
#ifndef __ADC_H__
diff --git a/LUFA/Drivers/Peripheral/AVRU4U6U7/ADC.h b/LUFA/Drivers/Peripheral/AVRU4U6U7/ADC.h
index 4790668cd..3e736864c 100644
--- a/LUFA/Drivers/Peripheral/AVRU4U6U7/ADC.h
+++ b/LUFA/Drivers/Peripheral/AVRU4U6U7/ADC.h
@@ -47,6 +47,24 @@
* \note This file should not be included directly. It is automatically included as needed by the ADC driver
* dispatch header located in LUFA/Drivers/Peripheral/ADC.h.
*
+ * <b>Example Usage:</b>
+ * \code
+ * // Initialise the ADC driver before first use
+ * ADC_Init(ADC_FREE_RUNNING | ADC_PRESCALE_32);
+ *
+ * // Must setup the ADC channel to read beforehand
+ * ADC_SetupChannel(1);
+ *
+ * // Perform a single conversion of the ADC channel 1
+ * ADC_GetChannelReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | ADC_CHANNEL1);
+ * printf("Conversion Result: %d\r\n", ADC_GetResult());
+ *
+ * // Start reading ADC channel 1 in free running (continuous conversion) mode
+ * ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | ADC_CHANNEL1);
+ * while (!(ADC_IsReadingComplete())) {};
+ * printf("Conversion Result: %d\r\n", ADC_GetResult());
+ * \endcode
+ *
* @{
*/
diff --git a/LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h b/LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h
index 67171b3f2..c6fb42009 100644
--- a/LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h
+++ b/LUFA/Drivers/Peripheral/AVRU4U6U7/TWI.h
@@ -45,6 +45,37 @@
* \note This file should not be included directly. It is automatically included as needed by the TWI driver
* dispatch header located in LUFA/Drivers/Peripheral/TWI.h.
*
+ * <b>Example Usage:</b>
+ * \code
+ * // Initialise the TWI driver before first use
+ * TWI_Init();
+ *
+ * // Start a write session to device at address 0xA0 with a 10ms timeout
+ * if (TWI_StartTransmission(0xA0 | TWI_ADDRESS_WRITE, 10))
+ * {
+ * 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 with a 10ms timeout
+ * if (TWI_StartTransmission(0xA0 | TWI_ADDRESS_READ, 10))
+ * {
+ * 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();
+ * }
+ * \endcode
+ *
* @{
*/
@@ -70,6 +101,17 @@
#endif
/* Public Interface - May be used in end-application: */
+ /* Macros: */
+ /** TWI slave device address mask for a read session. Mask with a slave device base address to obtain
+ * the correct TWI bus address for the slave device when reading data from it.
+ */
+ #define TWI_ADDRESS_READ 0x00
+
+ /** TWI slave device address mask for a write session. Mask with a slave device base address to obtain
+ * the correct TWI bus address for the slave device when writing data to it.
+ */
+ #define TWI_ADDRESS_WRITE 0x01
+
/* Inline Functions: */
/** Initialises the TWI hardware into master mode, ready for data transmission and reception. This must be
* before any other TWI operations.
diff --git a/LUFA/Drivers/Peripheral/SPI.h b/LUFA/Drivers/Peripheral/SPI.h
index 4e1fd09ce..ff45bc3ae 100644
--- a/LUFA/Drivers/Peripheral/SPI.h
+++ b/LUFA/Drivers/Peripheral/SPI.h
@@ -45,6 +45,26 @@
* Driver for the hardware SPI port available on most AVR models. This module provides
* an easy to use driver for the setup of and transfer of data over the AVR's SPI port.
*
+ * <b>Example Usage:</b>
+ * \code
+ * // Initialise the SPI driver before first use
+ * SPI_Init(SPI_SPEED_FCPU_DIV_2 | SPI_ORDER_MSB_FIRST | SPI_SCK_LEAD_FALLING |
+ * SPI_SAMPLE_TRAILING | SPI_MODE_MASTER);
+ *
+ * // Send several bytes, ignoring the returned data
+ * SPI_SendByte(0x01);
+ * SPI_SendByte(0x02);
+ * SPI_SendByte(0x03);
+ *
+ * // Receive several bytes, sending a dummy 0x00 byte each time
+ * uint8_t Byte1 = SPI_ReceiveByte();
+ * uint8_t Byte2 = SPI_ReceiveByte();
+ * uint8_t Byte3 = SPI_ReceiveByte();
+ *
+ * // Send a byte, and store the received byte from the same transaction
+ * uint8_t ResponseByte = SPI_TransferByte(0xDC);
+ * \endcode
+ *
* @{
*/
diff --git a/LUFA/Drivers/Peripheral/Serial.h b/LUFA/Drivers/Peripheral/Serial.h
index 2fca02b96..f40201de5 100644
--- a/LUFA/Drivers/Peripheral/Serial.h
+++ b/LUFA/Drivers/Peripheral/Serial.h
@@ -45,6 +45,18 @@
* Hardware serial USART driver. This module provides an easy to use driver for
* the setup of and transfer of data over the AVR's USART port.
*
+ * <b>Example Usage:</b>
+ * \code
+ * // Initialise the serial USART driver before first use, with 9600 baud (and no double-speed mode)
+ * Serial_Init(9600, false);
+ *
+ * // Send a string through the USART
+ * Serial_TxString("Test String\r\n");
+ *
+ * // Receive a byte through the USART
+ * uint8_t DataByte = Serial_RxByte();
+ * \endcode
+ *
* @{
*/
diff --git a/LUFA/Drivers/Peripheral/SerialStream.h b/LUFA/Drivers/Peripheral/SerialStream.h
index 87478ee2f..bef52ac9e 100644
--- a/LUFA/Drivers/Peripheral/SerialStream.h
+++ b/LUFA/Drivers/Peripheral/SerialStream.h
@@ -47,8 +47,24 @@
* \section Module Description
* Serial stream driver for the USART subsystem on supported USB AVRs. This makes use of the functions in the
* regular USART driver (see \ref Group_Serial), but allows the avr-libc standard stream functions (printf,
- * puts, etc.) to work with the
- * USART.
+ * puts, etc.) to work with the USART. Upon configuration, this will redirect the standard input and output
+ * streams to the USART.
+ *
+ * <b>Example Usage:</b>
+ * \code
+ * // Initialise the Serial Stream driver before first use, with 9600 baud (and no double-speed mode)
+ * SerialStream_Init(9600, false);
+ *
+ * // Write a string to the USART via the implicit stdout stream
+ * printf("Test String using stdout\r\n");
+ *
+ * // Write a string to the USART via the explicit USART stream
+ * fprintf(&USARTStream, "Test String using explicit stream handle\r\n");
+ *
+ * // Read in an integer from the USART using the implicit stdin stream
+ * uint16_t TestValue;
+ * scanf("%d", &TestValue);
+ * \endcode
*
* @{
*/
@@ -69,9 +85,6 @@
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
- /* External Variables: */
- extern FILE USARTStream;
-
/* Function Prototypes: */
#if defined(__INCLUDE_FROM_SERIALSTREAM_C)
static int SerialStream_TxByte(char DataByte,
@@ -105,6 +118,13 @@
Serial_ShutDown();
}
+ /* External Variables: */
+ /** Named stream for the USART, once \ref SerialStream_Init() has been called. This may be used with the
+ * file based stream functions (fprintf, fscanf, etc.) that require a handle to the stream rather than
+ * using the stdin and stdout named streams.
+ */
+ extern FILE USARTStream;
+
/* Disable C linkage for C++ Compilers: */
#if defined(__cplusplus)
}
diff --git a/LUFA/Drivers/Peripheral/TWI.h b/LUFA/Drivers/Peripheral/TWI.h
index c85440e44..e8cc834c8 100644
--- a/LUFA/Drivers/Peripheral/TWI.h
+++ b/LUFA/Drivers/Peripheral/TWI.h
@@ -48,6 +48,9 @@
* \section Module Description
* Master Mode Hardware TWI driver. This module provides an easy to use driver for the hardware
* TWI present on many AVR models, for the transmission and reception of data on a TWI bus.
+ *
+ * \note The exact API for this driver may vary depending on the target used - see
+ * individual target module documentation for the API specific to your target processor.
*/
#ifndef __TWI_H__