uart: make initial dump of uart module
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
committed by
Thomas Ingleby
parent
88f3052d99
commit
0a516ef3bf
@@ -222,6 +222,14 @@ typedef enum {
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MRAA_I2C_HIGH = 2 /**< up to 3.4Mhz */
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} mraa_i2c_mode_t;
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typedef enum {
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MRAA_UART_PARITY_NONE = 0,
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MRAA_UART_PARITY_EVEN = 1,
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MRAA_UART_PARITY_ODD = 2,
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MRAA_UART_PARITY_MARK = 3,
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MRAA_UART_PARITY_SPACE = 4
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} mraa_uart_parity_t;
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#ifdef __cplusplus
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}
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#endif
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@@ -1,7 +1,8 @@
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/*
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* Author: Thomas Ingleby <thomas.c.ingleby@intel.com>
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* Contributions: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2014 Intel Corporation.
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* Brendan Le Foll <brendan.le.foll@intel.com>
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* Copyright (c) 2014 - 2015 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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@@ -64,6 +65,18 @@ typedef struct _uart* mraa_uart_context;
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*/
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mraa_uart_context mraa_uart_init(int uart);
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mraa_uart_context mraa_uart_init_raw(int uart);
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mraa_result_t mraa_uart_flush(mraa_uart_context);
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mraa_result_t mraa_uart_set_baudrate(mraa_uart_context dev, unsigned int baud);
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mraa_result_t mraa_uart_set_mode(mraa_uart_context dev, int bytesize, mraa_uart_parity_t parity, int stopbits);
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mraa_result_t mraa_uart_set_flowcontrol(mraa_uart_context dev, mraa_boolean_t xonxoff, mraa_boolean_t rtscts);
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mraa_result_t mraa_uart_set_timeout(mraa_uart_context dev, int read, int write, int interchar);
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/**
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* Get Char pointer with tty device path within Linux
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* For example. Could point to "/dev/ttyS0"
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@@ -86,12 +99,12 @@ char* mraa_uart_get_dev_path(mraa_uart_context dev);
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mraa_result_t mraa_uart_open_dev(mraa_uart_context dev, unsigned int baud);
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/**
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* Close a device previously opened with mraa_uart_open_dev().
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* Destroy a mraa_uart_context
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*
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* @param dev uart context
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* @return mraa_result_t
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*/
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mraa_result_t mraa_uart_close_dev(mraa_uart_context dev);
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mraa_result_t mraa_uart_stop(mraa_uart_context dev);
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/**
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* Read bytes from the device into a buffer
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@@ -101,7 +114,7 @@ mraa_result_t mraa_uart_close_dev(mraa_uart_context dev);
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* @param len maximum size of buffer
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* @return the number of bytes read, or -1 if an error occurred
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*/
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int mraa_uart_read(mraa_uart_context dev, char *buf, size_t len);
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int mraa_uart_read(mraa_uart_context dev, char* buf, size_t len);
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/**
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* Write bytes in buffer to a device
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@@ -111,7 +124,7 @@ int mraa_uart_read(mraa_uart_context dev, char *buf, size_t len);
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* @param len maximum size of buffer
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* @return the number of bytes written, or -1 if an error occurred
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*/
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int mraa_uart_write(mraa_uart_context dev, char *buf, size_t len);
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int mraa_uart_write(mraa_uart_context dev, char* buf, size_t len);
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/**
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* Check to see if data is available on the device for reading
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@@ -120,8 +133,7 @@ int mraa_uart_write(mraa_uart_context dev, char *buf, size_t len);
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* @param millis number of milliseconds to wait, or 0 to return immediately
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* @return 1 if there is data available to read, 0 otherwise
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*/
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mraa_boolean_t
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mraa_uart_data_available(mraa_uart_context dev, unsigned int millis);
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mraa_boolean_t mraa_uart_data_available(mraa_uart_context dev, unsigned int millis);
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#ifdef __cplusplus
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}
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@@ -1,7 +1,7 @@
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/*
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* Author: Brendan Le Foll <brendan.le.foll@intel.com>
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* Contributions: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2014 Intel Corporation.
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* Copyright (c) 2014 - 2015 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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@@ -110,7 +110,7 @@ class Uart
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* @return the number of bytes read, or -1 if an error occurred
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*/
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int
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read(char *buf, size_t len)
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read(char* buf, size_t len)
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{
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return mraa_uart_read(m_uart, buf, len);
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}
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@@ -123,7 +123,7 @@ class Uart
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* @return the number of bytes written, or -1 if an error occurred
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*/
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int
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write(char *buf, size_t len)
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write(char* buf, size_t len)
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{
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return mraa_uart_write(m_uart, buf, len);
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}
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@@ -134,14 +134,14 @@ class Uart
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* @param millis number of milliseconds to wait, or 0 to return immediately
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* @return true if there is data available to read, false otherwise
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*/
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bool
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dataAvailable(unsigned int millis=0)
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{
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if (mraa_uart_data_available(m_uart, millis))
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return true;
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else
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return false;
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}
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bool
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dataAvailable(unsigned int millis = 0)
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{
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if (mraa_uart_data_available(m_uart, millis))
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return true;
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else
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return false;
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}
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private:
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mraa_uart_context m_uart;
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