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fixed crlf for project
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‎AVR/lib/RF24/examples/scanner/output/scanner.hex‎

Lines changed: 325 additions & 325 deletions
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‎AVR/lib/RF24/uart.c‎

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‎AVR/lib/RF24/uart.h‎

Lines changed: 194 additions & 194 deletions
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@@ -1,194 +1,194 @@
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#ifndef UART_H
2-
#define UART_H
3-
/************************************************************************
4-
Title: Interrupt UART library with receive/transmit circular buffers
5-
Author: Peter Fleury <[email protected]> http://jump.to/fleury
6-
File: $Id: uart.h,v 1.8.2.1 2007/07/01 11:14:38 peter Exp $
7-
Software: AVR-GCC 4.1, AVR Libc 1.4
8-
Hardware: any AVR with built-in UART, tested on AT90S8515 & ATmega8 at 4 Mhz
9-
License: GNU General Public License
10-
Usage: see Doxygen manual
11-
12-
LICENSE:
13-
Copyright (C) 2006 Peter Fleury
14-
15-
This program is free software; you can redistribute it and/or modify
16-
it under the terms of the GNU General Public License as published by
17-
the Free Software Foundation; either version 2 of the License, or
18-
any later version.
19-
20-
This program is distributed in the hope that it will be useful,
21-
but WITHOUT ANY WARRANTY; without even the implied warranty of
22-
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23-
GNU General Public License for more details.
24-
25-
************************************************************************/
26-
27-
/**
28-
* @defgroup pfleury_uart UART Library
29-
* @code #include <uart.h> @endcode
30-
*
31-
* @brief Interrupt UART library using the built-in UART with transmit and receive circular buffers.
32-
*
33-
* This library can be used to transmit and receive data through the built in UART.
34-
*
35-
* An interrupt is generated when the UART has finished transmitting or
36-
* receiving a byte. The interrupt handling routines use circular buffers
37-
* for buffering received and transmitted data.
38-
*
39-
* The UART_RX_BUFFER_SIZE and UART_TX_BUFFER_SIZE constants define
40-
* the size of the circular buffers in bytes. Note that these constants must be a power of 2.
41-
* You may need to adapt this constants to your target and your application by adding
42-
* CDEFS += -DUART_RX_BUFFER_SIZE=nn -DUART_RX_BUFFER_SIZE=nn to your Makefile.
43-
*
44-
* @note Based on Atmel Application Note AVR306
45-
* @author Peter Fleury [email protected] http://jump.to/fleury
46-
*/
47-
48-
/**@{*/
49-
50-
51-
#if (__GNUC__ * 100 + __GNUC_MINOR__) < 304
52-
#error "This library requires AVR-GCC 3.4 or later, update to newer AVR-GCC compiler !"
53-
#endif
54-
55-
56-
/*
57-
** constants and macros
58-
*/
59-
60-
/** @brief UART Baudrate Expression
61-
* @param xtalcpu system clock in Mhz, e.g. 4000000L for 4Mhz
62-
* @param baudrate baudrate in bps, e.g. 1200, 2400, 9600
63-
*/
64-
#define UART_BAUD_SELECT(baudRate,xtalCpu) ((xtalCpu)/((baudRate)*16l)-1)
65-
66-
/** @brief UART Baudrate Expression for ATmega double speed mode
67-
* @param xtalcpu system clock in Mhz, e.g. 4000000L for 4Mhz
68-
* @param baudrate baudrate in bps, e.g. 1200, 2400, 9600
69-
*/
70-
#define UART_BAUD_SELECT_DOUBLE_SPEED(baudRate,xtalCpu) (((xtalCpu)/((baudRate)*8l)-1)|0x8000)
71-
72-
73-
/** Size of the circular receive buffer, must be power of 2 */
74-
#ifndef UART_RX_BUFFER_SIZE
75-
#define UART_RX_BUFFER_SIZE 32
76-
#endif
77-
/** Size of the circular transmit buffer, must be power of 2 */
78-
#ifndef UART_TX_BUFFER_SIZE
79-
#define UART_TX_BUFFER_SIZE 32
80-
#endif
81-
82-
/* test if the size of the circular buffers fits into SRAM */
83-
#if ( (UART_RX_BUFFER_SIZE+UART_TX_BUFFER_SIZE) >= (RAMEND-0x60 ) )
84-
#error "size of UART_RX_BUFFER_SIZE + UART_TX_BUFFER_SIZE larger than size of SRAM"
85-
#endif
86-
87-
/*
88-
** high byte error return code of uart_getc()
89-
*/
90-
#define UART_FRAME_ERROR 0x0800 /* Framing Error by UART */
91-
#define UART_OVERRUN_ERROR 0x0400 /* Overrun condition by UART */
92-
#define UART_BUFFER_OVERFLOW 0x0200 /* receive ringbuffer overflow */
93-
#define UART_NO_DATA 0x0100 /* no receive data available */
94-
95-
96-
/*
97-
** function prototypes
98-
*/
99-
100-
/**
101-
@brief Initialize UART and set baudrate
102-
@param baudrate Specify baudrate using macro UART_BAUD_SELECT()
103-
@return none
104-
*/
105-
extern void uart_init(unsigned int baudrate);
106-
107-
108-
/**
109-
* @brief Get received byte from ringbuffer
110-
*
111-
* Returns in the lower byte the received character and in the
112-
* higher byte the last receive error.
113-
* UART_NO_DATA is returned when no data is available.
114-
*
115-
* @param void
116-
* @return lower byte: received byte from ringbuffer
117-
* @return higher byte: last receive status
118-
* - \b 0 successfully received data from UART
119-
* - \b UART_NO_DATA
120-
* <br>no receive data available
121-
* - \b UART_BUFFER_OVERFLOW
122-
* <br>Receive ringbuffer overflow.
123-
* We are not reading the receive buffer fast enough,
124-
* one or more received character have been dropped
125-
* - \b UART_OVERRUN_ERROR
126-
* <br>Overrun condition by UART.
127-
* A character already present in the UART UDR register was
128-
* not read by the interrupt handler before the next character arrived,
129-
* one or more received characters have been dropped.
130-
* - \b UART_FRAME_ERROR
131-
* <br>Framing Error by UART
132-
*/
133-
extern unsigned int uart_getc(void);
134-
135-
136-
/**
137-
* @brief Put byte to ringbuffer for transmitting via UART
138-
* @param data byte to be transmitted
139-
* @return none
140-
*/
141-
extern void uart_putc(unsigned char data);
142-
143-
144-
/**
145-
* @brief Put string to ringbuffer for transmitting via UART
146-
*
147-
* The string is buffered by the uart library in a circular buffer
148-
* and one character at a time is transmitted to the UART using interrupts.
149-
* Blocks if it can not write the whole string into the circular buffer.
150-
*
151-
* @param s string to be transmitted
152-
* @return none
153-
*/
154-
extern void uart_puts(const char *s );
155-
156-
157-
/**
158-
* @brief Put string from program memory to ringbuffer for transmitting via UART.
159-
*
160-
* The string is buffered by the uart library in a circular buffer
161-
* and one character at a time is transmitted to the UART using interrupts.
162-
* Blocks if it can not write the whole string into the circular buffer.
163-
*
164-
* @param s program memory string to be transmitted
165-
* @return none
166-
* @see uart_puts_P
167-
*/
168-
extern void uart_puts_p(const char *s );
169-
170-
/**
171-
* @brief Macro to automatically put a string constant into program memory
172-
*/
173-
#define uart_puts_P(__s) uart_puts_p(PSTR(__s))
174-
175-
176-
177-
/** @brief Initialize USART1 (only available on selected ATmegas) @see uart_init */
178-
extern void uart1_init(unsigned int baudrate);
179-
/** @brief Get received byte of USART1 from ringbuffer. (only available on selected ATmega) @see uart_getc */
180-
extern unsigned int uart1_getc(void);
181-
/** @brief Put byte to ringbuffer for transmitting via USART1 (only available on selected ATmega) @see uart_putc */
182-
extern void uart1_putc(unsigned char data);
183-
/** @brief Put string to ringbuffer for transmitting via USART1 (only available on selected ATmega) @see uart_puts */
184-
extern void uart1_puts(const char *s );
185-
/** @brief Put string from program memory to ringbuffer for transmitting via USART1 (only available on selected ATmega) @see uart_puts_p */
186-
extern void uart1_puts_p(const char *s );
187-
/** @brief Macro to automatically put a string constant into program memory */
188-
#define uart1_puts_P(__s) uart1_puts_p(PSTR(__s))
189-
190-
/**@}*/
191-
192-
#include "uart.c"
193-
#endif // UART_H
194-
1+
#ifndef UART_H
2+
#define UART_H
3+
/************************************************************************
4+
Title: Interrupt UART library with receive/transmit circular buffers
5+
Author: Peter Fleury <[email protected]> http://jump.to/fleury
6+
File: $Id: uart.h,v 1.8.2.1 2007/07/01 11:14:38 peter Exp $
7+
Software: AVR-GCC 4.1, AVR Libc 1.4
8+
Hardware: any AVR with built-in UART, tested on AT90S8515 & ATmega8 at 4 Mhz
9+
License: GNU General Public License
10+
Usage: see Doxygen manual
11+
12+
LICENSE:
13+
Copyright (C) 2006 Peter Fleury
14+
15+
This program is free software; you can redistribute it and/or modify
16+
it under the terms of the GNU General Public License as published by
17+
the Free Software Foundation; either version 2 of the License, or
18+
any later version.
19+
20+
This program is distributed in the hope that it will be useful,
21+
but WITHOUT ANY WARRANTY; without even the implied warranty of
22+
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
23+
GNU General Public License for more details.
24+
25+
************************************************************************/
26+
27+
/**
28+
* @defgroup pfleury_uart UART Library
29+
* @code #include <uart.h> @endcode
30+
*
31+
* @brief Interrupt UART library using the built-in UART with transmit and receive circular buffers.
32+
*
33+
* This library can be used to transmit and receive data through the built in UART.
34+
*
35+
* An interrupt is generated when the UART has finished transmitting or
36+
* receiving a byte. The interrupt handling routines use circular buffers
37+
* for buffering received and transmitted data.
38+
*
39+
* The UART_RX_BUFFER_SIZE and UART_TX_BUFFER_SIZE constants define
40+
* the size of the circular buffers in bytes. Note that these constants must be a power of 2.
41+
* You may need to adapt this constants to your target and your application by adding
42+
* CDEFS += -DUART_RX_BUFFER_SIZE=nn -DUART_RX_BUFFER_SIZE=nn to your Makefile.
43+
*
44+
* @note Based on Atmel Application Note AVR306
45+
* @author Peter Fleury [email protected] http://jump.to/fleury
46+
*/
47+
48+
/**@{*/
49+
50+
51+
#if (__GNUC__ * 100 + __GNUC_MINOR__) < 304
52+
#error "This library requires AVR-GCC 3.4 or later, update to newer AVR-GCC compiler !"
53+
#endif
54+
55+
56+
/*
57+
** constants and macros
58+
*/
59+
60+
/** @brief UART Baudrate Expression
61+
* @param xtalcpu system clock in Mhz, e.g. 4000000L for 4Mhz
62+
* @param baudrate baudrate in bps, e.g. 1200, 2400, 9600
63+
*/
64+
#define UART_BAUD_SELECT(baudRate,xtalCpu) ((xtalCpu)/((baudRate)*16l)-1)
65+
66+
/** @brief UART Baudrate Expression for ATmega double speed mode
67+
* @param xtalcpu system clock in Mhz, e.g. 4000000L for 4Mhz
68+
* @param baudrate baudrate in bps, e.g. 1200, 2400, 9600
69+
*/
70+
#define UART_BAUD_SELECT_DOUBLE_SPEED(baudRate,xtalCpu) (((xtalCpu)/((baudRate)*8l)-1)|0x8000)
71+
72+
73+
/** Size of the circular receive buffer, must be power of 2 */
74+
#ifndef UART_RX_BUFFER_SIZE
75+
#define UART_RX_BUFFER_SIZE 32
76+
#endif
77+
/** Size of the circular transmit buffer, must be power of 2 */
78+
#ifndef UART_TX_BUFFER_SIZE
79+
#define UART_TX_BUFFER_SIZE 32
80+
#endif
81+
82+
/* test if the size of the circular buffers fits into SRAM */
83+
#if ( (UART_RX_BUFFER_SIZE+UART_TX_BUFFER_SIZE) >= (RAMEND-0x60 ) )
84+
#error "size of UART_RX_BUFFER_SIZE + UART_TX_BUFFER_SIZE larger than size of SRAM"
85+
#endif
86+
87+
/*
88+
** high byte error return code of uart_getc()
89+
*/
90+
#define UART_FRAME_ERROR 0x0800 /* Framing Error by UART */
91+
#define UART_OVERRUN_ERROR 0x0400 /* Overrun condition by UART */
92+
#define UART_BUFFER_OVERFLOW 0x0200 /* receive ringbuffer overflow */
93+
#define UART_NO_DATA 0x0100 /* no receive data available */
94+
95+
96+
/*
97+
** function prototypes
98+
*/
99+
100+
/**
101+
@brief Initialize UART and set baudrate
102+
@param baudrate Specify baudrate using macro UART_BAUD_SELECT()
103+
@return none
104+
*/
105+
extern void uart_init(unsigned int baudrate);
106+
107+
108+
/**
109+
* @brief Get received byte from ringbuffer
110+
*
111+
* Returns in the lower byte the received character and in the
112+
* higher byte the last receive error.
113+
* UART_NO_DATA is returned when no data is available.
114+
*
115+
* @param void
116+
* @return lower byte: received byte from ringbuffer
117+
* @return higher byte: last receive status
118+
* - \b 0 successfully received data from UART
119+
* - \b UART_NO_DATA
120+
* <br>no receive data available
121+
* - \b UART_BUFFER_OVERFLOW
122+
* <br>Receive ringbuffer overflow.
123+
* We are not reading the receive buffer fast enough,
124+
* one or more received character have been dropped
125+
* - \b UART_OVERRUN_ERROR
126+
* <br>Overrun condition by UART.
127+
* A character already present in the UART UDR register was
128+
* not read by the interrupt handler before the next character arrived,
129+
* one or more received characters have been dropped.
130+
* - \b UART_FRAME_ERROR
131+
* <br>Framing Error by UART
132+
*/
133+
extern unsigned int uart_getc(void);
134+
135+
136+
/**
137+
* @brief Put byte to ringbuffer for transmitting via UART
138+
* @param data byte to be transmitted
139+
* @return none
140+
*/
141+
extern void uart_putc(unsigned char data);
142+
143+
144+
/**
145+
* @brief Put string to ringbuffer for transmitting via UART
146+
*
147+
* The string is buffered by the uart library in a circular buffer
148+
* and one character at a time is transmitted to the UART using interrupts.
149+
* Blocks if it can not write the whole string into the circular buffer.
150+
*
151+
* @param s string to be transmitted
152+
* @return none
153+
*/
154+
extern void uart_puts(const char *s );
155+
156+
157+
/**
158+
* @brief Put string from program memory to ringbuffer for transmitting via UART.
159+
*
160+
* The string is buffered by the uart library in a circular buffer
161+
* and one character at a time is transmitted to the UART using interrupts.
162+
* Blocks if it can not write the whole string into the circular buffer.
163+
*
164+
* @param s program memory string to be transmitted
165+
* @return none
166+
* @see uart_puts_P
167+
*/
168+
extern void uart_puts_p(const char *s );
169+
170+
/**
171+
* @brief Macro to automatically put a string constant into program memory
172+
*/
173+
#define uart_puts_P(__s) uart_puts_p(PSTR(__s))
174+
175+
176+
177+
/** @brief Initialize USART1 (only available on selected ATmegas) @see uart_init */
178+
extern void uart1_init(unsigned int baudrate);
179+
/** @brief Get received byte of USART1 from ringbuffer. (only available on selected ATmega) @see uart_getc */
180+
extern unsigned int uart1_getc(void);
181+
/** @brief Put byte to ringbuffer for transmitting via USART1 (only available on selected ATmega) @see uart_putc */
182+
extern void uart1_putc(unsigned char data);
183+
/** @brief Put string to ringbuffer for transmitting via USART1 (only available on selected ATmega) @see uart_puts */
184+
extern void uart1_puts(const char *s );
185+
/** @brief Put string from program memory to ringbuffer for transmitting via USART1 (only available on selected ATmega) @see uart_puts_p */
186+
extern void uart1_puts_p(const char *s );
187+
/** @brief Macro to automatically put a string constant into program memory */
188+
#define uart1_puts_P(__s) uart1_puts_p(PSTR(__s))
189+
190+
/**@}*/
191+
192+
#include "uart.c"
193+
#endif // UART_H
194+

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