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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 149 | jimmy | 1 | /** |
| 2 | * Serial communication software module. |
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| 3 | * |
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| 4 | * @author Jimmy Myhrman |
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| 5 | * |
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| 6 | * @date 2006-11-22 |
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| 7 | */ |
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| 8 | |||
| 9 | /*----------------------------------------------------------------------------- |
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| 10 | * Includes |
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| 11 | *---------------------------------------------------------------------------*/ |
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| 12 | #include <serial.h> |
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| 13 | #include <uart.h> |
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| 14 | #include <stdlib.h> |
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| 15 | #include <stdio.h> |
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| 16 | |||
| 17 | |||
| 18 | /*----------------------------------------------------------------------------- |
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| 19 | * Prerequisites |
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| 20 | *---------------------------------------------------------------------------*/ |
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| 21 | #ifndef SERIAL_BAUDRATE |
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| 22 | #error SERIAL_BAUDRATE not specified! Edit serial_cfg.h ! |
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| 23 | #endif |
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| 24 | |||
| 25 | #ifndef SERIAL_RX_BUFFER_SIZE |
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| 26 | #error SERIAL_RX_BUFFER_SIZE not specified! Edit serial_cfg.h ! |
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| 27 | #endif |
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| 28 | |||
| 29 | #ifndef SERIAL_TX_BUFFER_SIZE |
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| 30 | #error SERIAL_TX_BUFFER_SIZE not specified! Edit serial_cfg.h ! |
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| 31 | #endif |
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| 32 | |||
| 33 | |||
| 34 | /*----------------------------------------------------------------------------- |
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| 35 | * Private Function Prototypes |
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| 36 | *---------------------------------------------------------------------------*/ |
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| 37 | static int serial_putchar(char c, FILE *stream); |
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| 38 | |||
| 39 | |||
| 40 | /*----------------------------------------------------------------------------- |
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| 41 | * Variables |
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| 42 | *---------------------------------------------------------------------------*/ |
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| 43 | static FILE myStdOut = FDEV_SETUP_STREAM(serial_putchar, NULL,_FDEV_SETUP_WRITE); |
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| 44 | |||
| 45 | |||
| 46 | /*----------------------------------------------------------------------------- |
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| 47 | * Public Functions |
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| 48 | *---------------------------------------------------------------------------*/ |
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| 49 | |||
| 50 | /** |
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| 51 | * Initializes the serial communication. Sets the baudrate and redirects |
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| 52 | * STDOUT to the serial communication channel. |
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| 53 | */ |
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| 54 | void Serial_Init() { |
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| 376 | noddan | 55 | uart_init((UART_BAUD_SELECT((SERIAL_BAUDRATE),F_CPU))); |
| 149 | jimmy | 56 | |
| 57 | stdout = &myStdOut; |
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| 58 | } |
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| 59 | |||
| 60 | |||
| 61 | /*----------------------------------------------------------------------------- |
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| 62 | * Private Functions |
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| 63 | *---------------------------------------------------------------------------*/ |
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| 64 | |||
| 65 | static int serial_putchar(char c, FILE *stream) { |
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| 66 | if (c == '\n') serial_putchar('\r', stream); |
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| 67 | uart_putc(c); |
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| 68 | return 0; |
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| 69 | } |