| adamdunkels | 9fcf9d6 | 2003-09-04 19:46:32 +0000 | [diff] [blame] | 1 | /** |
| 2 | * \file |
| 3 | * Header file for MSP430 RS232 driver. |
| 4 | * \author Adam Dunkels <adam@sics.se> |
| 5 | * |
| 6 | */ |
| 7 | #ifndef __RS232_H__ |
| 8 | #define __RS232_H__ |
| 9 | |
| 10 | /* These values were taken from the "rs232.h" include file from cc65, |
| 11 | written by Ullrich von Bassewitz. */ |
| 12 | |
| 13 | #define RS_BAUD_50 0x00 |
| 14 | #define RS_BAUD_110 0x01 |
| 15 | #define RS_BAUD_134_5 0x02 |
| 16 | #define RS_BAUD_300 0x03 |
| 17 | #define RS_BAUD_600 0x04 |
| 18 | #define RS_BAUD_1200 0x05 |
| 19 | #define RS_BAUD_2400 0x06 |
| 20 | #define RS_BAUD_4800 0x07 |
| 21 | #define RS_BAUD_9600 0x08 |
| 22 | #define RS_BAUD_19200 0x09 |
| 23 | #define RS_BAUD_38400 0x0A |
| 24 | #define RS_BAUD_57600 0x0B |
| 25 | #define RS_BAUD_115200 0x0C |
| 26 | #define RS_BAUD_230400 0x0D |
| 27 | |
| 28 | #define RS_BITS_5 0x60 |
| 29 | #define RS_BITS_6 0x40 |
| 30 | #define RS_BITS_7 0x20 |
| 31 | #define RS_BITS_8 0x00 |
| 32 | |
| 33 | #define RS_PAR_NONE 0x00 |
| 34 | #define RS_PAR_ODD 0x20 |
| 35 | #define RS_PAR_EVEN 0x60 |
| 36 | #define RS_PAR_MARK 0xA0 |
| 37 | #define RS_PAR_SPACE 0xE0 |
| 38 | |
| 39 | #define RS_STOP_1 0x00 |
| 40 | #define RS_STOP_2 0x80 |
| 41 | |
| 42 | #define RS_ERR_OK 0x00 /* Not an error - relax */ |
| 43 | #define RS_ERR_NOT_INITIALIZED 0x01 /* Module not initialized */ |
| 44 | #define RS_ERR_BAUD_TOO_FAST 0x02 /* Cannot handle baud rate */ |
| 45 | #define RS_ERR_BAUD_NOT_AVAIL 0x03 /* Baud rate not available */ |
| 46 | #define RS_ERR_NO_DATA 0x04 /* Nothing to read */ |
| 47 | #define RS_ERR_OVERFLOW 0x05 /* No room in send buffer */ |
| 48 | #define RS_ERR_INIT_FAILED 0x06 /* Initialization of RS232 routines f |
| 49 | ailed */ |
| 50 | |
| 51 | unsigned char rs232_init(char none); |
| 52 | unsigned char rs232_params(unsigned char params, unsigned char parity); |
| 53 | unsigned char rs232_get(char *c); |
| 54 | unsigned char rs232_put(char c); |
| 55 | |
| 56 | #endif /* __RS232_H__ */ |