Contiki 2.6

uart.h

00001 #ifndef UART_H
00002 #define UART_H
00003 
00004 #include "contiki-conf.h"
00005 
00006 #include "cc253x.h"
00007 #include "8051def.h"
00008 
00009 /*---------------------------------------------------------------------------*/
00010 /* UART BAUD Rates */
00011 /*
00012  * Macro to set speed of UART N by setting the UnBAUD SFR to M and the
00013  * UnGCR SRF to E. See the cc2530 datasheet for possible values of M and E
00014  */
00015 #define UART_SET_SPEED(N, M, E) do{ U##N##BAUD = M; U##N##GCR = E; } while(0)
00016 
00017 /*
00018  * Sample Values for M and E in the macro above to achieve some common BAUD
00019  * rates. For more values, see the cc2430 datasheet
00020  */
00021 /* 2000000 - cc2430 theoretical MAX when using the 32MHz clock */
00022 #define UART_2K_M      0
00023 #define UART_2K_E     16
00024 /* 1000000 - cc2430 theoretical MAX when using the 16MHz clock */
00025 #define UART_1K_M      0
00026 #define UART_1K_E     15
00027 /* 921600 */
00028 #define UART_921_M   216
00029 #define UART_921_E    14
00030 /* 460800 Higher values lead to problems when the node needs to RX */
00031 #define UART_460_M   216
00032 #define UART_460_E    13
00033 /* 115200 */
00034 #define UART_115_M   216
00035 #define UART_115_E    11
00036 /* 38400 */
00037 #define UART_38_M     59
00038 #define UART_38_E     10
00039 /* 9600 */
00040 #define UART_9_M      59
00041 #define UART_9_E       8
00042 
00043 #endif /* UART_H */