2009-09-08 20:07:35 +00:00
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#ifndef UART_H
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#define UART_H
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#include "contiki-conf.h"
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#include "cc2430_sfr.h"
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2012-03-05 16:28:06 +00:00
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#include "8051def.h"
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/*---------------------------------------------------------------------------*/
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/* UART BAUD Rates */
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/*
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* Macro to set speed of UART N by setting the UnBAUD SFR to M and the
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* UnGCR SRF to E. See the cc2430 datasheet for possible values of M and E
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*/
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#define UART_SET_SPEED(N, M, E) do{ U##N##BAUD = M; U##N##GCR = E; } while(0)
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/*
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* Sample Values for M and E in the macro above to achieve some common BAUD
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* rates. For more values, see the cc2430 datasheet
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*/
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/* 2000000 - cc2430 theoretical MAX when using the 32MHz clock */
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#define UART_2K_M 0
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#define UART_2K_E 16
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/* 1000000 - cc2430 theoretical MAX when using the 16MHz clock */
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#define UART_1K_M 0
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#define UART_1K_E 15
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/* 921600 */
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#define UART_921_M 216
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#define UART_921_E 14
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/* 460800 Higher values lead to problems when the node needs to RX */
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#define UART_460_M 216
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#define UART_460_E 13
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/* 115200 */
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#define UART_115_M 216
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#define UART_115_E 11
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/* 38400 */
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#define UART_38_M 59
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#define UART_38_E 10
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/* 9600 */
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#define UART_9_M 59
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#define UART_9_E 8
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#endif /* UART_H */
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