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Subject: [Bluez-users] BlueCore2 speed problem!
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Date: Thu, 15 Sep 2005 21:12:26 +0800 (CST)

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Hi,
I use two BlueCore2-External modules to transfer data through UART interface,but the max speed is only 5KB/s!!!  Howerver,in the data sheet,it says "The maximum UART data rate is 1.5 MBaud"!!   1.5Mb/s / 8=192KB/s,am i  right?
 
so,why my speed is slow? How can I do to improve the speed??
 
hci0:   Type: UART
        BD Address: 4A:49:4E:00:15:2F ACL MTU: 384:4 SCO MTU: 64:8
        UP RUNNING PSCAN ISCAN
        RX bytes:70 acl:0 sco:0 events:7 errors:0
        TX bytes:34 acl:0 sco:0 commands:7 errors:0
        Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00
        Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
        Link policy:
        Link mode: SLAVE ACCEPT
        Name: 'B'
        Class: 0x000000
        Service Classes: Unspecified
        Device Class: Miscellaneous,
        HCI Ver: 1.1 (0x1) HCI Rev: 0x2c1 LMP Ver: 1.1 (0x1) LMP Subver: 0x2c1
        Manufacturer: Cambridge Silicon Radio (10)
 
gadfly
 

		
---------------------------------
DO YOU YAHOO!?
  ?Ż?????G???䣭No.1?ķ?????????????????  
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<DIV>Hi,</DIV>
<DIV>I use two BlueCore2-External modules to transfer data through UART interface,but the max speed is only 5KB/s!!!&nbsp; Howerver,in the data sheet,it says "The maximum UART data rate is 1.5 MBaud"!!&nbsp;&nbsp; 1.5Mb/s / 8=192KB/s,am i &nbsp;right?</DIV>
<DIV>&nbsp;</DIV>
<DIV>so,why my speed is slow? How can I do to improve the speed??</DIV>
<DIV>&nbsp;</DIV>
<DIV>hci0:&nbsp;&nbsp; Type: UART<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; BD Address: 4A:49:4E:00:15:2F ACL MTU: 384:4 SCO MTU: 64:8<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; UP RUNNING PSCAN ISCAN<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; RX bytes:70 acl:0 sco:0 events:7 errors:0<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TX bytes:34 acl:0 sco:0 commands:7 errors:0<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Features: 0xff 0xff 0x0f 0x00 0x00 0x00 0x00 0x00<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Link policy:<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Link mode: SLAVE ACCEPT<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Name: 'B'<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Class: 0x000000<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Service Classes: Unspecified<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Device Class:
 Miscellaneous,<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HCI Ver: 1.1 (0x1) HCI Rev: 0x2c1 LMP Ver: 1.1 (0x1) LMP Subver: 0x2c1<BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Manufacturer: Cambridge Silicon Radio (10)</DIV>
<DIV>&nbsp;</DIV>
<DIV>gadfly</DIV>
<DIV>&nbsp;</DIV><p>
		<hr size=1>DO YOU YAHOO!?<br> 
<a href="http://cn.mail.yahoo.com" target=blank> 
?Ż?????G???䣭No.1?ķ????????????????? </a> 
--0-1743937648-1126789946=:5290--


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