has multiple drivers due to the non-tri-state driver 怎么回事????
//ģ���ģ��洢���л�����ģ��module wr_rd(vsync,addr_arm,data_arm,ctr_arm,addr_l,data_l,ctr_l,
addr_r,data_r,ctr_r,data,l_r,addr_colum,addr_row,addr_bit,
oe,le);
input addr_arm;
input data_arm;
input addr_colum;
input addr_row;
input ctr_arm;
input l_r,vsync;
input addr_bit;
output addr_l,addr_r;
output ctr_l,ctr_r;
output oe,le;
inout data_l,data_r;
output data;
assign data_r =l_r?data_arm:16'bzzzzzzzzzzzzzzzz; //when l_r write ram r,read ram_l
assign addr_r =l_r?addr_arm:{1'b0,addr_bit,addr_row,addr_colum};
assign ctr_r =l_r?ctr_arm:5'b01000;
assign data_l =l_r?16'bzzzzzzzzzzzzzzzz:data_arm; //when !l_r read ram r,write ram_l
assign addr_l =l_r?{1'b0,addr_bit,addr_row,addr_colum}:addr_arm;
assign ctr_l =l_r?5'b01000:ctr_arm;
assign data =l_r?data_l:data_r;
assign oe =vsync?1'b0:1'b1; //rst��373��374 effect
assign le =vsync?1'b1:1'b0; //rst��373��374 effect
endmodule
编译之后,出现错误:
Error (13076): The node "wr_rd:wr_rd1|data" has multiple drivers due to the non-tri-state driver "data_r"
Error (13076): The node "wr_rd:wr_rd1|data" has multiple drivers due to the non-tri-state driver "data_l"
Error (13076): The node "wr_rd:wr_rd1|data" has multiple drivers due to the non-tri-state driver "data_r"
Error (13076): The node "wr_rd:wr_rd1|data" has multiple drivers due to the non-tri-state driver "data_l"
Error (13076): The node "wr_rd:wr_rd1|data" has multiple drivers due to the non-tri-state driver "data_r"
Error (13076): The node "wr_rd:wr_rd1|data" has multiple drivers due to the non-tri-state driver "data_l"
这是怎么回事,我是直接用的别人的例程,应该不会有问题的,怎么会这样??
小弟初学FPGA,希望各位大牛帮忙看看,谢谢 我表示你的综合器不够牛逼,用synplify2012.3没问题 rx_78gp02a 发表于 2012-10-15 23:00 static/image/common/back.gif
我表示你的综合器不够牛逼,用synplify2012.3没问题
我我现在用的是quartus II12,刚入门,不想换综合器,有没有补救的办法?谢谢 对于这种多输出驱动单输入的情况,综合器都处理成多路复用器形式(fpga内部很少带真三态功能),会不会是你的综合器设置有问题,或者是BUG??QUARTUS应该没那么弱,如果是XILINX还说的过去。 刚刚用quartus 12试过了,没问题! rx_78gp02a 发表于 2012-10-15 23:32 static/image/common/back.gif
刚刚用quartus 12试过了,没问题!
不是吧,我用的是刚从官方网站下载的quartus 12呀,但是我没有安装,SP2,也没安装SP1,难道与这个有关系? rx_78gp02a 发表于 2012-10-15 23:32 static/image/common/back.gif
刚刚用quartus 12试过了,没问题!
还有,我的编译设置是默认的设置,没有更改,也不会更改,{:sweat:} 我用的版本是Altera 12.0 Build 178,如果这个也能错,altera真的可以不要混了 rx_78gp02a 发表于 2012-10-15 23:42 static/image/common/back.gif
我用的版本是Altera 12.0 Build 178,如果这个也能错,altera真的可以不要混了
quartus II 32-bit version 12.0build17805/31/2012 SJ Full Version
a我用的是这个版本,
估计是我的设置哪人地方没有设置正确吧 jjj 发表于 2012-10-15 23:46 static/image/common/back.gif
quartus II 32-bit version 12.0build17805/31/2012 SJ Full Version
a我用的是这个版本,
估计是 ...
你用的什么系列的芯片?? rx_78gp02a 发表于 2012-10-15 23:49 static/image/common/back.gif
你用的什么系列的芯片??
cyclone II ep2c5q208 jjj 发表于 2012-10-15 23:53 static/image/common/back.gif
cyclone II ep2c5q208
我的咋就没有问题捏?? rx_78gp02a 发表于 2012-10-15 23:57 static/image/common/back.gif
我的咋就没有问题捏??
综合器设置需要修改吧?
我全部是用手默认的设置 jjj 发表于 2012-10-15 23:59 static/image/common/back.gif
综合器设置需要修改吧?
我全部是用手默认的设置
我也是默认设置 rx_78gp02a 发表于 2012-10-15 23:57 static/image/common/back.gif
我的咋就没有问题捏??
qq多谢你这么晚还帮我解决问题,
终于搞定了,原来是另一个文件中定义的data_l,data_r不一致,定义成output了,唉,看来网上的例程参差不齐呀!!!! rx_78gp02a 发表于 2012-10-16 00:00 static/image/common/back.gif
我也是默认设置
睡觉了,多谢你的帮忙!!!!!!!!{:sleepy:} lz这是什么液晶的驱动啊?
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