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hi,all i am using visualdsp 2.0 for tigersharc. when i try the provided code of ee143 (dma sdram in c code),i find out i can write to sdram,but can't get the word back. the word write to "sdram_data" is right. but the back data in "data_rx" is wrong ,some words lost for example i trans 16 words, data_rx 00000000 00000000 00000000 00000000 55555555 66666666 77777777 88888888 99999999 aaaaaaaa bbbbbbbb cccccccc dddddddd eeeeeeee ffffffff f0f0f0f0 the first line should be 11111111 22222222 33333333 44444444 __builtin_sysreg_write(SYSCON,0x003879E7); __builtin_sysreg_write(SDRCON,0x00005B05); hele me ,where is the mistake? best regardS! f .z _________________________________________________________ |
help me tigersharc sdram dma ee143
Started by ●March 14, 2004
