?? syv.v
字號(hào):
else if (st_wr == 24)
`b
st_wr <= 25;
`e
else if (st_wr == 25)
`b
st_wr <= 26;
`e
else if (st_wr == 26)
`b
st_wr <= 27;
`e
else if (st_wr == 27)
`b
st_wr <= 28;
`e
else if (st_wr == 28)
`b
st_wr <= 29;
`e
else if (st_wr == 29)
`b
st_wr <= 30 ;
`e
else if (st_wr == 30)
`b
if (count_era<30000)
st_wr <= 22 ; //等待21s 每一狀態(tài)0.1ms
else
st_wr <= 31 ;
`e
//------------------- 開(kāi)始寫(xiě)M25P80 ------------
else if (st_wr == 31)
`b
s_m25 <= 0; //片選信號(hào)拉低
led_chip1 <= 0; //led_chip1====s_m25
st_wr<= 32;
`e
else if (st_wr == 32)
`b
datam25_in <= 1; //輸入寫(xiě)允許位置1指令
st_wr <= 33;
`e
else if (st_wr == 33)
`b
s_m25 <= 1; //片選信號(hào)拉高
led_chip1 <= 1; //led_chip1====s_m25
st_wr <= 34;
`e
else if (st_wr == 34)
st_wr <= 35;
else if (st_wr == 35)
st_wr <= 36;
else if (st_wr == 36)
st_wr <= 37;
else if (st_wr == 37)
st_wr <= 38;
else if (st_wr == 38)
st_wr <= 39;
else if (st_wr == 39)
`b
s_m25 <= 0; //片選信號(hào)拉低
led_chip1 <= 0; //led_chip1====s_m25
st_wr <= 40;
`e
else if (st_wr == 40) //開(kāi)始發(fā)送頁(yè)編程指令02H
`b
datam25_in <= 0; // 0
st_wr <= 41;
`e
else if (st_wr == 41)
`b
datam25_in <= 0; // 0
st_wr <= 42;
`e
else if (st_wr == 42)
`b
datam25_in <= 0; // 0
st_wr <= 43;
`e
else if (st_wr == 43)
`b
datam25_in <= 0; // 0
st_wr <= 44;
`e
else if (st_wr == 44)
`b
datam25_in <= 0;
st_wr <= 45; // 0
`e
else if (st_wr == 45)
`b
datam25_in <= 0; // 0
st_wr <= 46;
`e
else if (st_wr == 46)
`b
datam25_in <= 1; // 2
st_wr <= 47 ;
i<=0 ;
// j<=0 ;
k<=0 ;
`e
else if (st_wr == 47)
`b
datam25_in <= 0; // 0
st_wr <= 48;
`e
else if (st_wr == 48) // 輸入3字節(jié)地址 ;
`b
if(i<24)
`b
datam25_in<= w_addr24[i];
i<=i+1 ;
st_wr <=48 ;
`e
else
st_wr <=49 ;
`e
else if (st_wr == 49) // 輸入一字節(jié)數(shù)據(jù)
`b
if (j<8)
`b
datam25_in<= da_tp1[j];
j=j+1 ;
st_wr <=49 ;
`e
else
st_wr <=50 ;
`e
else if (st_wr == 50) // 輸入一頁(yè)數(shù)據(jù)256BYTE
if (k<256)
`b
// da_tp1<=da_tp1+1 ;
k<=k+1 ;
st_wr <=49 ;
`e
else
st_wr <=51 ;
else if (st_wr == 51)
`b
s_m25 <= 1; //片選信號(hào)拉高
led_chip1 <= 1; //led_chip1====s_m25
st_wr <= 52;
`e
else if (st_wr == 52)
if (count_pp<60) //延時(shí)6ms 每一狀態(tài)0.1ms
`b
count_pp<=count_pp+1 ;
st_wr <= 52;
`e
else
st_wr <= 53;
//--------------開(kāi)始讀M25P80 -----------------------
else if (st_wr == 53)
`b
st_wr <= 54;
led_rd4<= 0;
s_m25 <= 0;
led_chip1 <= 0;
`e
else if (st_wr == 54)
`b
datam25_in <= 0; // 開(kāi)始輸入讀數(shù)據(jù)指令03H
// ce
st_wr <= 55;
`e
else if (st_wr == 55)
`b
datam25_in <= 0;
st_wr <= 56;
`e
else if (st_wr == 56)
`b
datam25_in <= 0;
st_wr <= 57;
`e
else if (st_wr == 57)
`b
datam25_in <= 0;
st_wr <= 58;
`e
else if (st_wr == 58)
`b
datam25_in <= 0;
st_wr <= 59;
`e
else if (st_wr == 59)
`b
datam25_in <= 0;
st_wr <= 60;
`e
else if (st_wr == 60)
`b
datam25_in <= 1;
st_wr <= 61;
`e
else if (st_wr == 61)
`b
datam25_in <= 1; // 輸入讀數(shù)據(jù)指令03H結(jié)束
st_wr <= 62;
i<=0 ;
f<=0 ;
k<=0 ;
ce<=1 ;
`e
else if (st_wr == 62)
`b // 輸入3字節(jié)地址
if(i<24)
datam25_in<= w_addr24[i];
i<=i+1 ;
st_wr <=62 ;
`e
else
st_wr <=63 ;
`e
else if (st_wr == 63)
`b
wr_mem <=0 ; ////sdram
if (f<8)
`b
da_tp3[f]<=datam25_fpga;
f<=f+1 ;
st_wr <=63 ;
`e
else
`b
st_wr <= 64;
wr_mem <=1 ;
memaddr <=memaddr+1;
`e `e
else if (st_wr == 64)
`b
if (k<256)
`b
k<=k+1 ;
st_wr <=63 ;
`e
else
st_wr <=65 ;
`e
else if (st_wr == 65)
`b
ce <= 0;
s_m25 <= 1; //片選信號(hào)拉高
led_chip1 <= 1;
memaddr<= 0;
if (count_rd<60) //延時(shí)6ms 每一狀態(tài)0.1ms
`b
count_rd<=count_rd+1 ;
st_wr <= 65;
`e
else
st_wr <= 66;
`e
else if (st_wr == 66)
`b
rd_mem<=0;
st_wr <= 67;
`e
else if (st_wr == 67)
`b
da_tp4 <= data_mem;
st_wr <= 68;
`e
else if (st_wr == 68)
`b
rd_mem<=1;
st_wr <= 69;
`e
else if (st_wr == 69)
`b
memaddr <=memaddr+1;
st_wr <= 70;
`e
else if (st_wr == 70)
`b
if (!usbtxein)
`b
wr_usb <= 1;
st_wr <= 71;
`e
else
st_wr <= 70;
`e
else if (st_wr == 71)
`b
data_ft <=da_tp4;
st_wr <= 72;
`e
else if (st_wr == 72)
`b
wr_usb <= 0;
st_wr <= 73;
`e
else if (st_wr == 73)
`b
if (memaddr<256)
`b
st_wr <= 66;
`e
else
st_wr <= 74;
`e
else if (st_wr == 74)
`b
st_wr <= 0;
`e
`e
`e
endmodule
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